Slate Roof Cross Section

It is agreed that the roof pitch should be a minimum of 20 degrees preferably a bit more.

Slate roof cross section.

The system provides all of the advantages of insulated panel technology with the aesthetic appeal of a traditional vernacular roof finish. 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. 7685988 vat no. Mar 9 2014 explore chantal bruvels s board mansard roof on pinterest.

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. Westminster slates conform to bs en 1304 2013 clay roofing tiles and fittings product definitions and specifications. 2011 concrete roofing tiles and fittings for roof covering and wall cladding product specifications. It consists of a heavy rectangular knife blade with a large point of square cross section protruding from the poll or butt.

Roof covering typically of flat and rectangular shapes and made of various materials such as slate wood flagstone. Russell roof tiles is the trading name of russell building products limited. 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. 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.

See more ideas about mansard roof roof roof design. You consider some alternative solutions. 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. 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.

Landmark slate 10s conform to bs en 490. 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.