Henry 573 Blueskin LVC Spray Primer is a quick drying, low VOC (Volatile Organic Compound), rubber-based primer. It is designed to enhance the bond of peel and stick air barriers and waterproofing membranes, and also to bond system accessories, such as drain board, filter fabric, and polystyrene to masonry, wood, gypsum board, concrete, DensGlass sheathing and metal surfaces. It contains no chlorinated solvents and offers an excellent alternative to methylene chloride-based products. Henry 573 Blueskin LVC Spray Primer is the surface preparation of choice on above and below grade applications where a quick setting, aggressive tack, is required.