How To Build A Deck Over A Metal Roof

Frame up a box the size of the outer dimensions of your deck using 2 by 4 inch lumber.

How to build a deck over a metal roof.

How to build a tin roof over a deck. Use thru bolts for a solid and strong connection. First mark all the purlin locations on the deck joists. I am working on a roof deck.

These roofs are usually easy to install over a deck or patio just make sure you re not breaking any local building codes. A reliable roof membrane and details that minimize any damage to the. As a result most decks have inadequate footings to support a. Notice that the tops of the 6x6 support posts are notched to hold the header beam.

Mark the line 2 inches in from. Here are 10 options we love. For example assume the porch measures 12 feet wide and 8 feet. Then stretch a string between them.

Tie your existing deck posts into the roof by extending your corner posts with the 4 by 4 lumber. How to build a roof over a deck. Start by drilling a hole slightly larger than the threaded rod. Installing a porch roof over an existing deck is usually not recommended unless the deck was originally designed to support a future porch.

Porch decks require 25 additional psf for roof loads for a total of 80 psf. Install the 2 2x10 header beams to the notched 6x6 support posts. Check local building code to see if you can attach a patio roof directly to your deck. Mark the porch with a line parallel to the edge farthest from the house.

There are tons of reasons to build a deck over a roof from creating a romantic outdoor breakfast nook off a second floor master bedroom to providing a second floor porch on a city house. This meant the patio cover could start at the edge of the house s roof at a height of eight feet and slope down to seven feet leaving a clearance of more than six and a half feet between the lowest part of the frame s headers and the ground at its outer edge. Blow out the dust fill the hole with epoxy and insert the rod to the required depth. Install the header beam.

Build the frame of the roof on the ground. I repair replace and build decks i do not notch my 4x post but when it is there already i like to use metal bracket on the two sides and if possible go underneath the deck and beef up the framework and add more support were i can the main idea in my opinion on rail system and support depends on how high the deck is. Install temporary bracing to keep the support posts level and in place. Install the purlin along the house and the outer purlin.

Typical decks are designed to support 55 psf lbs per square foot. Measure the porch to find the best length and width for a tin porch roof. A metal deck roof will add shade and make your deck or patio space more comfortable during the hot summer months. If the span under your deck is 12 ft for example the purlin at the outer end of the deck should be 3 in.