Using Wrong Hangers For A Porch Roof

Question 2 is my idea a good one.

Using wrong hangers for a porch roof.

Joist hangers hangers used for stringers and glu lams truss hangers and hangers used in decking and stairs are often installed wrong and this compromises their ability to ensure the integrity of the structure to say nothing of ensuring code compliance. All my life loving hippie friends turned into soul sucking conservatives or died. Mark the spot where the swing ceiling anchors would be on one joist. Wrong nails if the wrong nails are used at a joist hanger it won t perform as intended.

The positioning of your rafters will depend on the pitch of the porch roof. Top reasons for installation errors. Once at the roof edge locate the rafters. The number of fasteners used is often incorrect.

Never use a 2 6 hanger on 2 10 joist hangers. Question 1 is there a hanger bracket for this situation. The porch roof may match the pitch of your home or have a more shallow roof pitch. Use lumber blocking by installing 4 each joist hangers for two 4 x 4 s between two adjacent joists so the blocking is flush with the bottom of both joists.

You will be attaching roof jacks to the rafters securing these with either 12. Using a framing square transfer the marks to the neighboring joists. Fill all the holes in each joist hanger with the properly designated size nail. If you try to buy joist hangers for 2x12 joists you ll find that the common 18 gauge hangers used for deck construction top out at the 2x10 size.

Avoid disaster by spending a couple of bucks more for the correct joist hanger. The end joists on a ledger need a hanger just like the rest of the joists but using a regular joist hanger with out turned flanges presents a problem. Step 1 check out the roof use a ladder against a side of the building to climb to the roof edge. My idea is to install 4x4s across the joists using hangers braces but the rafter is in the way such that the hanger will not be flush against the joist.

Joist hangers can help you mount each rafter to the house. The outside flange extends beyond the ledger. Use screws to secure the rafter to the sill plate. Position the rafters on top of the sill plate.

To know what nails are supposed to be used you first need to know what joist hanger you re working with. Hanging porch swing from a beam held by joist hangers one each end jesus jenny the old folks in town would hand the wooden porch swings from the 2x4 porch rafters without a moments concern.