ARCHIVE
#9600 All Purpose Construction Sealant
Strong, versatile, and built to perform anywhere. Lucas #9600 is a premium, 100% solids moisture-cure urethane sealant made for sealing large joints, termination bars, and a variety of building materials. It adheres powerfully — even when applied to wet or underwater surfaces — and is safe for indoor or outdoor use. Why choose Lucas #9600?…
#4500 SEMI-SELFLEVELING SEALER
Lucas #4500 is a 100% solids moisture-cure hybrid polyurethane sealant. Use to construct liquid flashing systems on all types of roofs. Compatible with Lucas silicone and water-based acrylic coatings. Ideal for sealing metal roof seams and fasteners and miscellaneous repairs on low-slope roofs. Available in white and black. Lucas #4500 may also be used in…
#6600 UNIVERSAL™ SEALANT
The all-in-one sealant for nearly any roof. Lucas #6600 Universal™ is a high-performance, thermoplastic elastomer sealant designed for versatility and long-term durability. It forms a tough, flexible bond on virtually any roofing surface and maintains a clean appearance — perfect for visible roof areas. Benefits: Perfect for sealing seams, flashings, and penetrations on all roof…
#6600 ULTRACLEAR SEALANT
Crystal-clear protection that blends right in. Lucas #6600UC Ultraclear™ offers all the durability and flexibility of our Universal™ Sealant in an optically clear formula. It’s perfect for sealing joints, seams, and flashings where a transparent, clean look is important. Benefits: Available in Ultra Clear only — for strength that shows less but lasts longer.
#9500 LIQUID FLASHING
Seamless protection for flashing, seams, fasteners, and repairs. Lucas #9500 Liquid Flashing is a one-part, hybrid polyurethane sealant designed to create watertight, flexible flashing systems. Ideal for sealing pitch pans, fasteners, and seams, it provides a smooth, non-sag application that resists running — even on vertical surfaces. Benefits: For TPO roofs, use with Lucas #8015…
O U R L O C A T I O N S
Alsip Plant and Corporate Office:
12400 S. Laramie Ave
Alsip, IL 60803
Chicago Plant:
3211 S. Wood St.
Chicago, IL 60608
Austin Warehouse:
11752 S Austin Ave.
Alsip, IL 60803
General Office:
773-523-4300
General Fax:
773-523-3290
English 
Spanish