Product Calculator Product Calculator How many Form-A-Tread® Kits will you need for your installation? Length of Each Step (inches)*Total Number of Steps*Number of Treads Per Step*Width of Treads*0.5" Wide Tread1.0" Wide TreadNumber of 400ml Kits Needed.5" Wide TreadsNumber of 400ml Kits Needed1" Wide TreadsEmailThis field is for validation purposes and should be left unchanged. Contact Us 375 Morgan Street, Suite 1 – B, Phoenixville, PA 19460 610-994-2138 info@rgfmaterials.com