Replace A Slate Roof Or Replace

Neither replacing a slate roof and reusing old flashings nor replacing flashings in a deteriorating slate roof is advisable.

Replace a slate roof or replace.

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. Lost slate replacement re using a slate salvaged from elsewhere is a reasonable repair but if going to the trouble of replacing a roofing slate let s use a replacement slate that itself is in good condition. Slate is a rigid natural stone product. There are several possibilities why your slate is cracking and falling.

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. They should be on an appropriate timeline. Broken or missing slates are easy enough to spot.

When replacement is necessary even a slate roof that has been meticulously maintained will need to be replaced during someone sownership. The cost to replace the roof on most homes is 4 000 to 10 000 and most spend about 8 000. 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. The rule of thumb among slaters is to push for replacement once 20 30 of the slate has deteriorated beyond reasonable repair.

Having said that we sometimes have to take stop gap measures with our roofs. When repairing or replacing a slate roof original details affecting its visual character should be retained. Compare that figure to say 60 per square for a standard asphalt shingle roof. New slate roofs can cost as much as 900 per square 100 square feet installed.

If more than 10 percent of the total surface of the roof is damaged a. How long does a roof last. 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. 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.

Many homes have an asphalt shingle roof but some have wood metal tile and slate which can be more expensive.