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Glass-Coating Mock-Ups: Include the Final Viewing Distance

A small sample viewed at arm's length may not answer how a coated glass installation will look from its normal viewing position. Include the intended distance and angle when agreeing the appearance assessment for a project.

Updated · NANOLAB Knowledge

The key distinction

Define the customer's real use of the glazing: a close-view display, a room partition or a façade seen from outside. These situations emphasize different observations. A close inspection remains useful for workmanship, but it should not be confused with the complete appearance decision. Record both the detailed check and the normal-use view.

Practical checks

  1. Agree the representative sample, viewing positions and lighting with the project owner before the trial.
  2. Inspect the approved treated area at close range for the defined workmanship questions.
  3. Review the same area from the normal viewing distance and retain photographs that show the surrounding context.

Example

Illustrative example: a sample looks acceptable on a workbench but is later installed in a brightly lit display where reflections are more noticeable. A mock-up assessed in the intended setting could have exposed that appearance concern before a larger rollout.

Scope and limits

Do not use viewing distance to hide defects or to invent an acceptance standard after work is complete. The agreed assessment should be documented in advance. Where architectural or optical specifications apply, follow them and obtain the appropriate specialist review.

Related guidance

Discuss the intended surface with NANOLAB. Use the current product documentation for formulation-specific instructions.