MCN-034 5-1/4″Jamb

The MCN-034 Jamb is a 5-1/4" door jamb profile designed to cover the side depth of door and window openings, providing complete coverage from the door leaf edge to the outer wall surface. It offers a stable mounting base for the door leaf while creating a clean finished edge for the opening. Suitable for interior and exterior door frame systems in residential and commercial buildings.

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Dimensions

Overall Depth / Jamb Width: 5.25″ (133.35 mm)
Depth to Door / Backbend: 1.25″ (31.75 mm)
Main Body Thickness: 0.75″ (19.05 mm)
Effective Installation Depth: 3.124″ (79.35 mm)

Note: Key profile dimensions shown above. The 5-1/4″ overall depth is suitable for standard and thickened wall structures.

Key Features

5-1/4″ depth – Moderate jamb width accommodates various wall thicknesses
Four precision dimensions – Complete installation parameters for easy selection and on-site fitting
Sturdy support – Provides a reliable foundation for door leaf installation
Strong decorative presence – Covers the full depth from frame to wall surface for a unified look
Easy installation – Can be nailed, adhered, or screw-mounted
Paintable surface – Can be painted together with door leaf and wall for color consistency

Applications

Depth covering for interior and exterior door frames
Door opening finishing for standard and thickened walls
Replacement of old jambs in renovation projects
Door frame systems for commercial buildings and residential projects
Building entrances requiring complete jamb depth coverage

Installation Tips

Measure the actual wall thickness before installation to confirm the 5-1/4″ width is suitable
Insert the jamb into the opening and use a level to ensure plumb and square
Secure with appropriately sized screws or nails into the wall structural layer
Fill gaps between jamb and wall with expandable foam as needed
Paint or veneer the surface as required to match interior or exterior finishes

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