classs a customs tpo 5 foot long x 8.5 foot wide tpo rv camper rubber roof kit repair class a customs classacustoms tpo single-ply membrane is the newest technology in rv roofing. it’s high level of strength, durability and resistance to uv rays, make it a natural choice for rv roofs. membrane ships folded depending on size of kit you will get one or two boxes (glue / membrane) remove membrane from box as soon as possible onto clean roof of unit. do not allow membrane to touch ground or dirty surface do not allow membrane to touch sharp objects or surfaces. membrane may be installed with either side facing the glue. classacustoms water base adhesive grows stronger and adheres more with age and is designed to bond epdm, pvc, tpo and hypalon to wood fiberboard, plywood, eps, any typical polyisocyanurate insulation, gypsum, concrete, etc. fast drying best when installed in air temperatures over 50 deg f (10 deg c) coverage 160-200 sq ft/gal (1side @ 8-10 mil) - may be applied by spray, roll coating, or by brush. classacustoms self-leveling silicone caulk is designed and formulated to provide excellent weather resistance. this compound provides good adhesion to a variety of substrates. putty tape is non-hardening, pliable putty tape which waterproofs overlapping metal seams. be sure to use all products before expiration date and do not allow products to freeze