Adhesive coat for porous materials. (Line 210)
Hechtgrond No 8425 is a Modified polyvinyl based emulsion used as an adhesion coat for porous materials. Hechtgrond No 8425 provides an excellent adhesion between old concrete and new plaster.
Suitable for bonding new plaster on to old plaster. This product is intended for use by professional contractors.
Brush, roller or airless spray.
1 US Gallon (3.785 Liters)
Clean brushes and rollers with clean water after use. Spray equipment should be cleaned with water and given a final rinse with White Spirit.
Use with adequate ventilation. Avoid contact with eyes and repeated contact with skin. Wear eye protection and gloves during application.
If you experience difficulty in breathing, leave area immediately. In case of eye contact, flush with plenty of water. In case of ingestion, do not induce vomiting. Get medical help immediately.
Surface must be clean, free of loose paint, chalk, grease and dust. Patch damaged areas and chalk open joints. If any areas are peeled, cracked or blistered, the condition causing this must be corrected for successful painting. Metal parts such as nail heads, should be wiped clean and primed with the appropriate metal primer. New plasterwork (PH greater than 10) has to cure properly and should be primed with one (1) or two (2) coats of AVF Wall Sealer. If mildew is present remove all traces with a solution of Ammonia. CAUTION: use protective clothing and work goggles when applying Ammonia solution. WARNING! Scraping or sanding of old paint may release lead dust. LEAD IS TOXIC. EXPOSURE TO LEAD DUST CAN CAUSE SERIOUS ILLNESS. PREGNANT WOMEN SHOULD AVOID EXPOSURE. New plaster must be allowed to cure (30-60 days).