Underlayment For Low Slope Metal Roof

Dry fit the roof boot and mark the location of the top of the gasket on the pipe.

Underlayment for low slope metal roof.

That product is a mesh that would go on top of and over the other underlayment used. Ft model 5003002. Roll self adhered roofing underlayment 225 sq. It is akin to cedar breather.

There are several types of felt underlayment including both organic reinforced and inorganic reinforced. 15 underlayment as shown. Gcp applied technologies grace ice and water shield 36 in. It provides trapped moisture from under the roof in low slope applications a path to drain.

Ft coverage sbs modified asphalt polyester self adhered low slope roofing roll in black model lb323235. Asphalt saturated nonperforated organic felts are among the most common underlayments used for metal roof systems. The traditional and most common material used for roof underlayment on a steep slope metal roof is non perforated asphalt impregnated felt underlayment. Apply a suitable sealant to the underside of the flange of the roof boot and a ring of sealant around the pipe at the height you marked.

Install the roofing panels and seal between the pipe and panel with a caulking rated for use on metal roofs. 30 which are reflective of a once used pound per square weight designation. 15 felt underlayment as shown in figure 2 3above. With slopes from 2 12 to 4 12 use a double layer of no.

Peel and stick is only needed for low slope or if your roof has a issues with ice dams 4a doesn t sound like a climate for that. Underlayment is important for a metal roof you get night time condensation on the underside of the panels you don t want that to get into your deck.