ARC Spandrel Barrier seals the top of the party wall cavity, allowing a zero U-value to be achieved when used in conjunction with ARC T-Barrier vertically. Spandrel Barrier is compressed between the top of the party wall blockwork and underside of the spandrel panel, creating a fire and thermal break.
Up to four hours fire integrity around edge of party wall
Up to one hour fire integrity between the spandrel panel and blockwork
Use in conjunction with ARC T-Barrier vertically to create an effective edge seal around the party wall cavity
Zero U-value can be achieved