Grippa Bridging Coat - Wall primer

Grippa is suitable for most mineral backgrounds, even some where a conventional undercoat would not bond; however bond testing may be necessary, at the discretion of the project manager.

Grippa can be applied with a trowel or thrown on, or sprayed with a hopper gun. Apply Grippa at a thickness of approximately 3 to 4 mm in temperatures of between 3°C and 30°C. When thrown or sprayed on leave Grippa as a rough, cast-on texture. If applied with a trowel, leave it for a few minutes before using a stiff brush or the edge of a trowel to roughen up the Grippa to create a heavily textured surface. Once mixed, use Grippa within 30 minutes and do not re-mix or re-work it. Do not use Grippa to build out or flatten the background.