We would recommend a different covering such as grp fibre glass.
Installing a grp flat roof.
Types of flat roofs.
This video deals with the basic construction of the timber decking c.
Fibreglassdirect offer a comprehensive flat roofing materials calculator to help you work out the exact materials required for your grp roof.
This is video 1 of 5 on how to install a grp fibreglass flat roof from start to finish.
Flat roofing materials cost of installation materials prices installation options longevity durability importance of insulation maintenance and repair unique applications and benefits energy efficiency environmental impact.
Grp flat roofs begin with a layer of catalysed resin being applied to good quality completely dry roof decking ideally osb3 wood.
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The flat roof is torch on bitumen with torch on flashing this roof has been patched repaired previously torch on felt roofs have an approximate life span of 10 12 years merely as a covering.
A classic flat roof is either almost completely level or has a very slight pitch of 3 in 12 inches or.
Avoid all forms of moisture and do not install a grp flat roofing membrane to a damp surface.
All you need is a rough size of the area you would like to cover.
The creation of a flat roof is a multi day process.
The installation of a grp roofing system is highly regarded for its simplicity and safety while the finished product it produces is recognised as having a lifespan that easily betters that of a felt roof.
While many will contact a professional installation company to complete the job there are others who will feel confident enough in their own ability to install a flat roof onto the structure.
As with the construction of any type of roofing system it s crucial to understand the correct process and essential criteria involved in flat roofing construction.
This is because it is a liquid material and can only be laid in dry mild conditions.
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Grp flatroofs are based in mid sussex and have been at the forefront of using this material for roofing since they began in 1998 and now install around three or four domestic roofs a week as well as commercial projects.
Using grp for roofing.
The most common reason that a fibreglass grp flat roof fails is because of delaminating.
If a grp roof is laid in particularly cold weather it is likely that the material will not cure.