Slate Roof Cross Section
The normal spacing between rafters about is 400mm 16 inches the closer spacing will allow small section rafters and batten that are fixed to the rafters to locate fix the slates or tiles to be used.
Slate roof cross section. 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. Performance landmark slate 10s have been rigorously tested in the group wind tunnel where combinations of high wind and driving rain are used to determine the slates performance with respect to wind. It consists of a heavy rectangular knife blade with a large point of square cross section protruding from the poll or butt. 7685988 vat no.
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 necessary. You consider some alternative solutions. It is agreed that the roof pitch should be a minimum of 20 degrees preferably a bit more. 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.
2011 concrete roofing tiles and fittings for roof covering and wall cladding product specifications. 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. The blade edge is used to split slate while the point is used to pierce square holes for mounting the slate on the roof with square copper nails or making a series of small holes marking a line where the slate is broken over a slater s iron. The system provides all of the advantages of insulated panel technology with the aesthetic appeal of a traditional vernacular roof finish.
Landmark slate 10s conform to bs en 490. Mar 9 2014 explore chantal bruvels s board mansard roof on pinterest. 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. Kingspan ks1000ts slate tile support roof system featuring nulok slate tile support is an advanced insulated roof panel system designed to support either slates or tiles.
Russell roof tiles is the trading name of russell building products limited. A couple of likely slate suppliers are consulted and they confirm that they are happy to supply 600x300mm slates for a minimum roof pitch of 20 degrees assuming a minimum lap of 125mm.