Roof Nails On Deck Joists

Remove the guide and drive nails to attach the hanger.

Roof nails on deck joists.

This part of your deck construction is labor intensive. Some manufacturers sell special decking nails with a head size in between the two. For standard joists you will use the 1 1 2 inch galvanized hanger nails to attach the joists using standard joist hangers. For thicker decking use a 16d 3 1 2 nail.

I believe simpson strong tie calls for 3 1 2 16d hot dipped galvanized nails to be double shear nailed through their joist hangers filling every hole. For double shear single hangers photo 4 fasten the hanger to the joist s with longer 8d or 10d nails. True the joists sit on the beam on the outside on the deck. Roofing nails are not made to withstand the structural forces that are required for joist hanger connectors.

Now you can slip the joist into the hanger and drive the nails that go into the joist. Deck joist beam sizing tables a quick rule of thumb for sizing joists. It can even cause damaging expansion and contraction if water penetrates these holes and freezes. Position the reinforcing joist tightly against the damaged joist and attach it with 16d 3 5 galvanized nails driven every two feet or fasten it with 3 1 2 inch galvanized deck screws.

Spans sizes and spacings for deck joists and deck beams are discussed in detail. For 5 4 decking use a 10d 3 inch nail. This type of hanger requires fewer but longer nails for the side flanges. The 16d nails will fasten your hanger to the wall ledger while the 10d nails will be nailed through the side flange of the hanger into the joists.

Indoors or out for standard type single joist hangers use only 1 1 2 in. But they usually hang from the ledger that is bolted to the house on the inside. Screwing deck boards also creates large holes for water to soak into and rot much faster. Hang the joist with a bent over nail.

Joist hanger nails for nailing into the side of the joist photo 5. What s more chances are high that the use of these nails would fail a building inspection. Treat all sides of the reinforcing joist with a clear sealer and let it dry. The long nails and screws that are driven into each joist provide dozens of entrance holes to that untreated core.

The use of roofing nails as structural attachments for joist hangers is not uncommon however it should be avoided. Start driving a nail near the top end of the joist then bend it over. Using a 3 inch galvanized nail and nailing it flush will pull the boards tighter versus sinking through the.