Divergent Timberstick AF adhesive is designed to be used with engineered hardwood. It can also be used for felt backed vinyl sheet installation. It is solvent-free and nonflammable. It comes in 4 gallon containers. It can be used on concrete, APA registered underlayment grade plywood; terrazzo; Portland based underlayment, lightweight concrete; radiant heated subfloors where surface temperatures do not exceed 85° F. For more details about this adhesive, please check Divergent Timberstick AFAdhesive Brochure.