Tremco Dymeric 240FC is a gun grade, multi-component, chemically curing, polyurethane sealant that includes a tintable base, curative packet, and a choice of 70 standard colors. Dymeric 240FC polyurethane sealant is an all around general-purpose sealant that provides flexible, long life and durable waterproofing for both new construction and restoration projects in a very fast curing formulation. Dymeric 240FC is formulated as a lightweight material that is designed for extremely easy mixing even in cold temperatures. Dymeric 240FC is a solvent-free product that complies with all existing VOC regulations. Dymeric 240FC may be used in any vertical or horizontal joint designed in accordance with accepted architectural/engineering practices. Joint width should be 4 times anticipated movement, but not less than 1/4”. Color packets are sold separately.
Pre-cast tilt-up concrete
EIFS (exterior insulating and finishing systems)
Metal curtain walls
Perimeter joints around doors and windows
Some water immersed uses
Adheres to most common substrates
Pot life (after curative packet added): 3.0 to 3.5 hours at 77 °F, 1.5 to 2.0 hours at 95 °F, 1.0 to 1.5 hours at 120 °F.
Do not apply Dymeric 240FC to damp or contaminated surfaces.
Always utilize the accompanying Safety Data Sheet for information on PPE (personal protective equipment) and health hazards.