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SRS has been engaged to provide an insulated roof solution to this building
The original roof build-up was 20mm of hot pour bitumen over a negative fall concrete slab.

At some point in the past, the roof assembly had been covered with a timber roof frame and a concealed fastened metal roof with an internal box gutter.

The roof leaked continuously as the box gutter could never drain correctly – this led to water constantly pooling under the metal roof to a depth of 100mm in some locations.

 

The build-up solution is to remove the metal roof and framing, leave the hot pour membrane in place and provide the following layers;

 

• Mechanically fastened 60mm UHD XPS Foam Insulation to comply with section J1.3 of the NCC.
• A single layer of 200um polyethylene slip sheet.
• Reinforced sand and cement screed to 1% falls.
• Fully bonded Sika Sarnafil G41020L membrane

 

In addition, SRS is currently providing the following work;

 

• New 100mm drainage points to existing rain-heads.
• New 100mm emergency overflows.
• Rooftop plumbing upgrades including 19 copper vent stacks.
• 5 new skylight upstands in reinforced concrete to suit Velux flat roof solar-powered skylights.
• 3 new bathroom exhaust stacks in reinforced concrete complete with Fantech speed-controlled fan units and dedicated wiring back to the basement switchroom.
• New television cabling and antenna location.
• Concrete spalling repairs to the parapet.
• Vapour emission control ports.

 

The result will be a complete new insulated roof system with positive falls to all drainage points complete with new rooftop exhaust plant and automatic skylight systems.

 

SRS is a specialist applicator of insulated PVC roofing systems with a proven track record spanning decades — contact us today to discuss how we can help rectify, protect, & maintain your building.