FIELD: construction, particularly vented roofs.
SUBSTANCE: vented roof comprises deck, vapor- and heat insulation means, vapor-permeable water-tight membrane of roll material overlapping each other and roof covering of steel profiled material laid on base and secured to roof frame through membrane. The frame is made of C-shaped profile having height selected to provide space between vapor-permeable water-tight membrane and heat insulation means. Widths of overlapped membrane web areas are determined as L≥S·γ/α, where L is overlapped membrane web area width, cm; S is distance between heat insulation means and membrane, cm; γ is limiting wetting angle of vapor-permeable membrane side, deg; α is roof inclination angle, deg.
EFFECT: increased roof covering base rigidity.
3 cl, 5 dwg
Title | Year | Author | Number |
---|---|---|---|
ADHESIVE-BOUND ROOF PANEL | 0 |
|
SU581217A1 |
ROOF COVERING | 1995 |
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PANEL ASSEMBLY ITEM WITH SEAM COATING | 2015 |
|
RU2576266C1 |
DOUBLE-LAYER METAL ROOF WITH HEAT INSULATION | 2010 |
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RU2426846C1 |
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|
RU2301868C1 |
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|
RU2403357C1 |
Authors
Dates
2008-04-10—Published
2006-07-03—Filed