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foam around insulation

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foam around insulation

Postby CATNAP » 30 Aug 2017, 12:49

Hi

I see people using foam around gaps in insulation. Whats this foam called?
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Re: foam around insulation

Postby TrimTheKing » 30 Aug 2017, 13:37

Expanding foam, this is the stuff I used...

You would need a gun with this too as it's much more controllable than the ones with a normal aerosol top...

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Re: foam around insulation

Postby Malc2098 » 30 Aug 2017, 13:55

I got mine from Screwfx.

http://www.screwfix.com/p/soudal-window-door-installation-foam-kit-gun-grade/1740h

Only ever use a gun for this stuff, you can get just a small bead or a big gap filled and consequently have less waste and less mess.

I've used it all over my build and am on the last can, I think. I even used it to anchor some of the insect mesh where I couldn't get the stapler in.
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Re: foam around insulation

Postby RogerS » 30 Aug 2017, 14:08

But DO remember to turn off the nozzle fully when you have finished.
If opportunity doesn't knock, build a door.
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Re: foam around insulation

Postby Malc2098 » 30 Aug 2017, 14:33

RogerS wrote:But DO remember to turn off the nozzle fully when you have finished.


:text-+1: Absolutely!!
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Re: foam around insulation

Postby CATNAP » 30 Aug 2017, 16:19

Malc2098 wrote:I got mine from Screwfx.

http://www.screwfix.com/p/soudal-window-door-installation-foam-kit-gun-grade/1740h

Only ever use a gun for this stuff, you can get just a small bead or a big gap filled and consequently have less waste and less mess.

I've used it all over my build and am on the last can, I think. I even used it to anchor some of the insect mesh where I couldn't get the stapler in.


MORE STUFF TO BUY THEN... URGH.
I dont need much of this stuff so spending £63 on it might be overkill....wonder how long the cans last.
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Re: foam around insulation

Postby Malc2098 » 30 Aug 2017, 16:48

I agree.

I've used mine to joint all the floor joists and insulation, the roof rafters and their insulation and I've lined every OSB to timber joint in the walls. In fact, anywhere there are gaps that air can pass from outside to inside have been been filled with foam. And It has been used for fixing the mesh in difficult places.

In your situation, I might try buying one can and a cheap gun, but don't forget to turn the nozzle off after every use. That nozzle helps you choose a narrow or wide bead and so you can be really economical with it.
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Re: foam around insulation

Postby Dave1w » 01 Sep 2017, 08:13

Did I see mention somewhere that the low expansion stuff is better?


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