As Glenn explains, we have done some recent testing on CPVC sprinkler pipes (sleeved with CPVC), with an annulus of QuelStop HPE Sealant around the outside of the sleeve. Another example is the Quelfire QIF Insulated Fire Sleeve, installed in QuelStop Fire Batt around the CPVC sprinkler system.
To learn more, go to our standard firestopping installation detail download page or contact us.
