TN403 Recessed Door Straightener – Adjustable Door Alignment System

The TN403 Recessed Door Straightener is a professional door alignment solution designed to correct and prevent warping in hollow wood panel doors. Suitable for doors with a minimum thickness of 18–20mm, the TN403 provides precise adjustment and long-term stability while remaining discreetly concealed within the door structure.

Engineered for furniture manufacturers, cabinet makers, and joinery professionals, the TN403 helps eliminate common door issues caused by humidity changes, material movement, and everyday use. Its recessed installation allows the straightener to be hidden from view while effectively maintaining door alignment and structural integrity.

Featuring a cuttable design with a maximum cut length of 420mm, the TN403 can be adapted to suit a variety of door sizes and applications. Available in both single and double adjustment configurations, it offers flexibility and precision for achieving perfectly aligned doors in residential and commercial projects.

Ideal for wardrobes, cabinetry, furniture doors, and interior joinery, the TN403 Door Straightener improves functionality, reduces warping, and extends the lifespan of doors and panels.

Key Features

• Recessed door straightener for concealed installation
• Suitable for hollow wood panel doors
• Designed for doors with a minimum thickness of 18–20mm
• Available in single and double adjustment versions
• Cuttable design with up to 420mm maximum cut length
• Helps correct and prevent door warping and bowing
• Improves door alignment and smooth operation
• Discreet installation without affecting door appearance
• Ideal for wardrobes, cabinetry, furniture, and interior doors
• Durable construction for long-term performance

Technical Specifications

• Product: TN403 Recessed Door Straightener
• Installation Type: Recessed
• Adjustment Options: Single or Double Adjustment
• Maximum Cut Length: 420mm
• Minimum Door Thickness: 18–20mm
• Centre Distance: Minimum 1200mm / Maximum 2800mm
• Recommended Application: Hollow wood panels, wardrobes, cabinetry, furniture doors, and interior joinery

Applications

The TN403 Door Straightener is ideal for cabinet makers, furniture manufacturers, and interior fit-out professionals seeking a reliable solution for warped or misaligned doors. Its concealed design and adjustable functionality make it perfect for premium furniture and cabinetry projects where both performance and aesthetics are essential.

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