Rainscreen Meeting Roof Detail

This is the crinkly version of tyvek.

Rainscreen meeting roof detail.

A rainscreen is a veneer of some variety that stands off from the wall sheathing to create a space between the wall and the screen. Instead of attaching siding directly to the sheathing builders add an air space behind the siding which helps carry away moisture and prolongs the life of the siding. In 2013 the legislation was changed requiring all stratas to have depreciation report. A vented rainscreen is an increasingly common exterior detail on exterior walls.

It all starts at the drainage plane. Changes to the building code mean that in some parts of canada in particular coastal areas with high precipitation rainscreen detailing is mandatory. S ra ping cla ding 1 2 lower th an str ping bug scr en f las hin gto av e6 b ck up w cladd ingto lap f sh by 4 min 2 cl ear nb tw cla d inga r of. This detail is provided for conceptual purposes only.

Building pa er to l ap fl sh ing m 4 seal to fla hing p. I can see the need for this detail with spray foam applied to the underside of the decking but also with any vaulted ceiling system or attics with any type of insulation obscurring the underside of the roof deck. The depreciation report will state in what condition the exterior wall is in and whether there is a rainscreen or not. However whether or not the code requires a rainscreen it is a better way to detail exterior cladding of buildings.

The difference between a wall cladding and a rainscreen is this space. Is the topside rainscreen air space detail opened to the outside so that air can circulate through it. The actual design panel system fabrication and installation are not provided by 3a composites usa inc. The details shown here were developed for walls sheathed with 1 1 2 in thick rigid foam insulation applied directly to the studs.

The foam is taped and acts as an air barrier and drainage plane. For exterior insulation over 1 thick consult with your project engineer for the proper size and spacing of the screws required to fasten the attachment channel to your substrate screws not. Detail march 2 07 60 m infl ash g per o nis heat g b i d roo f am ingd l sh 15lb r o fing elt met alf shing 2layers of 30min. Does not make any warranties express or implied including merchantability and fitness for purpose.

For an animation on what is a rainscreen follow this link. To provide solid nailing for the window flanges the rough opening is picture framed with 2 2 furring. 3a composites usa inc. Architectural details for rain screen wood cladding design over exterior insulated sheathing up to 1 thick using the climate shield attachment channel.

The report is prepared by an engineering company that inspects the building in great detail and outlines the condition of each component.