45 Degree Wall Sleeve Adjustable Masonry
Must be used where a 135 degree tee is used to pass the chimney through an external wall and thus providing a continuous, uninterrupted run through the wall. Provides 50mm clearance as standard. Adjustable for a wall thickness of 200mm - 380mm.
Important: Once extended, the joint must be secured with self-tapping screws and covered around the circumference with a heat resistant foil duct tape.
Manufactured by SFL in th UK
SFlue is a twin wall flue system designed for use on woodburning and multifuel stoves
Operating temperatures up to 450 degrees C
High performance mineral wool insulation 25mm
316L (1.4404 : X2CrNiMo 17-12-2) stainless steel liner
304 (1.4301 : X5CrNiMo 18-10-2) stainless steel outer case
Twist lock jointing system secured using a locking band (included)
50mm clearance required to combustible materials
Approvals:- EN1856 Part 1, CE, HETAS
SFL Sflue Twin Wall Flue System Brochure
SFL Sflue Twin Wall Flue System Questions & Answers