Why Your Shower Pan Cracks: Structural Physics & Creep Expla
Why is Your Shower Pan Cracking or Failing to Drain Properly? Reference Standard: IAPMO Z124 (Plastic Plumbing Fixtures) and ASTM D256 (Izod Impact Resistance) Short Answer Shower pan failure is typically caused by localized structural deflection resulting from a modulus mismatch between the base ribbing and the subfloor. Over time, viscoelastic creep from thermal cycling … Read more