Classic models are production models manufactured with 1-5/8" (40mm) thick walls. (not available in custom sizes)
The Kelowna is designed to mount on a concrete slab and does not include a wood floor. This model has a cottage style roof with 2/4" tongue & groove roof boards. This would make a great barbecue shelter or sheltered seating and dining area and can be assembled by 2 people in 2 days.