Leech Adhesives manufactures and distributes high-quality construction adhesives, sealants, and caulks for industrial, commercial, and home use. Whether you’re a professional contractor or a DIY enthusiast, our products provide reliable, long-lasting bonds for any project. Our F-26® Construction Adhesive is the industry standard for heavy-duty construction adhesives for powerful, long-lasting results.
USA-Made Construction Adhesives & Glues– Trusted Since 1930
Stick with Leech for Construction Glue and Adhesive You Can Trust
Trusted Since 1930
Family-owned, USA-made adhesive brand with decades of expertise
Weatherproof Construction Adhesive for Any Condition
Find a solution that works in any condition - Built to withstand heat, cold, and wet environments.
Premium Grade Construction Glue and Adhesives
High-quality, waterproof construction adhesives for all your needs.
World Famous
F-26® Construction Adhesive
Leech Product’s F-26 Premium Quality Waterproof Construction Adhesive is the heavy-duty, professional-quality construction adhesive that's the number one choice for bonding to all porous substrates.

Explore Our Selection of Indoor and Outdoor Construction Adhesive Solutions

Leech Adhesives provides a full lineup of high-performance construction adhesives, caulks, and sealants for industrial, commercial, and home projects. Our dual-duty indoor and outdoor construction adhesives and products are designed to offer superior durability and long-lasting strength to contractors and DIYers alike.
Residential, Industrial, and Commercial Construction Adhesive Solutions
Leech Adhesives delivers heavy-duty industrial construction adhesives that professionals rely on. Whether you're working on commercial construction projects, large-scale renovations, or specialty applications, our adhesives provide the strength, reliability, and versatility you need.
Choosing the Best Construction Adhesive for Your Application
Not sure which adhesive solution is right for your project? Our FAQs may point you in the right direction in selecting the best construction adhesive, heavy-duty adhesive, or caulk to ensure the best bond and long-lasting performance.
A Legacy of Excellence: The History of Leech Adhesives
Founded in 1930 by G.C. Hilton, Leech Adhesives started as a small business mixing and selling construction adhesives to country stores across the Midwest. Now operated by the Barker Family, our company continues to manufacture and distribute top-tier outdoor construction adhesives, proudly made in the USA and trusted nationwide by contractors and consumers alike.