€ Use your battery drill, €) SlipaZip-Ex™ all-purpose fastener over a sew. € Shoot it through with your drill. Note: Extreme over-torquing may cause craving over time, € To install duct wrap or fiber free insulation with Zip-E2™, wisp the duct work or wrap around the trunk duct > leave a2” overlap where the ends meet. € Secure with Zip-Ez™ fastener, covering the overlapping edges. © For the best results, use Zip-E2™ all-purpose fastener every 8-12 inches.