Rainscreen Meeting Roof Detail
To provide solid nailing for the window flanges the rough opening is picture framed with 2 2 furring.
Rainscreen meeting roof detail. This detail is provided for conceptual purposes only. A vented rainscreen is an increasingly common exterior detail on exterior walls. The actual design panel system fabrication and installation are not provided by 3a composites usa inc. A rainscreen is defined as the entire system of the siding drainage plane and a moisture air barrier.
In 2013 the legislation was changed requiring all stratas to have depreciation report. The difference between a wall cladding and a rainscreen is this space. 3a composites usa inc. Changes to the building code mean that in some parts of canada in particular coastal areas with high precipitation rainscreen detailing is mandatory.
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. 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. 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.
It all starts at the drainage plane. 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. This is the crinkly version of tyvek. However whether or not the code requires a rainscreen it is a better way to detail exterior cladding of buildings.
Does not make any warranties express or implied including merchantability and fitness for purpose. 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. The 2 4 framed walls of this house were sheathed with 1 2 plywood my preference over osb then we wrap the house in tyvek drainwrap or stuccowrap same product different roll sizes. 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.
Building pa er to l ap fl sh ing m 4 seal to fla hing p. Architectural details for rain screen wood cladding design over exterior insulated sheathing up to 1 thick using the climate shield attachment channel. For an animation on what is a rainscreen follow this link. Is the topside rainscreen air space detail opened to the outside so that air can circulate through it.
The report is prepared by an engineering company that inspects the building in great detail and outlines the condition of each component.