Armstrong S-995 adhesive is a premium high-strength adhesive for installing commercial sheet and dimensionally stable commercial vinyl tiles and vinyl plank over porous and non-porous substrates. Armstrong S-995 is a solvent-free, acrylic adhesive suggested for use in demanding commercial installations. When used to install commercial sheet, seams can be heat welded after two hours and can be used under hospital beds. The low odor is ideal for occupied buildings.