To convert rsi to r value multiply the rsi by 5 67826.
Roof panel r value.
R value table for roofing materials and building insulation.
Rsi r value système international is the metric equivalent.
For example two inches of extruded polystyrene with an r value of 11 has an rsi of 1.
Types of roof insulation.
R value is used in the united states.
The higher the r value the better a material performs as a thermal insulator.
R value is used as a measurement of the effectiveness of thermal insulating materials.
R value measures how well certain building insulation materials can resist heat.
Expanded polystyrene eps is type i per astm c578 11.
The higher the r value the greater the insulation performance.
Know exactly how much you need with our project calculators.
Extruded polystyrene xps is type iv type x per astm c578 11.
When determining how much insulation you need don t guesstimate calculate.