Rainscreen Detail Flat Roof

A rooftop garden or additional outside living space are the top reasons people choose flat roofs.

Rainscreen detail flat roof.

The davidson residence above uses a built up flat roof deck at the center portion of the house the portion with the guardrails. The 3 most common drain systems of a flat roof. A roof is considered to be flat when it is of a slope of 1 5 o to the horizontal. Some observers suggest it s harder to replace a flat roof than a traditional pitched shingle roof because of the labor required to remove its layers especially on older flat roofs.

With countless combinations colors and multiple finish options intercept panels can inspire the artist at the core of every architectural designer. The cavity helps wall assemblies dry out. On top of your first layer of roof sheathing you install parallel 2x4s on the flat from eave to ridge with one 2x4 above each rafter or truss. As long as the cap flashing is sloped to the roof the additional water that gets behind the rainscreen panels is negligible.

Install these perforated metal panels vertically or horizontally. The third and last example is perhaps the most complicated. Then you install a second layer of roof sheathing followed by roofing underlayment and roofing. If the attic is ventilated morgan says a rainscreen detail on the roof is unnecessary.

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. Centria offers ecoscreen perforated screenwalls which provide an airy aesthetic. The roof mikkelsen says is insulated with spray polyurethane foam applied on the underside of the sheathing meaning the roof is not ventilated. Intercept modular metal panel systems interrupt conventional thought on rainscreen wall systems to inspire spectacular visual results.

Flat roofs are hard to replace. They are ideal for climates that don t experience large quantities of rain and moisture. Simply put we built a wood deck over a sloped roof system. Flat roof construction for residential.

This creates your 1 5 inch deep ventilation channels. Although flat roofs are cheaper to build than pitched roofs they have a shorter life span. Flat roofs have unique architectural characteristics that make them desirable in many situations.