Patio Roof Rafter Ties

How to attach a patio roof to an existing house step 1.

Patio roof rafter ties.

Installing patio roof rafters. You will need nails nailer rafters planks utility knife roofing shingles screwdriver lag bolts utility knife wooden beams etc. Interesting rafter ridge beam attachment roofing. Then force the rafter s tip snugly against the house wall.

How to install modern pergola rafters without brackets. 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. 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. Collar ties rafter ties tension beams structural ridge beams.

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. Simpson strong tie 18 gauge 2 in x 6 ridge rafter connector. Firstly the tributory width d should be 3d as only every third rafter is tied. Using a block of wood as a ruler mark the ends for cutting.

See more ideas about patio roof building a porch porch roof. 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. 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. When all the rafters are installed correctly form your patio roof by attaching the planks horizontally across the rafters.

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. Some of these can support the roof and prevent ridge sagging and wall spreading. Gather the necessary tools. Structural ridge beam tricks of the trade.

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.