11 Best Of How To Put A Roof On A Deck Best Resolution Image. Starting at one end attach the first fiberglass panel to the purlin with the roofing screws. Drill pilot holes trough the rafters and insert the screws into the shed rafters after aligning the overhang at both ends.
Place the screws in every other valley. Continue the woodworking project by fitting the plywood sheeting. Place a hold-down -- a strong metal angle bracket -- on either side of the beam above one sill plate.
Strips of 4-in-wide EPDM provide a layer of protection between the sleepers and the roof.
Set one beam at the front of the sloped deck vertically on the front pair of sill plates. Starting at one end attach the first fiberglass panel to the purlin with the roofing screws. The posts should stack directly above a support post below and not within the span of a beam. Take a look at our step-by-step guide for building a shed roof over your existing deck.