Flat Timber Roof Detail

The basic construction of a flat roof starts with roofing timber that is laid across two upright items usually two walls.

Flat timber roof detail.

Cold roof vent timber. Inner gutter in a warm roof. Where a new flat roof abuts an existing external wall the joists can be hung on metal joist hangers which are fixed to a horizontal timber plate wall bolted to the wall. Flat roofs aren t actually flat but must slope to drain water.

For additional stability you can also use steel joists that are built into one or both of the walls. Cold roof vent for ventilation of a roof spacing. Usually a flat roof is built with a slight slope to provide some drainage. Mounting parts snow guard.

Flat roofs can be used to create box shapes cantilevered into daring overhangs or can be planted to create usable vegetated gardens. A cold flat roof is one where the insulation is between or between and below the roof joists. 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. See more ideas about roof detail roof architecture details.

This is used for refurbishment e g. The steels or rsj s rolled steel joists are often built into one or both walls to give added stability to the roof structure. The flat roof is an architectural device that is loved by designers for its ability to create simplistic linear forms. Trada and approved document part a give guidance on sizes of joists for flat roofs relating to spans and loading.

A roof which is approximately flat is called as a flat roof. Having a manual for warm flat roof construction with details and a summary of rules to follow helps. On a basic level flat roof construction comes in the form of roofing timbers or joists as they are more commonly known or steels that are laid across two uprights walls in most cases. Search flat roof details.

Refurbishing an existing timber joisted flat roof which has no insulation. Sep 10 2020 explore son nguyen hoang s board roof detail followed by 144 people on pinterest. The construction of the flat roof is similar to that of the timber upper floor. Vent stack inverted roof.

The insulation is below the deck but above the plasterboard. Joists are placed on edge spaced at 400 600mm centres supported by external and internal load bearing walls.