R Value Of Concrete Roof Tiles

To install a concrete tile roof on your home.

R value of concrete roof tiles.

There are many websites on the internet which have imperial building material r value numbers. Tile slate 8mm. Timber floor boards kiln dried hardwood 19mm. On average your concrete roofing tiles will last up to 50 years while the underlayment will only last about 20 years.

This gives you an average cost of 10 50 to 14 50 per sq. As we said before the r value measures the thermal resistance of a material. A tile roof is a costly upfront investment especially if you opt for clay tiles rather than concrete ones. You should of course see the manufacturer provided technical data sheet for the r value of specific products.

Concrete tiles are less expensive than clay so they would be on the lower end of the above pricing range. Thermal break foam strips gasket 10mm thick uncompressed. For instance if you have a material with an r value of 12 attached to another material with an r value of 3 then both materials combined have an r value of 15. While concrete roofing tiles are a fairly durable roofing option the underlayment is not.

R value of various materials. For a very good introductory overview article on r value see r values over at the website of. Depending on your region and the product you choose expect to pay between 12 50 and 25 00 per square foot for a ceramic clay tile roof installed. R value is compressed value thermomass concrete insulation concrete panels 150 conc 50mm xps foam 60 conc thermomass concrete insulation concrete panels 150 conc 70mm xps foam 60 conc tile clay roofing 19mm.

For example two inches of extruded polystyrene with an r value of 11 has an rsi of 1 93721. That being said the tile quality and thickness installation difficulty and your home s location will impact costs. A correct assessment of the r value of a wooden log wall needs to be calculated based on the. To convert rsi to r value multiply the rsi by 5 67826.

Here s a handy r value table that covers most types of roof coverings building insulation and a few other materials. This means you will have to go through replacing this layer every so often which adds to the maintenance and cost of concrete tile. You can expect to pay between 8 50 and 17 50 per sq.