How Often Should A Slate Roof Be Replaced

Some slates have been known to last over 200 years.

How often should a slate roof be replaced.

However as with all building materials they will eventually begin to degrade. There are a number of factors that will extend or limit the lifespan of a slate roof. Replacing a slate roof. This is not the case.

If more than 10 percent of the total surface of the roof is damaged a. Dont know if that helps any but im sure a roofer will be along shortly. Two major signs of imminent roofing replacement are powdering on the underside and major delamination or flaking. Slate roofs like all roofs should be inspected annually.

Roofer i do some work with says as a guide usually 50 of the origional slate can be reused and the rest would need to be new. By contrast when you put up asphalt shingles you can expect them to last 12 20 years at best. 28 january 2009 at 7 26pm. An annual inspection is prudent as repairing small defects such as broken tiles or loose fastenings will ensure a long lasting roof.

Slate is a timeless roofing choice and many older buildings have retained their original slate roofs as they are generally quite hardy and long lasting. Because slate is often called a 100 year roof homeowners sometimes assume that it doesn t need maintenance for a century. A slate roof can generally last at least 80 to 100 years with many lasting much more than that. The suburban skyline roof.

Consequently you will end up spending at least double the amount and probably more than it would have cost you to initially install a metal roof. After 45 75 years slate roofing is rarely subject to an entire roof replacement. The rule of thumb among slaters is to push for replacement once 20 30 of the slate has deteriorated beyond reasonable repair. 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.

Cracked broken loose or missing slates should be replaced as soon as possible by a roofer experienced in slate work. The type of slate the quality of the slate roof pitch and weather conditions are some factors that can affect how long a slate roof will last. You need to know what to look for to judge if the time is right for a roof replacement. Installed properly slate roofs require relatively little maintenance and will last 60 to 125 years or longer depending on the type of slate employed roof configuration and the geographical location of the property.