Roof Tile R Factor
Before starting work it s important to know the dimensions of the roof and the type of tile you will be using.
Roof tile r factor. Composite or vinyl slate tile is expected to last 40 60 years. 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. You just need to know the size and angle of your roof deck. 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.
A new tile roof can cost a lot of money. For a very good introductory overview article on r value see r values over at the website of. Your complete roofing systems roof tiles wall cladding sun screen coolmax insulation solarmax bricks bricks slips roofing components and more. You don t have to be a mathematician or qualified tradesman to use our calculators.
How to use our roof tile calculators. Our roof tile calculators will also work out how many ridge hip verge and valley tiles and flashings you ll require. 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. Roof pitch is the measurement of a roof s vertical rise divided by its horizontal run.
What is tile roofing r r. A factor which can vastly change the price of a new roof or improvements to an existing roof is the number of tiles used. 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.
You should of course see the manufacturer provided technical data sheet for the r value of specific products. If you need a new roof tile roofing can be a great investment. Shingle roofs typically have a life span of 15 30 years while membrane roofs usually last 5 15 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.
The amount of expected waste depends on the style and quality of the roof tile and on.