Roberts First Step Primer

Roberts First Step Primer The Roberts First Step Primer is a ready-to-use, single-component acrylic latex primer formulated to condition dry substrates and promote optimal adhesive bond performance. Features Its acrylic latex formulation requires no dilution Prepares dry substrates for improved adhesive bonding Used on porous substances Approved for APA-rated underlayment grade plywood and OSB, cement backer board, concrete, acoustical concrete, gypsum and lightweight concrete, floor patch, and radiant heated floors (surface temperature < 85°F / 30°C) Curing time: approximately 30–60 minutes VOC content: 0 g/L Moisture tolerance: up to 5 lbs. MVER and 85% RH Coverage: approximately 350–400 sq. ft. per gallon Shelf life: 2 years