Replace A Slate Roof Or Replace

There are several possibilities why your slate is cracking and falling.

Replace a slate roof or replace.

If damaged tiles are found all over the roof the tiles are probably too old to salvage and it s time to replace the roof. When repairing or replacing a slate roof original details affecting its visual character should be retained. Having said that we sometimes have to take stop gap measures with our roofs. When 20 to 30 of the slates on a roof need replacement it is usually more prudent to replace the entire roof than to perform expensive annual repairs.

Neither replacing a slate roof and reusing old flashings nor replacing flashings in a deteriorating slate roof is advisable. The cost to replace the roof on most homes is 4 000 to 10 000 and most spend about 8 000. The rule of thumb among slaters is to push for replacement once 20 30 of the slate has deteriorated beyond reasonable repair. Slate is a rigid natural stone product.

Before repairing or replacing an existing slate roof it is important to document the existing conditions and detailing of the roof using written visual and physical evidence so that original features can be identified and preserved. The cost can be more for larger homes homes with complex roof designs or when installing more expensive materials. Replacement on the other hand needs to take place at some point in the life of all slate roofs particularly those on older historical houses. Replacing a slate roof.

When replacement is necessary even a slate roof that has been meticulously maintained will need to be replaced during someone sownership. New slate roofs can cost as much as 900 per square 100 square feet installed. Many homes have an asphalt shingle roof but some have wood metal tile and slate which can be more expensive. Note the exposed nail hole which would have been covered by the next course in the original placement of this slate used for a repair.

How long does a roof last. Asphalt shingle roofs last 10 to 30 years on average metal roofs last 30 to 75 years and clay tiles copper or slate roofing lasts 50 to 100 years. If more than 10 percent of the total surface of the roof is damaged a. They should be on an appropriate timeline.

Compare that figure to say 60 per square for a standard asphalt shingle roof.