Wall & Floor Construction

1. Two layers of 5⁄8" fire-rated gypsum wallboard over plywood sheathing or gypsum wallboard to make flush
2. Party wall assembly (one-hour fire separation) incorporating two staggered 2"x6" wood studs with 2"x8" top and bottom plates
3. 2 layers of 2 1⁄2" batt insulation
4. One layer of 5⁄8" fire-rated gypsum wall board and 1⁄2" shearwall where required. Additional gypsum wall board where shear is discontinuous on a wall
5. Wood laminate flooring throughout
6. 1 1⁄2" concrete floor topping for acoustic buffering
7. 5⁄8" plywood floor sheathing
8. Engineered wood l-joists
9. 1⁄2" galvanized steel acoustical isolation channel, installed between fire-rated 5⁄8" gypsum wall board and wood floor joists
10. Minimum of two layers of 5⁄8" gypsum wallboard for improved acoustical performance
11. Minimum of 3 1⁄2" R12 acoustical batt insulation
12. Sealant installed around the perimeter of the bottom wall plate

1. 1⁄2" exterior wood sheathing
2. Vapour-permeable membrane air moisture barrier
3. 1"x3" vertical borate treated strapping
4. Hardie fibre cement panels or 3 5⁄8" brick cladding
5. 3⁄4" air space/rain screen cavity between weather membrane and panels to allow drainage
6. Wood laminate flooring throughout
7. 1 1⁄2" concrete floor topping for acoustical buffering
8. 5⁄8" tongue & groove plywood floor sheathing
9. Single layer of R22 batt insulation