Slate has an average weight of 800 to 1 500 pounds per square.
Slate roof pros cons.
Therefore the home or building in question must be able to withstand such pressure.
The main concern for many builders concerning the slate roofs is the cost of the slate as a material.
While a slate roof is built to last these tiles can be rather fragile.
Although that cost may pay off in the long run some homeowners can experience sticker shock at first.
Slate is a quite heavy material.
Cons of slate roof.
Slate itself is a sleek strong product that commands more on the open market than other roofing materials.
The main detraction of a slate roof is its cost.
Slate is also fragile and can crack easily when too much pressure is applied which can make it difficult to walk on the roof.
Because slate roofs are made of a premium material that is durable long lasting and beautiful having a slate roof can increase your house s value.
The other concern is the complexity of the fitting process.
This is especially helpful when selling your house as it can help you command a higher price than a comparable house with an asphalt roof.
Moreover the installation process is significantly labor intensive.
If a non professional climbs on your roof and walks around you may end up needing to replace some tiles.
Slate is not cheap.