cellulose / Green Building & Sustainable Home Renovation Information & Advice

Dense-packed cellulose wall insulation
Wall assemblies - new construction

Dense-packed cellulose insulation wall systems

...cellulose insulation can be a superior product to commonly used batt insulation, but somehow it has developed a bad reputation in Canada. Cellulose Fibre Insulation (CFI) is like the Rodney Dangerfield of insulations, it "can't get no respect". When done right, dense-packed cellulose is a highly efficient option for in...

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

...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 a total of R-69. The roof’s raised-heel trusses are filled with 30” of dense-pack cellulose (R-100). An “intelligent” membrane acts as our va...

Passive House in Quebec
Passive House

The Passive-Aggressive House - Our History of a Passivhaus Build

...cellulose insulation – basically plant fibers resembling shredded newspaper, one of the oldest and safest insulating materials around – still the fear of doing something “different” resurfaced in remembering Chantelle. So I began to empathize with builders who had an aversion to new techniques. Mistakes can happen in a...

Naugler House: the most energy efficient Passive House design in New Brunswick
Efficient home design

New Brunswick's most energy efficient home is Passive House designed

...cellulose. Next comes a 6 mil polyethylene barrier sealed with tapes, then 1.5’’ strapping to create a service cavity, followed by 1/2’’ of drywall. Dense packed cellulose insulation in the walls Heating and ventilation: With a PHPP calculated heating load of 7 W/m2, the heating requirements of the Naugler H...

Roxul mineral wool batt insulation in LEED Homes
Insulation and soundproofing

Choosing the right insulation: the pros, cons and applications for walls, slabs & basements

...cellulose insulation Blowing cellulose insulation in roof  © Ecohome Recycled Content: 80% to 100% Method and form: Cellulose consists of shredded newsprint and is non-toxic, recycled and generally local. It’s great for attics, you can blow it to whatever depth you want (with proper ventilation) and there are no se...

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

...Cellulose: 2x6” stick frame wall with dense-packed cellulose in the cavities (R19) Plywood sheathing taped to act as vapor barrier and air barrier 11 7/8" TGIs (I-joists) as a double-stud wall attached to the exterior of the sheathing (R42) 1.5" ECO4 Wood fiber-board rigid exterior insulation (R4) Weather barrier (WRB...

How to Build a Frost Protected Shallow Foundation (FPSF) Forms
Delivery: radiant, forced-air and decentralized

Design and construction of frost-protected shallow foundations with radiant heat

...cellulose insulation and air tight building envelope similar to a Passive House design in this beautiful prefab home kit which was a model from Ecohabitation, our non-profit sister in Quebec.  Building Legalett's frost protected shallow foundation forms with radiant floor heating consists of: Set a benchmark level on ...

Prefab Passive House & LEED Kit Homes for Sale in Ontario & North Eastern US
Concept and design

Prefab Passive House & LEED ready kit homes - the future of buying a new home?

...cellulose insulation), and wood fiber insulation panels.  Double-framed wall construction with two offset rows of 2x4s studs injected with high-density cellulose insulation that will not settle over time The panelized prefab wall assembly was designed to dry outward, with glued, stick-on vapor-permeable WRB membranes ...