How To Make Deck Roof Under Gutters

Porch decks require 25 additional psf for roof loads for a total of 80 psf.

How to make deck roof under gutters.

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. Retrofit a system that channels runoff toward a dedicated gutter. Then run joists connecting the front of your roof with the rear every two feet along the length of your roof. As a result most decks have inadequate footings to support a new porch roof.

We used a hacksaw to shorten one length of gutter needed for our beam. Build the frame of the roof on the ground. Place a wood block in the gutter as you cut it to help hold its shape. Then stretch a string between them.

Many porches use 22 diameter corner and intermediate. Choose your preferred gutter hanger. Even better the ceiling systems highlighted below are suitable for diy installation. Install the purlin along the house and the outer purlin.

The footings for porch decks must be larger than deck footings. Frame up a box the size of the outer dimensions of your deck using 2 by 4 inch lumber. We used hidden hangers for this project which were placed every 2 in our gutter section while it was still on the ground there won t be enough room to fit them in once the gutter in mounted. Epdm rubber panels from dek drain 5 to 6 per sq.

Lower than the purlin along the house 12 x 1 4 3. A length of gutter is attached to the structure just below the downspouts to collect water and lead it away from the protected area. Ft drape between the lower edges of deck joists to form sloped water diverting troughs that resist heat wind fire and uv rays. If the span under your deck is 12 ft for example the purlin at the outer end of the deck should be 3 in.

First mark all the purlin locations on the deck joists.