Lucas #5400 is a high-performance, thermoplastic elastomer-based roofing sealant. The multi-purpose sealant reportedly offers excellent adhesion to most surfaces, including asphalt, shingles, modified bitumen, metal, Kynar®, wood, concrete, tile, and masonry. The sealant is available in three grades: brush, trowel and caulk.

 For more information, visit www.rmlucas.com.