Trusted spray foam roofing & insulation services for Hanover, NH property owners. Licensed, insured, and backed by manufacturer warranties.
Professional roofing, coating, and insulation services for Hanover property owners and facility managers.
Waterproof your flat or low-slope roof with a spray-applied membrane system that eliminates the seam failures, flashing leaks, and ponding damage that plague conventional roofing. One seamless application. Permanent results.
From minor surface patches to full-section refoaming and recoating, our repair crews restore SPF roof performance using materials compatible with your existing system. Every repair is blended seamlessly and warranted.
Spray foam insulation for crawl space walls, rim joists, and band boards that eliminates moisture, cold floors, and musty odors. Closed-cell foam acts as both insulation and vapor barrier in a single application.
Metal roofs leak at fasteners, seams, and panel overlaps. Our coating systems bridge and seal every one of these failure points while adding a reflective finish that reduces surface temperatures and cooling costs significantly.
Extend the life of your existing roof by 15 to 20 years with a silicone coating that seals every seam, reflects solar heat, and handles ponding water without softening or deteriorating. Professional application with manufacturer warranty.
Precision leak detection and permanent repair for active roof leaks. We use infrared moisture scanning and visual inspection to trace the leak to its source, then apply a lasting fix — not a band-aid — so it never comes back.
Attic insulation with spray foam delivers the highest R-value per inch and eliminates the air infiltration that accounts for up to 40 percent of your home energy waste. Our crews install cleanly and efficiently — in and out in one day.
New spray polyurethane foam roof installation that creates a seamless, self-adhering membrane with the highest R-value per inch of any roofing system. Energy-efficient, leak-proof, and engineered to last 30 to 50 years with periodic recoating.
Full roof replacement with spray polyurethane foam delivers superior insulation, waterproofing, and wind uplift resistance compared to conventional membrane systems. We strip the old roof, inspect the deck, and install a new SPF system built for decades.
Roof restoration saves 50 to 70 percent compared to full replacement while delivering equivalent performance. Our SPF and coating systems seal every seam, add insulation value, and provide a reflective finish that cuts cooling costs.
Know the true condition of your roof before problems escalate. Our inspection process covers every component — membrane, flashings, penetrations, drains, and substrate — and delivers a clear, actionable report you can trust.
Large-scale commercial roof restoration using SPF and coating systems that extend roof life by 20 or more years without the cost and disruption of full replacement. Phased scheduling available to keep your business operational.
Protect your roofing investment with a maintenance program designed for your specific roof type. Our crews document every visit with photos and condition ratings so you always know the exact state of your roof.
Professional flat roof repair for all membrane types — TPO, EPDM, modified bitumen, built-up, and PVC. We find the actual source of the leak using infrared scanning and fix it permanently, not with another temporary patch.
Hail, wind, and debris damage demand immediate attention and thorough documentation. Our crews respond quickly, document all damage with photos and measurements that satisfy insurance adjusters, and restore your roof completely.
Hanover, NH experiences the kind of temperature swings that punish conventional roofing and insulation. Lapolla Industries installs spray polyurethane foam systems engineered to perform in exactly these conditions — continuous insulation with no thermal bridging, no seams, and no weak points where New Hampshire weather can exploit gaps in your building envelope.
For Hanover businesses watching their utility bills climb, a spray foam roof restoration can reduce cooling costs by 20 to 40 percent while extending roof life by 20 or more years. For homeowners, attic and crawl space insulation with closed-cell SPF eliminates hot spots, cold drafts, and the energy waste that comes with them. Call (866) 605-0362 for a free energy assessment.
We are committed to delivering exceptional spray foam solutions that protect your biggest investment.
SPF roofing delivers the highest R-value per inch of any commercial insulation. Our customers typically see 20 to 40 percent reductions in heating and cooling costs after installation.
Our crews live and work in the communities we serve. We understand local building codes, climate conditions, and the best SPF systems for your specific region.
Lapolla Industries has been at the forefront of spray polyurethane foam technology since 2003 — with deep roots in SPF manufacturing and application that few competitors can match.
No hidden fees, no surprise charges. You receive a detailed written estimate before we start and the final invoice matches — guaranteed. Every line item explained.
Every project comes backed by manufacturer material warranties plus our own workmanship guarantee. We handle all warranty registration so you are always covered.
Answers to the most frequently asked spray foam questions from Hanover property owners.
Silicone roof coatings offer the longest service life for flat and low-slope roofs in Hanover. Unlike acrylic coatings, silicone does not re-emulsify in ponding water and maintains its flexibility and UV resistance for 15 to 20 years. We recommend silicone for any Hanover roof with drainage challenges or heavy weather exposure.
Yes. Spray foam applied to crawl space walls and rim joists creates an airtight moisture barrier that eliminates condensation, musty odors, and cold floors. For Hanover homes with persistent crawl space moisture issues, closed-cell foam combined with vapor barrier encapsulation provides a permanent solution.
Spray foam insulation costs in Hanover typically range from $1.50 to $3.50 per square foot for open-cell and $3.00 to $7.00 per square foot for closed-cell. The exact price depends on the area being insulated, foam thickness, and accessibility. Most Hanover homeowners see a full return on investment through energy savings within 3 to 5 years.
If your commercial roof in Hanover is structurally sound but showing surface deterioration — cracked coatings, minor leaks, UV damage — restoration with SPF and a new coating system is likely the better investment. If there is widespread substrate damage, saturated insulation, or structural concerns, full replacement may be necessary. Our inspection will determine which option is right.
Closed-cell foam is denser, provides a higher R-value per inch (R-6.5 vs R-3.7), and acts as a vapor and moisture barrier. Open-cell foam is lighter, more flexible, and more affordable. For roofing applications in Hanover we typically recommend closed-cell for its waterproofing properties. For interior wall insulation, either type may be appropriate.
Call us immediately for emergency tarping to prevent further water damage. Our Hanover storm damage crews respond quickly to secure your property, document all damage with photos and measurements for your insurance claim, and provide a complete restoration plan. We work directly with insurance adjusters to ensure your claim is handled smoothly.
Honest feedback from property owners who trusted Lapolla Industries with their spray foam projects.
"Full roof replacement on our 12,000 square foot commercial building. Lapolla Industries removed the old single-ply membrane and installed spray foam with a silicone topcoat. Clean work, professional crew, and a 20-year warranty."
"Got a comprehensive inspection done on our warehouse roof. They found three areas of trapped moisture that were invisible from the surface. The early detection saved us from much more expensive structural repairs down the road."
"Lapolla Industries insulated our crawl space with spray foam and encapsulated the entire area. No more cold floors in winter, no more musty smell. The crew worked in tight quarters and did an excellent job. Very impressed."
Lapolla Industries proudly serves property owners in these cities near Hanover.