Build Gable Roof Over Deck

Building a gable roof over your existing deck will make it more comfortable providing shade and shelter from the rain.

Build gable roof over deck.

Always use professionally engineered roof trusses designed for the dimensions of your roof. Use 8 penny nails to attach the first 2 in 4 in 5 1 cm 10 2 cm board to the wall studs. Build a gable roof over a deck. Frame up a box the size of the outer dimensions of your deck using 2 by 4 inch lumber.

This significantly sloped deck roof allows for proper drainage of rain and snow as opposed to a flat roof. Nail the first boards on top of your wall where you plan to build your roof. Paint your gable roof as required. Be sure to overlap the roofing felt 4 inches at all edges.

To provide for roof decking nail the sheeting pieces of inch plywood to the trusses. How to build gable roof over deck porch. When you nail in the second boards offset the seams of the upper and lower layers by at least 24 in 61 cm. Nail 2 boards onto your walls as top plates.

Next install the roofing drip edge and finish with roofing shingles. Step 1 build the frame of the roof on the ground. Attach roofing felt to the plywood with roofing tacks. Porch decks require 25 additional psf for roof loads for a total of 80 psf.

Typical decks are designed to support 55 psf lbs per square foot. Installing a porch roof over an existing deck is usually not recommended unless the deck was originally designed to support a future porch. Gable roof the most common type of deck roof the gable roof forms a triangular shape projects along a ridge down the center of the deck and overhangs the enclosed space.