Roof Nails On Deck Joists

Screwing deck boards also creates large holes for water to soak into and rot much faster.

Roof nails on deck joists.

Hang the joist with a bent over nail. For double hangers use 8d or 10d nails. Remove the guide and drive nails to attach the hanger. For double shear single hangers photo 4 fasten the hanger to the joist s with longer 8d or 10d nails.

This type of hanger requires fewer but longer nails for the side flanges. What s more chances are high that the use of these nails would fail a building inspection. True the joists sit on the beam on the outside on the deck. Now you can slip the joist into the hanger and drive the nails that go into the joist.

For thicker decking use a 16d 3 1 2 nail. This part of your deck construction is labor intensive. Treat all sides of the reinforcing joist with a clear sealer and let it dry. 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.

Using a 3 inch galvanized nail and nailing it flush will pull the boards tighter versus sinking through the. It can even cause damaging expansion and contraction if water penetrates these holes and freezes. For standard joists you will use the 1 1 2 inch galvanized hanger nails to attach the joists using standard joist hangers. This can cause the joist to rot from the inside out.

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. The use of roofing nails as structural attachments for joist hangers is not uncommon however it should be avoided. Roofing nails just can t handle the shear stress.

Spans sizes and spacings for deck joists and deck beams are discussed in detail. Start driving a nail near the top end of the joist then bend it over. Joist hanger nails for nailing into the side of the joist photo 5. The long nails and screws that are driven into each joist provide dozens of entrance holes to that untreated core.

For 5 4 decking use a 10d 3 inch nail. 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. Some manufacturers sell special decking nails with a head size in between the two.