Roof Nails On Deck Joists

It can even cause damaging expansion and contraction if water penetrates these holes and freezes.

Roof nails on deck joists.

Screwing deck boards also creates large holes for water to soak into and rot much faster. 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. Joist hanger nails for nailing into the side of the joist photo 5. 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. Roofing nails just can t handle the shear stress. For standard joists you will use the 1 1 2 inch galvanized hanger nails to attach the joists using standard joist hangers. For 5 4 decking use a 10d 3 inch nail.

Now you can slip the joist into the hanger and drive the nails that go into the joist. Using a 3 inch galvanized nail and nailing it flush will pull the boards tighter versus sinking through the. The use of roofing nails as structural attachments for joist hangers is not uncommon however it should be avoided. This type of hanger requires fewer but longer nails for the side flanges.

Deck joist beam sizing tables a quick rule of thumb for sizing joists. For thicker decking use a 16d 3 1 2 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. This can cause the joist to rot from the inside out.

Treat all sides of the reinforcing joist with a clear sealer and let it dry. This part of your deck construction is labor intensive. True the joists sit on the beam on the outside on the deck. Hang the joist with a bent over nail.

Some manufacturers sell special decking nails with a head size in between the two. Indoors or out for standard type single joist hangers use only 1 1 2 in. Roofing nails are not made to withstand the structural forces that are required for joist hanger connectors. Remove the guide and drive nails to attach the hanger.

But they usually hang from the ledger that is bolted to the house on the inside. Start driving a nail near the top end of the joist then bend it over. What s more chances are high that the use of these nails would fail a building inspection.