Here s a handy r value table that covers most types of roof coverings building insulation and a few other materials.
Roof u value calculator.
The saint gobain insulation uk online u value calculator covers a variety of different insulation applications.
R value to u value conversion calculator.
We provide u value calculations to show compliance with current building regulations standards and best practice.
The r value calculator is best used as follows.
You should of course see the manufacturer provided technical data sheet for the r value of specific products.
There is a wide range of calculations available in the u value calculator which can be.
Work through your own construction detail to get an early indication of the u value that this might achieve.
The quick free and easy way to find out the insulation thickness and the u value you need for your building project.
Providing you with instant calculations all day everyday with step by step options and hints and tips along the way the no jargon u value calculator takes you through your construction build up until each element is included.
Work out all the different materials and surfaces that make up the wall ceiling or surface you want to work out the r values and u values for.
972252 pencoed bridgend cf35 6ny united kingdom.
U value lower the number the better u 0 20 and lower r value higher the number the better r 5 and higher.
Our u value calculator is a free online tool which will help calculate the required thickness of insulation to achieve the desired u value.
For a very good introductory overview article on r value see r values over at the website of.
Rockwool limited registered in england and wales.
The calculator can be used to calculate u values for floor wall pitched roof and flat roof insulation applications.
The following tools estimate the area of a roof as well as the amount of materials necessary to construct a roof of a given area.
These can be supported with a detailed report.
The house base area is the area of land that the house covers and for more complex shapes can be estimated using the area calculator.
Specify your desired u value before immediately calculating the required insulation thickness and product selection.
R value of various materials.
The u value calculator covers all the main ways of building walls flat roofs pitched roofs and floors using kingspan insulation products.
Remember the horizontal or vertical orientation of the material is important to get its insulation value correct.