For composite and upvc doors we would recommend using our door letterbox which is supplied as a full kit and contains a tunnel and brushes to reduce drafts and insulate the door. The sleeve inside the letterbox also protects the door from moisture and masks the aperture cutting.
Overall Size: 315mm x 92mm
Opening Size: 249mm x 41mm
Fixing Centres: 283mm
Designed to match our other black front door furniture to create a feature entrance door. Maximum door thickness: 72mm.
Minimum door thickness: 42mm. Supplied with matching SS bolt through fixings.
Finish: Black