Under-deck-roof-between-joists, convert the space under a second-story deck into a dry, spacious patio by installing this simple, under-the-deck roof and gutter system. one of our readers, rune eriksen*, sent us photos of his design for a home-built deck drainage system, and we were impressed enough to check it out. his low-cost .... The under deck oasis system consists of aluminum panels suspended from metal carriers attached to the joists. under deck roof between joists. this framing style is called post and beam, and the overhang is a cantilever. the run is the distance of the deck joists as they continue away from the house toward the beam that holds them up., i have built below-deck storage sheds using plastic corrugated roofing, attached with rubber-gasketed roofing screws. one time i fastened the corrugated roofing to the joists above, with tapered spacers to create a slope, and another time fastened to the roof rafters of the shed below the deck as there was plenty of headroom..

A little diligence and inexpensive deck flashing tape help protect your deck from joist rot. here are some tips to prevent joist rot., the trex rainescape membrane, which comes in rolls, is fastened loosely to the top edge of deck joists. the downspouts can be oriented to fit between joists spaced 12 or 16 inches on center..

Recommended beam & joist spans for deck framing. the bigger you make your deck, the more you ask of the framing timbers that hold up the deck's structure, and the joists and beams that support the ...