William Anderson Jr.
Owner / President, Northpoint Roofing, LLC
William Anderson Jr. is the Owner and President of Northpoint Roofing, LLC, a family-owned roofing company serving New Hampshire.
William Anderson Jr. helps lead Northpoint Roofing, LLC, a family-owned roofing company based in Goffstown and serving New Hampshire. Northpoint Roofing provides residential and commercial roofing services, including roof replacement, repair, inspections, maintenance, and roofing systems suited for New England weather.
Articles by William Anderson Jr.
What to Look for in an Insured Roofing Contractor
Before hiring a roofing contractor, it is important to understand whether they are fully insured. Here is what to look for, what questions to ask, and why liability insurance and workers’ compensation matter.
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What Causes Ice Dams on New Hampshire Roofs?
Ice dams form when snow melts and refreezes at the roof edge. New Hampshire homeowners can reduce risk with ventilation, insulation, and drainage awareness — and avoid damaging shingles when removing ice.
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Commercial Roof Warranties Explained: What Building Owners Should Know
Commercial roof warranties can involve materials, workmanship, and system coverage, but terms vary by project. Building owners should review scope, maintenance requirements, and project-specific conditions on qualifying work.
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Commercial Roof Maintenance Checklist: How to Prevent Costly Leaks
Seasonal drain clearing, seam checks, flashing reviews, and documented maintenance can help prevent costly commercial roof leaks on New Hampshire buildings.
Read Guide What Causes Commercial Roof Leaks? 8 Common Warning Signs
Commercial roof leaks often trace back to flashing failures, open seams, punctures, clogged drains, ponding water, or aging membrane — not just one obvious hole in the roof.
Read Guide 7 Signs Your Flat Roof Needs to Be Replaced
Ponding water, recurring leaks, membrane deterioration, wet insulation, and rising repair costs are common signs that a flat roof may be ready for replacement rather than another patch.
Read Guide Commercial Roof Inspection Checklist for Property Owners
A practical commercial roof inspection checklist for New Hampshire property owners — drains, seams, flashings, penetrations, ponding, interior signs, and when to call a roofing contractor.
Read Guide What Is Commercial Roof Coating — and Is It Worth It?
Commercial roof coatings can extend service life on some existing systems, but they are not a fit for every roof. Suitability depends on membrane condition, substrate moisture, drainage, and project scope.
Read Guide TPO vs. EPDM Roofing: Which Flat Roof System Is Better?
TPO and EPDM are both common single-ply options for low-slope commercial roofs in New Hampshire. The better fit depends on building use, drainage, attachment method, maintenance, and project goals.
Read Guide Best Commercial Roofing Systems for New Hampshire Buildings
The best commercial roofing system for a New Hampshire building depends on roof slope, drainage, exposure, building use, maintenance access, and long-term performance goals — not a one-size-fits-all recommendation.
Read Guide Commercial Roof Repair vs. Replacement: When Is It Time to Replace?
Commercial roof repair can extend service life when problems are limited, but recurring leaks, membrane failure, and rising maintenance costs often point toward replacement or a larger restoration scope.
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Roof Repair vs. Replacement: How to Know Which One You Need
Roof repair can solve isolated problems, but replacement may be the better investment when leaks recur, shingles are failing broadly, or the roof is near the end of its useful life.
Read Guide How Much Does Roof Replacement Cost in New Hampshire?
Residential roof replacement costs in New Hampshire depend on roof size, pitch, material, tear-off needs, decking repairs, ventilation, flashing, and project complexity — not a single statewide price.
Read Guide How Much Does Commercial Roof Replacement Cost in NH?
Commercial roof replacement costs in New Hampshire vary widely based on building size, roofing system, substrate condition, tear-off needs, insulation, drainage, access, and warranty expectations.
Read Guide How Much Does Roofing Cost in New Hampshire? 2026 Pricing Guide
This overview guide covers NH roofing costs across residential and commercial projects — repair, replacement, inspections, and maintenance — with planning ranges and links to deeper homeowner and building-owner guides.
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