Rigid Bends & Support Frames 0 Reviews Rigid bends can be used in place of flexible ducting to maintain airflow and prevent duct collapse, particularly at the top of the shaft. These can be attached to support frames to bolt the bend to either the floor (at the top of a shaft) or to segment linings. SUBMIT ENQUIRY Submit SEE MORE ventilation Accessories Features Sizes Reviews (0) Adaptable to suit requirements (floor mount or shaft mount) 500mm to 800mm Add New CommentReply CommentNameEmailComments HtmlPreview b i u quote Notify me when new comments are added Enter the code shown above in the box below Save Comment