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4. Specific rules for asphalt shingle roofing in mountain climates
4.1 According to 1st edition of DTU 40.14
This May 1977 DTU text is the only one with a "Mountain" chapter applicable to roofing structures, i.e. :
by an altitude ;
for a normal snow load > 185 daN/m 2 , as defined by current NV 65 rules.
The mountain climate is nevertheless characterized by :
daily variations in surface temperatures ;
localized or distributed snow and ice loads;
...
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Specific rules for asphalt shingle roofing in mountain climates
Non-standard installation techniques for bitumen shingles
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Regulations
Arrêté du 19 janvier 2007 portant application aux bardeaux bitumés du décret n° 92-647 du 8 juillet 1992 modifié concernant l'aptitude à l'usage des produits de construction
Standards and norms
- Asphalt shingle sheets with cellulose felt reinforcement known as cellulose asphalt shingles – Specifications (Classification number: P39-301) - NF P 39-301 - 05-79
- Waterproofing – Flexible glass fabric-reinforced bitumen screed (TV) - NF 84-303 - 03-92
- Waterproofing – Flexible reinforced bitumen screed with glass fabric reinforcement self-protected by thermostable metal foil (TV-TH) - NF 84-316 - 03-92 ...
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