dot & dab foil back boards

[iaith]

Can you get away with dotting and dabbing foil backed boards, or is it a definite no no.
Thanks.

 

[roy c]

I've never heard of anyone who has successfully done it....

 

[PrenticeBoyofDerry]

the only way, i can see around it is by D'n'B but also fixing with raw plugs to keep secure, you can do this with thermal boards. http://www.british-gypsum.com/produ...ies/gyproc_fixings/gyproc_nailable_plugs.aspx

 

[joe-90]

Dot and dab in long lines imitating joists spaced at regular intervals. When it's dry put a few screws through the board, through the dab and into the wall.

 

[Richard C]

A definate no no; you can’t rely on just adhesive, the bond will only as strong as the foil to the back of the board. I’ve used the “through fixing” method after the adhesive has gone off on both Duplex & cement based tile backer boards but I use frame fixings rather than nailable plugs which can disturb the adhesive. You must make sure you fix through the adhesive dabs into the wall & not through fresh air.

 

[iaith]

Thanks for all your answers . I think i'll give it a go, with plenty of adhesive and screws. Cheers

 

[Richard C]

I think i'll give it a go, with plenty of adhesive and screws. Cheers

You don’t need to go too mad with the adhesive; in this case all it’s doing is holding the boards in place on the wall until you make the mechanical fixing, it’s the screws that will be supporting the boards.

Apply the adhesive in strips, as joe 90 suggests & space the screws at least every 300mm, both horisontally & vertically; don’t mess about with plugs use through (frame) fixings.

 

[iaith]

Thanks. R C