Metal Roof Directly On Rafters

Work up from the initial row starting at the lower corner in a diagonal pattern staggering the shingles to prevent gaps.

Metal roof directly on rafters.

I was planning on putting plywood over the rafters and cross the rafters with a 2 x4 every 16 to secure the metal roof to. You have to allow some overlap section on each side of the metal but it will decrease the panel s effective width. Lay the starter row of metal shingles at the drip edge and affix to the roof with metal roofing nails. You also need to add.

When installing a metal roof over an existing roof insulate the spaces between the wood strips with rigid insulation to prevent condensation before installing the roofing. This involves putting down vertical battens first attaching them through the roof deck to the rafters. In reading online it seems wise to install a vapor barrier over the plywood to prevent condensation from getting adsorbed into the plywood from the steel roof. How to install a metal roof over open rafters step 1.

I have removed all the old shingles from the roof boards not plywood the roof is in great shape and have installed an ice shield over the roof. A potentially easier option is to use purlins on top of the rafters rather than framing between the rafters. Brace the ladder securely. The resulting vertically oriented chambers can then be ventilated by bringing fresh air in at the boom and exhausting it out at the top.

It is important to. Most metal shingles will be attached to the roof using metal shingle. Can i install the metal roof over the ice shield or do i need the 1 x 4 battens every 2 feet as well it s a low slope roof thus the ice shield for extra protection. And then you put down horizontal battens for the roof panel attachment.

The width of metal panels will determine the rafter spacing. Put on your safety equipment including gloves safety goggles and the roofer s harness. That s common for metal roofing. It does create some additional work just at the edges to close between the purlins but that s much less than cutting cross bits between every rafter.