Using Wrong Hangers For A Porch Roof
Wrong nails if the wrong nails are used at a joist hanger it won t perform as intended.
Using wrong hangers for a porch roof. Top reasons for installation errors. Fill all the holes in each joist hanger with the properly designated size nail. Question 2 is my idea a good one. 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.
Question 1 is there a hanger bracket for this situation. Position the rafters on top of the sill plate. Never use a 2 6 hanger on 2 10 joist hangers. The porch roof may match the pitch of your home or have a more shallow roof pitch.
Use screws to secure the rafter to the sill plate. 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. Once at the roof edge locate the rafters. 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.
The number of fasteners used is often incorrect. Joist hangers can help you mount each rafter to the house. The positioning of your rafters will depend on the pitch of the 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. Would like reinforce joists to ensure 700lbs load from swing. You will be attaching roof jacks to the rafters securing these with either 12. If you are new to working with roof brackets or jacks limit your first experience to a one story roof with a low pitch.
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. 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. Mark the spot where the swing ceiling anchors would be on one joist. Step 1 check out the roof use a ladder against a side of the building to climb to the roof edge.
To know what nails are supposed to be used you first need to know what joist hanger you re working with. Install the largest joist hanger that fits the lumber.