Insulating a pitched roof with mineral wool is a very economical and environmentally efficient decision because it significantly decreases heating and cooling bills and reduces the greenhouse gas emissions into the atmosphere.
Mineral wool roof insulation.
Per bag industrial insulation group 2 x 16 x 4 mineral wool unfaced sound attenuation batt insulation bag of 106 67 sq.
Mineral wool insulation is 4 5 times heavier than polyiso and requires twice as many boards to be installed which can increase project costs.
Mineral wool insulation johns manville mineral wool batts are made of inorganic fibers derived from basalt a volcanic rock and are enhanced with glass fibers.
Rockwool multifix is a mineral fiberglass faced stone wool product that can be installed under many single ply membranes.
Thermal performance and weight.
Rockwool stone wool roof insulation combines the thermal performance dimensional stability impact resistance and acoustic control required to increase the performance of many flat roof assemblies.
Mineral wool is more often found in walls than in roofs because of its weight and has a relatively low r value of 3 8.
The semi rigid batts are more dense than traditional batts or rolls and are quick and easy to install.
Single ply roof systems can provide an easy to install seamless roof assembly.
Single ply roof insulation.
4 x 24 x 48 thermafiber firespan 90 foil faced mineral wool insulation 32 sq.
Rockwool products are available with a bitumen or mineral coated fiberglass face to be used in a number of roofing solutions.