Natural Gas And Foam Roof Insulation

It rots roofs people have told me.

Natural gas and foam roof insulation.

Air tight homes require sealed combustion hvac appliances and mechanical ventilation. Sealed combustion appliances fueled with natural gas cost less to operate than electric ones. Most often the attic is sealed by installing spray foam insulation at the roofline thus bringing the attic inside the building enclosure and turning it into conditioned space directly or indirectly. There are several new types of spray in place foam insulation.

Liquid natural gas insulation lng insulation polyisocyanurate insulation mechanical insulation iso c1 lng pipe insulation and equipment insulation dyplast s iso c1 polyisocyanurate mechanical insulation is the optimal insulation for the vast majority of cold temperature systems within an lng facility. New house spray foam attic gas heat and water heaters c smith posted in general questions on february 12 2014 08 46am i am building a new house and want to foam the roof. It should not be confused with the old uf foam insulation. Rigid board insulation is made to be used in confined spaces such as exterior walls basements foundation and stem walls concrete slabs and cathedral ceilings.

A while back i wrote about the incompatibility of putting an atmospheric combustion furnace in a sealed attic. One a new type of spray in foam is calledicynene foam. Spray polyurethane foam spf is a popular insulation product for homes and buildings. The good news is that some installers understand this problem and seek to address.

Roof replacement is extremely expensive and difficult to justify for energy savings only. Spray polyurethane foam insulation can achieve air tightness of 0 10 to 0 20 air changes per hour. Not long ago someone even told me that in florida roofing companies won t let their workers go up on roofs with open cell spray foam because the roofs are so spongy the guys fall right through. Flat roofs are only practical to re insulate when replacing the roof.