Patio Roof Rafter Ties

To cut sloping rafters for a house attached patio roof lay a rafter board so it rests on its edge on both the ledger and the beam parallel to the ledger.

Patio roof rafter ties.

If you are going to use shingles to cover the patio roof do not forget to install black roofing felt along with a single layer of oriented strand board. How to install modern pergola rafters without brackets. How to build an outdoor living room feedster. Structural ridge beam tricks of the trade.

Since l is the half width of the roof the load should be w not w 2 and there are other serious things wrong with this. Simpson strong tie 18 gauge 2 in x 6 ridge rafter connector. Using a block of wood as a ruler mark the ends for cutting. Interesting rafter ridge beam attachment roofing.

This article describes and illustrates the different types of support that prevents roof sagging and wall bulging at buildings including definitions of collar ties rafter ties and structural ridge beams. Firstly the tributory width d should be 3d as only every third rafter is tied. See more ideas about patio roof building a porch porch roof. Sep 12 2020 explore peter baker s board roof tie in on pinterest.

Also the un tied rafters push on the wall plates which span between the tied rafter ends bringing in 2 3 of the load on the tie and adding to the bending in the tied rafters. Some of these can support the roof and prevent ridge sagging and wall spreading. When all the rafters are installed correctly form your patio roof by attaching the planks horizontally across the rafters. On a two story house you can usually tie the ledger into a band joist also called a rim joist located between the floors as shown below.

Installing patio roof rafters. How to attach a patio roof to an existing house step 1. Then force the rafter s tip snugly against the house wall. If attaching a patio roof to a ledger beneath the eaves does not allow for enough headroom you can set the new patio roof s rafters on the wall s top plate.

You will need nails nailer rafters planks utility knife roofing shingles screwdriver lag bolts utility knife wooden beams etc.