The reflective layer applies in hot regions to resist the build up of heat in the building.
Roofing reflective underlayment.
This smart and competent armorlay 25 synthetic roof underlayment is the most useful thing for every house roof.
Rfoil reflective insulation 2200 series underlayment in an effective energy efficient barrier that can greatly reduce transfer of radiant heat through roofing.
The product is very lightweight and easy to install.
Item 169827 model 5003002.
And this synthetic roof underlayment becomes famous due to its quality easy installation process and affordability.
The new 2200 series underlayment s polyethylene bubble material sandwiched by a layer of metalized foil and a white polyethylene sheet provides an added r value of 1 1.
Between the ceiling of the house and the metal roof you might have a layer to act as a water barrier another one for thermal insulation and yet another reflective layer for insulation.
When there is an airspace between the 2200 series underlayment.
Underlayment is a popular option to protect your new house temporarily to keep the roofing subfloor etc.
Grace ice water shield 36 in x 75 ft 200 sq ft rubber roof underlayment.