Balmain –  Concrete repairs and PVC membrane

Balmain –  Concrete repairs and PVC membrane

Problem: Old perished membrane system on flat structural roof slab with concrete spalling developing under membrane

Scope of work: Demolish existing membrane system and dispose, repair all concrete spalling/concrete cancer install new membrane system

Materials: Sika Monotop repair mortar for the concrete repairs and Sika Sarnafil PVC sheet membrane system

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Keystone has successfully helped many clients with various problems such as waterproofing issues, concrete repair, epoxy injection, epoxy floors, slab strengthening, from brand new build to heritage listed.

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