The basic object of the house or home is to provide shelter.
Roof function of roof.
Different elements and parts of the roof provide protection to the structure s interior and exterior.
The roof is the uppermost portion of the building.
A roof is an essential covering that is placed on houses and buildings and even such items as automobiles.
The roofs can be either flat or sloping.
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A roof must be strong to withstand snow and wind load.
The earliest roofs constructed by man were probably thatched roofs that were made of straw leaves.
To shed water i e prevent water from standing on the roof surface.
It may provide any or all of the following functions.
Collar ties rafter ties tension beams structural ridge beams.
Water standing on the roof surface increases the live load on the roof structure which is a safety issue.
Container gardens on roofs where plants are maintained in pots are not generally considered to be true green roofs although.
Some of these can support the roof and prevent ridge sagging and wall spreading.
Roof covering of the top of a building serving to protect against rain snow sunlight wind and extremes of temperature roofs have been constructed in a wide variety of forms flat pitched vaulted domed or in combinations as dictated by technical economic or aesthetic considerations.
In roof construction a roof is covered by covering materials which are supported on a structural member.
A strong roof supported by a roof truss is a healthy functional roof and with that comes the ability for the roofing system to properly deflect harmful uv rays preventing uv radiation from penetrating the home.
The basic anatomy of a green roof consists of vegetation growing medium filter membrane drainage layer waterproof root repellant layer roofing membrane support for plantings above thermal insulation vapor control layer and structural roof support.
A roof assembly has more than one function.
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All three types of roofs require specific layers of roofing materials not found on regular roofs.
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That amount can be cut in half to 1 square foot of vent area to every 300 square feet of attic space if the ventilation is balanced on the roof with 50 of the ventilation placed low on the roof near the eaves and the other 50 placed high near the ridge or peak.
A roof truss is a functional element of a roofing system that gives way to multiple benefits for a homeowner.
This article describes and illustrates the different types of support that prevents roof sagging and wall bulging at buildings including definitions of collar ties rafter ties and structural ridge beams.
