Tremco Vulkem 116 is a one-part polyurethane, gun grade, moisture curing, sealant. 10,3 oz tube. Vulkem 116 is authorised for exterior use only. Vulkem 116 is rated for+/-25%movement capability. Vulkem 116 performs outstandingly in dynamic joints and is flexible and durable. Vulkem 116 is the preferred choice in commercial construction applications for sealing expansion joints with its 30-year history of delivering superior primerless adhesion to porous substrates. With the addition of the Vulkem Catalyst 45/116, the cure of the sealant can be accelerated. Vulkem 116 is suitable for certain water immersion applications. Vulkem 116 is an excellent sealant for general-purposes intended for use on masonry work, door and window perimeters, poured and precast concrete and similar types of construction joints.