Sealants & Bearing Pads Butyl Mastic Joint Sealant – For Box Joints 8004B – Concast

Vulkem polyurethane sealant is designed for use on poured and precast concrete surfaces. Click here for Vulkem application instructions

Concast offers C-56 Butyl Mastic Joint Sealant made by NPC Bidco, and it can be purchased under P/N: 8004B. This sealant comes in a coil of rope with paper backing & it remains flexible and forms a permanent bond to concrete. It is designed not to shrink, oxidize or harden and has excellent resistance to temperature extremes, acid and alkaline environments.

If neoprene bearing pad (NEO) has been included with your project, it should be installed on the cover ledge prior to cover installation.This is done to provide additional protection to the ledge and stabilization to the cover.Neoprene pad is available in 50 ft rolls.