Can we install directly over gypsum-based substrates?

It is recommended to prime the surface of gypsum-based substrates with Primer T diluted at 2:1 (two parts water, one part primer) or ECO Prim Grip primer.

Products

Primer T
Primer T
Primer T is a low-VOC, magenta-colored, water-based acrylic primer that…
ECO Prim Grip
ECO Prim Grip
Multipurpose, Bond-Promoting Primer ECO Prim Grip is a ready-to-use, low-VOC,…

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