"Screw and glue" a floor??

[Joe87]

Hi,

 

 Probably a dumb question, but I plan to screw and glue 11mm OSB boards one on top of the other at 90 degrees angles for a floor.

This is the dumb question; I have some contact adhesive left over from the rubber roof construction. Can I use this for the glue part?? Obviously it'll be used to glue the two sets of boards together before being screwed down.

 

No problem if not, I just like to try and use what I have.

 

Thanks for any help

 

Joe

[markc]

Contact adhesive is far from ideal but better than nothing. Why two layers of 11mm? The extra work, especially all the extra screws and gluing large areas will be a pain.

[nod]

Better glued and ring nailed 

[Iceverge]

 

Might be better for wood.

 

 

[Joe87]

On 30/01/2023 at 20:33, markc said:

Contact adhesive is far from ideal but better than nothing. Why two layers of 11mm? The extra work, especially all the extra screws and gluing large areas will be a pain.

 

Its for a garden room. I already have a cement base and was planning on laying a vapour barrier, 100mm insulation (to bring the floor up to the door so there isn't a step) and then two lots of 11mm for strength. That's the plan anyway.

 

I did use some of the glue on two bits of OSB and its stuck solid. Couldn't pull it apart at all, so i think it'll be more then enough for the floor.

 

Would this impact expansion and contraction etc of the wood if they're glued together so solid?

[markc]

1 hour ago, Joe87 said:

 

Would this impact expansion and contraction etc of the wood if they're glued together so solid?

Nope, OSB is dimensionally stable so almost no movement in any direction