Grade 1 Insulation

Our Services

Practical insulation and air sealing solutions for homes and businesses, focused on comfort, efficiency, code compliance, and clean installations.

Insulation & Air Sealing Capabilities

We handle the insulation scopes common to new construction, renovations, additions, retrofits, and commercial projects. Every recommendation is based on the assembly, the climate, code requirements, and the project budget.

Fiberglass batt insulation

Fiberglass Batt Insulation

A dependable option for framed walls, ceilings, garage common walls, additions, and new construction. Proper fit and detailing help reduce gaps, compression, and weak spots in the thermal envelope.

Blown-in cellulose insulation

Blown-In Cellulose

Cellulose insulation is useful for attic upgrades, dense coverage, and improving R-value in existing homes. It helps fill irregular spaces and can be part of a practical energy-efficiency upgrade.

Spray foam insulation

Spray Foam Insulation

Open cell and closed cell spray foam can support high-performance air control in rim joists, roof assemblies, crawl spaces, basements, and other hard-to-insulate areas.

Air sealing and caulking

Air Sealing & Caulking

Targeted sealing around penetrations, bypasses, framing transitions, and leakage points helps reduce drafts, heat loss, and unwanted air movement through the building envelope.

Attic insulation

Attic Insulation

Attics are one of the most important places to improve comfort and efficiency. We address insulation levels, air sealing details, ventilation considerations, and access points.

Rim joist insulation

Rim Joist Insulation

Rim joists are common sources of air leakage and comfort issues. Insulating and sealing this area can make a noticeable difference in basements and first-floor comfort.

Additional Applications

Crawl Space Insulation

Insulation and air sealing for crawl spaces where moisture, temperature swings, and air leakage can affect comfort and durability.

Basement Insulation

Basement wall, rim joist, and transition-area insulation to help improve comfort and support a stronger building envelope.

Garage Insulation

Garage common walls, ceilings, and conditioned-adjacent areas insulated with attention to comfort, separation, and code details.

Sound Control

Insulation options for interior partitions, floors, and shared walls where reducing sound transfer is part of the project goal.

Moisture & Vapor Control

Assembly-aware recommendations for vapor barriers, moisture-sensitive areas, and insulation systems that fit New England conditions.

Commercial Insulation

Insulation and air sealing support for light commercial spaces, tenant improvements, and contractor-led commercial projects.

Insulation Removal

Removal of existing insulation when upgrades, repairs, contamination, or project conditions require a clean starting point.

Hybrid Systems

Flash and batt, hybrid roof assemblies, and project-specific systems designed around performance needs and budget.

Energy Efficiency Upgrades

Practical improvements that target comfort, heating and cooling performance, and long-term building efficiency.

Frequently Asked Questions

What insulation services does Grade 1 Insulation provide?

We provide fiberglass batt insulation, blown-in cellulose, spray foam insulation, air sealing and caulking, attic insulation, rim joist insulation, crawl space insulation, basement insulation, garage insulation, sound control, insulation removal, hybrid systems, and light commercial insulation.

What areas do you serve?

We serve New Hampshire, Southern Maine, and Northern Massachusetts, including surrounding communities near Manchester, Concord, Nashua, Portsmouth, Dover, Kittery, York, Haverhill, Newburyport, Lowell, Andover, and nearby areas.

Do you offer free insulation estimates?

Yes. Homeowners, builders, contractors, and commercial clients can contact us for a free estimate. Project details, photos, plans, and timing notes are helpful if available.

Do you work with builders and contractors?

Yes. We work with builders, general contractors, homeowners, and commercial clients on new construction, renovations, additions, retrofits, and project-specific insulation scopes.

Can attic insulation help improve comfort and energy efficiency?

Yes. Attic insulation and air sealing can help reduce heat loss, improve comfort, and support better heating and cooling performance, especially in New England homes.

Why is air sealing important with insulation?

Air sealing helps reduce drafts and uncontrolled air movement through gaps, penetrations, framing transitions, and attic bypasses. It often works together with insulation to improve the overall building envelope.

Where is spray foam insulation commonly used?

Spray foam insulation is commonly used at rim joists, roof assemblies, crawl spaces, basements, and other areas where air control and insulation performance are important.

What information should I provide for an insulation estimate?

Helpful estimate details include the project town or address, whether it is new construction or an existing building, the areas involved, any preferred insulation type, photos or plans if available, and the target schedule.

Do you insulate crawl spaces and basements?

Yes. We provide crawl space and basement insulation, including work around rim joists, basement walls, transitions, and areas where air leakage or moisture-sensitive conditions need attention.

What is the difference between insulation and air sealing?

Insulation slows heat transfer, while air sealing helps reduce uncontrolled air movement through gaps, penetrations, and transitions. The two often work together to improve comfort and building performance.

Do you handle insulation removal before installing new insulation?

Yes. Insulation removal may be recommended when existing insulation is damaged, contaminated, poorly installed, or in the way of an upgrade or repair.