Simultaneous assembly of a barrier light-concrete roof or ceiling is claimed which is provided with a vapour barrier material glued or suspended on the underside. The top surface of the concrete is, in addn., provided with a protective siloxane impregnation which is fully vapour-permeable. ...
A prefabricated roof construction module for flat roofs, or roofs with a gentle slope, has a covering layer (1), a heat insulation layer (17) and a vapour barrier (15) which are supported by beams (2, 6, 11, 12). The component parts are in intimate gap-free contact with each ...
Roofing for flat roofsThe invention relates to a roofing for flat roofs and is distinguished by felt (14) as a vapour-compensating material between the flat roof (10) and the vapour barrier (16). KUTSCH,EGON
Four identical flat roofs have been tested to the EN 1365-2 standard, insulated with Rockwool~R stone wool, stone wool combined with EPS, EPS only, and PIR. The roofs tested were typical structures used in Europe, made with trapezoidal sheet steel, vapour barrier, thermal insulation, ...
Though highly specialised, the work has already indicated when and where a vapour barrier is likely to be less significant than is often imagined.Hugo HensBatiment International, Building Research and PracticeHens H. Condensation in concrete flat roofs. Building Research and Practice 1978:292-309....
The minimum requirement for ventilation slot area was found to be an insufficient safeguard at low wind speeds, particularly in roofs without vapour barrier protection. At high wind speeds substantial heat losses from the cavity, accompanied by consequent increases in the thermal transmittance of the...
The flat roof structure of concrete has a number of roof rafters (12) at intervals on the vapour barrier (4) or the lower insulation layer (5) on it. One or more insulation layers (13,13'), which can support walking, are laid on the roof rafters (12). Struts (14,14'), on the...
Here the insulation is laid on top of the existing roofing felt which, perhaps having required repair, now functions both as vapour barrier and as watertight membrane. As there is only limited experience with inverted roofs under Danish climatic conditions, it was found essential that a ...
According to this process, a special, lightly-built wheel-loader is lifted by a crane onto the flat roof to be reconstructed, the gravel is removed by the wheel-loader almost down to the vapour barrier and is dumped into a rubbish pipe or into a rubbish box standing on the flat roof. ...
1. Roof construction for flat or gently sloping roofs with a sub-construction (1) and roofing membrane (6) of elastic sealing sheets loosely laid on this, if necessary with intermediate layers such as thermally insulating layer, protective layer, water vapour barrier etc., with the roofing ...