Construction Warm Flat Roof Fascia Detail

This article covers all manner of flat roofing venting methods and details on how to build a flat garage roof and how to frame a flat roof and also encompasses flat roofs roof decking roof coverings including flat roof felt how to prevent leaks at abutments timber flat roof construction details and parapets and common.

Construction warm flat roof fascia detail.

As with the construction of any type of roofing system it s crucial to understand the correct process and essential criteria involved in flat roofing construction. Your sketches seem to show the insulation proportionately thinner than it needs to be. A roof is defined in bs 6229 as a flat roof if it has a pitch of 10 degrees or less. Your flat roof construction detail drawing has one obvious mistake.

Flat roof types. While many will contact a professional installation company to complete the job there are others who will feel confident enough in their own ability to install a flat roof onto the structure. Those details show the chief drawback of the warm roof the deep fascia. Flat roof construction for residential.

So if i make the new roof a warm roof insulation behind the fascia is straightforward if fiddly i just need to persuade the roofer to close and insulate the gaps between joists by taking off the old fascia and inserting pieces of rigid insulation between joists and use expanding foam to seal the insulation to the joists roof board and wall including the ceiling plasterboard to the. For additional stability you can also use steel joists that are built into one or both of the walls. Whether the joists are angled or you use firrings. It must provide adequate protection against the elements keeping the buildings structure and interior dry.

No flat roof is truly flat. No one online shows you this which is. Say 150 joists and 152 beam which gives a fascia about 450 deep rather ungainly. Although flat roofs are cheaper to build than pitched roofs they have a shorter life span.

Having a manual for warm flat roof construction with details and a summary of rules to follow helps. This video shows detailed drawing. The basic construction of a flat roof starts with roofing timber that is laid across two upright items usually two walls. Hopefully this video will help explain the difference between warm flat roof construction and cold flat roof construction.

Using timber wall plates. By way of metal flat roof joist hangers. Construction studies drawing detail showing how to draw a flat roof warm deck construction detail to a scale of 1 10 with a short introduction highlighting t. A flat roof must be strong durable and stable throughout its lifetime.