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Doors Dublin · Construction & Design Guide

Door Openings, Walls and Finished Floor Levels

Why wall thickness, floor buildup and finished opening sizes matter before a door or frame is ordered.

Door Openings, Walls and Finished Floor Levels — door colour and finish example from Doors Dublin

Door Openings, Walls and Finished Floor LevelsThis finish study supports door openings, walls and finished floor levels by focusing on surface, colour and material appearance rather than an unrelated door component.

Measure the finished condition where possible

Rough openings can change after plasterboard, plaster, tile, timber flooring, underlay or thresholds are installed. The door and frame need to suit the finished condition.

Key checks

  • Finished opening width and height
  • Wall thickness
  • Frame position in the wall
  • Floor finish on both sides
  • Required gap below the door
  • Threshold position for external doors
  • Skirting and architrave junctions

Avoid solving the wrong measurement

A small difference can affect whether a standard door can be used, whether trimming is practical or whether a custom size is the cleaner solution.

If the build is not finished

Send the current measurements plus details of the flooring and wall finish still to be added. We can help identify what should be confirmed before a final order.

Doors Dublin

For door supply, fitting, replacement, repair or project planning in Dublin, use the form below. Send what you know and leave anything uncertain as “Not sure”.