Patio Roof Rafter Ties

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.

Patio roof rafter ties.

How to attach a patio roof to an existing house step 1. 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. You will need nails nailer rafters planks utility knife roofing shingles screwdriver lag bolts utility knife wooden beams etc. When all the rafters are installed correctly form your patio roof by attaching the planks horizontally across the rafters.

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. Structural ridge beam tricks of the trade. How to build an outdoor living room feedster. Then force the rafter s tip snugly against the house wall.

See more ideas about patio roof building a porch porch roof. How to install modern pergola rafters without brackets. Some of these can support the roof and prevent ridge sagging and wall spreading. 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.

Collar ties rafter ties tension beams structural ridge beams. 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. Firstly the tributory width d should be 3d as only every third rafter is tied. Sep 12 2020 explore peter baker s board roof tie in on pinterest.

Simpson strong tie 18 gauge 2 in x 6 ridge rafter connector. 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. Gather the necessary tools. Interesting rafter ridge beam attachment roofing.

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.