Fanfold Under Metal Roof Panels

I have been debating on weather to use fan fold or a radiant reflective vapor barrier under my new metal panels i will be installing on my garage.

Fanfold under metal roof panels.

R 1 fanfold rigid foam board insulation sheathing. Secure the metal panel to the deck by drilling 1 1 2 inch galvanized metal screws through the peak of the rib in 12 inch to 16 inch intervals. The quality and type of underlayments used on the project in the long term will affect the overall performance of the roof. Work toward the ridge.

Consult local building codes and membrane manufacturers for system requirements. I have no roof deck osb or plywood the metal goes on the purlins. Foil insulation is a radiant barrier and it works by. As far as the fan fold foam you don t need it in my opionion why their website claims it an energy star rated panel.

In this article we are going to explore both financial and technical aspects when it comes to looking for the best method to insulate the metal roofing. Sticky mesh heavy duty. Selecting the right underlayments for a lifetime metal roof should be a primary concern for anyone thinking about specifying or choosing to install a metal roof on their home. Heck it s a 28 gauge 16 inch panel the contractors that have giving you bids to tear off the old asphalt shingles and felt sound like they care about what they are doing.

You could see alot of deflection in the panels if you don t. Talking about metal roof insulation this thing is one of the most challenging things people work in this field is facing it demands and requires excellent skill and expertise which you may only get from a reputable roofing contractor. Install the first metal panel on the low end of the roof square to the eave. R tech rigid foam fanfold insulation.

The many style options of metal roofs metal roofing comes in numerous styles that mimic modern architectural shingles unique clay tiles traditional standing seams metal roofs with panels that run vertically up the. Foil insulation underlayment is recommended under a metal roof and in most cases the shiny side should be facing up but there s a catch. An affordable option and easier to lay than shingles tin is the most commonly used type of metal roofing. I am concerned about creating a double vapor barrier between the roof panels and the radiant barrier.

Multipurpose high density insulation kit r10 2 3 8 in. R tech ff is ideal in recover applications and is well suited for single ply roof applications that employ mechanically fastened or ballasted tpo pvc epdm and cspe membranes. Overlap the edge of the roof by 1 inch. A metal roof under the same conditions may stay more than 50 f cooler than an asphalt roof which saves both energy and money.

Begin on the left side of the roof working to the right.