There are three basic models of patio covers manufactured, Flat pan, W pan and Insulated. Each manufacturer has their own proprietary specifications with all the parts designed to fit together.
The style of the roof panels in combination with the thickness of the metal that the panels are made from will determine the spanning capability of the roof panel at a particular design load. Patio covers made from aluminum are rot and rust free providing decades of service at an affordable cost. The prefabricated nature of the merchandise makes them an excellent do-it-yourself project.
For example: a 3″ tall W-pan formed from.025 aluminum is going to give you a 20# snow load at a 10′ span. Each suppliers design will have different spanning capabilities so consult the supplier for exact numbers. Your local permit office can tell you the snow load for your region.
“W” or perhaps “V” Pan Style Covers are typically 2.5″ or even 3″ tall and 8″ to 24″ wide. The name stems from the v or w shape of the pans. The panels interlock and are used with a “G” shaped exterior fascia/gutter frame work to complete the cover. This style cover can be purchased formed from.020,.025,.032 and.040 thickness aluminum. A steel version is offered by a few companies. This style cover is popular because of the great shade and weather protection afforded at a reasonable cost. “W” pan styles are harder to keep free of leaves, hail damage dents will show, and they do radiate some heat from the sun.
Flat Pan Style Covers are usually 3″ tall, in a 8″ or perhaps 12″ wide pan. The lost common thickness is.030 aluminum. This style cover is popular due to the excellent shade and weather protection afforded at a reasonable cost. The covers are frequently sold with an attaching channel, side fascias and a front gutter section to complete the top of the cover. Due to the flat style they could be used as a top for a screen room. They are governed by hail damage, the resulting dents are going to show, and they do radiate some heat from the sun.
Insulated Covers are manufactured from 2 sheets of aluminum bonded to a closed cell foam core. The density and thickness of the foam core combined with the thickness of the aluminum all effect the spanning capability of the panels. Insulated panels carry greater loads, do a great job of blocking out heat from the sun,and make a very good roof for sun rooms and screen rooms. This kind of cover gives a ceiling, roof, and insulation in a low pitched compact area.
Eave attached or even wall attached. The cover of yours can be installed on the eave or even under the eave. In case you’re setting up the cover in corner situation local code is going to require a wall mounted installation with gutters on the home above the cover.
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With a few extra parts it is easy to work around fireplaces. For places that you have a bay window or perhaps an angled wall you’re attaching to the insulated panels are more accommodating.
The next consideration will be the supporting post and beams. Set back beams support the roof panels and create an overhang. Typically, over hangs are 6″ up to 24″, an over hang of 18″ looks the best. The design of the beam, the thickness of the size and the metal of the beam will determine the beams spanning ability between post. Spans between post can be 6′ up to 20′ with 8′ between post the foremost common.
Post can be installed on the concrete slab or deck on a bracket or mounted in the ground in cement. The most popular post are 3″ x 3″ x 8′ or perhaps 10′ lengths. Larger sizes and a multitude of post styles are offered to accommodate most any architectural style. For screen rooms the screen wall framing eliminates the need for beams and post, as the screen walls act as supports for the roof.
Pre-fabricated Patio Covers offer various solutions to providing shade and weather protection for the patio area of yours. Covered patios get far more use then non covered decks and patios. They add value to your home and enhance your out door living environment. Options include ceiling fan accommodations, sky-lights, wall enclosures, custom arrangement of parts to accommodate your needs.