Product /
Jul 8, 2020

Is This is the First Elastomeric Sealant with 100 Percent Joint Movement?

Adhesives and sealants manufacturer Franklin International says its new Titebond DuraMaster is the first elastomeric sealant that can handle 100 percent joint movement without compromising adhesion.

The company says the product also is the first to achieve the highest ASTM C-920 rating for sealant performance, Class 100/50, which means it can handle movement of 100 percent expansion and 50 percent contraction. Titebond say this also means the product is resilient enough to handle high amounts of movement.

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“We are extremely excited to offer DuraMaster to contractors who are committed to superior construction quality,” says Mark Schroeder, Titebond’s vice president of marketing. “It takes its place among our most outstanding products; it is the ultimate sealant in its product category. We’re proud of that and of our ability to give construction pros the ideal sealant to get the job done, faster and better.”

DuraMaster is a water-based elastomeric sealant that offers 100 percent joint movement capability. Typical elastomeric sealants are developed to handle movement of 25 percent of the original joint size and are rated Class 25 – the minimum rating for handling a moderate amount of movement, Titebond explains.

Movement occurs with expansion and contraction of building materials due to temperature changes, settling, seismic events and wind, Titebond explains. DuraMaster performs four times better than Class 25 sealants and can handle everything from moderate to maximum movement, ensuring joint durability under tough conditions.

“Meeting the Class 100/50 specification establishes DuraMaster as the ultimate water-based elastomeric sealant, with proven superior performance features to meet contractors’ tough demands for lasting durability,” the company continues. “It stays permanently flexible and is crackproof, ensuring that the sealant expands and contracts with temperatures changes. Like all Titebond construction adhesives and sealants, DuraMaster is developed first and foremost for pro use, including special packaging features such as the removable nozzle.”

Contractors can use DuraMaster for interior and exterior applications, such as windows, doors, trim, and siding. The company says it adheres to most common building materials, including vinyl, metal, glass, wood, PVC, concrete, aluminum, and all types of siding. The sealant is able to span large gaps, up to 2 inches wide. Water cleanup and easy to use, DuraMaster is available in 13 colors and is paintable. With a VOC content of less than 50 g/L, the sealant also is VOC compliant. It comes in in 10.1-ounce cartridges.

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Nigel F. Maynard

Nigel F. Maynard is the Editor of PRODUCTS. 

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