Molding Studio / Installation resources

Measuring Layout

Installation guidePart 3 of 72-min readUpdated Aug 27, 2026

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Good layout prevents “surprises” at corners and helps you minimize visible seams.


Measure your runs

  1. Measure each wall/run where moulding will be installed.
  2. Add the lengths to get total linear feet.
  3. Add extra for waste:
    • ~10% for typical installs
    • 15%+ for many corners, returns, complex layouts, or pattern matching

If you’re ordering for a large project, request a quote and include estimated linear feet:
Request a quote


Plan corners and seams

Before cutting, decide where seams will land:

  • Try to place seams in less noticeable locations.
  • When possible, avoid stacking multiple seams near the same visual focal point.
  • For long straight runs, consider using angled/scarf joints (instead of straight butt joints) to help seams disappear after finishing.

Mark reference lines

Use a level/laser and chalk line to mark:

  • Run height / top and bottom edges
  • Reveals and offsets
  • Corner points
  • Joint locations

Dry-fit everything

Before applying adhesive:

  • Place pieces in position and confirm fit.
  • Check corners for tightness and alignment.
  • Verify straightness across long runs.
  • Label pieces (A, B, C…) so you can install in the same order you dry-fit.

Dry-fitting saves time and prevents rushed fixes while adhesive is curing.

Continue your project

Products for this project

Estimate your quantity

Estimate with Interior Coves, a profile with a listed 96″ piece length. Confirm your cut list before ordering.

Estimate how many pieces you need

Corners, profile matching and layout can change what you need, so we'll double-check on your quote.