No More Ply SBR Primer is used to seal the surface of No More Ply boards to improve the bonding strength of the tile adhesive. It helps to reflect heat which enhances the insulation value of the boards to make them better for use with underfloor heating. It provides a waterproof coating to make it ideal for use in wetrooms and bathrooms.
No More Ply SBR Primer can also be used as an adhesive additive for extra flexibility or as a general usage construction primer. It has the advantage over PVA based primers in that it is not adversely affected in wet conditions and is therefore recommended for exterior use.
A must-have for any tiler’s toolkit, this primer also enhances the physical performance of mortars including adhesion, durability, flexibility, waterproofing and workability. Adding this primer helps permit feather edging of repair mortars, and prepares backgrounds and substrates for wall or floor tiling. It is also useful as a primer before tile fixing, providing extra protection for peace of mind.