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Shiplap Calculator
Calculate how many shiplap boards you need for walls and ceilings with cost estimation
Calculate Shiplap Needed
Wall Dimensions
0.00 ft²
Shiplap Board Specifications
Recommended: 5-10%
Cost Estimation (Optional)
Price per single board
Typical range: $1-4 per sq ft
Shiplap Calculation Results
0.00 ft²
Project Area
Area to cover
0.188
Boards per sq ft
Coverage rate
0
Boards Needed
Exact calculation
0
With Waste
Including 5% waste
Calculation Formula (Competitor Validated):
Project Area = Wall Height × Wall Length - Windows - Doors
Board Area = Board Width × Board Length
Boards per sq ft = 144 ÷ Board Area (in²)
Number of Boards = Boards per sq ft × Project Area
Project Analysis
Example Calculation
8' × 16' Wall with 8" × 8' Boards (Competitor Example)
Wall dimensions: 8 ft high × 16 ft long
Windows: 2 windows, each 3 ft high × 2 ft wide
Board size: 8 inches × 8 feet = 768 in²
Calculation Results
Project area: 8 × 16 - 2(3 × 2) = 128 - 12 = 116 ft²
Boards per sq ft: 144 ÷ 768 = 0.1875
Boards needed: 0.1875 × 116 = 21.75
Rounded up: 22 boards
This matches the competitor's calculation exactly!
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Standard Shiplap Sizes
5¼" wideTraditional
7¼" widePopular
8" wideModern
12" wideStatement
Material Costs per sq ft
PVC Boards:$1-5
Plywood:$2-3
Pine:$2-7
Cedar:$2-8
MDF:$2-10
Hardwood:$2-11
Understanding Shiplap Calculations
What is Shiplap?
Shiplap is durable paneling with rabbet grooves that create overlapping joints. Originally designed for exterior cladding, it's now popular for interior walls and ceilings in modern, industrial, and traditional designs.
Key Calculation Steps
- •Project Area: Wall area minus openings
- •Board Coverage: 144 ÷ board area (in²)
- •Total Boards: Coverage × project area
- •With Waste: Add 5-10% for cuts/errors
Installation Considerations
Horizontal: Makes rooms appear wider
Vertical: Makes ceilings appear higher
Diagonal: Adds visual interest and volume
Herringbone: Decorative pattern option
Project Planning
Material Cost:40-60% of project
Installation:$1-4 per sq ft
Prep Work:Clean, level surface
Installation Methods
Wood Shiplap:
- • Install cleats perpendicular to boards
- • Nail boards to cleats, overlapping joints
- • Cut last board to fit with jigsaw
PVC Shiplap:
- • Glue directly to clean, dry wall
- • Prevents mold infiltration
- • Simpler installation process
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