Metacaulk Firestop Joint Strip 2.5" x 82' - Pack of 2 Glass Core Drill Bits Clean bits after each use

Clean bits after each use by wiping away dust

Enhancing durability of residential stone installations

500 x 7/8-5/8* PM30M4525C 4

Head styles include a slotted hex washer head

Metacaulk Firestop Joint Strip 2.5" x 82' - Pack of 2 Glass Core Drill Bits Clean bits after each useMetacaulk Joint Strip Metacaulk Joint Strip is a flexible firestop material designed for use in concrete and masonry control floor and wall joints up to 2 inches (51 mm) wide. It provides reliable fire protection by helping prevent the passage of flame, smoke, and hot gases through rated control joints. Highly intumescent with multiple stage expansion technology, Metacaulk Joint Strip forms a strong protective char when exposed to heat. It is ideal