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One roofing square covers 100 square feet of roof surface. A square is an area-measurement unit used for roofing estimates; it is not a bundle of shingles. The number of bundles needed for one square depends on the specific shingle, so check its package or current manufacturer specification.
What a roofing square means
A roofing square is 100 square feet of the roof’s actual surface—not 100 square feet of the home’s ground-level footprint. Roof pitch, slopes and architectural features affect how much surface must be covered. Both IKO and GAF use 100 square feet as the definition.
How many bundles make a square?
Three bundles per square is common for asphalt shingles, but it is not a universal rule. Bundle coverage varies with the shingle’s size and profile; do not infer it from the number of shingles in a bundle. Use the exact product’s package coverage or manufacturer specification.
| Product example | Coverage per bundle | Bundles per square | Source |
|---|---|---|---|
| GAF Timberline HDZ | Not stated in the cited GAF article | 3 | GAF |
| GAF Woodland | Not stated in the cited GAF article | 4 | GAF |
| IKO Crowne Slate | 25 sq ft | 4 | IKO |
| IKO Armourshake | 20 sq ft | 5 | IKO |
| Malarkey Vista AR | Not stated in the cited product page | 3 bundles for 100 sq ft | Malarkey Roofing Products |
These are manufacturer examples, not a complete market comparison. Packaging and coverage may vary by product version and market; confirm the current package before ordering.
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#1 Best Overall
Roofing Shingles 3-Tab (Tan) 8-Pack 39.4"x13.1",Asphalt Shingles for House Shed Roof Tiles Repair Decor
- WIND-RESISTANT 3-TAB ASPHALT SHINGLES:Designed to withstand winds up to 60 mph, these high-quality roofing shingles provide reliable protection for your roof, whether it's for your house, shed, or other structures.
- PERFECT FOR DIY ROOFING PROJECTS:Ideal for a range of small roofing tasks, including building shed roofs, pet houses, making repairs, and completing small roofing projects or filling in missing areas.Save on labor costs by installing these easy-to-use shingles yourself.
- PREMIUM QUALITY ROOFING MATERIALS:Made from high-quality, durable materials, these shingles ensure long-lasting protection. Each pack is carefully packaged with protective film and wooden boards to ensure they arrive in perfect condition, It reflects our dedication to quality.
- EFFORTLESS INSTALLATION WITH INCLUDED NAILS:Each shingle comes with 6 professional galvanized roofing nails, ensuring a secure installation without additional purchases. These nails enhance wind resistance, making your roof more robust.
- PACKAGING SIZE:The package includes 8 Tan 3-tab asphalt shingles, each measuring 39.4 inches x 13.1 inches, covering approximately 12.8 square feet.
How to estimate the number of bundles
- Find the roof-surface area. Measure the sloped roof planes rather than using the home’s footprint. For a complex roof or a precise order, consider a professional measurement.
- Convert square feet to roofing squares. Divide roof-surface square feet by 100. For example, a measured 2,400-square-foot roof is 24 squares before any waste allowance.
- Calculate base bundles. Multiply the number of squares by the product’s stated bundles per square, or divide the roof area by the stated square-foot coverage per bundle.
- Account for cuts and waste, then round up. GAF gives 10–15% as a typical trim-and-waste planning allowance, not a universal requirement. Roof geometry and product or installation details can change what is appropriate. Round the final purchase up to whole bundles when required.
For instance, using the 2,400-square-foot example and a product rated at three bundles per square gives a base estimate of 72 bundles before any waste allowance. Apply the allowance to the estimate, then verify the product’s package coverage and purchasing requirements.
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APEX-1132 Roof Rejuvenation Treatment – 1 Gal Concentrate, Covers 1,200 sq ft, Restores Flexibility & Granule Adhesion (1, 1Gal)
- FOR AGING ASPHALT SHINGLES: Roof rejuvenation treatment designed to help restore flexibility in dry, brittle asphalt shingles exposed to sun, heat, and oxidation
- HELPS IMPROVE GRANULE ADHESION: Supports shingle surface integrity and helps maintain a healthier roof surface over time
- 1 GALLON CONCENTRATE: Mix 5 parts water to 1 part concentrate before spray application
- PRACTICAL COVERAGE AND DRY TIME: Typical application guidance is 200 ft² per gallon; tack free in 30 minutes, foot traffic in 1 hour, full cure in 1 to 2 hours under typical conditions
- WATER-BASED AND LOW ODOR: Clear-drying treatment that penetrates the shingle surface without leaving a heavy visible coating
Rank #4
Roofing Shingles 3-Tab (Red) 8-Pack 39.4"x13.1",Asphalt Shingles for House Shed Roof Tiles Repair Decor
- WIND-RESISTANT 3-TAB ASPHALT SHINGLES:Designed to withstand winds up to 60 mph, these high-quality roofing shingles provide reliable protection for your roof, whether it's for your house, shed, or other structures.
- PERFECT FOR DIY ROOFING PROJECTS:Ideal for a range of small roofing tasks, including building shed roofs, pet houses, making repairs, and completing small roofing projects or filling in missing areas.Save on labor costs by installing these easy-to-use shingles yourself.
- PREMIUM QUALITY ROOFING MATERIALS:Made from high-quality, durable materials, these shingles ensure long-lasting protection. Each pack is carefully packaged with protective film and wooden boards to ensure they arrive in perfect condition, It reflects our dedication to quality.
- EFFORTLESS INSTALLATION WITH INCLUDED NAILS:Each shingle comes with 6 professional galvanized roofing nails, ensuring a secure installation without additional purchases. These nails enhance wind resistance, making your roof more robust.
- PACKAGING SIZE:The package includes 8 Red 3-tab asphalt shingles, each measuring 39.4 inches x 13.1 inches, covering approximately 12.8 square feet.
Rank #3
Roofing Shingles 3-Tab (Black) 8-Pack 39.4"x13.1",Asphalt Shingles for House Shed Roof Tiles Repair Decor
- WIND-RESISTANT 3-TAB ASPHALT SHINGLES:Designed to withstand winds up to 60 mph, these high-quality roofing shingles provide reliable protection for your roof, whether it's for your house, shed, or other structures.
- PERFECT FOR DIY ROOFING PROJECTS:Ideal for a range of small roofing tasks, including building shed roofs, pet houses, making repairs, and completing small roofing projects or filling in missing areas.Save on labor costs by installing these easy-to-use shingles yourself.
- PREMIUM QUALITY ROOFING MATERIALS:Made from high-quality, durable materials, these shingles ensure long-lasting protection. Each pack is carefully packaged with protective film and wooden boards to ensure they arrive in perfect condition, It reflects our dedication to quality.
- EFFORTLESS INSTALLATION WITH INCLUDED NAILS:Each shingle comes with 6 professional galvanized roofing nails, ensuring a secure installation without additional purchases. These nails enhance wind resistance, making your roof more robust.
- PACKAGING SIZE:The package includes 8 Black 3-tab asphalt shingles, each measuring 39.4 inches x 13.1 inches, covering approximately 12.8 square feet.
Rank #2
Roofing Shingles 3-Tab (Gray) 8-Pack 39.4"x13.1",Asphalt Shingles for House Shed Roof Tiles Repair Decor
- WIND-RESISTANT 3-TAB ASPHALT SHINGLES:Designed to withstand winds up to 60 mph, these high-quality roofing shingles provide reliable protection for your roof, whether it's for your house, shed, or other structures.
- PERFECT FOR DIY ROOFING PROJECTS:Ideal for a range of small roofing tasks, including building shed roofs, pet houses, making repairs, and completing small roofing projects or filling in missing areas.Save on labor costs by installing these easy-to-use shingles yourself.
- PREMIUM QUALITY ROOFING MATERIALS:Made from high-quality, durable materials, these shingles ensure long-lasting protection. Each pack is carefully packaged with protective film and wooden boards to ensure they arrive in perfect condition, It reflects our dedication to quality.
- EFFORTLESS INSTALLATION WITH INCLUDED NAILS:Each shingle comes with 6 professional galvanized roofing nails, ensuring a secure installation without additional purchases. These nails enhance wind resistance, making your roof more robust.
- PACKAGING SIZE:The package includes 8 Gray 3-tab asphalt shingles, each measuring 39.4 inches x 13.1 inches, covering approximately 12.8 square feet.
What to verify before ordering
- The measured area represents the roof surface, including the relevant slopes and roof planes.
- The package or current manufacturer specification is for the exact shingle product and market you are buying.
- The stated coverage or bundles-per-square figure is being used—not an assumed bundle count based on another product.
- The estimate includes an appropriate allowance for cuts and waste, and the order is rounded to whole bundles if needed.
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
