Roof Tile R Factor

If you need a new roof tile roofing can be a great investment.

Roof tile r factor.

A new tile roof can cost a lot of money. How to use our roof tile calculators. You don t have to be a mathematician or qualified tradesman to use our calculators. The average waste factor for clay roof tiles is between 10 and 15 percent although this number may be higher.

Although ceramic tile roofs are expensive they can have a life span of over 100 years. Tile is durable and it withstands a lot of the damage that the phoenix summer can throw at it such as the intense rays of the sun and the high winds and hail of the monsoon season. Shingle roofs typically have a life span of 15 30 years while membrane roofs usually last 5 15 years. Roof pitch is the measurement of a roof s vertical rise divided by its horizontal run.

A factor which can vastly change the price of a new roof or improvements to an existing roof is the number of tiles used. It is often compared to slope but is not exactly the same. Please note that the r values for roof membranes shingles tiles air films and roof deck materials might or might not be permitted by your local code to be included when total roof assembly r value is being calculated for the purpose of satisfying energy code requirements. For a very good introductory overview article on r value see r values over at the website of.

You just need to know the size and angle of your roof deck. Tiles may break if walked on so repairing chimneys and other roofing issues is trickier when the roof is tile natural stone slates and composite or synthetic slate and composite shake tiles some european structures have natural slate tile roofs that are centuries old. R value of various materials. Here s a handy r value table that covers most types of roof coverings building insulation and a few other materials.

Before starting work it s important to know the dimensions of the roof and the type of tile you will be using. You should of course see the manufacturer provided technical data sheet for the r value of specific products. What is tile roofing r r. The added r value equates to the effective annual thermal resistance for the tile roof having different combinations of surface radiation properties cool color pigments and or building constructions.

Composite or vinyl slate tile is expected to last 40 60 years.