Double stud wall / Guides

Passive House wall system ; Larsen Trusses & dense-packed cellulose insulation
Wall assemblies - new construction

Larsen truss wall systems with double-stud construction & extra insulation for new homes & energy efficient home renovation

...double-stud wall assembly that allows for thicker insulation, is ideal for dense-packed cellulose insulation wall systems and a very high R-value building envelope without many of the problems associated with double-stud wall construction. Not only is it a great wall system for new green home building incorporating a d...

Dense-packed cellulose wall insulation
Wall assemblies - new construction

Dense-packed cellulose insulation wall systems

...double wall construction will also increase the insulating efficiency by eliminating the thermal bridging heat loss you get in a traditional wall design where the wood studs (only R1 per inch), extend from the outside of the wall to the inside. There's also another option for building Double-Stud super insulated wall...

Off grid, passively heated and cooled house in the Gatineau Hills, Que
Off-grid and Net-Zero Housing

Off grid living blog, part 2: passively heated, this house in Quebec aims for LEED certification

...double exterior wall are plenty. It eliminates thermal bridging through studs, provides lots of room for insulation, and the air/vapour barrier is sandwiched between walls where it won't need to be punctured for electrical work, as all wiring is done on the interior 2x4 wall. High efficiency Double wall...

Net Zero Energy homes Edmonton Alberta
Off-grid and Net-Zero Housing

Net Zero Energy house in Edmonton, Alberta

...double stud wood framed walls and attics. It is densely packed in the walls to avoid settling. Cellulose is made predominantly from post-consumer recycled paper. Heating: Each Belgravia Green home will have a completely different heating system. One home will have geothermal heating, which requires a slightly...

Choosing a building envelope
Wall assemblies - new construction

Choosing a building envelope - starting with the perfect wall

...wall? What is the most energy efficient wall? What is the most soundproof wall? What is the most affordable wall? That is just a short list of things to consider, and despite many people online saying they have " The Perfect Wall " there isn't one right answer, because honestly the perfect wall system for your ...

Yukon's first LEED certified home
LEED Homes

The Yukon's First LEED Certified Home

...Double stud walls with no thermal bridging Greywater heat recovery system Electric baseboard heaters (98% of Yukon electricity is renewable) Heating costs are 50% lower than an R2000 home Results like we are seeing here go a long way to dispelling the myth that building green homes costs more. And as news spr...

Building science for LEED v4 wall design made easy
Concept and design

Building science for LEED v4 wall design made easy - video

...Wall Design: Building Science The wall we designed for the Edelweiss house, Canada's first LEED Platinum V4 Home is best categorized as a 'REMOTE' wall, a high performance building envelope developed by the Cold Climate Housing Research Centre in Alaska. REMOTE stands for 'Residential Exterior Membrane Outside-in...

How to Build With Less Wood for Best Performance
Wood and organic materials

How to build high performance homes with less lumber

...double what code would require in many cases, and it's also a smarter long term investment in colder climates. Legalett ThermalWall rigid foam insulation panels This wall assembly doesn’t need an interior poly vapor barrier as the foam will be the vapor barrier. Double stud dense packed cellulose walls Cell...

Energy modeling simulation of heat loss through thermal bridging
Efficient home design

What is a thermal bridge and why is it so important to break it?

...wall assemblies we have little choice but to use some kind of heat conducting material as wall frames; foam studs wouldn't carry a Canadian snow load. What you can do is factor that in during the design phase so you achieve the actual wall performance you want. Installing R19 batts of insulation with R5 wood studs on...

Building a Passive House that's LEED Certified too - an Owner's Tale
Passive House

An owner/builder's account of building a Passive House

...double-stud wood structure (an alternative to double-stud would be a Larson truss wall, see here for details) jammed with 17” of dense-pack cellulose insulation . A 1-1/2” service cavity inside is capped with drywall, while the exterior is sheathed with 1-1/2” fibreboard, double furring and vertical hemlock siding for ...

Multi Unit Passive House design Vancouver Island BC
Passive House

The North Park Passive House on Vancouver Island, BC

...walls between suites . Mineral wool acoustical insulation was used between floors in conjunction with concrete floor topping, plus resilient strips and double drywall on the ceilings. Cast iron drain pipes were used to minimize the sound of drain water. Double-stud party walls acoustically separate the suites, and “Qui...