Flat Roof Panel Construction Details

Introduction to flat roof details the roof is a key element of the building structure providing protection from the elements and has a vital role in reducing heat loss from the building.

Flat roof panel construction details.

Metal roofing specifications cad pdf drawings testing bim. Underneath the basics flat roofs are usually constructed with a ceiling nailed to joists which support a deck usually wood in residential construction a vapor barrier insulation and a roof board. Passivhaus requires 0 6m3 h m2 frequently the design airtightness value differs considerably from the actual as built value. The structural insulated panel association sipa is a non profit trade association representing manufacturers suppliers dealer distributors design professionals and builders committed to providing quality structural insulated panels for all segments of the construction industry.

Cad details document name pdf dwg download all cad construction details 37 1 mb 3 4 mb mc01 identification of roof areas 694 kb 167 kb mc01a single layer underlayment 678 kb 302 kb mc01b double layer underlayment 711 kb 322 kb mc02 vent pipe flashing 626 kb 349 kb mc03 valley. The substructure to which the metal panels are fastened must be properly spaced and sufficiently thick to provide a roof or wall system able to meet required design loads. A classic flat roof is either almost completely level or has a very slight pitch of 3 in 12 inches or less. If a sheet must be bent a gentle 90 degree bend is the maximum recom mended.

Panel length per slope that will provide adequate drainage. Most flat roofs are typically not as long lasting or durable as sloped ones because the latter shed snow and rain a lot quicker. For longer slopes and lower roof pitches contact fabral for other suitable profiles. Insulation for the warm flat roof only the basic construction process.

A 2 nominal lumber thickness provides the maximum pullout values for both screws and nails when the fasteners penetrate a minimum of 1 into the wood. Also for exposed fastener panels wall panels tiles soffit fascia copping. Roofs tend to be either pitched or flat and typically in residential construction timber is the most common material used. From there the flat roof system you choose will determine the materials you apply.

For flat roof construction the target should be lower at a maximum of 3m3 h m2. A blower door test would help to detect leakages and ensure the performance of the construction is as designed and required. That will help you remember certain factors and details to build the best possible flat roof.