Slate Roof Weights

Weight per slate in kilogrammes in this table you can find the weights for the most common slate sizes and formats.

Slate roof weights. Some markets such as california and texas prefer a lighter weight slate roof. Slate roofing 3 4 inch slates. Slate roofing 3 8 inch slates. Felt tar and slag roofing 5 ply 5 3 lb m ft 2 25 9 kg m 2 ceramic slate 5 8 lb m ft 2 28 3 kg m 2 reconstituted slate 4 4 lb m ft 2 21 5 kg m 2 clay tile 10 8 lb m ft 2 52 7 kg m 2 asphalt roll roofing 1 1 lb m ft 2 5 4 kg m 2 concrete tile 9 3 lb m ft 2 45 4 kg m 2 slate 1 4 to 3 16 thick 9 1 lb m ft 2 44 4 kg m 2.

You can upgrade to slate without the concern normally associated with a slate roof s structural support requirements. Reduces weight to under six pounds per square foot. Walsh highlights that natural slates have a service life of greater than 100 years. Slatetec says that their system will reduce roof weight by 35 40.

Natural slate is the most durable roofing material. The benefits of slatetec. Slate roofs national slate association 1926. The reduction of roof weight less than six pounds per square foot also lowers structural costs contributing further to the system s high value.

Spray polyurethane foam closed cell. All the traditional slate roof options are available including. After a detailed research walsh exposed natural slate including cupa 3 to different weather conditions. While some of the more traditional slate markets such as illinois new york pennsylvania and massachusetts prefer a heavier 3 8 slate product.

This can pose a problem for homes that need a new roof as typically they were not built to withstand this amount of weight. One of the drawbacks of slate for some homeowners is the heavy weight of slate roofing tiles which can be between 800 1 500 pounds per square 100 square feet. Consequently not all homes have the structural support necessary to take the weight of a slate roof and often additional reinforcement needs to be installed. As mentioned natural slate tiles are extremely dense.

Slate roofs national slate association 1926. As a result geologist emphasizes natural slate durability to last over a century. Very similar to traditional installation techniques but with less slate overlap. Slate roofing 1 2 inch slates.

They can weigh between 800 and 1 500 pounds per square 100 sq. The slatetec system will reduce roof weight roughly 40 because it requires less slate the key to its cost effectiveness. Slate roofs national slate association 1926. S1 rated greenstone slate overall roof cost reduction.

500 x 250mm slate 4 5mm thick 1 889 kg x 18 8 at 75mm lap 35 51kg per square metre.