LDOPRIME 708 is an multi purpose acrylic primer developed to promote superior anchorage for roof coating topcoats over a variety of substrates, in particular spray polyurethane foam while offering environmentally safe working conditions. ALDOPRIME 708 has excellent resistance to heat, cold, moisture and weathering.Recommended UsesALDOPRIME 708 may be used as a prime coat over a wide range of substrates which include, but are not limited to, wood, metal, concrete, masonry, various single ply membranes, spray polyurethane foam and most commonly used roof coatings. It is pigmented black or dark gray to speed the curing process and increase roof surface temperature before application of spray polyurethane foam or roof coatings. The environmentally safe formulation makes ALDOPRIME 708 the ideal solution for indoor applications.