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If you have a flat roof ........... read this!Traditionally Flat Roofs have been covered with roofing felt, lapped with bitumen sealant and covered with more bitumen to give some hold to chippings. Contrary to popular belief the chippings are not there to provide wind protection but are there to provide protection against the sun. Solar heat and UV radiation break down the bitumen, through contraction and expansion, allowing water, which is encouraged to stay on the roof by virtue of the chippings, to penetrate. Chippings also encourage the growth of algae and moss. Instead of flowing off the roof the water flows into the roof. Consequently very few traditionally felted flat roofs are totally effective for more than ten years and many start to pose problems in as little as five years. Replacing felted roofs in close proximity to thatch has always been high risk but this is not a problem with our flat roof system as there is no open flame or high temperature bitumen used during installation. Find out more about the Sarnafil 5-point system Registered Sarnafil Roof Assured Installer |
No more flat roof worries - ever! |
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Maintenance-free - Sarnafil's lacquered surface washes clean in the rain | ||
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PVC waterproofing - does not crack or rot | ||
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Unaffected by expansion and contraction | ||
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No chippings - No damage from moss or algae growth | ||
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Resistant to air pollution | ||
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Vapour-permeable - no blisters | ||
![]() Typical felted roof after just a few years.
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Solar reflective - no chippings |
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Ideal for installation near thatch | ||
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Choice of colour | ||
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BBA assessed to last in excess of 30 years. | ||
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Quick, clean installation by trained technicians | ||
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Effective Insulation - Warm in winter & cool in summer | ||
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Insurance backed guarantees | ||
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Hundreds of prestigious installations | ||

