1. Lanefab / EcoLink
Double Wall Assembly
March 11 2013

2. Lanefab / EcoLink
Double Wall Assembly
March 11 2013

3. Lanefab / EcoLink
Double Wall Assembly
March 11 2013
Foundation
• Concrete w spread footing

4. Lanefab / EcoLink
Double Wall Assembly
March 11 2013
Backfill
• Foundation damp proofing
• Drain tile
• Under slab plumbing

5. Lanefab / EcoLink
Double Wall Assembly
March 11 2013
Structural Framing 1
• Conventional 2x4
• ½” ecoboard sheathing
• Conventional floor joists
• Joist hangers (no rim joist)

6. Lanefab / EcoLink
Double Wall Assembly
March 11 2013
Structural Framing 2
• 2x4 w ecoboard sheathing

7. Lanefab / EcoLink
Double Wall Assembly
March 11 2013
Framing Inner Wall
• Ecofoam 2x4 non structural
• Ecofoam 6” for sub slab

8. Lanefab / EcoLink
Double Wall Assembly
March 11 2013
Slabs & Opening
• 4” slab on grade
• 1-1/2” topping on 2nd floor
• Hydronic in floor heat
• ½” ecoboard boxing windows

9. Lanefab / EcoLink
Double Wall Assembly
March 11 2013
Window
• 3x glaze fibreglass (Cascadia)
• Nail flange mount
• Mount to outer wall
• (Could be centre mounted)

10. Lanefab / EcoLink
Double Wall Assembly
March 11 2013
Spray Foam
• 4” at foundation
• 10” in wall

11. Lanefab / EcoLink
Double Wall Assembly
March 11 2013
Finishes
• Drywall and baseboard trim
• Wood window trims
• Exterior rainscreen and
claddding

12. Lanefab / EcoLink
Double Wall Assembly
March 11 2013
Roof Assembly

13. Lanefab / EcoLink
Double Wall Assembly
March 11 2013
Floor Joists

14. Lanefab / EcoLink
Double Wall Assembly
March 11 2013
Structural Framing

15. Lanefab / EcoLink
Double Wall Assembly
March 11 2013
Roof Framing
• Parallel chord truss (~15”)
• 2x4 eave tails

16. Lanefab / EcoLink
Double Wall Assembly
March 11 2013
Inner Wall
• Ecofoam 2x4 non structural

17. Lanefab / EcoLink
Double Wall Assembly
March 11 2013
Spray Foam
• 10” wall
• 15” roof

18. Lanefab / EcoLink
Double Wall Assembly
March 11 2013