A Tradition of Quality Service
for over 139 Years


Our Services

Masonry/Stone Restoration

 • Waterproofing/Dampproofing

 • Tuck Pointing

 • Paver (Concrete, Flagstone etc.)

 • Custom Mortar Patching

 • Pre-cast Concrete/Casting-in-place

 • Epoxy/Grout Injection

 • Plaster/Stucco

 • Water Repellents/Sealers

 • Drainage Repairs

 • Caulking

 • Expansion/Control Joints

Painting-Interior & Exterior

 • Specialty Coating

 • Deck Coating

 • Industrial Coating


Carpentry-Rough & Finish

 • Custom Millwork

 • Steeple Restoration

 • Structural Repairs

 • Siding Repairs

 • Siding Installations (All Types)

 • Window/Door Restoration & Replacement

 • Epoxy Repairs


Roof Replacement

• Single-ply

• Built-up

• Modified

• Urethane Foam and Silicone

• Slate

• Solar/Wind Installations

Over 139 Years of Quality Work



National Trust for Historic Preservation - www.preservationnation.org

A private non-profit membership organization “dedicated to saving historic places and revitalizing American communities”. An outstanding resource for restoration projects.


Connecticut Trust for Historic Preservation - www.cttrust.org

A non-profit organization whose mission is “to preserve, protect and revitalize Connecticut’s historically significant communities”. An excellent resource for both organizations and homeowners.


National Roofing Contractors Association - www.nrca.net

NRCA provides a wide range of information and services to help homeowners and building owners make informed decisions about replacing and maintain their roof systems.


North East Roofing Contractors Association - www.nerca.org

NERCA represents the premier roofing contractors in the Northeast region of the United States.


Connecticut Roofing Contractors Association - www.crcainc.org

Membership information providing contacts for the more prominent roofing contractors in the State of Connecticut.


BASF Polyurethane Foam Enterprises - www.basf-pfe.com

An excellent resource for information regarding high performance roofing systems.


Carlisle SynTec - www.carlisle-syntec.com

The leader in single-ply roofing solutions for over forty-five years.


Firestone Building Products Co. - www.firestonebpco.com

Firestone provides a wide variety of roofing systems that includes single-ply, metal and asphalt based solutions.


Siplast                     Soprema                     GAF                     Johns Manville                     Fibertite/Seaman’s





The F. J. Dahill Company is a fourth generation, family-owned structural restoration-contracting firm that has served New England since 1883, with job concentration in the state of Connecticut.


With a workforce of over 100 employees, F. J. Dahill Company has the capabilities to provide customers with the most detailed services available. We take great pride in completing projects with quality workmanship and developing long-term customer relationships.


We are specialists in remedial, preventative and structural restoration from roof to grade, interior and exterior. Our services include, but are not limited to, all types of roofing systems (single-ply, built-up, modified, urethane foam and silicone, shingle and slate, solar/wind installations and green/vegetative), caulking, painting, masonry, steeplejack work, carpentry, concrete repairs, protective coatings, historic building and distinctive residential restoration.


Some of the skills and techniques we employ are decades old, such as the craftsmanship used in the intricate masonry projects and detailed carpentry endeavors, Other methods are on the cutting edge if the latest technology, such as wind turbine installations and photovoltaic solar panel systems.


Over the past century, The Dahill Company has had the pleasure of working on some of the most prestigious buildings in Connecticut. The properties are as varied as the services we offer; including but not limited to, universities, chemical plants, manufacturing facilitates, historic mansions, hospitals, museums and houses of worship.




Address: 1003 Middletown Ave,
Northford, CT 06472

P.O. Box: 9578 New Haven, CT 06535


Phone: (203) 469-6454


Fax: (203) 469-0868


Email: service@fjdahill.com


























Do you have a question about your commerical roof?
Are you interested in a roof replacement or repair?
Do you need a repair or replacement estimate?

You can call us at 203-469-6454 or contact us via the form below and we will get back to you as soon as possible.

Online Job Application


1003 Middletown Ave, Northford, CT 06472