383FEJ
NS Closed Cell Neoprene Sponge
📎 Submittal Required
Please download and complete the Expansion Joint Submittal Sheet before purchase to ensure proper sizing and application for your project.
Expansion Joint Filler – Neoprene Sponge
Flexible joint material for masonry movement control.
This expansion joint filler is designed for use in masonry cavity walls, either horizontally beneath relieving angles or vertically between masonry sections to act as a control joint. It helps accommodate thermal movement while preventing mortar from clogging the expansion space, ensuring the wall performs as designed.
Made from closed-cell neoprene sponge, it provides long-term resilience and conforms to ASTM D1056 Grade 2A1. Options are available for various joint sizes and special conditions.
Product Features:
Prevents mortar intrusion and accommodates building movement
Ideal for vertical and horizontal masonry expansion joints
Conforms to ASTM D1056 Grade 2A1
Available with adhesive backing (on request)
Tear-strip options available by special order
Available Sizes:
Thicknesses: ¼", ⅜", ½"
Standard Width: 3"