MasterSeal Sonneborn NP1 121.2-oz Stone Paintable Polyurethane Window and Door Caulk RV Level Riveted construction

Riveted construction

Also Has Shearing Holes For 6 32 & 8 32 Screws & Is Spring Loaded For Self Opening Action

Can be rotated for easier and faster installation

MACHINES: radial arm saws

MasterSeal Sonneborn NP1 121.2-oz Stone Paintable Polyurethane Window and Door Caulk RV Level Riveted constructionMasterSeal NP 1 (formerly known as Sonolastic NP 1) is a one component, high performance, non priming, gun grade, elastomeric polyurethane sealant. It requires no mixing and typically requires no priming to bond to many materials, including concrete and masonry. Used as an acoustic sealant, MasterSeal NP 1 reduces sound transmission in partition systems to support high STC values by sealing spaces around cut outs and at perimeters of partitions. One