Project team

Design and Construction: McClure Construction
Registration date:  April 15, 2016
Region: Drummondville, Quebec
Type of construction: Single-family new home
PSI rating: 41 kWh / m²
Estimation method: Measured

Products worthy of mention

Description of the envelope - Insulation values

Aboveground walls: R60
Roof: R100
Slab on floor: R30

Slab construction

  • Base consisting of 6 inches of crushed stone
  • 4 "of rigid insulation under the footing, 7" of expanded polystyrene under the center
  • Vapour barrier
  • Concrete finished with linseed oil

Description of the walls from inside to out

  • Gypsum board on furring strips
  • Vapour barrier
  • 16 inch thick dense-packed cellulose wall insulation with double-stud Larsen truss walls
  • Exterior wood fiber board
  • Air barrier
  • Pre-painted steel cladding

Roof assembly

  • Roof trusses
  • 36 inches of loose-blown cellulose
  • Furring strips
  • Metal roofing

Sloped section:

  • 2 inches of  Isofoil (R11)
  • Fiberglass batts between roof trusses (R80)


  • Triple-paned
  • Filled with Argon gas
  • Low E coatings
  • Average R value: R5
  • Energy efficiency: RE 38