Tubetak Pro Liquid Foam Adhesive is a super-strong, urethane-based adhesive that comes in a tube and applies easily with a standard caulking gun. Tubetak Pro is suitable for air shipping.Tubetak Pro provides a permanent bond and one tube mounts up to 32 square feet of foam or diffusors, depending on thickness. Other brands of liquid adhesive have been known to oxidize in. eat in. foam, but Auralex guarantees that Tubetak Pro will not oxidize Auralex foam products. Tubetak Pro Liquid Adhesive may be purchased in any quantity needed. Strong permanent bond Ceiling* and wall installations Low VOC content Calk gun and putty knife required