A vented rainscreen is an increasingly common exterior detail on exterior walls.
Rainscreen meeting roof detail.
Alucobond sheets are marketed to a network of qualified fabricators installers who provide the installed system.
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.
Changes to the building code mean that in some parts of canada in particular coastal areas with high precipitation rainscreen detailing is mandatory.
Does not make any warranties express or implied including merchantability and fitness for purpose.
Architectural details for rain screen wood cladding design over exterior insulated sheathing up to 1 thick using the climate shield attachment channel.
It all starts at the drainage plane.
The details shown here were developed for walls sheathed with 1 1 2 in thick rigid foam insulation applied directly to the studs.
Building pa er to l ap fl sh ing m 4 seal to fla hing p.
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 difference between a wall cladding and a rainscreen is this space.
In 2013 the legislation was changed requiring all stratas to have depreciation report.
The report is prepared by an engineering company that inspects the building in great detail and outlines the condition of each component.
This is the crinkly version of tyvek.
The depreciation report will state in what condition the exterior wall is in and whether there is a rainscreen or not.
For an animation on what is a rainscreen follow this link.
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.
To provide solid nailing for the window flanges the rough opening is picture framed with 2 2 furring.
However whether or not the code requires a rainscreen it is a better way to detail exterior cladding of buildings.
Is the topside rainscreen air space detail opened to the outside so that air can circulate through it.
The foam is taped and acts as an air barrier and drainage plane.
This detail is provided for conceptual purposes only.
3a composites usa inc.
The actual design panel system fabrication and installation are not provided by 3a composites usa inc.
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.
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.