He attached the panels with special roofing screws that have hex heads and neoprene washers for sealing.
Under patio roof with drainage.
Water pooling on a patio or deck can cause mildew growth can stain concrete and creates slippery conditions.
If your patio is completely flat and has low spots where the water collects it needs to be angled or sloped slightly so the water will run off the surface much like a roof gutter is sloped to direct water to the downspout.
You can install a french drain at the edge of the patio downslope to do this.
More simply the patio can be designed with a channel running around all four sides.
The panels he used are 26 in.
This channel will be the drain and will catch all the water that falls on to the patio.
Even if you move it off the patio and away from the house you may still have to move the water elsewhere.
Dig a channel or trench to a depth of about 18 to 24 inches and depending on the size of the drainage pipe 6 to 12 inches wide.
French drains could be installed under the patio feeding in to the main drain planned in step 2.
Round up the materials for an under deck drainage system.
Rune bought corrugated fiberglass panels at a home center to use for his under deck roof.
Under deck ceiling systems provide an all in one drainage and ceiling finish that is particularly suitable for areas beneath a deck that are high enough off the ground to provide a sheltered outdoor living space below.
Drain path and trench the french drain should run from the patio area where the water pools to a lower spot on your property.
Wide and 12 ft.
A system compatible aluminum trough is fastened below the joist header to carry runoff to one or more downspouts that drain to the ground outside the protected area.
Find under deck ceiling systems at lowe s today.
Use stakes to indicate the drain s path.
Make your own from a pvc pipe with holes in the bottom buried under the gravel that allows water to sink to the pipe once it hits.
The underdeck ceiling system can turn the ugly space under your deck into an outdoor haven that s dry bright clean and enjoyable without costly reconstruction.