New JTS 1 joint and termination sealant from Mule-Hide Products Co. allows contractors to quickly and easily seal large joints and roof termination bars – including those submerged under water – with no sagging or shrinking and minimal odor. The 100 percent solids moisture-cure urethane sealant delivers excellent adhesion to EPDM and PVC membranes, concrete, masonry, wood, vinyl and other common building materials. Primer is required when using it on TPO membranes.JTS 1 offers exceptional workability in both dry and wet surface applications and can be used to seal joints up to 2 inches wide and 1 inch deep. It has a tack-free time of just 30 minutes. It has minimal odor and can be used in areas with volatile organic compound (VOC) restrictions.The sealant is packaged in durable plastic cartridges that can be submerged under water to repair roof leaks, gutters and downspouts.

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