Kooltherm Insulated Cavity Closers

Kooltherm Insulated Cavity Closer Product 1

Insulated Extrusions for Closing Wall Cavities at Openings

Kingspan Kooltherm Cavity Closer comprises a PVC-U extrusion with a premium performance fiber-free rigid thermoset phenolic insulation core, faced on both sides with a glass

Kingspan Kooltherm Cavity Closer provides a simple and efficient method of closing cavities around openings in masonry cavity, wood frame and steel frame system wall constructions. tissue based facing, autohesively bonded to the insulation core during manufacture.

Product Brochure

Kingspan Cavity Closer Product Sheet

Do you need information on the application of the Kooltherm
Cavity Closer?

Get in touch with our friendly technical team and they'll guide you through using the Kooltherm Cavity Closer in your project.

Contact our Technical Team

Kingspan Insulation North America

Head Office & Sales Office – North America

Kingspan Insulation LLC

2100 Riveredge Parkway, Suite 175

Atlanta, Georgia



Call: +1(800) 241 4402