Using Roofing Nails On Joist Hangers

This may cause splitting of the bottom chord.

Using roofing nails on joist hangers.

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 don t have the inherent strength to support the weight of a deck or any framing member. Indoors or out for standard type single joist hangers use only 1 1 2 in. The side nail into the bottom flange of the i joist is installed at the wrong angle.

As far as overkill probably is but you read about too many deck collapses every year. Slip on a joist hanger so it supports the guide and pound the barbed tabs to hold it in place. Screws are also unnacceptable for hangers since they do not have the shear strength of a nail. Roofing nails are not made to withstand the structural forces that are required for joist hanger connectors.

That s a recipe for disaster as roofing nails are not structural nails. Now you can slip the joist into the hanger and drive the nails that go into the joist. To install start by aligning the top plane of the joist with the top of the rim joist. Hang the joist with a bent over nail.

Put the tip of a roofing nail and a joist hanger nail in a vice and try to bend them with a pair of pliers. Roofing nails death on a stick all too often rookie carpenters or do it yourself homeowners will install joist hangers using roofing nails. Code calls for joist hanger nails. For double hangers use 8d or 10d nails.

Nails installed into the underside of the bottom chord are not necessary. The nail through the dimple should have been installed at a 30 to 45 degree angle. Improper nailing of an i joist. For double shear single hangers photo 4 fasten the hanger to the joist s with longer 8d or 10d nails.

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. Roofing nails the use of roofing nails as structural attachments for joist hangers is not uncommon however it should be avoided. Remove the guide and drive nails to attach the hanger. What s more chances are high that the use of these nails would fail a building inspection.

Joist hanger nails for nailing into the side of the joist photo 5.