Metal Roof Spray Foam Insulation

Financially speaking this spray is a great option especially when you need to renovate your roof after the application.

Metal roof spray foam insulation.

Spray foam insulation systems have been a product of choice to achieve highly efficient building envelopes. Spray foam insulation a polymer combined with a foaming agent sprays into steel wall and ceiling cavities. Polyurethane spray foam metal roof insulation the spray can be basically applied on top or bottom of the metal roofing surfaces. Simplicity of the installation.

Spray foam insulation application on underside of roof decks commercial building roofs typically metal have large surface areas which can lead to substantial heat loss and or gain. The movement of air into indirect conditioning of an unvented attic is a slow gradual process that will not be noticeable by occupants and typically will not put any strain on the hvac system. For example compressed areas and difficulty taping seams at edges and penetrations for air barrier performance. Spray foam insulation steel roofing and corrosion hansen pole buildings designer rachel recently had an interesting discussion with a client.

The gist of the discussion was the client had heard spray foam insulation will corrode the steel and void the warranty of the steel. Spray polyurethane foam insulation with metal panels. Spray foam insulation and steel roofing and siding energy efficiency is a hot pun intended for steel roofed and or sided post frame buildings especially with a rise in popularity of barndominiums and shouses. It s not coming from above the roof and it s not some new moisture source resulting from the spray foam.

But spray foam insulation used at the underside of the roof deck would need to be covered by a thermal barrier and intumescent coatings are commonly used. Spf insulation is well suited for use as interior insulation for metal wall and through fastened metal roof panels. Moisture generated indoors or that infiltrates into the home is responsible for the bulk of the moisture in an attic insulated with spray foam on the underside of the roof sheathing. Image courtesy of spray polyurethane foam alliance.

The traditional thermal insulation layer one or two layers of batt insulation with a facer has its intricacies. Critical design considerations of flat or low pitch commercial building roofs include.