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Set in lush greenery, the GardenHouse24 USA Miriam 70B Modern Garden Room features modern blue-trimmed windows and an open door revealing a sofa inside

Miriam 70B Modern

SKU 7047021
Save $4,709.00
$20,949.00
$16,240.00

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12 Weeks Delivery

High Density Nordic Spruce

FREE Shipping

12 Weeks Delivery

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Made in the USA

Guaranteed Premium Quality

A Room with a View and a Purpose

GardenHouse24 USA Miriam 70B Modern Garden Room is a sleek 13.9 m² outdoor structure built from durable Nordic spruce, featuring 70 mm thick walls for excellent insulation and year-round use. This wooden outdoor structure includes large double-glazed windows and doors for natural light, a flat roof with a slight slope for rain runoff, and a minimalist design that fits modern outdoor spaces.

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: 153.92 ft²
  • Log profile: 2.76 in
  • Number of floors: 1
  • Number of rooms: 1
  • Base dimensions: 9.84 ft x 16.41 ft
  • Floor space 1 floor: 153.92 ft²
  • Floor Material: 1.1 in
  • Roof Type: Flat roof
  • Floor included: Yes
  • Wood type: Nordic spruce, massive logs
  • Ridge height: 7.97 ft
  • Roof area: 216.35 ft²
  • Eave Height: 7.53 ft
  • Doors Included: Yes
  • Windows Included: Yes
  • Roof Shingles Included: No
  • Roof Slope: 2.6°
  • Roof Material: Nordic spruce

Features

  • Spacious Interior: With 13.9 m² of open floor space, it’s ideal for a home office, guest suite, gym, or creative studio.
  • Premium Nordic Spruce: Crafted from slow-grown Nordic spruce, it offers strength, durability, and natural beauty.
  • Thick 70 mm Walls: The robust 70 mm wall thickness provides superior insulation, making it suitable for all seasons.
  • Double-Glazed Windows & Doors: High-quality glass ensures thermal efficiency, sound reduction, and enhanced security.
  • Modern Flat Roof: The sleek flat roof with a 3° slope allows efficient rainwater runoff and adds a contemporary aesthetic.
  • Easy Assembly: Pre-cut components and detailed instructions make installation faster and more manageable for DIYers.
  • Weather-Resistant Build: Designed to withstand varying weather conditions, it stays solid through rain, wind, and snow.
  • Eco-Friendly Materials: Sustainably sourced wood supports an environmentally conscious lifestyle while looking great.

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.

Downloads

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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