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What Our Customers Are Saying

Highly recommended!! They installed insulation throughout my 100+ year old home. They were professional, friendly, and did the job right! Excellent service!! My husband and I couldn't be happier!


"We are glad we decided to go with the foam insulation. We now have zero drafts in the rooms we had done and will have more rooms to come. All the people that we delt with were very helpful and courteous. We saw a big saving in our heating bill right away. We would recommend Colonial Green."

Glen N.


"I ordered spray foam for a property I recently purchased the job was done on time with excellent results. I am very satisfied with the professionalism in this company's work and customer service. I will definitely use them on future properties I purchase."


"Just got blown in insulation in my garage, and these guys were great! Cleaned up their mess. They were cool. Thorough and they did a great job. My game room is almost done!"


Wachusett Brewery

Westminster, MA

Tiny House

Southern NH
Spray Foam Insulation

Grove Street

Worcester, MA
Insulation, Fireproofing

1800's Farmhouse

Winchendon, MA
Spray Foam Insulation

Wentworth Community Housing

Hartford, VT

RiverWoods Exeter

Exeter, NH

Cellulose Insulation

Cellulose insulation is an environmentally friendly, low cost material that is made mostly from recycled newspaper. It has high thermal resistance properties and can save on energy costs when compared to other types of insulation.

Spray Foam Insulation

Spray foam insulation is the process of filling an area with a foam that adheres to the shape of its container.  This type of insulation is resistant to fire, rot, mold and pest infestation, making it suitable for both residential and commercial use.

Fiberglass Insulation

Fiberglass insulation serves as an air barrier because the individual fibers are too large to fit through cracks and voids that may have developed in an existing building envelope. Fiberglass insulation can block airflow from both above and below the loose fill material.


The process of fireproofing is known as the field that deals with preventing or minimizing the spread of fire. It mainly focuses on protecting structural members from fire damage, including steel beams, steel trusses, and concrete components/elements.


Firestopping is the term used to define the products which are required for fire protection of structural systems. A void in a continuous barrier could allow a fire to spread throughout that void, thus compromising an entire building.  

Spray Foam Roofing

Spray foam roofing is an insulation material that can be sprayed onto the underside of roofs; it also insulates buildings from moisture and noise. The insulation material is a mixture of a variety of chemicals and additives, including water. 


Spray Foam Insulation

Spray foam is an air barrier which results in the elimination of drafts, hot spots and cold spots.

Cellulose Insulation

Cellulose insulation is a remarkable improvement over aging insulation in an existing building.

Financing Available

Interest Rates from 9.5% to 14.5%


Spray Foam Insulation

Go green in more ways than one, by saving energy as well as money on your monthly bill.

Cellulose Insulation

Our insulation services are designed to function within the needs of the facilities.

Firestopping & Fireproofing

Interest Rates from 9.5% to 14.5%

Colonial Green Products

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