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Default Double Glazing trickle vents - try-on?

Hi,

My house is in the process of having new upvc double-glazing fitted.
On inspection, I noticed that the trickle vents I had paid extra for,
and were agreed at the point of specifying the windows, had not been
fitted.

When ordering the windows I was told by Bloke A at the window firm
that if my existing windows had trickle vents fitted, then my new
windows must also have the vents fitted according to building regs.

I immediately phoned the DG company and spoke to Bloke B. After
talking to Bloke A, he admitted that yes, I had ordered the trickle
vents and no, they hadn't been fitted. Bloke B then told me that I am
better off without trickle vents, as they compromise the integrity of
the window, are draughty, and encourage dirt, insects etc into the
house. He said quite often customers complain if trickle vents have
been fitted and he has to seal them up afterwards!

Therefore his advice is to leave the vents unfitted and he will knock
£54 off the final bill.

So, what do you reckon? Am I better off with or without the trickle
vents? Regardless of the group's general opinion, I am quite annoyed
that I would have paid £54 extra for the vents when they weren't even
fitted. Bloke B even said it was good news as I'd have an extra £54 to
spend at Christmas!

Luke
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Default Double Glazing trickle vents - try-on?

Whilst some people don't like trickle vents, they are a building regs
requirement.

I would phone the company again and mention that you've spoken to the
building inspector.
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Default Double Glazing trickle vents - try-on?


wibbled on Saturday 05 December 2009 09:02

Whilst some people don't like trickle vents, they are a building regs
requirement.


Well, to be precise, this is an excerpt from Part F

"3.4 To comply with Requirement F1, unless
the room is ventilated adequately by other
installed ventilation provisions, all replacement
windows should include trickle ventilators,
preferably with accessible controls as described
in Table 1.5.
3.5 Alternatively, an equivalent background
ventilation opening should be provided in the
same room. A window with a night latch position
is not normally recommended as an alternative
because of the difficulty of measuring the
equivalent area, the greater likelihood of
draughts, and the potential increased security
risk in some locations. Nevertheless a window
with a night latch may be appropriate in
exceptional situations where a trickle ventilator is
an unsuitable solution. For example, where
security considerations allow, for types of
window that cannot reasonably accommodate
trickle ventilators (e.g. some types of vertical
sliding sash or very small windows)."

Although, having read that, I feel tempted to amend my order to avoid
arguments...

But it seems that the main requirement is "adequate ventilation for the
room, *ideally provided by trickle vents*"

I would phone the company again and mention that you've spoken to the
building inspector.


--
Tim Watts

This space intentionally left blank...

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Default Double Glazing trickle vents - try-on?

wrote:
Whilst some people don't like trickle vents, they are a building regs
requirement.


NO THEY ARE NOT.

They are simply ONE WAY to meet the requirements for secure background
ventilation.


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Default Double Glazing trickle vents - try-on?

On Sat, 5 Dec 2009 01:02:05 -0800 (PST), "
wrote:

Whilst some people don't like trickle vents, they are a building regs
requirement.


Is it....I'm in Scotland so it might be different ...I'm awaiting DG
units fitting in my LR and one BR ..arranged through the Window Advice
Centre and these units do not have vents fitted ...(although the one
window I had fitted in my bathroom over a year ago does have a vent
fitted but maybe that's because of the location)... anyway with it
being a Victorian Tenement ventilation won't be a problem.
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Default Double Glazing trickle vents - try-on?

On Sat, 5 Dec 2009 00:28:15 -0800 (PST), Luke wrote:

Hi,

My house is in the process of having new upvc double-glazing fitted.
On inspection, I noticed that the trickle vents I had paid extra for,
and were agreed at the point of specifying the windows, had not been
fitted.

When ordering the windows I was told by Bloke A at the window firm
that if my existing windows had trickle vents fitted, then my new
windows must also have the vents fitted according to building regs.

I immediately phoned the DG company and spoke to Bloke B. After
talking to Bloke A, he admitted that yes, I had ordered the trickle
vents and no, they hadn't been fitted. Bloke B then told me that I am
better off without trickle vents, as they compromise the integrity of
the window, are draughty, and encourage dirt, insects etc into the
house. He said quite often customers complain if trickle vents have
been fitted and he has to seal them up afterwards!

Therefore his advice is to leave the vents unfitted and he will knock
£54 off the final bill.

So, what do you reckon? Am I better off with or without the trickle
vents? Regardless of the group's general opinion, I am quite annoyed
that I would have paid £54 extra for the vents when they weren't even
fitted. Bloke B even said it was good news as I'd have an extra £54 to
spend at Christmas!

Luke


As others have said, they are required by BR. However, Mr.B offered you a
fraction of the cost of correcting the mistake - that's why he was so
disparaging of the vents. He'd have to correct the installation and be left
with useless parts, so there's room for negotiation.
--
Peter.
The head of a pin will hold more angels if
it's been flattened with an angel-grinder.
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Default Double Glazing trickle vents - try-on?

In article ,
PeterC writes:

As others have said, they are required by BR. However, Mr.B offered you a
fraction of the cost of correcting the mistake - that's why he was so
disparaging of the vents. He'd have to correct the installation and be left
with useless parts, so there's room for negotiation.


When I had mine done (admittedly nearly 8 years ago), they were
only a requirement if the window had no opener, or if the opening
section could not be locked securely in a fractionally open position.
Otherwise the window met ventilation requirements without having
trickle vents added.

--
Andrew Gabriel
[email address is not usable -- followup in the newsgroup]
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Default Double Glazing trickle vents - try-on?

On Sat, 5 Dec 2009 10:17:01 +0000 (UTC), Andrew Gabriel wrote:

When I had mine done (admittedly nearly 8 years ago), they were only a
requirement if the window had no opener, or if the opening section could
not be locked securely in a fractionally open position. Otherwise the
window met ventilation requirements without having trickle vents added.


I think the regs have changed and trickle vents have to be fitted.
Right PITA here as the bloody things will no doubt leak like a sieve
when there is a gale outside driving the 10mm+/hour rain against
them.

--
Cheers
Dave.



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Default Double Glazing trickle vents - try-on?

Dave Liquorice wrote:
On Sat, 5 Dec 2009 10:17:01 +0000 (UTC), Andrew Gabriel wrote:

When I had mine done (admittedly nearly 8 years ago), they were only a
requirement if the window had no opener, or if the opening section could
not be locked securely in a fractionally open position. Otherwise the
window met ventilation requirements without having trickle vents added.


I think the regs have changed and trickle vents have to be fitted.
Right PITA here as the bloody things will no doubt leak like a sieve
when there is a gale outside driving the 10mm+/hour rain against
them.

there has never been a single building regulation that INSISTED on a
single solution to a problem.

Even double glazing is not a requirement. Only overall insulation levels
are.


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Default Double Glazing trickle vents - try-on?

Andrew Gabriel wrote:
In article ,
PeterC writes:
As others have said, they are required by BR. However, Mr.B offered you a
fraction of the cost of correcting the mistake - that's why he was so
disparaging of the vents. He'd have to correct the installation and be left
with useless parts, so there's room for negotiation.


When I had mine done (admittedly nearly 8 years ago), they were
only a requirement if the window had no opener, or if the opening
section could not be locked securely in a fractionally open position.
Otherwise the window met ventilation requirements without having
trickle vents added.


Lockable at a crack windows were not considered adequately secure for
the ground floor by my BCO.
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Default Double Glazing trickle vents - try-on?

In article ,
The Natural Philosopher writes:
Andrew Gabriel wrote:
In article ,
PeterC writes:
As others have said, they are required by BR. However, Mr.B offered you a
fraction of the cost of correcting the mistake - that's why he was so
disparaging of the vents. He'd have to correct the installation and be left
with useless parts, so there's room for negotiation.


When I had mine done (admittedly nearly 8 years ago), they were
only a requirement if the window had no opener, or if the opening
section could not be locked securely in a fractionally open position.
Otherwise the window met ventilation requirements without having
trickle vents added.


Lockable at a crack windows were not considered adequately secure for
the ground floor by my BCO.


That reminds me, I was told they had to be shoot bolt multipoint
deadlocks, and not the more common and less secure espagnolette locks.

--
Andrew Gabriel
[email address is not usable -- followup in the newsgroup]
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In article
,
Luke wrote:
My house is in the process of having new upvc double-glazing fitted.
On inspection, I noticed that the trickle vents I had paid extra for,
and were agreed at the point of specifying the windows, had not been
fitted.


When ordering the windows I was told by Bloke A at the window firm
that if my existing windows had trickle vents fitted, then my new
windows must also have the vents fitted according to building regs.


I thought they were mandatory now.

Some years ago I bought a stock size unit from Screwfix, and the trickle
vents were in a sort of add on bar. Recently wanted a second identical
window and that had them built in.

In both cases they can be closed if needed via a lever.

--
*Never underestimate the power of stupid people in large groups

Dave Plowman London SW
To e-mail, change noise into sound.
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Default Double Glazing trickle vents - try-on?

On Sat, 05 Dec 2009 09:34:58 +0000 (GMT), "Dave Plowman (News)"
wrote:

In article
,
Luke wrote:
My house is in the process of having new upvc double-glazing fitted.
On inspection, I noticed that the trickle vents I had paid extra for,
and were agreed at the point of specifying the windows, had not been
fitted.


When ordering the windows I was told by Bloke A at the window firm
that if my existing windows had trickle vents fitted, then my new
windows must also have the vents fitted according to building regs.


I thought they were mandatory now.

Some years ago I bought a stock size unit from Screwfix, and the trickle
vents were in a sort of add on bar. Recently wanted a second identical
window and that had them built in.

In both cases they can be closed if needed via a lever.


But "closed" isn't really closed - when they bang on about insulation
and U factors of glass, seals and surrounds it then seems insane to
have bloody great holes through the windows with a bit of a plastic
cover.

--
http://www.Christmasfreebies.co.uk
http://www.holidayunder100.co.uk


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---- SNIP TRICKLE VENT STORY----
-----
Some years ago I bought a stock size unit from Screwfix, and the trickle
vents were in a sort of add on bar. Recently wanted a second identical
window and that had them built in.


In both cases they can be closed if needed via a lever.


But "closed" isn't really closed - when they bang on about insulation
and U factors of glass, seals and surrounds it then seems insane to
have bloody great holes through the windows with a bit of a plastic
cover.

That's pretty much my dilemma. As the DG firm will give me the Fensa
certificate on completion of the installation, I'm not too worried
about the buildings regs aspect - far more important to me is the
comfort and warmth of the house. However my worry was that the DG firm
have realised their mistake and are trying to worm out of it by saying
the trickle vents are a bad idea anyway and I'm better off without
them.

FYI The impression I get of the firm is quite favourable. They're a
small local company, basically two brothers, been in business 20
years, and seemed very straightforward and honest to do business with.
No high pressure sales tactics and a simple quote process. I don't
want to get their backs up and make a fuss over something relatively
minor.

Luke
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On Sat, 5 Dec 2009 01:58:36 -0800 (PST), Luke
wrote:

---- SNIP TRICKLE VENT STORY----
-----
Some years ago I bought a stock size unit from Screwfix, and the trickle
vents were in a sort of add on bar. Recently wanted a second identical
window and that had them built in.


In both cases they can be closed if needed via a lever.


But "closed" isn't really closed - when they bang on about insulation
and U factors of glass, seals and surrounds it then seems insane to
have bloody great holes through the windows with a bit of a plastic
cover.

That's pretty much my dilemma. As the DG firm will give me the Fensa
certificate on completion of the installation, I'm not too worried
about the buildings regs aspect - far more important to me is the
comfort and warmth of the house. However my worry was that the DG firm
have realised their mistake and are trying to worm out of it by saying
the trickle vents are a bad idea anyway and I'm better off without
them.


The only thing when you come to sell your house that will matter is
the fensa certificate.
People don't not buy a house because it has vents. They just grumble
about how cold it is because of them or don't even notice...
(I'd like those air exchange heat whatsit things instead but I've not
persuaded him indoors that it's a viable option)


You could make enquiries with another firm about the cost of actually
installing vents in windows - and get a better guage of how much it'd
cost this company to comply.



FYI The impression I get of the firm is quite favourable. They're a
small local company, basically two brothers, been in business 20
years, and seemed very straightforward and honest to do business with.
No high pressure sales tactics and a simple quote process. I don't
want to get their backs up and make a fuss over something relatively
minor.

Luke

If you really want vents ask them to put them in. If you don't then
don't.
--
http://www.Christmasfreebies.co.uk
http://www.holidayunder100.co.uk
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Default Double Glazing trickle vents - try-on?

On 05/12/2009 09:58 Luke wrote:

That's pretty much my dilemma. As the DG firm will give me the Fensa
certificate on completion of the installation, I'm not too worried
about the buildings regs aspect - far more important to me is the
comfort and warmth of the house.


Take the money, ignore the vents and retain full control of ventilation
in the house.

FYI The impression I get of the firm is quite favourable. They're a
small local company, basically two brothers, been in business 20
years, and seemed very straightforward and honest to do business with.
No high pressure sales tactics and a simple quote process.


Sounds like a very well regarded firm I use just to the north of Leeds?

--
F

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On Sat, 05 Dec 2009 01:58:36 -0800, Luke wrote:

That's pretty much my dilemma. As the DG firm will give me the Fensa
certificate on completion of the installation, I'm not too worried about
the buildings regs aspect - far more important to me is the comfort and
warmth of the house. However my worry was that the DG firm have realised
their mistake and are trying to worm out of it by saying the trickle
vents are a bad idea anyway and I'm better off without them.


Well it could be that the DG firm have realised their mistake and are
trying to worm out of it *AND* the trickle vents are a bad idea anyway!
So despite them being in the wrong they might be doing you a favour by
giving you your windows, your FENSA ticket and comfort and warmth in your
house. If ventilation (e.g. condensation) proves a problem later on there
are probably more energy-efficient ways of dealing with it that don't
permanently compromise the efficiency and - let's face it - appearance of
your windows.


--
John Stumbles

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In article ,
mogga wrote:
But "closed" isn't really closed - when they bang on about insulation
and U factors of glass, seals and surrounds it then seems insane to
have bloody great holes through the windows with a bit of a plastic
cover.


If your house is so well sealed they make a difference - that's why
they're needed. If not, it doesn't matter. ;-)

--
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Dave Plowman London SW
To e-mail, change noise into sound.


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Luke wrote:

Therefore his advice is to leave the vents unfitted and he will knock
£54 off the final bill.


I would say to him that being without them could cause problems in future,
eg BR, and I would prefer to have them installed as contracted please. If
they really don't want to do that (and they won't, of course) then I would
accept a reduction of £500 to offset my time and trouble if/when it's later
necessary to have them retro-fitted.



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On Sat, 5 Dec 2009 09:58:38 -0000, Steve Walker wrote:

Therefore his advice is to leave the vents unfitted and he will

knock
£54 off the final bill.


That's what I would accept (assuming the £54 is the cost of the
vents). You are getting the bit of paper from FENSA anyway.

I would accept a reduction of £500 to offset my time and trouble if/when
it's later necessary to have them retro-fitted.


If anyone checks up on the trickle vents in relation to when the
windows where installed when there is the FENSA certificate for the
installation I really wouldn't want to deal with them. They'll start
picking on any tiny arse covering thing in a survey to knock the
price down. Not worth the effort.

--
Cheers
Dave.



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On Sat, 05 Dec 2009 10:39:00 +0000 (GMT), "Dave Liquorice"
wrote:
On Sat, 5 Dec 2009 09:58:38 -0000, Steve Walker wrote:

Therefore his advice is to leave the vents unfitted and he will

knock
£54 off the final bill.


That's what I would accept (assuming the £54 is the cost of the
vents). You are getting the bit of paper from FENSA anyway.



I recently had a quote for new windows and the trickle vents were
quoted at £15 per vent, if that helps the OP.

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Default Double Glazing trickle vents - try-on?

Luke wrote:
Hi,

My house is in the process of having new upvc double-glazing fitted.
On inspection, I noticed that the trickle vents I had paid extra for,
and were agreed at the point of specifying the windows, had not been
fitted.

When ordering the windows I was told by Bloke A at the window firm
that if my existing windows had trickle vents fitted, then my new
windows must also have the vents fitted according to building regs.

I immediately phoned the DG company and spoke to Bloke B. After
talking to Bloke A, he admitted that yes, I had ordered the trickle
vents and no, they hadn't been fitted. Bloke B then told me that I am
better off without trickle vents, as they compromise the integrity of
the window, are draughty, and encourage dirt, insects etc into the
house. He said quite often customers complain if trickle vents have
been fitted and he has to seal them up afterwards!

Therefore his advice is to leave the vents unfitted and he will knock
£54 off the final bill.

So, what do you reckon? Am I better off with or without the trickle
vents? Regardless of the group's general opinion, I am quite annoyed
that I would have paid £54 extra for the vents when they weren't even
fitted. Bloke B even said it was good news as I'd have an extra £54 to
spend at Christmas!

Luke


I would not fit them.

They are a ghastly compromise designed to meet building regs on
background ventilation. Largely as a result of massive condensation
problems from the 60s with uninsulated concrete walled flats and tight
fitting windows.

If the BCO complains, punch a hole in a wall and fit a vent to that.

Trickle vents are an easy way to retrofit windows and ventilation
together. But not the way to do it from square one.

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On Dec 5, 2:28*am, Luke wrote:
Hi,

My house is in the process of having new upvc double-glazing fitted.
On inspection, I noticed that the trickle vents I had paid extra for,
and were agreed at the point of specifying the windows, had not been
fitted.

When ordering the windows I was told by Bloke A at the window firm
that if my existing windows had trickle vents fitted, then my new
windows must also have the vents fitted according to building regs.

I immediately phoned the DG company and spoke to Bloke B. After
talking to Bloke A, he admitted that yes, I had ordered the trickle
vents and no, they hadn't been fitted. Bloke B then told me that I am
better off without trickle vents, as they compromise the integrity of
the window, are draughty, and encourage dirt, insects etc into the
house. He said quite often customers complain if trickle vents have
been fitted and he has to seal them up afterwards!

Therefore his advice is to leave the vents unfitted and he will knock
£54 off the final bill.

So, what do you reckon? Am I better off with or without the trickle
vents? Regardless of the group's general opinion, I am quite annoyed
that I would have paid £54 extra for the vents when they weren't even
fitted. Bloke B even said it was good news as I'd have an extra £54 to
spend at Christmas!

Luke


Im in the US, here we dont have them I would not buy a window with
them. Why would you buy a new highly efficent window and put a
uninsulated hole in it. Is the hole for venting, if so here we open a
window for air. You have significantly reduced the insulating value of
a window putting a hole in it, why do you do that. It defeats the
purpose of trying to save on utilities


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Default Double Glazing trickle vents - try-on?

Trickle vents are required for 2 reasons

1 - To prevent excess moisture buildup
So the rooms maintain a minimal air changes per hour (ACH).

2 - To prevent excess condensation on cold bridges
Typically the top 6" of rooms re uninsulated eaves etc.

If you already have wall vents, they MIGHT not be needed.
- If you add CWI then unsleeved vents must be sleeved
- If you lose those vents you lose your ventilation

Additionally any open flue gas appliance needs ventilation, however
that is now typically arranged by a dedicated baffled vent in the
relevent room. Whilst a small gas radiant fire with input 7kW does
not require a dedicated vent, it may still require one if DG is fitted
and vents closed off for purposes of CWI.

Sleeving existing vents when fitting CWI is costly.
Adding a dedicated gas vent is also costly.

Finding your upstairs wallpaper has black mould from condensation is
also costly. A neighbour to my mother's has DG with no vents and the
net result is there is a condensation problem at the eaves. The
trickle vents are substantial in airflow, but you can't create a
perfectly enclosed environment - carpets to wallpaper outgas chemicals
and humans do need fresh air.

If you have wood DG it is a simple matter to router the slot and fit,
for plastic I'm not so sure - probably comes down to the particular
design. Therein is the problem of retrofitting.


I would speak to BC, they will advise whether necessary and the health
requirements for such. You can close them, which tends to act as a
baffle, a tiny amount of ventilation is still required through a room
for obvious reasons (stagnant air). The USA EPA is studying the effect
of "sealed houses" on people not re drawn in pollutants but those from
existing products which will outgas for many years, humans do require
a baseline level of fresh air.
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Default Double Glazing trickle vents - try-on?

In an earlier contribution to this discussion,
Luke wrote:

Hi,

My house is in the process of having new upvc double-glazing fitted.
On inspection, I noticed that the trickle vents I had paid extra for,
and were agreed at the point of specifying the windows, had not been
fitted.

When ordering the windows I was told by Bloke A at the window firm
that if my existing windows had trickle vents fitted, then my new
windows must also have the vents fitted according to building regs.

I immediately phoned the DG company and spoke to Bloke B. After
talking to Bloke A, he admitted that yes, I had ordered the trickle
vents and no, they hadn't been fitted. Bloke B then told me that I am
better off without trickle vents, as they compromise the integrity of
the window, are draughty, and encourage dirt, insects etc into the
house. He said quite often customers complain if trickle vents have
been fitted and he has to seal them up afterwards!

Therefore his advice is to leave the vents unfitted and he will knock
£54 off the final bill.

So, what do you reckon? Am I better off with or without the trickle
vents? Regardless of the group's general opinion, I am quite annoyed
that I would have paid £54 extra for the vents when they weren't even
fitted. Bloke B even said it was good news as I'd have an extra £54 to
spend at Christmas!

Luke



Trickle vents are a PITA! Take your £54 reduction and do without them.
You're unlikely to have insufficient ventillation by other means.

When I had some building work done in the mid 1990's, the BCO insisted on
trickle vents - and the way in which the window company implemented this on
aluminium thermal break windows was to reduce the size of the sealed units
in the top openers, to be an inch or so less tall than the frames, and to
fill the gaps with full-width plastic strip vents. This was fine - and as
soon as the BCO had signed it off, I bought some new full-sized sealed units
and got rid of the vents. [The vents and under-size units are still in my
attic, so they *could* be re-fitted in the unlikely event that anyone
complained.

Only this year, I've had some more new aluminium windows in a kitchen
conversion - and trickle vents weren't even mentioned, and the BCO was quite
happy - so they're clearly *not* mandatory under all circumstances.
--
Cheers,
Roger
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Default Double Glazing trickle vents - try-on?

On Sat, 5 Dec 2009 14:32:06 -0000, "Roger Mills"
wrote:

When I had some building work done in the mid 1990's, the BCO insisted on
trickle vents - and the way in which the window company implemented this on
aluminium thermal break windows was to reduce the size of the sealed units
in the top openers, to be an inch or so less tall than the frames, and to
fill the gaps with full-width plastic strip vents. This was fine - and as
soon as the BCO had signed it off, I bought some new full-sized sealed units
and got rid of the vents. [The vents and under-size units are still in my
attic, so they *could* be re-fitted in the unlikely event that anyone
complained.


How much extra did that cost you??? Was it not an extravagance?
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Default Double Glazing trickle vents - try-on?

In an earlier contribution to this discussion,
Usenet Nutter wrote:

On Sat, 5 Dec 2009 14:32:06 -0000, "Roger Mills"
wrote:

When I had some building work done in the mid 1990's, the BCO
insisted on trickle vents - and the way in which the window company
implemented this on aluminium thermal break windows was to reduce
the size of the sealed units in the top openers, to be an inch or so
less tall than the frames, and to fill the gaps with full-width
plastic strip vents. This was fine - and as soon as the BCO had
signed it off, I bought some new full-sized sealed units and got rid
of the vents. [The vents and under-size units are still in my attic,
so they *could* be re-fitted in the unlikely event that anyone
complained.


How much extra did that cost you??? Was it not an extravagance?


Can't remember exactly - but it was under £100 for the supply and fitting of
replacement units for 3 windows - and well worth it to get rid of the b****y
noisy and drafty vents.
--
Cheers,
Roger
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Default Double Glazing trickle vents - try-on?

On 5 Dec, 19:30, "Roger Mills" wrote:
In an earlier contribution to this discussion,
Usenet Nutter *wrote:

On Sat, 5 Dec 2009 14:32:06 -0000, "Roger Mills"
wrote:


When I had some building work done in the mid 1990's, the BCO
insisted on trickle vents - and the way in which the window company
implemented this on aluminium thermal break windows was to reduce
the size of the sealed units in the top openers, to be an inch or so
less tall than the frames, and to fill the gaps with full-width
plastic strip vents. This was fine - and as soon as the BCO had
signed it off, I bought some new full-sized sealed units and got rid
of the vents. [The vents and under-size units are still in my attic,
so they *could* be re-fitted in the unlikely event that anyone
complained.


How much extra did that cost you??? Was it not an extravagance?


Can't remember exactly - but it was under £100 for the supply and fitting of
replacement units for 3 windows - and well worth it to get rid of the b****y
noisy and drafty vents.
--
Cheers,
Roger


Thank you to everyone for your comments and advice. I have decided to
keep the windows as they are and take my £54 reduction - probably the
best option all round and I don't think it's worth kicking up a stink
over. As most people suggest, I am probably better off without trickle
vents. Just to give you a bit more info about the house. It's a two-
bedroomed end terrace house built in in 1993 with a room sealed
boiler, no chimneys, no condensation or damp problems, don't know if
it has cavity wall insulation (suspect not).

Oh and the DG company are based near Chippenham, Wiltshire not Leeds!

Luke


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Default Double Glazing trickle vents - try-on?

In an earlier contribution to this discussion,
Luke wrote:

It's a two-bedroomed end terrace house built in in 1993 with a room
sealed
boiler, no chimneys, no condensation or damp problems, don't know if
it has cavity wall insulation (suspect not).


Are you sure it's got cavity walls? A lot of new build around then used
so-called brick veneer - with a wooden frame on the inside and one layer of
bricks on the outside. They were quite well insulated, though.
--
Cheers,
Roger
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Default Double Glazing trickle vents - try-on?

On Dec 5, 9:58*pm, Luke wrote:
As most people suggest, I am probably better off without trickle
vents. Just to give you a bit more info about the house. It's a two-
bedroomed end terrace house built in in 1993 with a room sealed
boiler, no chimneys, no condensation or damp problems


That makes a big difference.

Condensation & damp are eliminated by a) heat or b) ventilation so
they usually become noticeable when people move from single to double
glazed (reducing ventilation). The best solution is to remove moisture
at source - cooker hood & shower/bathroom extractor. That is two
"vents" that are normally closed and you have control over them,
rather than numerous trickle vents distributed about the entire house.
Likewise easy enough to open a window once a day for a few minutes.
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Default Double Glazing trickle vents - try-on?

On 05/12/2009 21:58 Luke wrote:

Oh and the DG company are based near Chippenham, Wiltshire not Leeds!


Ah! Two glazing businesses run by brothers for around 20 years then. The
one near us to the north of Leeds is extremely good: decent prices,
excellent product and faultless installation.

--
F

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Default Double Glazing trickle vents - try-on?

Roger Mills wrote:

When I had some building work done in the mid 1990's, the BCO insisted on
trickle vents - and the way in which the window company implemented this on
aluminium thermal break windows was to reduce the size of the sealed units
in the top openers, to be an inch or so less tall than the frames, and to
fill the gaps with full-width plastic strip vents. This was fine - and as
soon as the BCO had signed it off, I bought some new full-sized sealed units
and got rid of the vents. [The vents and under-size units are still in my
attic, so they *could* be re-fitted


I'm surprised they didn't go back to the window company to do the same
round again on someone else's windows :-) (see mandatory busybody light
fittings in new builds that won't accept standard bulbs)

Pete
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