Our Recent Work

The demands of modern living exerts many pressures on our buildings and theyr uses, from additions needed to build to make them more user friendly, and in some cases, modern equipment installations.



Pitt Street, Sydney

412 Pitt Street, Sydney   Requirement: Inner city hotel. Mould issues on ceilings of 13th floor due to perished epoxy floor on flat roof.   Solution: After strengthening the slab using carbon fibre we applied sand and cement bed to falls. Installed PVC membrane and turned up parapets.   Materials used: Sarnafil G410-15L felt and […]

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Mosman – Concrete Repair

Mosman – Concrete Repair   Requirement: Concrete cancer on the balcony ceilings due to water seeping through the old tile beds   Solution: Remove tiles, tile beds, repair the concrete, waterproof the balcony surfaces and then add the finishes.   Materials: Sika Monotop repair mortars, Sika floor 400N  

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What People Say

Our company lives on its reputation so the greatest reward is the recommendation of our valued clients to others. Here’s what they’ve got to say.

ACOR Consultants Pty Ltd Troy Melville (Building Consultant) Keystone Building Solutions were the principal remediation builders on a large Sydney block of units at 30 Ewart Street Marrickville. The works were designed and documented by ACOR Consultants and subsequently Keystone were the winning tenderer. During our association with Keystone, we have found them to be reliable, dedicated and able to meet deadlines whilst maintaining their high performance of work. We would not hesitate to recommend Keystone for any future building remediation projects.
Tecorp Constructions P/L Wayne Lloyd l (HIA Member) Keystone Building Solutions have done a number of projects where waterproofing, especially sheet membrane has been required. We have found them to be professional, efficient and we have no hesitation in recommending them.
ProjectCorp Australia Pty Ltd Joe Vinci (Construction Director) Keystone Building Solutions provide us with our waterproofing solutions on all projects big and small. They came highly recommended and we also recommend them.

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