ALFA woven pile weatherstripping and door brush are used to help prevention of air infiltration, water penetration and reduce the passage of dust, light, sound and smoke through the window or door. Low co - efficient of friction makes woven pile weatherstripping particularly suitable for sliding windows and doors but also excellent for compression applications in top-hung, side-hung, hopper, other casement and tilt and turn windows and doors when fitted into suitable grooves. It is suitable for Aluminium, PVC-u and composite windows and doors.