2011 concrete roofing tiles and fittings for roof covering and wall cladding product specifications.
Slate roof cross section.
1 or plain tiles of fig.
10 and 11 are cross sections taken along the lines a a and b b respectively of fig.
Performance westminster slates have been rigorously tested in the group wind tunnel where combinations of high wind and driving rain are used to determine the tile performance with respect to wind loading and weathertightness.
Westminster slates conform to bs en 1304 2013 clay roofing tiles and fittings product definitions and specifications.
The cross section dimension of rafter timber will depend on their length from the wall plate to the ridge the type of roof covering and whether purlins are incorporated in the roof.
Slating terms and phrases if you are not a seasoned roofer some of the terms used for slates batten spacing or overlapping of the slates can add to the confusion.
It consists of a heavy rectangular knife blade with a large point of square cross section protruding from the poll or butt.
12 is a diagrammatic cross section through a roof structure tiled with the concrete slates of fig.
Landmark slate 10s conform to bs en 490.
It is considered more economical to keep a rafter cross sectional dimension as low as possible however where open roof space is needed larger rafters will be.
Roof pitch the angle of a roof not only determines what slates to use but the amount of overlap that the slate roof needs to remain waterproof.
Nhbc standards would be reliable but in this instance they don t really provide enough information.
Roof covering typically of flat and rectangular shapes and made of various materials such as slate wood flagstone.
Table 12 states that the minimum pitch for double lap slate roofing is 20 degrees subject to headlap but it gives no further explanation regarding the circumstances in which the minimum would apply.
13 is diagrammatic perspective view of a tiled roof tiled with the slates of fig.
Custom cross section diagram of a house roof showing the many different parts of a residential roof including structural parts the various layers exterior and various roof features such as skylight and chimney.
Residential and commercial roofing shingles slate roof ventilation roof underlayments asphaltic and tpo roof membranes.
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