Wooden Flat Roof Construction Details

Having a manual for warm flat roof construction with details and a summary of rules to follow helps.

Wooden flat roof construction details.

A guide to the recommended types of covering and links to construction kits with all the materials you need for your diy roofing project. Construction details are provided for the following spf roof system types. Sills and plates normally provide adequate firestopping in walls and partitions. Learn how to make and install a flat roof on your building with advice on flat roof design and planning.

You can go for an extended roof that covers a few feet outside the external walls of the house. From there the flat roof system you choose will determine the materials you apply. Timber framed and historic buildings may be framed with principal rafters or timber roof trusses. Chapter 8 construction details provides technical information concerning the design and installation of construction details for quality spf roof systems.

Modern timber roofs are mostly framed with pairs of common rafters or prefabricated wooden trusses fastened together with truss connector plates. There is no great architectural splendour in these roofs. The basic construction of a flat roof starts with roofing timber that is laid across two upright items usually two walls. Guide to flat roof construction how to build a flat roof.

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. Other firestopping requires 2 inch lumber or two thicknesses of 1 inch lumber with staggered joints or one thickness of inch plywood with joints backed by 1 inch lumber or inch plywood. This introduction is intended to supplement the special notes on the individual construction details. Flat roofs aren t architecturally logical as rain and snow will shed much more quickly off a sloped roof.

Flat roof designs are quite common in residential buildings. Flat garage roof design. The first flat roofs in central europe wood cement roofs and early reinforced concrete. This design is often incorporated to add to the beauty of the house.

That will help you remember certain factors and details to build the best possible flat roof.