Premium, flexible flashing cement for easy repairs. Lucas #777 is a rubberized, high-performance flashing cement that applies smoothly and holds strong — even in wet conditions. It’s ideal for repairing flashings, seams, and roof penetrations on asphalt and modified bitumen systems. Benefits: Use with polyester fabric reinforcement for permanent repairs or in high-movement roof areas.

Reliable, professional-grade flashing cement. Lucas #771 is a premium trowel-grade flashing cement for installing and repairing flashings, seams, and penetrations on asphalt and built-up roofs. It spreads smoothly, sets quickly, and stays durable for years. Benefits: For wet or modified bitumen applications, use Lucas #776 Elite™ for best results.

Dependable performance in any weather. Lucas #775 is designed for roof and flashing repairs that can’t wait for dry weather. It adheres tightly to wet or underwater surfaces and provides lasting protection. Benefits: Perfect for asphalt, built-up, and modified bitumen roofs.

Strong, easy-to-use roof repair cement. Lucas #744 Plastic Cement is a reliable, trowel-grade mastic for installing or repairing flashings, seams, and penetrations on asphalt and built-up roofs. Benefits: Ideal for general roof maintenance and patching.