How To Attach Metal Roofing To Wood

Begin on the left side of the roof working to the right.

How to attach metal roofing to wood.

Overlap the edge of the roof by 1 inch. Allow for a minimum of 18 inches 46 cm if you need to lap to complete the run. If yours do not. This means that the screw will drill its own hole through the metal roofing panel and into the metal or wood substrate.

The roofing felt will lay horizontally along the plywood deck of the roof. Snap a vertical chalk line 1 4 inch from the rake edge of the roof using a chalk box. Most panels come up to 32 feet 9 8 m in length. Work toward the ridge.

Metal roofing learning channel 2 7k subscribers. Place the first metal panel so that it aligns with the eaves and use the self tapping screws to attach it securely to the rafters. Circular saw 2 x research source slower than angle grinder but follow same step 2 pre drill holes on the ridges. Wear hearing and eye protection.

Before you install metal roofing repair any damage to the wood under the shingles. Some panels have pre drilled holes. Step 1 cut the panels to the desired length. When installing a metal roof over an existing roof insulate the spaces between the wood strips with rigid insulation to prevent condensation before installing the roofing.

Next use 1 inch nails to secure some metal edging to the perimeter of the roof. Attach the roofing felt with roofing staples. Angle grinder 1 x research source the fastest option. Metal roofing is also available in the form of shingles.

Ensure that the line is square with the eave. These nails are specially designed to go through sheet metal and into wood and provide a seal that is hard for water to penetrate. The screws that are used to attach the metal roofing are self drilling screws. Water penetration would defeat the purpose of attaching the sheet metal to the wood in the first place.

Lay the starter row of metal shingles at the drip edge and affix to the roof with metal roofing nails. You may need to cut panels to fit angles using a circular saw with a metal saw blade. Sheet metal can best be attached with roofing nails. Instead you can just secure the metal roof directly to the wooden beams cut the roofing felt to fit with a utility knife.

Install the first metal panel on the low end of the roof square to the eave. Make sure you overlap each layer by at least 4 inches. Put caulking along the edge of the panel and place the next panel so that it slightly overlaps the first one. The caulking will prevent leaks from developing between the panels.

Lay and secure the first metal panel. Then cover the entire roof with a layer of insulation and secure it with a staple gun.