Spec Sheet The same 440 Butyl Gasketing sold in a 25 Ft roll is also available in a 2″ x 3″ Square. Made in a slightly thinner thickness of 1/8″ compared to the 3/16″ rolled Gasket, these squares are ideal to fill in the remaining opening created by the V notch bend. 2 squares per Sleeve on silicone based release paper Master Box: 512 pcs / squares Item Code: DMGASKPATCH 440 3x2x1/8 Butyl Gasket Patch [GR 440 2×3] When mating Ductmate frames 440 gasket is applied to the corners as in photo (approximately 3″ per corner). 3″ x 2″ Corner Patches can be used for corners to help eliminate inconsistent or reoccurring gasketing problems Note: 2×2 size shown in photo
