Our single-slope models combine simplicity, elegance, and functionality. By allowing you to choose the roof slope direction to ensure proper water drainage, these models adapt perfectly to all your projects—whether residential, rental, or recreational.
The structure is ingeniously designed using high-performance OSBLOCK™ blocks, enabling fast and hassle-free installation while giving you full freedom to customize both the interior and exterior to your taste. Add warmth, style, and personality to create a space that truly reflects you.
Our design stands apart from traditional construction. With OSBLOCK™ blocks, you achieve effective R-32 insulation and superior soundproofing—elevating your vision to a premium-level project.
The majestic cathedral ceiling adds grandeur and character, bringing light, volume, and prestige to your space. A bold choice that won’t go unnoticed and is sure to turn heads.
Available starting at $35,000 plus applicable taxes, this model offers an affordable yet refined solution. Expand your space in 2-foot increments for guaranteed flexibility.
The 20×20 model includes an allowance of $8,000 for the selection of doors and windows.
Indicative Pricing — “Single-Storey” Kits
This is a quick reference grid based on the most popular sizes.
With floor: Starting at $35,000
Without floor / slab: Starting at $33,100
| Dimensions (ft) | With Floor | Without Floor |
|---|---|---|
| 20×20 | $35,000 | $33,100 |
| 20×22 | $36,675 | $34,585 |
| 20×24 | $38,350 | $36,070 |
| 20×26 | $40,025 | $37,555 |
| 20×28 | $41,700 | $39,040 |
| 20×30 | $43,375 | $40,525 |
| 20×32 | $45,050 | $42,010 |
| 20×34 | $46,725 | $43,495 |
| 20×36 | $48,400 | $44,980 |
| 20×38 | $50,075 | $46,465 |
| 20×40 | $51,750 | $47,950 |
| 20×42 | $53,425 | $49,435 |
| 20×44 | $55,100 | $50,920 |
| 20×46 | $56,775 | $52,405 |
| 20×48 | $58,450 | $53,890 |
| 20×50 | $60,125 | $55,375 |
| 20×52 | $61,800 | $56,860 |
| 20×54 | $63,475 | $58,345 |
| 20×56 | $65,150 | $59,830 |
| 20×58 | $66,825 | $61,315 |
| 20×60 | $68,500 | $62,800 |
Note: Indicative prices only. Taxes and options not included.
Inclusions List – Construction Kit
This list details the components included in your prefabricated construction kit. Some modifications are available at an additional cost.
🗂️ Construction Plans
Standard complete plans compliant with permit applications
Plan modifications available at an additional cost
🧱 Floor
* Items not included with the concrete slab or garage option
* 16″ I-joist floor system
* Rim joist
* Perimeter curb wall
* 3/4″ tongue-and-groove OSB
Ready to receive the flooring of your choice
🏗️ Walls – Effective R-32 Insulation
OSBLOCK™ wall kit includes:
– Starter/finishing plates
– Exterior corner blocks
– Patented OSBLOCK™ locking system
– Locking key
– Block handling grip
For more details: https://www.osblock.ca/ressources-en-ligne/
Lintels
Exterior air barrier
1×3 exterior furring strips
Interior pre-lathed with OSBLOCK™ walls
*No vapor barrier required*
Ready for interior and exterior finishes of your choice
🏠 Roofing
16″ I-joist roof system
5/8″ tongue-and-groove OSB
Self-adhesive membrane (eaves protection)
Fascia
Starter flashing (aluminum)
25-year asphalt shingles
Half-ridge ventilated attic system
Metal roofing option available at additional cost
🧊 Ceiling – Effective R-44.5 Insulation
R-40 insulation
1/2″ rigid insulation panels R-4.5 (Enermax or equivalent)
1×3 furring strips
Ready for ceiling finish of your choice
🚪 Doors and Windows
Included allowance for doors and windows:
– 20×20 single-storey: $8,000 Garage: $6,000
– 20×20 two-storey: $12,000
– 24×24 single-storey: $10,000
– 24×24 two-storey: $15,000
– 28×28 single-storey: $10,000
– 28×28 two-storey: $15,000
❌ Exclusions
Basic hardware: screws, nails, membranes, tapes, sealants, etc.
Transportation from factory to job site
Note: Hardware is included if installation is selected.
Basic hardware:
- Screws, nails, membranes, tapes, sealants, etc.
Plan modifications (fees apply)
Transportation from factory to project site (fees apply)












