Built Up Flat Roof Details

The following outlines ways to build protect and reinforce your roof.

Built up flat roof details.

As a system built up roofing bur is a type of asphalt roofing that has been around for more than 100 years. Some carry warranties of up to 20 years approaching those for sloped roofing. Here we ll discuss types of flat roofing. When building a flat roof it is vital that a degree of falls is built into the construction to ensure rainwater run off.

It is one of the most common materials used on low slope or flat roofs. If you build and flash one right and keep it clean a good flat roof won t leak says toh general contractor tom silva who had seven different flat roofs. Built up roofing also called bur is the most common roofing material used on low slope roofs. Ultimately a flat roof should play a part in a total architectural composition and has the ability to enhance the aesthetic and practical outcomes of a home.

Wally for the project kick off segment of the roofing it right miniseries on installing a commercial roof from start to finish. Given that the specially selected insulation layer is loose laid it will require ballasting to guard against wind uplift or floating in wet conditions. Whether you re in the design phase or on the roof we can provide the tools and support to get the project done right. There is a wide variety of flat roof materials available each with its own advantages and drawbacks.

The definition of a flat roof according to bs 6229 is having a pitch less than 10 o to the horizontal however some in the industry would consider up to 15 o as their definition of a flat roof. Whether you re an experienced commercial roofer a steep slope roofer thinking of adding low slope services or just like to learn from the best you ll want to join gaf senior commercial training specialists dave scott and wally brown dave amp. Flat roofs come in many shapes and sizes which include parapet roofs roof decks and green roofs to name just a few of the options available. The basic construction of a flat roof starts with roofing timber that is laid across two upright items usually two walls.

Having a manual for warm flat roof construction with details and a summary of rules to follow helps. Commercial roofing specs and details find the resources you need to design the best roofing system for your project. That will help you remember certain factors and details to build the best possible flat roof. A further benefit of this type of flat roof build up is that the waterproofing layer is hidden and thereby protected from the effects of solar gain.

It is composed of alternating layers of reinforcing fabric and bitumen asphalt and is finished with a top layer of aggregate such as stone or gravel. Fortunately modern materials for covering flat roofs have improved considerably over the past two decades.