Slate has an average weight of 800 to 1 500 pounds per square.
Slate roof pros cons.
The main concern for many builders concerning the slate roofs is the cost of the slate as a material.
In some cases reinforcements can be used on weaker buildings to support the roof.
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.
The other concern is the complexity of the fitting process.
Cons of slate roof.
Slate itself is a sleek strong product that commands more on the open market than other roofing materials.
Slate roofs require too much dedication and attention as well as expertise allowing the few builders who can handle it to charge exorbitantly.
Therefore the home or building in question must be able to withstand such pressure.
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.
Although that cost may pay off in the long run some homeowners can experience sticker shock at first.
The main detraction of a slate roof is its cost.
Moreover the installation process is significantly labor intensive.
Slate is not cheap.
This is not very common but slate roofing is expensive so the cost savings is the most logical explanation for why the roof was covered with slate on the front side and asphalt shingles on the back side.
Slate is a quite heavy material.