For a house roof the recommended minimum slope is 2 5 vertical inches for every horizontal foot but a nearly flat roof is fine for under deck installations.
How to install metal roofing under a deck.
Install the purlin along the house and the outer purlin.
You can use 1 inch nails for the installation of eave flashing.
Align the first metal roofing panel so that it overlaps the edging by 1 2 to 3 4 of an inch and is square to the roof.
How to install a rain barrier under a deck.
Then stretch a string between them.
A metal deck roof will add shade and make your deck or patio space more comfortable during the hot summer months.
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The eave flashing or edging is just the steel metal strips used to cover the entire perimeter of the roof.
First mark all the purlin locations on the deck joists.
A number of recently introduced under deck ceiling systems use corrugated aluminum or plastic panels designed to catch water that drains through decking and channel it away from the area below.
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.
Take care the first piece is aligned precisely perpendicular square to the edge.
Use your neoprene washer head screws to secure the metal to the sheathing.
Next you are ready to install the metal roof.
Install the roofing screws vertically along each rib in the panel.
Among the newest is the raintight system introduced at deck expo 2014.
Step 2 install a wood support structure for your panels screwing a row of 2 by 4s running parallel to your wall every 2 feet along the underside of your deck.
Place the first screw.
These roofs are usually easy to install over a deck or patio just make sure you re not breaking any local building codes.
Under deck waterproofing systems provide a moisture proof barrier that prevents rainwater from dripping down from the spaces between deck boards onto a.
Lower than the purlin along the house 12 x 1 4 3.
The soffit ended up being very cost effectiv.
You are essentially sealing off the metal roof with this flashing and you need to make sure that is securely fastened.
Today we ll be showing how we installed some polycarbonate roofing panels under our deck to make it water proof.