Ledger Roof Framing

Most house framing relies on building elements floors walls roofs being stacked one atop another.

Ledger roof framing.

Notch a birdsmouth where it sits on the low wall and extend it past the wall for the eaves. Shed roofs project as a single plane roof pitched away from the house. Lean to shed roof framing. Weather you re building a shed roof or adding a dormer to your second story it is important to choose the proper size rafter.

American forest paper association wood construction data 1. In this case the ledger should be mounted at the height that the ridge beam would. The high end of the rafter sits on or attaches to a ledger plate attached to the existing wall. The deck ledger to the house is an unusual connection in home building.

Letters reader questions bolting ledgers to studs. The second is to join a roof to an existing vertical wall in the case of building a porch or adding on a room. The strongest ledger connection relies on bolts that run through the ledger and the house sheathing and rim or band joist and then are fastened with nuts and washers affixed from the other side. The first approach to achieving a strong durable struc.

This sizing guide for roof rafters will help determine what you need for your small project. The lower end is done the same way a skillion or shed roof is. Detail of ledger framing system as drawn in building specimen platform framing balloon and ledger fastening a patio roof to the house hometips deck framing whats people lookup in this blog. A ledger should be affixed to strong parts of the house s framing such as second floor joists or wall studs.

Details for conventional wood frame construction. Flat roofs are more susceptible to leaking than pitched roofs. A ledger relies on the fasteners and strength of the wood ledger board and rim board of the house to carry the deck live and dead loads. Letters reader questions bolting ledgers to studs.

If you are tying the roof directly to a house wall you can install a ledger board with flashing and install rafter ties to attach the rafters at the appropriate angles or use engineered trusses. A lean to roof just means it s attached to an existing structure. At the end of glenn mathewson s handling lateral loads january february 2012 he proposes connecting a 2x12 ledger one step down from a door threshold something many of us in snow country regularly do. That usually is done with a header or ledger board secured to the house.