How Many Roofing Shingles Do I Need?
- Measure the length and width of each plane on the roof (including dormers) then multiply length times width.
- Add the square footage of each of the planes together.
The average bundle of shingles covers 33.3 ft2, so three bundles of shingles are needed per square. Asphalt shingles range in price from about $25 per bundle for a standard 3-tab style to around $50-$75 or more for an upgraded architectural style.
How many square feet does a bundle of shingles cover?
Calculating the number of bundles you need is simple if you are using shingles that come three bundles to a square. Each bundle covers 33.3 sq. ft. of roof area—which is close enough to the 32 sq.
How many shingles are in a square?
When shingles come three bundles to the square, there are 29 standard-sized shingles (12 in. by 36 in.) in each bundle. Figuring out the roof area is the first step to determine how many bundles you’ll need to order.
How Shingle Quantities are Measured?
When you have a bundle or square count for the main roof area, you will then add additional shingles to account for waste, starter shingles, and extra shingles for hip and ridge caps.
1. Measurement method
The most accurate way to calculate how many bundles of shingles you’ll need is to get up on the roof and measure each roof plane... (full text continues)
2. Sheet-count method
If the sheathing is still exposed you can use the sheet-count method... (full text continues)
Calculating the number of bundles... (full text continues)
3. Shingle-count method
This method makes it easy to measure when the old shingles haven’t been stripped off yet... (full text continues)
