Let Carlisle simplify your next EPDM installation with their Sure-Seal EPDM Pressure-Sensitive (PS) T-Joint Covers. The 6" PS T-Joint Cover combines 40-mil (1 mm), uncured Elastoform Flashing® laminated to 30-mil (0.75 mm), fully cured PS adhesive providing 70 mils (1.75 mm) of total thickness. The 12" T-Joint Cover combines 60-mil (1.5 mm), uncured flashing laminated to 30-mil (0.75 mm), fully cured PS adhesive providing 90 mils (2.25 mm) of total thickness