No more ply and joints

[Dumbo]

When I used NMP I followed instructions by putting a bead of their tubed adhesive in every 2mm joint between boards. Once it had set I then ran a stanley blade across to remove any excess. The adhesive is like an expanding foam, although not on that scale and is actually very strong.

Sounds like pu glue

 

[hmtiling]

When I used NMP I followed instructions by putting a bead of their tubed adhesive in every 2mm joint between boards. Once it had set I then ran a stanley blade across to remove any excess. The adhesive is like an expanding foam, although not on that scale and is actually very strong.

i've always glued and butted them together. I'm pretty sure there shouldn't be a joint between them.

 

[Flintstone]

There shouldn't be any joint spacing, bead of glue and butt them up

 

[hmtiling]

There shouldn't be any joint spacing, bead of glue and butt them up

That's what I just said

 

[Flintstone]

I was confirming as you didnt sound certain

 

[hmtiling]

I was confirming as you didnt sound certain

I was being diplomatic, I shouldn't expect you to pick up on that🙂

 

[Flintstone]

Diplomatic isn't my strongest area!

 

[SJPurdy]

I just found a Kascade wet room shower base "instruction" sheet which shows no more ply fitted to walls dot and dabbed and again there is no scrim shown.
The only place that I have seen where they specify scrimming the joints is when it is used to overboard a cracked concrete floor.
That said, I think that when I used to use it I always scrimmed the joints just like I would with any other board; it didn't take that long or cost much for a bit of extra peace of mind!

 

[Qwerty]

 

[Flintstone]

That prime with 3to1 for complete water proofing is a load of rubbish imo