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EPDM Waterproofing Membrane System
Preformed EPDM rubber sheets for long-life waterproofing
Waterproofing That Survives Weathering and Ageing
Long-life waterproofing must tolerate movement,temperature cycling, and outdoor exposure without cracking or losing elasticity.
EPDM membranes are built for this with high elongation, tear strength, and resistance to ozone, UV, and heat ageing—supporting extended service life.
How EPDM Membranes Are Installed and Sealed
Substrates are mechanically prepared, cleaned, and repaired using polymer-modified mortar cured for at least 72 hours.
Expansion joints are treated using a compatible sealant, then datum lines are marked for accurate sheet alignment.
A two-component rubber adhesive is applied thinly on both substrate and membrane back; sheets are laid once the adhesive turns surface-dry (tacky).
Adjacent sheets are overlapped by at least 50 mm, and damaged areas are patched with a piece extending 2 inches beyond the defect on all sides.
Rubber Adhesive
Joint & Patch
Performance at a Glance
Elongation & Flexibility
Elongation >300%
Stretches to handle movement.
Weathering Resistance
Resistant to ozone and UV
Withstands outdoor exposure.
Heat Ageing Tolerance
Maintains elongation after ageing
Supports long service life.
Chemical Resistance
Resists acids, alkalis, oxygenated solvents
Suitable for harsh environments.
Where You’ll See the Impact
Swimming Pools
Pools, wet zones
Basements
Basements, foundations
Podium & Raft Slabs
Podiums, raft slabs
Residential Terraces
Medium-large terraces
Water Bodies
Lakes, reservoirs, canals
Landscape Decks
Terrace gardens
Operational Wins
Long service life
High elongation supports durability after ageing.
Low maintenance
Zero maintenance when fixed per method.
Reliable overlap sealing
Minimum 50 mm overlaps improve joint integrity.
Quick tack installation
Adhesive turns tacky in about 10 minutes.