Gabled Wood Patio Cover
Budget: $250 – $750 USD
• Project: Attached Pavilion / Patio Cover
• Location: Rear of residence
• Size: 20’-0” wide (along house) × 18’-0” deep
• Style: Open gable roof (not shed)
• Use: Covered outdoor patio
⸻
STRUCTURAL INTENT (DO NOT CHANGE DESIGN)
• Front support: ONLY (2) posts total
• Beam: Engineered LVL spanning full 20’
• Posts: 6x6 structural (wrapped for appearance)
• Roof type: Open gable, ridge perpendicular to house
• Ceiling: Exposed structure with tongue & groove pine
Important note to include:
“Design intent is a clean, open span with no intermediate posts.”
⸻
CRITICAL DIMENSIONS
• Width along house: 20’-0”
• Projection: 18’-0”
• Post locations:
• ~12” inset from slab front corners
• Beam height (finish): 9’-0”
• Ridge height: ~12’–12’-6”
• Roof pitch: 4:12
⸻
FOUNDATION / SLAB
• Full slab under structure:
• 4” concrete
• 4” compacted base
• Footings:
• (2) isolated
• 18” dia × 36” deep (or per frost line)
• Slab extends to rock edge (full rectangular footprint)
⸻
FRAMING REQUIREMENTS
Ledger
• 2x10 PT
• Through-bolted to structure
• Proper flashing required
⸻
Beam (IMPORTANT)
• LVL beam sized for:
• 20’ span
• Oregon snow load
• Likely:
• (3) 2x12 LVL minimum (confirm engineering)
⸻
Rafters
• 2x10 @ 16” OC
• Span: 18’
• Tied into ledger + ridge
⸻
Ridge
• Structural ridge OR engineered gable system
• Sized per load
⸻
FINISHES (LOCK THESE IN)
• Ceiling: Tongue & groove pine
• Beams/posts: Wrapped (cedar or pine)
• Roof: Match existing shingles
• Underside: Open (no drywall ceiling)
⸻
ELECTRICAL
• (6) recessed lights
• (1) ceiling fan (centered)
• (1) infrared heater (mounted to house wall)
⸻
WHAT YOU NEED FROM THEM
Tell them:
“I need a permit-ready plan set, not conceptual drawings.”
Required Sheets:
• A1 – Floor Plan (dimensioned)
• A2 – Elevations (front + side)
• S1 – Framing Plan
• S2 – Section Detail (ledger + beam + footing)
• Foundation Plan
• Electrical Plan
⸻
ENGINEERING NOTE (IMPORTANT)
Include this line:
“Provide beam sizing and structural verification for 20’ span with 2 posts based on local snow load.”
• Location: Rear of residence
• Size: 20’-0” wide (along house) × 18’-0” deep
• Style: Open gable roof (not shed)
• Use: Covered outdoor patio
⸻
STRUCTURAL INTENT (DO NOT CHANGE DESIGN)
• Front support: ONLY (2) posts total
• Beam: Engineered LVL spanning full 20’
• Posts: 6x6 structural (wrapped for appearance)
• Roof type: Open gable, ridge perpendicular to house
• Ceiling: Exposed structure with tongue & groove pine
Important note to include:
“Design intent is a clean, open span with no intermediate posts.”
⸻
CRITICAL DIMENSIONS
• Width along house: 20’-0”
• Projection: 18’-0”
• Post locations:
• ~12” inset from slab front corners
• Beam height (finish): 9’-0”
• Ridge height: ~12’–12’-6”
• Roof pitch: 4:12
⸻
FOUNDATION / SLAB
• Full slab under structure:
• 4” concrete
• 4” compacted base
• Footings:
• (2) isolated
• 18” dia × 36” deep (or per frost line)
• Slab extends to rock edge (full rectangular footprint)
⸻
FRAMING REQUIREMENTS
Ledger
• 2x10 PT
• Through-bolted to structure
• Proper flashing required
⸻
Beam (IMPORTANT)
• LVL beam sized for:
• 20’ span
• Oregon snow load
• Likely:
• (3) 2x12 LVL minimum (confirm engineering)
⸻
Rafters
• 2x10 @ 16” OC
• Span: 18’
• Tied into ledger + ridge
⸻
Ridge
• Structural ridge OR engineered gable system
• Sized per load
⸻
FINISHES (LOCK THESE IN)
• Ceiling: Tongue & groove pine
• Beams/posts: Wrapped (cedar or pine)
• Roof: Match existing shingles
• Underside: Open (no drywall ceiling)
⸻
ELECTRICAL
• (6) recessed lights
• (1) ceiling fan (centered)
• (1) infrared heater (mounted to house wall)
⸻
WHAT YOU NEED FROM THEM
Tell them:
“I need a permit-ready plan set, not conceptual drawings.”
Required Sheets:
• A1 – Floor Plan (dimensioned)
• A2 – Elevations (front + side)
• S1 – Framing Plan
• S2 – Section Detail (ledger + beam + footing)
• Foundation Plan
• Electrical Plan
⸻
ENGINEERING NOTE (IMPORTANT)
Include this line:
“Provide beam sizing and structural verification for 20’ span with 2 posts based on local snow load.”