PreFloorTools.com offers a full range of heat weld guns and torches for the installation of commercial heat welded flooring. Starter kits from Crain and Tego — pro kits from Winkelman and Turbo. Hand groovers or electric grovers and Altro safety flooring grooving blades. PreFloor also offers Lister, Wolff and Turbo automatic welders or handheld Skiving knife with replaceable blades, quarter moon knife and Armstrong selvage trimmers! We have it all.