Permastop Is a Substrate with the following uses:

• Resists extreme hydrostatic pressure from both the positive and negative side of the substrate
• Resistant to aggressive chemicals i.e. oil, salt water, alkalis, certain chemicals, weak acids and aggressive sulphate soils
• Becomes an integral part of the substrate - deep penetration
• Self-mending when punctured or torn and is not subject to deterioration. It is therefore permanent.
• Does not require protection when backfilling
• Can be applied to moist surfaces
• Can seal static hairline cracks
• Increases the strength of concrete by up to 30% dependent on quality of original concrete
• Waterproof but not vapour proof

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