Flat Roof Porch Construction

These decks are often referred to as floating as they are not secured in place as a stand alone structure.

Flat roof porch construction. For that reason cold flat roof construction needs to keep in mind the need for unblocked airflow. The key is to extend lines from the new porch and mark where they intersect the existing roof. 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. Before beginning however it is important to do two things.

Building a deck on a flat roof is neither difficult nor time consuming. First you must make sure the roof is strong enough to support 55 lbs per square foot. There are different kinds of roof designs such as cat slide flat gambrel or gable porch roof. Building a deck over a flat roof is very similar to building a deck over a concrete patio.

Old asbestos roofs are often replaced with flat roofs. 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. Remember to raise the tie in framing on the existing house roof in.

There are several methods and materials for the design of the exterior surface of a warm or cold flat roof. Sizes of joists needed for flat roof construction. As you may imagine there is a fair amount of weight involved here in terms of boards felt etc. The 3 most common materials used for flat roof construction.

Choosing between them remember that the porch roof has to fit in the existing design and color scheme and complement the architectural style of the house. Additionally you can use decorative posts to make your porch look classy. Do this by using a taut string line or a long straight board. 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.

One of the trickiest parts of the porch construction is joining the two roofs. Two people can install a brand new deck in a weekend with little or no previous construction experience. Inspect the roof to make sure it is in good condition and acquire any permits that may be required by the local zoning board. 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. So any timber joists that are used need to be strong enough to support this weight. Above the porch framing to compensate.