D&D Sealants Inc

Protecting Your Structures from Weather, Water, and Air Infiltration

Commercial Joint Sealant Contractor You Can Rely On

Construction site with a tall precast building in need of caulking under construction and a red crane lifting materials above.

Experts in caulking for precast, high-rise, and beyond.

Caulking precast structures offers crucial benefits: it prevents water intrusion, which can lead to costly damage like corrosion and structural weakening. It also enhances energy efficiency by sealing gaps, reducing drafts and energy loss. Finally, it improves the buildings aesthetic appeal by providing a clean finished look.

Union Local 21 signatory delivering expert caulking and building envelope sealing for brick, precast, windows, doors, and concrete.

Comparison of two city skyscraper scenes with tall buildings, one under construction that is being caulked and one completed, seen from street level with trees and traffic lights.

Experience the Difference.

With 35+ years of combinded experience in the trade, we deliver superior caulking through clear communication to achieve your goals, providing high-quality workmanship and lasting value.  

A construction worker wearing a safety orange shirt, harness, and hard hat standing on a swing stage caulking a building exterior with other buildings and chicago skyline in the background.

Safety First,Quality Always.

We prioritize safety in every aspect of our projects, ensuring a secure environment while delivering exceptional workmanship. 

  • Union Local 21 Signatory

  • Fully Insured & Safety Compliant

  • Serving Commercial & Industrial Projects

  • Experienced with Large-Scale Construction

Our
Projects

  • Caulking perimeter of new windows installation

    Brennemann Elementary School

  • Caulking precast panels

    Plum Creek Christian Academy

  • Glenbard East H.S.

  • Caulking perimeter of new window installation

    Glenbard West H.S

  • Caulking glass canopy

    Mission Church

Leadership

At D&D Sealants Inc., we are proud to introduce co-owners and skilled tradesmen, Daniel Izguerra and Douglas Messer. Together, we bring over 35 years of expertise, dedication, and commitment to delivering high-quality work in the caulking and construction industry.  We spent years working together under the guidance of Mike Foley owner of MDF Sealants Inc, a respected leader in the industry. As Mike retires, he is playing a pivotal role in helping us establish D&D Sealants Inc. by providing mentorship, sharing his expertise and guiding us through the ins and outs of running a successful company.

Meet the Team

  • A construction worker caulking a sill kneeling in front of large curtain windows inside a high-rise building under construction in chicago, with city buildings visible outside.

    Danny

    Co-Owner

    Danny brings 20 years of experience as a Local 21 Bricklayer to the team. His extensive skill set includes caulking, tuckpointing, brick replacement, patching, polyurethane and epoxy injection, and waterproofing. His deep expertise and commitment to quality craftsmanship make him a valuable asset on every project.

  • Construction worker in safety gear on a swing stage caulking a window on a hospital in chicago.

    Doug

    Co-Owner

    Doug comes from a long line of tradesman as his late father and grandfather were both in the trade. Doug brings 15 years of experience as a Local 21 Tuckpointer/Caulker to the team. His expertise lies in, high elevation caulking using swing stages, bosun's chair, and boom lifts, delivering durable, high-quality results while keeping safety at the forefront.