Roof Slate Coverage

The actual cost of a roof per unit floor area of the building is determined by a number of factors including roof pitch slate size and head lap.

Roof slate coverage.

Roof type and material insurers often factor the type of roof and quality of material into their rebuild costs. The shallower the roof pitch the smaller the area of the roof slopes. Roof pitch lap. Slate coverage cost.

Many insurers won t cover those that are over a quarter century old. Divide the above total by 100 which will give the number of squares of roofing required. Unless it s made of a material with famed longevity like slate a roof depreciates with each year. Read your policy carefully.

From your chosen size of slate and headlap calculated using our headlap tables use this coverage table to calculate how many slates per m2your roof will require. By taking advantage of the various sizes and types of slatescape roofing slate considerable cost savings can be made. It could be as low as 15 for a roof near the end of its service life. Roofs made of slate tile concrete shingles or metal offer the best protection but also cost the most to replace.

The most popular slate size in southern england is 500 x 250mm and 400 x 250mm in the north of england and scotland. This means you will get a percentage of the replacement cost based on the roof s material and age. Repair coverage usually takes into consideration depreciation of the roof.