Weilande Construction Technology Co., Ltd.

FT450

Modular Backyard Gym | Prefab Light-Steel ADU Home Gym

Say goodbye to gym queues and commutes—own a fitness space right in your backyard. This modular prefab ADU gym features a fully prefabricated light-steel structure, designed as a standalone workout studio for private homes. Ideal for fitness enthusiasts, families, and small personal-training studios.

The main body uses a sturdy light-steel frame, with walls fitted with high-performance insulation and soundproofing materials for year-round temperature control, effectively blocking workout noise from disturbing your household. Large floor-to-ceiling glass sliding doors bring in abundant natural light, letting you enjoy the greenery of your yard while exercising—greatly enhancing the workout experience.

Main workout hall: a spacious, open area that can accommodate treadmills, spin bikes, multi-station strength trainers, dumbbells, barbells, and a full range of fitness equipment.
Private bathroom: fully finished with shower, toilet, and sink in one integrated unit, so you can rinse off right after your session.
Storage room: dedicated space for dumbbells, yoga mats, protective gear, and fitness accessories, keeping the workout hall tidy.

Key Features

Service Life: 50 Years
Wind resistance rating: Level 16
Fire rating: Class B1
Seismic rating: Grade 8
Product Specifications
Dimensions L8200*W7200*H3200mm
Building Area 42 ㎡
Room layout 2 beds, 1 bath
Main structure S550-AZ150 Aluzinc Light-Gauge Steel Structure
Exterior walls Zinc-Aluminum Alloy Insulated Panel
Interior Fully finished with bathroom
Delivery lead time 35 Days
Configuration Details

Standard features

The FT450 series comes standard with the following features, ready for immediate move-in.

1
Main structure: S550-AZ150 aluminum-zinc coated light steel frame
2
Exterior wall panel: 16mm zinc-aluminum alloy insulated panel
3
Structural board: 9mm OSB board
4
Insulation layer: 80mm insulation (rock wool / XPS extruded polystyrene board)
5
Interior wall panel: 8mm impact-resistant carbon crystal board
6
Flooring: 18mm cement fiber board + 6mm SPC stone plastic flooring
7
Bathroom walls: 4mm waterproof stone-plastic wall panels + anti-slip floor tiles
8
Windows and doors: 65mm series thermally broken aluminum frames with double-glazed Low-E glass
9
Electrical: pre-embedded in walls
10
Plumbing: PPR + PVC Pipes
11
Lighting: Downlights
12
Bathroom: toilet, shower set, vanity cabinet
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