Roof Slate Coverage

By taking advantage of the various sizes and types of slatescape roofing slate considerable cost savings can be made.

Roof slate coverage.

The most popular slate size in southern england is 500 x 250mm and 400 x 250mm in the north of england and scotland. Still roofs that perform better will generally cost less to insure because you re less likely to have a claim. 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. It could be as low as 15 for a roof near the end of its service life.

This means you will get a percentage of the replacement cost based on the roof s material and age. Allow from 2 to 15 additional slate depending upon the extent to which the roof is intersected by other roofs dormers walls other contingencies etc. Slate coverage cost. Repair coverage usually takes into consideration depreciation of the roof.

Divide the above total by 100 which will give the number of squares of roofing required. Roof pitch lap. The shallower the roof pitch the smaller the area of the roof slopes. Roof type and material insurers often factor the type of roof and quality of material into their rebuild costs.

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. Many insurers won t cover those that are over a quarter century old. Natural slate coverage how many slates per m 2 back to knowledge base.