How To Attach A Ledger Board For A Porch Roof

Use a speed square to mark and cut your rafter angle to the roof pitch.
How to attach a ledger board for a porch roof. Deck ledger board attaching a deck ledger board to engineered floor joists. If it is impossible to attach the ledger to a floor joist then fasten the ledger to wall studs which are generally located on 16 inch or sometimes 24 inch centers and doubled up around doors windows and other openings. Flash and bolt the ledger board in place to the house wall. In this instance minimum 1 2 lags are staggered along the length of the board.
Locate a position for a header or ledger board. The lags should pass through by at least 1 2 on the back side of the band board. Learn how to cut and remove aluminum vinyl wood and cement board siding for installing a deck ledger board to a house wall. Make it the full width of the porch or slightly wider depending on your porch design.
Find the wall studs or roof trusses that will have to support the ledger. Attach the rafters to the house with joist hangers which supported by ledger boards. To do this method you will have the back channel and fascia strengthened by reinforcing two rafters inside the roof. Determine how high it must be to provide an adequate slope to the roof.
Place the rafters on 24 centers attach them to the settle joists and beams toward the center. Temporarily nail or brace the ledger in place positioned and leveled at the desired height. This board will support the rafters. The rafter pitch angle.
Attach the metal joist hangers to the rafters. Fix the back channel to the fascia boards underneath the gutter directly. If necessary use a sliding bevel to determine angles needed where the rafters will meet the ledger board. Rafters are placed on 24 centers and attached to the beams and settle joists are attached as needed image 1.
Attach the header to the support post next to the house. Deck ledger board removing the siding for the ledger board. Do not attach the header directly to a house cantilever. This method may be one of the most ubiquitous ways of attaching a patio roof.
Explore your options for building a deck onto a house with engineered floor joists.