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.
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.Overall Size: 315mm x 92mm
Opening Size: 249mm x 41mm
Fixing Centres: 283mm

• Our black finish is a popular choice in traditional settings, it has a subtle sheen and offers a bold contrast on both stained and painted timber alike. It is baked in a high-temperature oven giving it durable corrosion resistant properties.
• Type: Letterbox
• Range: Traditional