Henry 663, 1 Gallon Outdoor Carpet Adhesive bonds carpet (rubber, polypropylene and non-backed), artificial turf, indoor/outdoor carpet (for outdoor use only) to concrete, asphalt paving and other clean, sound paving surfaces (not asphalt roofing), exterior or marine grade plywood decking which is sound and not subject to deterioration (not plank decking or treated wood), aluminum boat decks (cleaned and roughened) and roughened fiberglass. Substrates which have been painted, stained or otherwise coated must be tested to ensure compatibility with the adhesive.