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Sawmill Structures GrandView 150 70MM Garden Room is seen from the opposite side, featuring a rustic picnic table and soft lighting under the roof eaves

GrandView 150 70MM

Sawmill Structures
Save $5,000.00
$24,999.00
$19,999.00
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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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512-777-0154

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Lasts a Lifetime!

High Density Nordic/Baltic Spruce

Say Hello to Extra Space & Goodbye to Backyard Boredom

Sawmill Structures GrandView 150 70MM Garden Room is a spacious two-story outdoor building crafted from premium 70mm thick solid wood for year-round durability and insulation. This wooden cabin features a lofted sleeping area, double doors with large windows for natural light, and a covered outdoor deck perfect for relaxing or entertaining.

What's Included?

  • We give you everything cut to size and milled to fit together perfectly, so you can easily create a beautiful Cabin structure quickly.
  • Premium double tongue and groove InterStack Log™ wall system with integrated CrossLock Corners™
  • Tongue and groove flooring boards
  • Tongue and groove ceiling boards
  • InterStack Log™ Roof Beams
  • Windows with screens
  • Doors
  • Door lock set
  • Fasteners
  • Interior and exterior trim

Specifications

  • Structure Square Footage Size: 150 ft.² Plus Loft 108 ft.²
  • Structure Dimension Footprint: 11‘ x 13.6"
  • Loft: 11’ x 9’-11”
  • Building Permit Information: Building permit required in most areas.
  • Timber Material Used: Nordic Spruce
  • Timber Characteristics: Dense grain softwood. Light tone appearance and medium aromatic.
  • Windows and Doors: Double pane windows and doors. Window screens not included.
  • Log System: Exclusive InterStack Log System 
  • Log System Features: Minimal fasteners required. Double tongue & groove profile with cross locking corners
  • Log Thickness: 70 mm thick walls precision milled.

Features

  • Thick 70MM Walls: Built with 70mm solid wood walls for superior insulation, it offers year-round comfort in any climate.
  • Lofted Sleeping Area: A built-in loft gives you a private, cozy sleeping space, making overnight stays easy and enjoyable.
  • Spacious Interior: The roomy floor plan gives you plenty of space to set up a home office, guest suite, or backyard lounge.
  • Large Double Doors: Glass-paneled double doors let in natural light and offer a wide, welcoming entrance to your space.
  • Covered Outdoor Deck: The extended front deck is perfect for relaxing outdoors, hosting guests, or enjoying morning coffee.
  • Durable Construction: Precision-milled wood and strong joinery provide long-lasting strength and a quality finish.

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Delivery/Pick Up Info

Door-to-Door Delivery

We deliver anywhere worldwide.

Shipping Pallet Size:

  • 1 Pallet uniformly packed
  • Pallet: 19’-6” x 48” x 40”
  • Weight: 4500 Lbs

Local Pick Up

Pick up is available at select locations or at a mutually determined distribution center in your area.

Trailer Size for Pick Up:

  • Pick up for this model requires a minimum 20’ long x 8’ wide double axle trailer.
  • Weight rated to 17,000 Lbs

Learn More About...

Heating & Cooling: Options include electric heaters, wood stoves, propane furnaces, heat pumps, or portable/permanent AC units. Always follow local safety codes and consult a licensed HVAC pro before installation.

Foundations: A solid, level base is essential. Choose a well-drained location with enough clearance for assembly. Foundations can include existing decks, patios, concrete slabs, or pressure-treated timbers. We recommend a simple pressure-treated deck frame supported by footings suited to your soil. Consider screw piles (DIY or pro), sono tubes, or concrete pads.

Insulation: Many customers enjoy our cabins without insulation, especially with a reliable heat source. Our InterStack Log™ walls (38–90mm thick) naturally regulate temperature thanks to their thermal mass, storing heat and releasing it gradually.

Roofing: Kits include roof structure components (beams, tongue-and-groove boards) but not roof coverings. For covered builds, we offer corrugated or steel panels depending on the model. We recommend sheet/panel systems over shingles—they’re faster, easier, and better suited to our designs.

Wood Protection: To protect your cabin’s exterior, apply a high-quality wood stain. Our top picks: Sansin and Cutek Extreme, both offer long-lasting beauty and weather resistance.

About Sawmill Structures

Born from Canadian roots, Sawmill Structures began with a single log cabin dream and a deep love for the outdoors.

Today, they craft premium, ready-to-assemble backyard structures that blend craftsmanship with nature. Whether you're building a guest cabin, studio, or garden retreat, Sawmill Structures kits bring timeless woodwork to your door.

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