Flat Roofs

Bitumen, mastic asphalt and single ply membranes.
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Roofing: Tiles and Slate | Thatch | Timber Shingles | Flat Roofing | Green Roofs | Lead | Ventilation + Accessories | Guttering | Sheet Cladding | Insulation | Timber Frame|

Flat Roofing

Generally laid to falls at 1 in 40 (min 1 in 80) -this can be achieved using firrings to achieve a sloping substructure or cut to falls insulation. Types -built up felt, mastic asphalt and single ply membrane; the high performance membranes will give a much longer life than traditional felt systems but will require specialist contractors.
 
There are two types of generic make up -a cold roof where the insulation sits below the membrane and a warm roof where it sits above. Cold roofs may require ventilation depending on the construction. Warm roofs are now more common to comply with Part L of the Building Regulations.
  • NFRC -the National Federation of roofing Contractors -useful listing of contractors by region.
  • Roofconsult -householders guide to Flat Roofing.


Featured Supplier:

Flat Felt Roofing DVD (Torch-on Application)
Professionally produced by MC Video and presented by a specialist with a lifetime of experience in the felt roofing industry. This single DVD covers all safety issues and illustrates, chapter by chapter, a complete three layer system of the torch on application of felt roofing materials including flashings to the drip edge, side fascia, parapet wall, adjacent tiled/slate roof, box gutter, skylight and soil/pipe details. A wealth of forty years experience and knowledge plus FREE email customer support. 


Membrane Manufacturers

  • Anderson Monarflex -makers of Icopal Sure-Weld TPO -an advanced Thermoplastic Polyolefin waterproofing solution that combines the flexibility of rubber with the durability of heat weldable seals. and FireSmart Single Ply - a non-flammable SBS polymer modified bitumen, the first roofing membrane system approved by the Loss Prevention Certification Board
  • Bauder -manufacturers of single ply membranes and green roof systems.
  • TBS Elastomers -Ecoseal EP thermoplastic polypropylene roofing membranes do not contain harmful chemicals such as toxins, dioxins, halogens or plasticisers.
  • Marley Waterproofing -site aimed at the DIY market, explaining the use of their felt roofing systems.
  • Ruberoid -leading UK manufacturer and supplier of high-performance integrated waterproofing solutions, including built-up flat roofing systems, pitched roof underslatings and breather membranes and roofing shingles.
  • Sarnafil -part of the Sika Group, Sarnafil was a pioneer of single ply roof membranes.

Rainwater outlets

  • Caro -comprehensive range of roof and floor drainage outlets, including traditional spigot, balcony and compact outlets.
  • Harmer -roof outlets from Alumasc.
  • Wade International -manufacturer of quality drainage products - floor gullies, floor drains, roof outlets, grease converters and gratings.

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Featured books:

Manual of Low-Slope Roof Systems
C.W. Griffin and Richard Fricklas
Hardcover
Price in UK pounds
Price in US dollars

Planting Green Roofs and Living Walls
by Nigel Dunnett, Noel Kingsbury
Hardcover
Timber Press
Price in UK pounds
Price in US dollars

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