Technical glossary

The words behind a specified coating system.

Concise definitions for practical conversations about preparation, application and structural steel fire protection.

Specification language

Clear terms for clearer scopes.

Every definition links to the practical service or technical guidance where that term affects project decisions.

A reactive coating that expands under elevated temperature to form an insulating char.

Built-in measures intended to contribute to fire resistance without an operator activating them.

A high-pressure application method commonly used to coat structural steel efficiently on site.

The approved combination of substrate preparation, primer, intumescent layer and any required topcoat.

A visual standard for very thorough abrasive blast cleaning of steel.

A relationship between exposed steel perimeter and cross-sectional area used in structural fire-protection assessment.

The design temperature assigned to a steel member for the fire condition.

The coating layer applied to prepared steel to provide corrosion protection and a compatible base.

A compatible finish coat used where the approved system requires environmental or decorative protection.

The period stated by the project design for the relevant element or building condition.