Wundershed XL

Wundershed XL: a great solution to add an all season space to your home minus the headaches. Fully customizable you decide the exact square footage you need and any other design feature. Manufactured right in Ontario, with only the finest materials.   


All Season

Summer or Winter, rain or shine, stay comfortable all year long.  

Quick Installation

Specifically designed,  to minimize the construction time, and impact to your life. 


A perfect multi use room, giving you limitless options.


From the color palette to materials, everything built just the way you imagined.


Not only are our products super durable, but we stand behind them with a 3 year roof to floor warranty.

Cost Effective

All of our products are designed and engineered to deliver the most economical building solution for your home. 

Tech Enabled

Monitor, your WunderShed’s climate, activity, and humidity remotely from your smartphone. The first truly connected shed.



Floor space: 98 SQft
Height: 10ft
Overall Length: 12ft
Overall Width: 8 ft
Exterior materials: multiple choices
Wall Material: Structural Insulated Panels
Roof Thermal Value: R29

Floor Thermal Value: Min. R20
Wall Thermal Value: Min. R20
Weight: ~ 20lbs / SQft
Power: Electrical wiring (Optional)
Thermal Windows: Yes
Thermal Doors: Yes


  • Swift Foundation System
  • Smart Home Monitoring
  • Roof & Trim (Black or White)
  • Installation
  • Transportation 
  • Low energy light fixtures
  • Delivery 
  • Single Glass Door
  • Thermal Windows
  • Thermal Doors
  • 3 year window to wall warranty
  • OSB interior
  • R24 roof (minimum) 
  • CO2 and Air Quality Monitoring.
  • R20 walls(Minimum)
  • R20 floor (minimum)
  • Rain Screen cladding system

Design Hours


Testing Days


Prototype Revisions


Master Piece

Starting from 
180 /SQft