Sarnafil membrane are not affected by the extremes of heat and cold due to the way the material has been manufactured.
Sarnafil flat roof falls.
This creates a very tough surface for your flat roof that can withstand everything our climate throws at.
Some flat roofing systems where the waterproofing and thermal insulation are assessed together have third party certification to say that zero falls is acceptable.
The concern over flat roofs being designed with zero falls is shared throughout the flat roofing industry and acceptance seems to be made based on commercial monetary benefits instead of technical product developments.
This can be created through a couple of different options including.
Tapered insulation this is a lightweight effective and convenient way to create a fall for a flat roof especially on a concrete deck which is installed level when using a single ply roofing.
Flat roofs might look flat but actually they should have a slight gradient.
Firrings it is normal practice for the joists of a flat roof to be set level thus creating a perfectly level ceiling.
Our high performing single ply roofing solutions offer unrivaled reliability and longevity.
The fall of the roof may be created in the structure itself by laying the supporting beams or joists at a slope giving a sloping soffit or by installing tapered beams with horizontal soffits.
Good practice guidance recommends that flat roofs defined as 10º should not be completely flat and should be designed with adequate finished falls to ensure the completed roof drains freely.
One it as well as any debris falling on it from a height.
Many other products such as grp and epdm flat roofing systems have been adapted for flat roofing applications from other uses.
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Correct design listed below are excerpts from various official documents which condemn zero falls.
However back falls are not acceptable and should be avoided so as not to cause ponding and place undue stresses on the roof structure.
Tapered insulation can be used to introduce additional or new falls to an existing flat roof in order to ensure effective drainage.
Our sarnafil plus service will provide compliant sarnatherm insulation either flat or tapered along with all necessary thermal calculations condensation risk analysis and for tapered a full layout drawing.
