Flat Roof Porch Construction

Two people can install a brand new deck in a weekend with little or no previous construction experience.

Flat roof porch construction. Do this by using a taut string line or a long straight board. Flat roofs usually come with a 10 to 20 year warranty but can last 25 years if you build the roofs right and maintain them using commonsense rules. Sizes of joists needed for flat roof construction. So any timber joists that are used need to be strong enough to support this weight.

Hot tar and gravel. One of the trickiest parts of the porch construction is joining the two roofs. These decks are often referred to as floating as they are not secured in place as a stand alone structure. Additionally you can use decorative posts to make your porch look classy.

Of course you don t need to live in a modern house to deal with a flat roof. Yet for historic modern style buildings like this old house s cambridge tv project flat roofs are at the core of the architecture meant to reflect the broad horizontal lines of the natural landscape. Above the porch framing to compensate. The key is to extend lines from the new porch and mark where they intersect the existing roof.

First you must make sure the roof is strong enough to support 55 lbs per square foot. Porch roof construction includes not only porch roof construction types and designs but also the selection of materials and considerations you ll need to build your roof. Inspect the roof to make sure it is in good condition and acquire any permits that may be required by the local zoning board. There are different kinds of roof designs such as cat slide flat gambrel or gable porch roof.

Building a deck on a flat roof is neither difficult nor time consuming. Flat roofs aren t architecturally logical as rain and snow will shed much more quickly off a sloped roof. The 3 most common materials used for flat roof construction. From gable and shed roofs to hip and flat our information about how to build a porch roof will make the job easy.

They are merely placed on top of another structure. Old asbestos roofs are often replaced with flat roofs. Building a deck over a flat roof is very similar to building a deck over a concrete patio. As you may imagine there is a fair amount of weight involved here in terms of boards felt etc.

For that reason cold flat roof construction needs to keep in mind the need for unblocked airflow. Remember to raise the tie in framing on the existing house roof in. Pros and cons for flat roof materials all three types of flat roofing cost 250 to 350 per square 100 square feet but prices vary according to region and size of the roof.