DIY Timber Awning with Curved Braces — Full Build Plans

DIY Timber Awning with Curved Braces — Full Build Plans

A modern timber awning with decorative curved support braces, exposed rafters, and clean architectural lines. Designed for front doors, patios, windows, garage entries, or storefronts while providing shade, rain protection, and strong curb appeal. Access over 16,000 Woodworking plans


Finished Dimensions

Part Metric Imperial
Overall Width 2400 mm 94 1/2 in
Projection from Wall 1600 mm 63 in
Overall Height 2600 mm 102 3/8 in
Front Beam Size 120 × 60 mm 4 3/4 × 2 3/8 in
Rafter Spacing 600 mm centers 23 5/8 in centers

Structure Overview

The awning includes:

  • Wall-mounted ledger beam
  • Decorative curved timber braces
  • Front support beam
  • Exposed roof rafters
  • Roof sheathing or panel system
  • Waterproof roofing layer
  • Structural wall anchoring

Recommended Timber Types

Best outdoor choices:

  • Cedar
  • Treated pine
  • Douglas fir
  • Meranti
  • Cypress

Main Lumber Sizes

Use Metric Imperial
Ledger Beam 120 × 60 mm 4 3/4 × 2 3/8 in
Front Beam 120 × 60 mm 4 3/4 × 2 3/8 in
Rafters 140 × 45 mm 5 1/2 × 1 3/4 in
Curved Braces 140 × 45 mm 5 1/2 × 1 3/4 in

Materials List

Lumber

  • Exterior structural timber
  • Roofing sheets or plywood
  • Decorative fascia boards

Hardware

  • Structural lag bolts
  • Masonry anchors
  • Exterior wood screws
  • Joist hangers
  • Roofing screws
  • Waterproof flashing

Ledger Beam Dimensions

Wall Ledger

Qty Metric
1 2400 × 120 × 60 mm

Mount directly into:

  • Wall studs OR
  • Masonry anchors

Ledger Mounting Height

Metric Imperial
2500–2600 mm 98 3/8–102 3/8 in

Front Beam Dimensions

Front Beam

Qty Metric
1 2400 × 120 × 60 mm

Supported by:

  • Curved braces
  • Rafters above

Curved Brace Dimensions

Brace Size

Qty Metric
2–3 700 × 140 × 45 mm

Curved Brace Radius

Curve Profile

Specification
R40 decorative sweep

The lower curve creates:

  • Softer visual profile
  • Traditional architectural detailing

Brace Positioning

Install:

  • One brace each end
  • Optional center brace for wider awnings

Brace angle:

  • Approximately 45°

Rafter Dimensions

Roof Rafters

Qty Metric
5 1600 × 140 × 45 mm

Spacing:

  • 600 mm centers

Roof Pitch

Recommended slope:

  • 5–10°

Provides:

  • Water runoff
  • Minimal modern profile

Roofing Options

Polycarbonate Panels

  • Lightweight
  • Modern appearance
  • UV filtering

Corrugated Metal

  • Durable
  • Industrial style

Plywood + Waterproof Membrane

  • Flat architectural look

Roof Overhang

Side Overhang
Front 80–120 mm
Ends 50–80 mm

Fascia Board Dimensions

Qty Metric
1 2400 × 140 × 20 mm

Installed at front edge for:

  • Cleaner appearance
  • Hidden roof edge

Recommended Fasteners

Connection Hardware
Ledger to Wall M10 lag bolts
Braces Structural screws
Rafters Joist hangers
Roofing Exterior roofing screws

Wall Anchoring

Masonry Walls

Use:

  • Sleeve anchors
  • Chemical anchors

Timber Framed Walls

Anchor directly into studs.


Waterproofing Requirements

Install:

  • Metal flashing above ledger
  • Silicone sealing
  • Drip edge flashing

Critical for preventing wall leaks.


Structural Reinforcement

For windy areas:

  • Add center brace
  • Use hurricane ties
  • Increase ledger bolts

Assembly Order

  1. Locate wall studs or masonry anchors
  2. Install flashing
  3. Mount ledger beam
  4. Cut curved braces
  5. Attach braces to wall and beam
  6. Install front beam
  7. Mount rafters
  8. Install roof sheathing/panels
  9. Add fascia boards
  10. Seal and finish wood

Sanding Guide

Stage Grit
Rough Prep 100
Finish Sanding 180
Final Smooth Finish 220

Round exposed edges slightly for durability.


Recommended Outdoor Finish

Best Finishes

  • Exterior wood oil
  • Marine spar varnish
  • UV-resistant stain
  • Outdoor polyurethane

Optional Upgrades

  • Integrated LED strip lighting
  • Hanging planters
  • Decorative beam tails
  • Black steel brackets
  • Hidden gutter system
  • Tongue-and-groove ceiling
  • Ceiling fan support
  • Vertical privacy slats

Estimated Weight

Component Approx Weight
Timber Structure 80–120 kg
Roof System 20–60 kg

Maintenance Schedule

Task Frequency
Re-seal timber Every 12–18 months
Inspect flashing Every rainy season
Tighten hardware Every 6 months
Clean roof debris Monthly

Safety Notes

  • Always anchor into structural framing
  • Do not mount only into siding
  • Use galvanized or stainless hardware outdoors
  • Verify roof load requirements in snowy/windy climates
  • Use scaffolding or proper ladders during installation

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