Mapei ECO Prim Grip Multipurpose Bond-Promoting Primer

Mapei ECO Prim Grip Multipurpose Bond-Promoting PrimerPrepping a subfloor or substrate? ECO Prim Grip Multipurpose Bond Promoting Primer primes before self levelers, and seals porous substrates so the next coat bonds where it's supposed to. ECO Prim Grip is the bond promoter for tile over tile and other slick surfaces where mortar wouldn't grab on its own.

Available in brushed stainless and other finishes

With SPC it's less critical than with wood

creating a continuous waterproof envelope

and coverage determines whether your tile installation holds up or fails over time

the kit is what you want

water-based primer

0mm: Slim and stable — the thin profile doesn't raise the floor height enough to cause transition or door-clearance problems in most renos

and stable enough for whole-home installs including basements and bathrooms where other flooring categories can't go

Primary bedrooms — warmth underfoot

The top of the grate frame should sit flush with (or just below) the finished tile surface

and DITRA assemblies — so they're the right call whether you're waterproofing a traditional mortar-bed shower or a KERDI-BOARD build

Commercial viability: The 2