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.
How to make deck roof under gutters.
Retrofit a system that channels runoff toward a dedicated gutter.
Lower than the purlin along the house 12 x 1 4 3.
Cut gutters to fit your dimensions.
Then stretch a string between them.
Then run joists connecting the front of your roof with the rear every two feet along the length of your roof.
Ft drape between the lower edges of deck joists to form sloped water diverting troughs that resist heat wind fire and uv rays.
As a result most decks have inadequate footings to support a new porch roof.
If the span under your deck is 12 ft for example the purlin at the outer end of the deck should be 3 in.
Porch decks require 25 additional psf for roof loads for a total of 80 psf.
Epdm rubber panels from dek drain 5 to 6 per sq.
Build the frame of the roof on the ground.
Even better the ceiling systems highlighted below are suitable for diy installation.
Many porches use 22 diameter corner and intermediate.
The footings for porch decks must be larger than deck footings.
First mark all the purlin locations on the deck joists.
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.
Install the purlin along the house and the outer purlin.
Here s a quick way to gain dry storage or living space under a raised deck.
A length of gutter is attached to the structure just below the downspouts to collect water and lead it away from the protected area.
Choose your preferred gutter hanger.
Typical decks are designed to support 55 psf lbs per square foot.