Flat Roof Insulation

Warm Roof Insulation 

Description:

- Removal of old roof covering and structure checked beneath with all structural work being corrected (if necessary).

 

 

- Installation of 100mm rigid foam board insulation.

 

 

- Installation of 18mm exterior wooden board.

 

 

- Firestone rubber roof covering put in place with all flashing kits installed to conform with a tiled or slate roof depending on roof surface.

 

 

- All fascia's, gutters and downpipes adjusted to fit new roof height as well as colour matched.

Benefits of warm roof insulation

- Warm flat roofs create little or no thermal bridging.                                            

- Warm roofs allows heat to be retained within the property.

 Warm roofs are simply insulated more efficiently than cold roofs

because of the way they are formed.

 

- When retrofitted, warm roofs can be considerably cheaper

to install than a cold roof. This means saving money that can be

spent on improving other areas of the building.

This ensures there is no unnecessary heat-loss through joints or

fixings.

- A warm roof is breathable, allowing moisture out.

A breathable roof ensures there is no moisture build up which can

lead to fungal or mould growth.

 

- A warm flat roof can be retrofitted without too many

complications. This means that in some cases (not all) the

roof can be fitted right over the existing roof.

 

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Cold Roof Insulation

Description:

1.Lay 12mm of plywood or OSB board across the timber joists as a base for the flat roof build-up

 

- Install a vapour control layer to reduce the risk of condensation and moisture compromising the flat roof structure

 

- Mark out on the vapour control layer where fixings will pierce the membrane (at rafter centres and at the correct axial spacing)

 

- Place butyl tape at each point where the vapour control layer will be pierced so the tape forms a seal after penetration

 

- Often dictated by the height available thanks to guttering, upstands and other adornments, lay rigid insulation board to the desired thickness

 

-Install a second layer of plywood or OSB board

 

-Fix the deck together with helical fixings, piercing each layer of the build-up including the flat roof insulation

 

- Finally, install a waterproof membrane to finish off the deck and protect the build-up from wind and driven rain.

 

 

Benefits of cold roof insulation:

•Warmer space during cold outside temperatures

 

•Cooler space during hot summer weather

 

•Reduced carbon emissions

 

•Reduced energy consumption

 

•Lower heating bills

 

•Improved energy rating

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Get in touch

Atrium House, Manchester Road,

Bury, BL9 9SW

0161 509 2429

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