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.
Slate pitched roof.
Economically priced and available in either blue or black it can be pitched at 15.
Roof slates at burton roofing merchants we stock a wide range of cupa pizarras natural slate roofing tiles that are perfect for repairing your existing roof or installing a new sloping roof.
Slate is a natural material with unmatched technical features which lasts over 100 years.
Headlap as defined in the national slate association s slate roofs design and installation manual 2010 edition is the length in inches of the upper portion of a roofing slate that is covered by the butt of the slate two course above.
The marley thrutone slate is a perfect example of a low roof pitch option.
Roofing materials at a glance.
Many problems that arise from the installation of a low pitch roof derive from poor installation or lack of maintenance.
The headlap of the slate is adjusted according to the roof pitch.
Pitched roofs are most often associated with asphalt shingles although standing seam roofs are becoming ever more popular on pitched roofs as well.
It is agreed that the roof pitch should be a minimum of 20 degrees preferably a bit more.
Traditionally a minimum roof pitch of 20 was recommended in bs 5534 but modern tiles and slates have now been designed for applications as low as 15.
Shingles can be fabricated from a wide range of materials such as asphalt least expensive to natural wood metal tiles and heavy slate most expensive.
Pitched roofs are a brilliantly versatile and efficient choice for any building offering energy saving benefits easier rainfall drainage and a long lifespan.
Products in this category 4 9 5.
When slating with a shallow pitch a wide slate is highly recommended for maximum side lap or lateral lap side overlaps.
So whether you re looking for pitched roof insulation or ventilation pipe flashing or tiles we ve got everything you need for your next big project.
Generally speaking 20degrees is the lowest advisable pitch for a slate roof depending on the size of the slates and how much that the roof is exposed to moderate weather conditions.
You consider some alternative solutions.
What are the challenges of a low pitch roof.