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A sleek modern wooden structure with large glass sliding doors surrounded by greenery is the GardenHouse24 USA Lasse 44A ALU Garden Room

Lasse 44A ALU

SKU 4459430
Save $3,067.80
$18,406.80
$15,339.00
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3 Year Warranty

12 Weeks Delivery

High Density Nordic Spruce

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12 Weeks Delivery

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High Density Nordic/Baltic Spruce

A Room for Every Mood—Rain or Shine

GardenHouse24 USA Lasse 44A ALU Garden Room is a sleek and modern outdoor structure made from high-quality Nordic spruce with durable aluminum-framed double sliding doors for a clean, contemporary look. It offers 20.16 m² of space, plenty of natural light through full glass panels, and a flat roof design that blends into any backyard or garden setting.

What's Included?

  • DIY kit
  • Closed shell
  • Arrives in flatpack
  • Internal walls included
  • Doors & windows included
  • Roofing cover & rain gutters as an extra

Specifications

  • Indoor area: 217.43 ft²
  • Log profile: 1.73 in
  • Number of floors: 1
  • Number of rooms: 1
  • Base dimensions: 10 ft x 22.64 ft
  • Floor space 1 floor: 217.43 ft²
  • Floor Material: 0.71 in
  • Roof Type: Flat roof
  • Floor included: Yes
  • Wood type: Nordic spruce, massive logs
  • Ridge height: 8.41 ft
  • Roof area: 271.25 ft²
  • Eave Height: 7.97 ft
  • Doors Included: Yes
  • Windows Included: Yes
  • Roof Shingles Included: No
  • Roof Slope: 2.5°
  • Roof Material: Nordic spruce

Features

  • Double Sliding Glass Doors: The full-length aluminum-framed sliding doors offer easy access while maximizing sunlight and views from every angle.
  • Spacious Interior: With 20.16 m² of floor space, there’s plenty of room to create a garden office, guest room, yoga studio, or entertainment lounge.
  • Durable Nordic Spruce Construction: Made from strong Nordic spruce, the structure is built to last and withstand year-round weather conditions.
  • Aluminum Framing: The doors are supported by premium aluminum frames for added strength, stability, and modern appeal.
  • Flat Roof Design: Its low-profile flat roof adds architectural elegance and makes it easy to fit in tight garden layouts or next to other structures.
  • Large Glass Panels: Expansive windows let in ample daylight, creating a bright and inviting environment inside while offering panoramic outdoor views.
  • Weather Resistant: The materials and build quality are designed to handle rain, sun, and seasonal changes without compromising structure or aesthetics.

Internal Room

The Internal Room includes an assembly kit designed for easy installation inside a finished garden building. It features a sliding door and ceiling, creating a fully enclosed space.

The kit also comes with two solid 1.1-inch walls, a corner support beam, and all the necessary fixings, conveniently packed flat for transport.

Closet: 3.98 ft x 5.95 ft

Bathroom: 3.98 ft x 7.92 ft

Staining/Painting Treatment

Extend the life of your outdoor freedom room and protect it from environmental damage with premium wood treatment.

Benefits include:

  • Shields wood from rot, mold, and staining fungi
  • Guards against UV rays and rain
  • Prolongs the durability of wooden surfaces
  • Enhances appearance and makes cleaning easier

Recommended high-end wood staining products:

  • Cabot Australian Timber Oil – Known for deep penetration and rich, long-lasting color; ideal for decks, siding, and outdoor structures.
  • DEFY Extreme Wood Stain – A water-based, eco-friendly stain with high UV resistance and durable protection for harsh outdoor conditions.

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Why Choose Outdoor Freedom Rooms?

We use premium Nordic/Baltic Spruce

These softwoods thrive in the cold northern regions of Europe and grow more slowly than standard spruce, pine, or fir, resulting in 6 to 8 times more growth rings. Spruce features a finer grain and fewer, smaller knots than Pine, though both types are lightweight and easy to machine.

Comes with a 5-year anti-rot warranty

It includes a 5-year anti-rot warranty that begins the moment your order ships. This covers issues such as glass or hardware seal failures, wall log splitting, or faulty components.

Unloading is included in the delivery

Receive your new log house hassle-free, our delivery service handles the unloading at no extra cost.

Fast delivery for in-stock items

Have your freedom rooms delivered right to your doorstep! In-stock models arrive in 10–12 weeks.

About Garden House 24 Timber Garden Products

Born from a passion for precision craftsmanship, Garden House 24 brings decades of timber-building expertise to your backyard. What began as a small European workshop has grown into a trusted source for high-quality garden rooms, sheds, and cabins. Built to last and designed to inspire, our timber products combine durability with timeless style.

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