Hi All,

I have a question re of those pre cast concrete garages, (10' x 20'
and 8' at the eves) and I noted we have some garage construction
experts on this group. ;-)

The current pitched corrugated cement fibre roof is fairly low angle
and I was considering raising the angle to provide more space up there
(ideally to store a 16' Canadian canoe, possibly fed in via a door in
the front gable .. like the access to a barn loft etc).

I would prefabricate the steel frames and gables then hopefully remove
/ replace the entire thing one dry day (I should be able to do it a
couple of panels at a time, depending on the lengths of the purlins).

The existing moulded apex sections have a fairly low angle and
wondered if they made alternative angles and if what options would I
have please (I would imagine they do but my Googling has come up with
little so far).

Depending on that I would have to check back to ensure it stayed
within the 'permitted development' for maximum height (I think it was
4m or similar for that shape roof).

I guess unless the new apex pieces had very long sides I might have to
also buy new roof panels and they would then be to short. :-(

Are there any other considerations I may have missed please?

All the best ..

T i m

In message , T i m
writes
Hi All,

I have a question re of those pre cast concrete garages, (10' x 20'
and 8' at the eves) and I noted we have some garage construction
experts on this group. ;-)

Probably a fairly major undertaking if you are not familiar with them,
but quite doable

What make is it ?

e.g. Banbury and Compton use quite different construction techniques

You would Have to renew the roofing sheets, the old ones will probably
be very brittle, the holes not in the correct place and, yes, too short

Screws and clips will probably be well rusted as well

Is the front gable not concrete? You would have to remake F & B out of
wood




The current pitched corrugated cement fibre roof is fairly low angle
and I was considering raising the angle to provide more space up there
(ideally to store a 16' Canadian canoe, possibly fed in via a door in
the front gable .. like the access to a barn loft etc).

I would prefabricate the steel frames and gables then hopefully remove
/ replace the entire thing one dry day (I should be able to do it a
couple of panels at a time, depending on the lengths of the purlins).

The existing moulded apex sections have a fairly low angle and
wondered if they made alternative angles and if what options would I
have please (I would imagine they do but my Googling has come up with
little so far).

Depending on that I would have to check back to ensure it stayed
within the 'permitted development' for maximum height (I think it was
4m or similar for that shape roof).

I guess unless the new apex pieces had very long sides I might have to
also buy new roof panels and they would then be to short. :-(

Are there any other considerations I may have missed please?

All the best ..

T i m




--
geoff

On Thu, 28 Feb 2008 23:27:05 GMT, geoff wrote:

In message , T i m
writes
Hi All,

I have a question re of those pre cast concrete garages, (10' x 20'
and 8' at the eves) and I noted we have some garage construction
experts on this group. ;-)

Probably a fairly major undertaking if you are not familiar with them,
but quite doable

Well I was with the guys when they assembled it and it all looked
fairly straight forward (luckily I had provided them a very flat /
true base to work from and they seemed grateful for that (that and
plenty of tea and a Pizza for lunch g). I had them assemble it
rather than doing it myself as I wouldn't have been covered for any
panels / sheets that broke during construction etc. Plus, it would
have been a pretty heavy job (8' eves).

What make is it ?

Sturdy I think Geoff (it was about 15 years ago now).

e.g. Banbury and Compton use quite different construction techniques

Ok ..

You would Have to renew the roofing sheets, the old ones will probably
be very brittle, the holes not in the correct place and, yes, too short

Ok, np.

Screws and clips will probably be well rusted as well

Possibly. The bits inside still look ok.

Is the front gable not concrete? You would have to remake F & B out of
wood

Tongue / groove wood. I was thinking of replacing them with waterproof
ply (noise / insulation), skinned with gavl steel (for some security)
and plastic cladding (for looks).

My outstanding question is still the ridge pieces. The existing ones
[1] are set at a fairly shallow angle and I don't know if there are
others of greater angles or if you imply use a different technique
(like a traditional clay ridge tile bedded on cement)?

All the best ..

T i m

[1] In case what I have isn't 'typical' the ridge pieces consist of
pre moulded sections that are ridge and a small lengths of roof panel
section type shoulders in one, probably something like 30" wide (from
memory). i.e. They overlap the top of the roof panels by maybe 6-9".

In message , T i m
writes
On Thu, 28 Feb 2008 23:27:05 GMT, geoff wrote:

In message , T i m
writes
Hi All,

I have a question re of those pre cast concrete garages, (10' x 20'
and 8' at the eves) and I noted we have some garage construction
experts on this group. ;-)

Probably a fairly major undertaking if you are not familiar with them,
but quite doable

Well I was with the guys when they assembled it and it all looked
fairly straight forward (luckily I had provided them a very flat /
true base to work from and they seemed grateful for that (that and
plenty of tea and a Pizza for lunch g).

A level base is absolutely critical for a good construction

That said, we built some where the front posts were on two bricks
(having a) got a waiver and b) a bit of extra in the back pocket for the
extra work

I had them assemble it
rather than doing it myself as I wouldn't have been covered for any
panels / sheets that broke during construction etc. Plus, it would
have been a pretty heavy job (8' eves).

Prolly sensible, they would know how to go about it and know the work
arounds when a problem came up

It's all technique, two of us would put up three in a day


What make is it ?

Sturdy I think Geoff (it was about 15 years ago now).

Not one I know


e.g. Banbury and Compton use quite different construction techniques

Ok ..

You would Have to renew the roofing sheets, the old ones will probably
be very brittle, the holes not in the correct place and, yes, too short

Ok, np.

Screws and clips will probably be well rusted as well

Possibly. The bits inside still look ok.

Is the front gable not concrete? You would have to remake F & B out of
wood

Tongue / groove wood. I was thinking of replacing them with waterproof
ply (noise / insulation), skinned with gavl steel (for some security)
and plastic cladding (for looks).

My outstanding question is still the ridge pieces. The existing ones
[1] are set at a fairly shallow angle and I don't know if there are
others of greater angles or if you imply use a different technique
(like a traditional clay ridge tile bedded on cement)?

I was going to mention that, then the wife came back from her dance
class, ... and I forgot

the best workaround I could think of would be to pack the space out with
a mortar fillet


--
geoff

On Fri, 29 Feb 2008 00:41:22 GMT, geoff wrote:


That said, we built some where the front posts were on two bricks
(having a) got a waiver and b) a bit of extra in the back pocket for the
extra work

;-)


It's all technique, two of us would put up three in a day

Wow.


Sturdy I think Geoff (it was about 15 years ago now).

Not one I know

I think these are them Geoff ..

http://www.lmsturdygarages.co.uk/

Mine looks like the pebble-dashed double with white doors (but is only
a single).

My outstanding question is still the ridge pieces. The existing ones
[1] are set at a fairly shallow angle and I don't know if there are
others of greater angles or if you imply use a different technique
(like a traditional clay ridge tile bedded on cement)?

I was going to mention that, then the wife came back from her dance
class, ... and I forgot

Doh!

the best workaround I could think of would be to pack the space out with
a mortar fillet

Ok, so I have this straight (and this might account for the lack of
replies) ...

On my existing garage roof the ridge tile (as you would call it on a
tile / slate / roof / hip) is actually moulded out of the same cement
fibre as the roof sheets. It covers the width of a ridge tile and a
good 12" either side of the roof (like a sombrero) and is set at the
same angle as the pitched roof. It is bolted down in the same way the
roofing panels are.

I was assuming these might be available in a range of angles but maybe
that's not the case and if I was to move up to a steeper pitch I may
have to go back to a more traditional mortar beded ridge tile of some
sort (or I could use a hip tile if the angle wasn't that much)?

I must admit I like the existing setup as there is no mortar to apply
and crack up.

Hmm, maybe I need to re-think this .. :-(

All the best ..

T i m

In message , T i m
writes
On Fri, 29 Feb 2008 00:41:22 GMT, geoff wrote:


That said, we built some where the front posts were on two bricks
(having a) got a waiver and b) a bit of extra in the back pocket for the
extra work

;-)


It's all technique, two of us would put up three in a day

Wow.


Sturdy I think Geoff (it was about 15 years ago now).

Not one I know

I think these are them Geoff ..

http://www.lmsturdygarages.co.uk/

Mine looks like the pebble-dashed double with white doors (but is only
a single).

Same basic design as Compton


My outstanding question is still the ridge pieces. The existing ones
[1] are set at a fairly shallow angle and I don't know if there are
others of greater angles or if you imply use a different technique
(like a traditional clay ridge tile bedded on cement)?

I was going to mention that, then the wife came back from her dance
class, ... and I forgot

Doh!

the best workaround I could think of would be to pack the space out with
a mortar fillet

Ok, so I have this straight (and this might account for the lack of
replies) ...

On my existing garage roof the ridge tile (as you would call it on a
tile / slate / roof / hip) is actually moulded out of the same cement
fibre as the roof sheets. It covers the width of a ridge tile and a
good 12" either side of the roof (like a sombrero) and is set at the
same angle as the pitched roof. It is bolted down in the same way the
roofing panels are.

Why would they do more than one angle ?

I would think that they would have just one standard pitch of roof

you might find them at a building suppliers


I was assuming these might be available in a range of angles but maybe
that's not the case and if I was to move up to a steeper pitch I may
have to go back to a more traditional mortar beded ridge tile of some
sort (or I could use a hip tile if the angle wasn't that much)?

I must admit I like the existing setup as there is no mortar to apply
and crack up.

Hmm, maybe I need to re-think this .. :-(




All the best ..

T i m


--
geoff

On Fri, 29 Feb 2008 20:00:54 GMT, geoff wrote:

Mine looks like the pebble-dashed double with white doors (but is only
a single).

Same basic design as Compton

I think it's the same basic design as many pre-fab garages Geoff but
the bit that interested me was the especially tall eve height (more
space for racking and motorbikes on lifts etc) ;-)


On my existing garage roof the ridge tile (as you would call it on a
tile / slate / roof / hip) is actually moulded out of the same cement
fibre as the roof sheets. It covers the width of a ridge tile and a
good 12" either side of the roof (like a sombrero) and is set at the
same angle as the pitched roof. It is bolted down in the same way the
roofing panels are.

Why would they do more than one angle ?

Because they often also do 'Deluxe garages with higher roof angles but
they also seem to use either 'tile look' corrugated steel sheets [1]
or real tiled / slated construction (and therefore using traditional
building techniques).

I guess I could also use some sort of a galvanized metal ridge (do
they make such a thing)?

All the best ..

T i m

[1] I should image they would be quite noisy but I was thinking of
lining this new roof with some form of thermal insulation and that
might help with noise (in and out) as well?

In message , T i m
writes
On Fri, 29 Feb 2008 20:00:54 GMT, geoff wrote:

Mine looks like the pebble-dashed double with white doors (but is only
a single).

Same basic design as Compton

I think it's the same basic design as many pre-fab garages Geoff

You'd be surprised, there are a number of different constructions


--
geoff

The message
from T i m contains these words:



I guess I could also use some sort of a galvanized metal ridge (do
they make such a thing)?

Yes, of course they do. Bend to shape! :-)

Some asbestos-cement ridgings are actually made up of two overlapping
pieces so will handle a wide range of angles.

In message , T i m
writes
Hi All,

I have a question re of those pre cast concrete garages,


Doh - stupid or what, I've just realised - you have an identical twin
brother who posts in UKRM


--
geoff