Roof Nails Vs Joist Hangers

All of the nails used in the hangers are joist hanger nails 10 x 1 1 2 long which are designed specifically for use in engineered metal connectors.

Roof nails vs joist hangers.

Joist hangers vs end nailing. If the rim board or plates are holding up the joists then use joist hangers. A joist hanger is an inexpensive u shaped metal bracket that supports joists anchoring them to a ledger board. 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.

The use of roofing nails as structural attachments for joist hangers is not uncommon however it should be avoided. What s more chances are high that the use of these nails would fail a building inspection. The most common joist hanger i find on decks is a lus28. It s not only amish craftsmen who simplify by sticking with nails.

Screws are also unnacceptable for hangers since they do not have the shear strength of a nail. To know what nails are supposed to be used you first need to know what joist hanger you re working with. Nail to the joist standard hanger. They meet the manufacturer s recommendations and are code compliant.

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. The roof purlins being nailed into are kiln dried 2 6 and 2 8 of douglas fir dfir and spf canadian spruce pine fir. This joist hanger can be used. For standard joist hangers secure the joist hanger to the joist using only 1 1 2 in.

If the joists are supported by beams or plates then end nailing to the rim or band board makes sense. Roofing nails are not made to withstand the structural forces that are required for joist hanger connectors. Code calls for joist hanger nails. Long galvanized joist hanger nails avoid longer nails that would poke through the joist and splay out the other side of the hanger.

It is not recommended that you use deck screws and you should never use roofing nails. As far as overkill probably is but you read about too many deck collapses every year.