"Exceptional service from start to finish."

"Raven Insulation is absolutely the best option for a spray foam insulation job! The customer service is a professionalism ? highly recommend!"

"Dillon just finished up updating the insulation in our attic, it was old and missing in quite a few spots. Needed to be brought up to code. All work was done well and he cleaned up everything before leaving. I would use him again and recommend him to anyone."

"Needed to get my new shop insulated and called 4 States, their work was fast and efficient! The changes that the insulation made were huge!"

We have provided top of the line services in the construction industry for over 2 decades, by listening to customers needs and working with their budgets to find solutions that work for their projects. We strive to be the first choice, when providing budget friendly options for commercial and residential projects.

At Zwicker Renovation & Repair, we specialize in making your house a home. \n\nOur work history includes walk-in showers, vanities, cabinets, bathroom tiling, water damage restoration, mold/mildew mitigation, joist/framing repair, luxury vinyl plank flooring, laminate tiling, ceramic/porcelain tiling, outdoor living spaces, porch add-ons, storage sheds, outbuildings, and so much more. This practical, real-world experience is backed up by a degree in Building Construction Technologies and Pre-Engineering from the Seacoast School of Technology, an accredited trade school in New Hampshire.\n\nNo matter what your next project is, our carpenters make your home remodel visions a reality.

"We decided to not do foam insulation, which is why we didnâ t use Envirotech, but the quote process was great as Scott was very responsive. Once we decided to not move forward, Scott processed the refund of our deposit right away."

"On time, courteous, professional. Priced well and provided pictures of attic. Special. Since I could not climb steps to see. Highly recommend this company and crew."

"They did a great job installing the spray foam insulation in my garage. The employees were very friendly and professional."

"They were great. I hired them to remove old insulation and install new insulation. They discovered serious issues with my a/c duct work. They rearranged their schedule to come back and make repairs to the ducts. They were lifesavers."