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Default Screwing into concrete

Have heard about screws that you drill a pilot hole and screw directly into
a concrete floor - no raw plug so ideal for fixing floor boarding, skirting
and the like.

But I can not find them in either Toolstation or screwfix in less that 75mm
lengths - all described as for frame fixing.

I only want to fix 22mm floorboards to a concrete floor so am looking for
something about 45mm or so.

Any suggestions?

--

Mark BR


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Default Screwing into concrete

On 01/09/2013 09:35, Mark BR wrote:
Have heard about screws that you drill a pilot hole and screw directly into
a concrete floor - no raw plug so ideal for fixing floor boarding, skirting
and the like.

But I can not find them in either Toolstation or screwfix in less that 75mm
lengths - all described as for frame fixing.

I only want to fix 22mm floorboards to a concrete floor so am looking for
something about 45mm or so.

Any suggestions?

--

Mark BR



You can use ordinary screws/plugs if you tap the plug through the hole
with the screw before tightening it. Depending on the plug, you may have
to cut the lip off
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Default Screwing into concrete

On Sunday, 1 September 2013 09:35:19 UTC+1, Mark BR wrote:
Have heard about screws that you drill a pilot hole and screw directly into

a concrete floor - no raw plug so ideal for fixing floor boarding, skirting

and the like.



But I can not find them in either Toolstation or screwfix in less that 75mm

lengths - all described as for frame fixing.



I only want to fix 22mm floorboards to a concrete floor so am looking for

something about 45mm or so.



Any suggestions?



--



Mark BR


http://www.screwfix.com/c/screws-nai...rews/cat840194

http://www.screwfix.com/c/screws-nai...ews/cat2700042
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Default Screwing into concrete

On 01/09/2013 09:35, Mark BR wrote:
Have heard about screws that you drill a pilot hole and screw directly into
a concrete floor - no raw plug so ideal for fixing floor boarding, skirting
and the like.

But I can not find them in either Toolstation or screwfix in less that 75mm
lengths - all described as for frame fixing.

I only want to fix 22mm floorboards to a concrete floor so am looking for
something about 45mm or so.

Any suggestions?

--

Mark BR



ICBW but I'd have thought that you needed them to go into the concrete
by more than 23mm in order to hold firmly.
--
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Roger
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Default Screwing into concrete

On Sun, 01 Sep 2013 11:34:47 +0100, Roger Mills wrote:

On 01/09/2013 09:35, Mark BR wrote:
Have heard about screws that you drill a pilot hole and screw directly into
a concrete floor - no raw plug so ideal for fixing floor boarding, skirting
and the like.

But I can not find them in either Toolstation or screwfix in less that 75mm
lengths - all described as for frame fixing.

I only want to fix 22mm floorboards to a concrete floor so am looking for
something about 45mm or so.

Any suggestions?

--

Mark BR



ICBW but I'd have thought that you needed them to go into the concrete
by more than 23mm in order to hold firmly.


Same here - thinking about the springiness of floorboards. Even if hard down
on a solid surface, the give in the wood and repeated compression will have
an effect.
Screws are only a friction fit (in the Antarctic, the buildings are bolted
together as the thermal cycling loosens screws).
Some of the reviews mention that the 'thread' in concrete won't survive many
removals/replacements, so I'd go for a longer screw for more insertion - er,
what's the subject? - for strength in the thread as well.
--
Peter.
The gods will stay away
whilst religions hold sway


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Default Screwing into concrete

On Sunday, September 1, 2013 9:35:19 AM UTC+1, Mark BR wrote:
Have heard about screws that you drill a pilot hole and screw directly into

a concrete floor - no raw plug so ideal for fixing floor boarding, skirting

and the like.



But I can not find them in either Toolstation or screwfix in less that 75mm

lengths - all described as for frame fixing.



I only want to fix 22mm floorboards to a concrete floor so am looking for

something about 45mm or so.



Any suggestions?



--



Mark BR


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Default Screwing into concrete

On Sunday, September 1, 2013 3:25:12 PM UTC+1, PeterC wrote:
snip

Some of the reviews mention that the 'thread' in concrete won't survive many
removals/replacements, so I'd go for a longer screw for more insertion - er,
what's the subject? - for strength in the thread as well.


how many removal/replaces will screws holding battens under flooring have to endure?....


Jim K
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Default Screwing into concrete


wrote in message
...
On Sunday, 1 September 2013 09:35:19 UTC+1, Mark BR wrote:
Have heard about screws that you drill a pilot hole and screw directly
into
a concrete floor - no raw plug so ideal for fixing floor boarding,
skirting
and the like.

But I can not find them in either Toolstation or screwfix in less that
75mm
lengths - all described as for frame fixing.
I only want to fix 22mm floorboards to a concrete floor so am looking for
something about 45mm or so.

Any suggestions?


http://www.screwfix.com/c/screws-nai...rews/cat840194

http://www.screwfix.com/c/screws-nai...ews/cat2700042


Why couldn't I find them? Thanks

--

Mark BR


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Default Screwing into concrete


"Jim K" wrote in message
...
On Sunday, September 1, 2013 3:25:12 PM UTC+1, PeterC wrote:
snip

Some of the reviews mention that the 'thread' in concrete won't survive
many
removals/replacements, so I'd go for a longer screw for more insertion -
er,
what's the subject? - for strength in the thread as well.


how many removal/replaces will screws holding battens under flooring have
to endure?....


Probably only screw in once, but did like the ability to easily remove the
skirting boards.

But point taken about length - I'll go with the longer ones recommended by
someone else at screwfix (unless I find similar in toolstation?).

--

Mark BR


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Default Screwing into concrete

On 01/09/2013 19:50, Mark BR wrote:
wrote in message
...
On Sunday, 1 September 2013 09:35:19 UTC+1, Mark BR wrote:
Have heard about screws that you drill a pilot hole and screw directly
into
a concrete floor - no raw plug so ideal for fixing floor boarding,
skirting
and the like.

But I can not find them in either Toolstation or screwfix in less that
75mm
lengths - all described as for frame fixing.
I only want to fix 22mm floorboards to a concrete floor so am looking for
something about 45mm or so.

Any suggestions?


http://www.screwfix.com/c/screws-nai...rews/cat840194

http://www.screwfix.com/c/screws-nai...ews/cat2700042


Why couldn't I find them? Thanks

--

Mark BR


Screwfix search is utterly bizarre. I wanted a Drayton TRV and
lockshield today (as I was doing an direct replacement). Searched for
TRVs and saw none - only other makes. Then remembered that I had one in
my basket - from there I could see my local branch had 8 in stock.

I get the impression that Screwfix website is now maintained by the
jokers who do the B&Q website. Who else could keep making it worse and
worse?

--
Rod


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Default Screwing into concrete

In article , polygonum
writes

Screwfix search is utterly bizarre. I wanted a Drayton TRV and
lockshield today (as I was doing an direct replacement). Searched for
TRVs and saw none - only other makes. Then remembered that I had one in
my basket - from there I could see my local branch had 8 in stock.

Think you must've broken something, just tried it and that combo in
white TRV4 was on the top row with chrome TRV4 and RT212 lower down. Try
clearing cookies?

I get the impression that Screwfix website is now maintained by the
jokers who do the B&Q website. Who else could keep making it worse and
worse?

Search item site:diy.com in your favourite search engine to get round
their ineptitude. Works for other sites of course, just drop the initial
www.
--
fred
it's a ba-na-na . . . .
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Default Screwing into concrete

On 01/09/2013 20:43, fred wrote:
In article , polygonum
writes

Screwfix search is utterly bizarre. I wanted a Drayton TRV and
lockshield today (as I was doing an direct replacement). Searched for
TRVs and saw none - only other makes. Then remembered that I had one in
my basket - from there I could see my local branch had 8 in stock.

Think you must've broken something, just tried it and that combo in
white TRV4 was on the top row with chrome TRV4 and RT212 lower down. Try
clearing cookies?

I get the impression that Screwfix website is now maintained by the
jokers who do the B&Q website. Who else could keep making it worse and
worse?

Search item site:diy.com in your favourite search engine to get round
their ineptitude. Works for other sites of course, just drop the initial
www.


OK - more exactly, I typed TRV and saw "trv and lockshield" offered,
which I selected. That took me he

http://www.screwfix.com/search.do?fh...and+lockshield

It appears they have some under "lockshield" others under "l/s" - I
sort-of made the assumption that their offered search term would cover
the ground. It didn't.

--
Rod
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Default Screwing into concrete

On Sun, 1 Sep 2013 09:35:19 +0100, Mark BR wrote:

I only want to fix 22mm floorboards to a concrete floor so am looking
for something about 45mm or so.

Any suggestions?


Wood moves, how many fixings are you intending to put in?

--
Cheers
Dave.



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Default Screwing into concrete

On Sun, 1 Sep 2013 08:16:24 -0700 (PDT), Jim K wrote:

On Sunday, September 1, 2013 3:25:12 PM UTC+1, PeterC wrote:
snip

Some of the reviews mention that the 'thread' in concrete won't survive many
removals/replacements, so I'd go for a longer screw for more insertion - er,
what's the subject? - for strength in the thread as well.


how many removal/replaces will screws holding battens under flooring have to endure?....

Jim K


One more than they'll withstand, of course.
--
Peter.
The gods will stay away
whilst religions hold sway
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