Examples of typical bpc double wall construction figure 3 shows some of the different ways bpc builds its walls.
Decouple walls from floor double wall construction.
The double stud wall is a well established method for creating a very economical durable and high r value assembly in new construction and is one reason it s included as one of the basic 475 smart enclosure system assembly types.
The double wall has been used to build energy efficient homes for a long time.
It is a 2 6 wall with drywall insulation and sheathing.
The same benefits are observed to the same extent on decoupled walls such as double stud walls.
Learn more about double stud walls here.
The inner leaf would need to have its own slab or floating floor.
Ways to decouple a wall.
There are a few ways that you can decouple walls and each way has its own pluses and minuses.
So studs on floor and ceiling eing supported by wall frames.
The first example on the left is a single double wall hybrid construction.
The gap between the inner and outer walls that the window and door openings need to bridge.
The external wall frame floor and ceiing outer leaf are all touching.
This is also one of the ways to build what is referred to as a room inside a room.
In this article he uses photographs and a detailed illustration to showcase how his team builds the vapor open double stud wall assembly beginning with the exterior wall framing all the way to the ridge and then turning to the interior walls.
While there are many ways to do it the basic premise is to build one structural wall typically the inside wall build a second wall around it and fill the space between with insulation.
Green glue damped double stud wall.
We know pushing standard code minimum construction toward high performance is complicated.
The inner leaf walls and ceiling are built on this slab and never come into contact with the outer leaf.
High performance builder dan kolbert s ideal wall is a double stud approach filled with dense pack cellulose insulation.
The most effective form of decoupling that can be achieved is by building a room within a room.
Ways that you can decouple walls.
By an enormous margin pound for pound the best wall that you can build is a visco elastically e g.
This method is achieved through building two separate stud walls with a small space between the two sides.
The double stud wall simplified low cost high performance simplify.
Table choosing the right decoupling system for low frequency performance.
Room within a room.
In her energy smart details article architect rachel wagner discusses double stud wall construction.
Sound isolation clips and resilient channels.
Room within a room.
Learn more about double stud walls here.
