Using Joist Hangers For Roof

Joist hangers can hang rafters from a ledger but for sloping rafters notch them or use special rafter hangers.

Using joist hangers for roof.

In my work as a field rep for trus joist macmillan most of the wood i joist roofs i see use a structural ridge beam rather than a center bearing wall. Undersized hanger 2 31 hanger height must equal at least 60 percent of joist height. But whether you use a ridge beam or a bearing wall there are two ways to support the joists at the upper end. Reusing joist hangers undermines the integrity of your deck or floor.

Nail to the joist standard hanger. They are very straight forward to install for any carpenter or contractor that has knowledge of the wood framing process and once constructed provide a very long service life as they are rust resistant. The joist hanger selector is currently down for maintenance. Avoid re using joist hangers even if they look like they are still in good shape.

This is a rule developed to deliver enough hanger capacity and lateral stability of the connection. To fix this without tearing out the existing hangers framing angles could be added above the hanger to add lateral stability. To hammer inside tight joist spaces use either short tapping strokes or hold the hammer sideways and strike the nail with the side of the. Keep in mind that these are structural devices.

Long galvanized joist hanger nails avoid longer nails that would poke through the joist and splay out the other side of the hanger. Steel joist hangers have made the construction of buildings much easier as they provide a quick and effective way to provide proper support for your ceiling rafters as well as floor joists. With hangers or a beveled bearing plate see. If rafters will sit on top of a ledger attach them with seismic anchors as you would attach rafters to a beam.