Using Roofing Nails On Joist Hangers

Roofing nails don t have the inherent strength to support the weight of a deck or any framing member.

Using roofing nails on joist hangers.

This may cause splitting of the bottom chord. That s a recipe for disaster as roofing nails are not structural nails. Roofing nails are not made to withstand the structural forces that are required for joist hanger connectors. Screws are also unnacceptable for hangers since they do not have the shear strength of a nail.

The joist hanger in this video calls for 10d common galvanized nails. Joist hangers give roofing carpenters a great deal of flexibility. Remove the guide and drive nails to attach the hanger. As far as overkill probably is but you read about too many deck collapses every year.

Improper nailing of an i joist. It comes with plenty of holes through which you can screw or nail the hanger to one timber while you drop another timber in the shoe. Roofing nails the use of roofing nails as structural attachments for joist hangers is not uncommon however it should be avoided. The side nail into the bottom flange of the i joist is installed at the wrong angle.

Hang the joist with a bent over nail. What s more chances are high that the use of these nails would fail a building inspection. To install start by aligning the top plane of the joist with the top of the rim joist. Joist hanger nails for nailing into the side of the joist photo 5.

For double shear single hangers photo 4 fasten the hanger to the joist s with longer 8d or 10d nails. Slip on a joist hanger so it supports the guide and pound the barbed tabs to hold it in place. Nails installed into the underside of the bottom chord are not necessary. For double hangers use 8d or 10d nails.

We re using a scrap of wood screwed to the joist as a brace to hold the joist in position while we fit the hanger but you can also use a nail bent over to form a hook. They are relatively easy to level in fix very strongly indeed and allow the carpenter by using temporary fixings to get all timbers in place. The nail through the dimple should have been installed at a 30 to 45 degree angle. Code calls for joist hanger nails.

Now you can slip the joist into the hanger and drive the nails that go into the joist.