Comparing Asphalt Shingle Warranties in Flushing, MI
Asphalt shingle roofing warranties in Flushing, MI combine manufacturer material guarantees with contractor workmanship coverage to protect homeowners from product defects and installation failures. Understanding warranty terms helps homeowners make informed decisions about shingle selection and contractor choice.
What Does Manufacturer Material Warranty Cover?
Manufacturer warranties protect against shingle defects such as premature granule loss, cracking, or delamination that result from manufacturing flaws rather than weather damage or improper installation.
GAF and Owens Corning offer limited lifetime warranties on architectural shingles covering material defects for the life of the original homeowner. These warranties transfer to subsequent owners for a specified period, typically 10 to 20 years.
Algae resistance warranties guarantee that shingles will not develop black streaks from airborne algae for 10 to 25 years depending on the product line. Wind resistance warranties cover shingle blow-off up to specified wind speeds when installed according to manufacturer specifications.
How Do Workmanship Warranties Differ from Material Coverage?
Workmanship warranties cover installation errors such as improper fastening, inadequate ventilation, or flashing failures that cause leaks or premature system failure.
Contractor workmanship guarantees typically extend 1 to 10 years depending on the company and project scope. These warranties remain valid only if the original contractor remains in business and honors their commitments.
Material warranties do not cover damage caused by installation errors, making workmanship coverage essential for complete protection. Homeowners should verify that contractors carry liability insurance and workers compensation to protect against injury claims during installation.
Which Installation Practices Void Manufacturer Warranties?
Improper fastening patterns, inadequate ventilation, and failure to use required underlayment or starter strips void manufacturer material warranties even when shingles are defect-free.
Each shingle must receive the specified number of fasteners placed in the manufacturer's designated nailing zone. Fasteners driven outside this zone or at improper angles compromise wind resistance and void coverage.
Ventilation requirements vary by manufacturer but typically mandate one square foot of net free ventilation area per 150 square feet of attic space. Inadequate ventilation causes heat buildup that accelerates shingle aging and voids warranties. Property owners looking to find asphalt shingle help in Flushing should verify that contractors follow all manufacturer installation requirements to preserve warranty coverage.
Can Homeowners Transfer Warranties When Selling?
Most manufacturer warranties transfer to subsequent homeowners for a specified period, adding value during home sales and providing buyer confidence in roof condition.
Transferable warranties typically require notification to the manufacturer and may involve a small administrative fee. The transfer period varies by product line, with premium shingles offering longer transferable coverage than economy grades.
Workmanship warranties from contractors rarely transfer to new owners, making manufacturer material coverage the primary protection for home buyers. Sellers should provide warranty documentation and installation records to buyers during closing.
What Documentation Should Flushing Homeowners Maintain?
Flushing homeowners should retain installation contracts, material invoices, warranty certificates, and inspection reports to support warranty claims and demonstrate proper maintenance.
Manufacturer warranties require proof of purchase and installation date to process claims. Detailed records of maintenance activities such as inspections and minor repairs demonstrate proper care that preserves coverage.
Photographs of the completed installation and periodic condition assessments help document roof status over time. These records prove valuable when filing warranty claims or selling the property.
Cardinal Roofing installs asphalt shingle roofing in Flushing, MI with GAF and Owens Corning products backed by manufacturer material warranties and a 5-Year Craftsmanship Warranty covering installation defects. Learn about your warranty options at .