Spike's Calculators

Gambrel Roof Wood Shingles

Accurately determine the amount of wood shingles required for your Gambrel roof using our precise calculator. Input your building dimensions, eaves and gable overhangs, and roof pitches to receive accurate calculations. This tool computes the roof area, adjusts for lower and upper roof pitches, and includes waste, starter strips, and ridge capping. Avoid over or under-buying materials with this efficient and user-friendly calculator. Perfect for homeowners, contractors, and DIY enthusiasts planning a wood shingle roofing project. Ensure your roofing project is completed with the correct amount of wood shingles.

Note:
`Shingles coverage of one roofing square (100sqft) = 4 bundles @ 5" exposure, 1 bundle covers 25 square feet @ 5" exposure.`

Gambrel Roof Calculator

Building Length ft inch
Building Width ft inch
Eaves Overhang inch
Gable Overhang inch
Wall to Upper Pitch Start ft inch
Upper Roof Pitch /12
Lower Roof Pitch /12
Exposure of Shingle inch
Waste %

Results:

 Roof Area ft² Ridge Length lineal ft Shingles to Cover Roof Bundles Added for Waste Bundles For Starter Strip Bundles For Ridge Capping Bundles Total Amount of Shingles Needed: Bundles

Calculator

1. enter the length of the building in feet and inches
2. the width of the building in feet and inches
3. the eaves overhang in inches
4. the gable overhang in inches
5. enter the distance from the outside of the wall to the start of the upper pitch in feet and inches
6. the upper roof pitch as a ratio (e.g., 6 for a 6/12 pitch)
7. the lower roof pitch as a ratio (e.g., 4 for a 4/12 pitch)
8. enter the exposure of the wood shingles in inches (preset @5)
9. the coverage area of one pack of asphalt shingles in square feet
10. enter a waste factor percentage to account for cutting and fitting losses

Results

1. the total area of the roof in square feet
2. the length of the ridge in lineal feet
3. the number of bundles of shingles required to cover the roof area
4. additional bundles of shingles needed to account for waste
5. number of bundles required for the starter strip
6. number of bundles needed for ridge capping
7. the total number of bundles of wood shingles required for the project

This calculator allows you to accurately estimate the amount of wood shingles needed for your Gambrel roof project, ensuring efficient planning and material usage.

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