The SureSill 6-9/16 in. Extension Coupling is for joining or extending your existing sloped sill pans, allowing you to easily accommodate your design needs without losing the ability to protect against moisture intrusion.
- For use with a SureSill 6-9/16 in. sloped sill pan
- Allows you to join and extend sloped sill pans
- Made of PVC for durable flexibility
- White finish for effortless coordination