R Value Of Clay Roof Tiles

You should of course see the manufacturer provided technical data sheet for the r value of specific products.

R value of clay roof tiles.

The following table is in metric form. Sand dry 100mm. 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.

Roof tiles have a service life of 150 years. Here s a handy r value table that covers most types of roof coverings building insulation and a few other materials. R value is compressed value. Roof tile clay or concrete 1922kg m3.

However the material has a lot of different advantages which is why it s still the preferred material between the two. Roof tiles are solid and thus especially robust and dimensionally stable. Click here to go to our calculator to understand the real r value of a ceiling system or wall system with gaps in the insulation. Stud walls see either airspace wall or insulation.

It is true that air is a poor conductor of heat but in a vertical air space like in a wall warm air rises on the inside surface and cool air drops on the outside surface creating convection which transfers heat. Cedar shakes shingles. When you read those the difference in price will come as no surprise to you. Structural tile r value an 8 thick double cell hollow clay tile has an r value of 1 85 according to my ancient hvac text book.

Flame spread is a measure of fire resistance of the material. Forashrae zone 3 atlanta georgia the high profile concrete and clay tiles espana barcelona 900 corona tapered classic s and mission s all showed an almost tripling of the effective annual thermal resistance with the addition of the low emittance paint. These numbers are most useful to compare one insulating material to another. R value of various materials.

Sand moist 100mm. Straw board faced with paper 320kg m3 50mm thick. Absorption is the tendency of the insulation to absorb water in percent by weight. As a result roofs covered with roof tiles require very little maintenance and guarantee a constant quality and beauty.

They are insensitive to environmental influences such as heat cold and frost. Thermal break foam strips gasket 10mm thick uncompressed. Count on a tile roof to cost two times as much as a wood shake roof and four times more than asphalt shingles. Concrete clay roof tiles.

This is important for assessing the risk of mold in some materials.