
YBS Insulation
YBS Cavity closure
Insulated Cavity Closers
Insulated Cavity Closers by YBS have Continuous Insulation Fill to meet Current Building Regulations and Reduce Heat Loss.
Cavity Closers reduce Cold Bridging and increase Thermal Insulation
Easy to Install Cavity Closers come with pre-cut grooves and full Installation Instructions.
Browse Rockwall RWA45 Insulation

YBS Cavity Closer Questions
Can I Joint the Cavity Closers?
You can, yes, with Vertical Jointing or Corner Jointing is recommended to reduce Waste.
Where do I find Help with Installation?
Download your YBS Insulated Cavity Closer Installation Guide here
Can the Cavity Closers be built into an Existing Window Frame?
Yes, they can. The Cavity Closer can be tacked to the Window Frame.
They can also be Built in Friction.
Are the Cavity Closers Easy to Cut?
Very Easy. The Cavity Closers come with Pre Cut Grooves.
Where can I check Certification for these Building Materials?
You can Download BDA Kiwa Certificate of Agre'ment here.