F74 Polyurethane Flooring Adhesive. STYCCOBOND F74 is a single pack, moisture curing polyurethane adhesive suitable for fixing floorcoverings and for seaming synthetic grass carpets. It is water resistant and although it is suitable for outdoor use, it is not intended to be used as, or a substitute for a surface damp proof membrane. It is resistant to oil and grease and is suitable for use over normal underfloor heating systems. STYCCOBOND F74 can be used for securing needlepunched / fibre bonded carpets, synthetic grass carpets, PVC, latex, polyurethane and rubber backed carpets, vinyl and rubber floorings.