Metal roofing 101 diy steel roofing installation over shingles subscribe.
How to install metal roofing on a shed.
Either way a metal roof can add years to a shed because it is impervious to bugs and animals and it weathers well in every climate.
Build the roof as normal with the trim felt paper and metal flashing.
Install the roofing screws vertically along each rib in the panel.
Install an end strip of rubber butyl at the top edge of this row fitting it snugly into the profile of the metal.
Cool outside air then travels under the shingles to the vented ridge detail 2 pulling out moisture and heat.
Then attach the metal roof material with screws make for roofing.
Space the screws about 12 in 30 cm apart down the entire piece of metal.
How to install a metal roof on a shed.
Then trim all edges of the roof with metal trim made for that purpose.
Pros and cons for metal roofing installation.
Lay the new metal roof right on top of an old roof or remove the old one first.
Install the cut row of panels overlapping the flashing.
To vent the roof holes are cut in the old roof detail 1 above the soffit which pulls air through the soffit vents underneath.
Take your first sheet of metal and place it on the roof so that it overhangs the edge at least 3 4 in 1 9 cm.
Use your neoprene washer head screws to secure the metal to the sheathing.
Apply a row of 8 inch wide metal flashing over the break in the gambrel 4 inches above and 4 inches below.
You might have to stagger the metal and cut one or both outside edges to get the correct overall width.
Take care the first piece is aligned precisely perpendicular square to the edge.
Nail the flashing in place with 1 1 2 inch roofing nails.