With that in mind the team at cembrit have supplied this handy little guide to ensuring your fibre cement slates are fixed to perfection.
Fixing fibre cement roof slates.
Side lap gap the gap between abutting slates should be between 1 5mm most people these days quote 3mm up to a maximum of 9mm for fibre cement slates.
Cedral thrutone smooth are a low profile fibre cement slate that features a smooth surface and square cut edges for a sleek aesthetically pleasing finish.
With more cement and fibres than any other cedral slates are the strongest slates in.
There is normally enough wiggle room here to close or open the gap from 3mm to space out slates in their horizontal axis when first laying out a slate roof for adjustment purposes.
41 fibre cement slates fixing guide fibre cement slates fixing guide ci sfb 4 rf9 august 2011 marley eternit lim ited lichfield road branston burton on trent de14 3hd.
Formerly under the brand name of eternit we are the uk s most experienced company when it comes to fibre cement slates and are proud to have been putting roofs over heads for decades.
With only 9 7 tiles per square metre edgemere is a single lap solution that provides a quicker and easier to install option against natural and fibre cement slates and is compatible with our full range of ventilation and dry fix systems.
The next single verge slate will also require an additional hole for the tail rivet of the subsequent slate and a half.
They are particularly suitable to complex roof geometries.
Step 1 use a tilting fillet to make sure the underlay is supported behind the fascia so it doesn t sag between the rafter feet.
At south shore roofing a residential roofer company in savannah ga we know that fiber cement roofing is relatively cheap but there are some advantages and drawbacks of the material which should be considered carefully before.
With more cement and fibres than any other cedral slates are the strongest slates in the market and tough enough to withstand the most volatile weather.
Laboratory tests showed these products to have a similar density 1 4 g cm3 and flexural strength 617 psi below the minimum saturated modulus of rupture 798 psi listed in astm c1225 standard specification for fiber cement roofing shingles shakes and slates.
These verge slates require pre drilled holes for three nail and two rivet fixings in addition to an extra hole to allow the tail rivet for the course above to pass through the slate and a half.
The panels come in the form of roofing slates or sheets which the manufacturers shaped to look like wrinkled iron.