MATERIALS & COMPOSITION GUIDE Fiberglass Shingles: Mat Composition, Benefits & Standards Fiberglass shingles are modern asphalt shingles constructed with an inorganic woven fiberglass mat core coated with waterproof asphalt and mineral granules. Understanding fiberglass shingle technology clarifies how modern shingles achieve Class A fire ratings and superior moisture resistance. Key Clarification Are all asphalt shingles … Read more
Roof Shingles
LIFESPAN & DURABILITY GUIDE How Long Does a Shingle Roof Last? Realistic Lifespans by Tier An asphalt shingle roof typically lasts between 15 and 30 years depending on the shingle category, regional climate, roof pitch, and attic ventilation quality. While 3-tab shingles average 15 to 20 years, architectural shingles last 22 to 28 years, and … Read more
SHINGLE PACKAGING & PIECE COUNTS How Many Shingles in a Bundle? Counts by Shingle Type The number of individual shingles in a bundle ranges from 16 to 27 pieces depending on shingle design and thickness. While standard 3-tab bundles contain 26 to 27 shingles and architectural bundles contain 20 to 22 shingles, both are designed … Read more
SHINGLE COVERAGE & QUANTITIES How Many Bundles of Shingles in a Square? Standard Rules For standard architectural laminate and 3-tab asphalt shingles, there are exactly 3 bundles in one roofing square. One square equals 100 square feet of roof area, meaning each individual bundle provides approximately 33.3 square feet of installed coverage. The Standard Bundle … Read more
STEP-BY-STEP MEASUREMENT GUIDE How to Measure a Roof for Shingles: Safe & Accurate Guide Measuring a roof for shingles requires determining total sloped square footage, calculating roofing squares, and converting square footage into bundles while adding a proper waste buffer. Follow our safe ground and plan-based measurement workflow. Safe Measurement Rule You do not need … Read more