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Business Details
Expert Roofing & Structural Restoration Services
Established in 1883, F J Dahill is a fourth-generation family-owned structural restoration-contracting firm serving New England with a focus on Connecticut. Our team of over 100 employees specializes in remedial, preventative, and structural restoration services from roof to grade, combining time-honored craftsmanship with cutting-edge technology. We offer comprehensive solutions including roofing systems, masonry restoration, carpentry, concrete repairs, and historic building restoration. Our expertise spans commercial, industrial, and historic projects, including universities, hospitals, and houses of worship.

We prioritize quality workmanship, long-term customer relationships, and tailored services for both modern and heritage structures. Affiliated with leading industry organizations, we maintain rigorous standards in safety, innovation, and client satisfaction. With decades of experience in complex restoration projects, we deliver durable, code-compliant solutions for diverse architectural needs. Our commitment to excellence has made us a trusted partner for structural integrity and preservation across the Northeast region.
Services
Masonry Restoration Roofing Systems Concrete Repairs Historic Preservation Carpentry Services Waterproofing Solutions Protective Coatings Steeple Restoration Solar Installations Drainage Repairs
Highlights and features
  • We offer over 139 years of specialized restoration experience.
  • Our team combines traditional craftsmanship with modern technology.
  • We serve commercial, industrial, and historic properties exclusively.
  • Our workforce includes 100+ skilled professionals for complex projects.
  • We maintain partnerships with leading industry organizations.
Services
Masonry Restoration
Our masonry restoration services address deteriorated brick, stone, and concrete structures using traditional tuck pointing and custom mortar techniques. We specialize in historic preservation while ensuring structural integrity meets modern standards. Clients benefit from durable, aesthetically authentic repairs for both commercial and heritage buildings.
Roofing Systems
We install and repair single-ply, modified, silicone, and slate roofing systems with expert application of urethane foam and solar technologies. Our solutions provide long-term protection against weather damage while improving energy efficiency. Commercial clients receive tailored systems for industrial facilities and institutional buildings.
Historic Preservation
Specializing in historic building restoration, we employ traditional carpentry and masonry methods to preserve architectural integrity. Our team works on museums, houses of worship, and landmark properties, maintaining original design elements while implementing modern waterproofing and structural reinforcements.
Concrete Repairs
We perform precision concrete restoration including crack injection, spall repair, and epoxy treatments. Our methods address both aesthetic and structural concerns for commercial buildings, ensuring safety compliance and extended material lifespan through advanced engineering solutions.
Protective Coatings
Our industrial coating applications include deck sealants, waterproof membranes, and specialty finishes that protect against corrosion and weathering. These systems enhance durability for commercial roofs, concrete structures, and metal components while meeting environmental regulations and safety standards.
Questions
What types of roofing systems do you install?
We install single-ply, built-up, modified, urethane foam, silicone, slate, and solar roofing systems for commercial and industrial properties.
Do you work on historic buildings?
Yes, we specialize in historic preservation projects including masonry restoration, steeple repairs, and traditional carpentry for landmark properties.
What areas do you serve?
We primarily serve Connecticut and the broader New England region for all structural restoration projects.
Are emergency repairs available?
We handle urgent repair requests during regular business hours but don't offer 24/7 emergency services.
What certifications do your workers hold?
Our team maintains industry-standard safety certifications and specialized training in historic preservation techniques and modern construction methods.