Material

EPDM (Ethylene Propylene Diene Monomer) — known for:

• Excellent UV resistance

• Weather and ozone resistance

• Shock absorption

• Waterproofing

Role in RE walls

• Acts as a cushioning layer

• Absorbs movement

• Prevents concrete-to-concrete stress

Typical specs

• Thickness: 20–22 mm

• Elongation: ~200%

• Tensile strength: ~12 MPa

• Hardness: 80 ±5 Shore A

• Weight: ~200 g

• Common sizes: 150×70×22 mm, 100×85×22 mm