All Garage door supplier in Merrimack

We make it easy for you to choose the right garage door.

When you visit our showroom, you’ll see twenty complete full- size doors on display. There is always a knowledgeable professional available to answer your questions, in fact; you can usually speak directly to one of the owners. We also have the expertise to engineer custom installations.

If your busy schedule makes visiting the showroom difficult, we offer a shop-at-home service that you can take advantage of at a time convenient for you.

Our service technicians can perform maintenance or repairs on site at our full-service facilities in Merrimack or Brentwood, NH.

We stand behind the quality of our product and installation – we are not satisfied until you are.

Lighthouse Door Company provides exterior and interior doors. Vinyl and fiberglass windows. Remodeling and finish carpentry. Garage door sales and service. Certified siding installers. RRP certified. Therma-Tru certified installers.

We make it easy for you to choose the right garage door.

When you visit our showroom, you’ll see twenty complete full- size doors on display. There is always a knowledgeable professional available to answer your questions, in fact; you can usually speak directly to one of the owners. We also have the expertise to engineer custom installations.

If your busy schedule makes visiting the showroom difficult, we offer a shop-at-home service that you can take advantage of at a time convenient for you.

Our service technicians can perform maintenance or repairs on site at our full-service facilities in Merrimack or Brentwood, NH.

We stand behind the quality of our product and installation – we are not satisfied until you are.