Compare the highest-rated roofing professionals in Grantham, New Hampshire. All contractors are licensed, insured, and verified through our rigorous screening process.
A premier full-service roofing contractor specializing in both residential and commercial projects throughout the Sullivan County region. They are known for their exceptional craftsmanship, detailed project management, and expertise in handling complex insurance claims for storm and hail damage. They use high-quality materials from leading manufacturers and offer robust warranties.
A family-owned and operated roofing business with deep roots in the Grantham community. They excel in residential roof replacements and repairs, particularly with asphalt shingles and synthetic slate, chosen for their durability against New England winters. They are praised for their honest inspections, clear communication, and meticulous cleanup.
While serving the entire Upper Valley area, this contractor has a significant presence in Grantham's commercial and industrial sectors. They focus on flat/low-slope roofing systems, roof coatings, and ongoing maintenance plans for businesses, property managers, and HOAs. They are also adept at large-scale residential projects and standing seam metal roofs.
Grantham's roofing market is heavily influenced by its humid continental climate, characterized by cold, snowy winters and potential for severe weather year-round. Key concerns for homeowners and businesses include damage from heavy snow loads, ice dams, high winds, and occasional hail. The local industry demands contractors with specific expertise in weather-resistant installations, proper ventilation to prevent ice dams, and experience navigating insurance claims for storm damage. The market is competitive, with a mix of long-established local companies and larger regional operators serving the area from hubs like Lebanon.
4.7+ star average from verified customer reviews
All contractors are properly licensed and insured
10+ years average experience in the industry
Familiar with Grantham regulations and climate
Get answers to common questions about roofing services in Grantham, New Hampshire.
For a standard asphalt shingle roof in Grantham, costs typically range from $12,000 to $25,000, depending heavily on roof size, pitch, and material choice. Grantham's pricing is influenced by regional material delivery costs and the need for experienced crews familiar with New England's specific installation requirements for snow and ice. Premium materials like metal or architectural shingles will increase this range, but offer better longevity against our climate.
The ideal scheduling window in Grantham is late spring through early fall (May to October). This avoids the harsh winter conditions where ice, snow, and cold temperatures can compromise installation quality and safety. However, due to high demand, reputable local contractors are often booked months in advance, so we recommend initiating consultations in late winter or early spring to secure a spot for the upcoming season.
Absolutely. Given Grantham's heavy snowfall, freeze-thaw cycles, and potential for ice dams, we strongly recommend ice and water shield underlayment at eaves and valleys, along with proper attic ventilation. For materials, impact-resistant asphalt shingles (Class 4) handle hail and falling branches well, while standing seam metal roofs excel at shedding snow. These features are critical for durability and are often required by New Hampshire building codes for proper performance.
Always verify that the contractor is licensed and insured in New Hampshire, and ask for proof. Choose a company with a long-standing physical address in the region, as they understand local weather challenges and building codes. Check for Grantham-specific references and view past projects, and be wary of storm-chasing contractors who appear after major weather events with no local ties or history.
Yes, a building permit from the Grantham Town Offices is required for a full roof replacement. New Hampshire's building codes mandate specific requirements for roof deck attachment, ice barrier installation, and ventilation to handle snow loads, which your contractor must follow. A reputable local roofer will typically pull this permit on your behalf and schedule the required final inspection to ensure compliance.