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Different types of materials are possible to use for waterproofing of green roofs. One of these materials is bitumen sheet. Two types of bitumen sheets are used for surface treatment when applied in the roof vegetative structure. In the part where the bitumen sheets are under the vegetation layer, a fine grain gritting is used. In the part of the roof, where the bitumen sheet extends to the surface (above the level) of the vegetation stratum and is exposed to UV radiation, the coarse grain gritting is used. Water ...

This contribution deals with the verification of airflow in the real air gap of an insulated roof deck with a pitched roof. The designed construction of the roof meets the thermal technical requirements for an energy passive house. The aim of this contribution is a comparison of experimentally measured values with values obtained through a computer simulation. Double skin ventilated roof structures operate on the principle of the removal of moisture vapour by the flow of air. The flow of air is generated by the di...

This article is the continuation of the paper published at the conference SGEM in 2016. European product standards generally do not specify the qualitative requirements for individual product characteristics. EN 14695:2010, which deals with the waterproofing of concrete bridge decks, is not an exception. The national standard CSN 736242:2010 sets quality requirements for bitumen sheets. The type of the modification of bitumen coating is not considered in quality requirements of this standard - the mass modified by...