Goof Proof Shower Goof Proof Waterproofing Sheet Membrane Underlayment Outside Corner

Goof Proof Sheet Membrane Pre-Formed Outside Corners are made from the 20 mil Sheet Membrane waterproofing material and are used to insure a watertight seal on 90° corners. Safeguards against possible leaks. Attaches easily with modified thinset or Goof Proof Sealant GPSL-2000 · Goof proof sheet membrane waterproofing pre-formed outside corner · Insures a watertight seal on corners · Saves time during system installation · Goof proof sealant GPSL-2000