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UK diy (uk.d-i-y) For the discussion of all topics related to diy (do-it-yourself) in the UK. All levels of experience and proficency are welcome to join in to ask questions or offer solutions. |
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#1
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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 |
#2
Posted to uk.d-i-y
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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 |
#3
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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 |
#4
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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. -- Cheers, Roger ____________ Please reply to Newsgroup. Whilst email address is valid, it is seldom checked. |
#5
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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 |
#6
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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 |
#7
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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 |
#8
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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 |
#9
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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 |
#10
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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 |
#11
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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 . . . . |
#12
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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 |
#13
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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. |
#14
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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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