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Haven Sofa with Chaise Build Plans — $34

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PROJECT SPECIFICATIONS: HAVEN SOFA WITH CHAISE

Fabrication Note: Lumber from big box retailers often holds excess moisture. For professional results, buy your lumber 1 week early and let it acclimate in your garage before cutting.

01. OUTDOOR CUSHIONS

The Haven Sofa with Chaise frame is engineered specifically for 26-inch deep cushions.

The Design Standard (Recommended)
We specify the WNP (9-Piece) Deep Seating Outdoor Sectional Cushion Set for the perfect architectural fit. Additionally, this brand has options to match any of the other "Haven Lounge" projects requiring cushions.

VIEW SPECIFIED CUSHIONS AT HOME DEPOT

02. LUMBER SCHEDULE

Primary Material: Western Red Cedar (Naturally rot-resistant).

Sourcing Advice:
We recommend Lowe's (Kiln-Dried) as the primary source for stability. Home Depot (Rough Sawn) is a suitable alternative.

Shopping List (Per 1 Sofa Unit):

  • 14x — 2" x 4" x 8' Boards

CHECK LOWE'S / CHECK HOME DEPOT

  • 5x — 1" x 4" x 8' Boards

CHECK LOWE'S / CHECK HOME DEPOT

  • 1x — 1" x 2" x 8' Board

CHECK LOWE'S / CHECK HOME DEPOT

Option 3: The "Pro-Desk" Protocol
For the highest quality wood (S4S Clear Cedar), visit a local lumber dealer. They sell wood that is straighter and drier than big-box stores.

CLICK HERE TO FIND A LOCAL LUMBER YARD

The Script (What to ask for):
"I am looking for S4S (Surfaced on 4 Sides) Western Red Cedar, Architect Knotty or better. Do you stock 2x4s and 1x4s in this grade?"

CLICK HERE TO READ GUIDE

03. HARDWARE AND CONSUMABLES

Do not use standard "interior" screws. Exterior-rated hardware is mandatory to prevent rust streaks.

Structural Screws

  • 2 1/2" Pocket Hole Screws (Exterior Grade):

CHECK LOWE'S / CHECK HOME DEPOT / CHECK AMAZON

  • 1 1/4" Pocket Hole Screws (Exterior Grade):

CHECK LOWE'S / CHECK HOME DEPOT / CHECK AMAZON

  • 1 1/2" Wood Screws (Exterior Grade):

CHECK LOWE'S / CHECK HOME DEPOT / CHECK AMAZON

  • 2 1/2" Trim Head Screws (Exterior Grade):

CHECK LOWE'S / CHECK HOME DEPOT / CHECK AMAZON

Assembly Adhesives

  • Waterproof Wood Glue (Titebond III):
    Mandatory for all outdoor joints.

CHECK LOWE'S / CHECK HOME DEPOT / CHECK AMAZON

  • 120-Grit Sandpaper:
    For smoothing cut ends and armrests.

CHECK LOWE'S / CHECK HOME DEPOT / CHECK AMAZON

04. PROTECTIVE FINISH SCHEDULE

We exclusively recommend Penetrating Oils rather than standard "film-forming" stains. We have curated two distinct aesthetic profiles to match the architectural intent of the home:

Option A: The "Natural Architectural" Aesthetic

Best for: A warm, golden-honey glow that emphasizes the natural grain and mass of the 2x4 timber.

  • The "Big Box" Standard: Cabot Australian Timber Oil (Natural)

CHECK LOWE'S / CHECK HOME DEPOT / CHECK AMAZON

  • The "Premium" Specification: Osmo UV-Protection Oil Extra (410 Clear)

CHECK PRICE AT AMAZON

Option B: The "Modern Restoration" Aesthetic

Best for: Achieving the sophisticated, silvery-weathered finish that looks like curated driftwood rather than aged lumber.

  • The "Big Box" Standard: Cabot Semi-Transparent (Driftwood Gray)

CHECK LOWE'S / CHECK HOME DEPOT / CHECK AMAZON

  • The "Premium" Specification: Osmo UV-Protection Oil Extra (420 Grey)

CHECK PRICE AT AMAZON

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Haven Sofa with Chaise Build Plans — $34

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