Standard roofs are laid in uniformly spaced horizontal courses with alternating vertical joints carefully aligned.
Standard roof slate sizes uk.
If your property s roof is in the green moderate part of the uk but you know of prevailing bad winds or weather you may wish to use the other chart instead.
As a guide a slate of 500 x 250 sizes uses a slate and half of 500 x 375.
This roofing standard covers the laying and fixing of clay tiles concrete tiles natural slates and fibre cement slates as well as their associated fixings and accessories.
At the verge outer edge of the roof it is general practice to alternate courses of standard size slates and the slate and half s which are 1 5 the width of normal slates.
All sizes are in inches length and then width.
Companies who are well versed in both british standard 5534 and bs 8000 part 6 will ensure they have the right level of experience to install a natural slate roof.
Slate roof tiles can range in size from 12 length x 6 wide up to 24 length x 12 wide.
Standard uniform slate roofs standard slate roof systems are comprised of 1 4 3 8 slate of one standard length and width and with square cut butts.
Nominal 3 16 inch 5 mm to 1 4 inch 7 mm.
Minimum slate headlap moderate weather this table of slate overlaps and roof angles shows common sizes of roofing slate and the recommended slope for the corresponding slate size.
It soon became the industry standard and lasted for over two centuries.
Slate roof tiles are rectangle in shape but can be trimmed into special shapes such as clipped corners diamond fish scale and hexagon.
The slate roof has a striking quality due to its colour.
Regardless of the application bs 5534 graded battens should be used on all roofing applications.
It is mandatory on all nhbc sites if you are part of the competent roofer scheme and when batten is being used as a secure foothold.
Slate and tile roofs require different size battens.
It gives buildings a high quality appearance because of this.
It was partially superseded by bs 8000 0 2014 but remains current.
They are used to maintain the half bond needed.
Slate can only be installed onto a pitched roof at the minimal level recommended above and depending on the complexity of the structure can take anywhere from one week up to a few.
Special sizes such as slate and a half can be ordered to reach into valleys gable ends hips and dormers.
This system of naming slate sizes after female nobility was devised by general hugh warburton at penrhyn quarry in 1738.