Engineering Works Re-Roof
Replacing an asbestos roof and walls with insulated twin-skin cladding that meets current thermal standards.
The problem
A specialist engineering firm’s building had an asbestos cement roof with discoloured rooflights, corroded hook bolts and leaks in many places. The wall cladding was cracked and damaged too. The roof was beyond economic repair.
The solution
We removed the asbestos roof and wall cladding and issued a certificate of disposal. The new twin-skin roof has a 0.7 mm liner, an Ashgrid spacer system, 220 mm of quilt insulation and a 0.7 mm outer sheet, with rooflights increased to 20% and new trimline gutters. The walls were re-clad with an insulated twin-skin system using 160 mm of quilt.
The result
A warm, watertight building brought up to current U-value standards, with much more natural light inside.
On the roof.
Explore more of our work.
More from our roofers.
Photographs from other roofs our team has refurbished. Select any image to enlarge it.
Guides and project stories.
GuidesAsbestos cement roofs: your options for removal, over-cladding and re-roofingOptions for ageing asbestos cement and fragile roofs: removal, over-cladding and re-roofing, how safety is managed and how to add solar.Read the article 
GuidesShould you re-roof before installing solar? The case for doing both togetherWhy roof condition matters before solar, how a combined roof and solar project works, and the warranty when we fit the roof and the solar.Read the article 
Renewable EnergyOne roof, one array, one 30-year warrantyHave Cornerstone fit your new roof and install your solar, and both are covered by a single combined 30-year warranty.Read the article Roofing and cladding from Cornerstone.
Re-roofs, asbestos removal, flat roofs and planned maintenance, with solar added when it makes sense.
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