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Shawford Group
New service

Off-site intumescent
spray coatings.

Structural steel protection, planned around your project. Bring the main coating operation off site and coordinate the finish, delivery and site interfaces from the outset.

Controlled application. Coordinated delivery.

Cross-section of a steel I-beam with intumescent coating, and a magnified detail of the coating layers at the flange edgeDETAIL A2341
  1. 1Structural steel
  2. 2Primer
  3. 3Intumescent basecoat
  4. 4Top coat, where specified

Diagram not to scale. The build-up depends on the agreed specification.

What it is

Fire protection
for the steel frame.

Intumescent coating is a thin-film fire protection for structural steel, spray applied to an agreed build-up.

In a fire, the coating expands into a thick, insulating char. The char slows the rise in steel temperature and helps the frame keep its load-bearing capacity for the fire resistance period the design requires.

Off site, the main coating goes on before the steel reaches site. On site, what remains is the agreed touch-ups after erection.

DAY TO DAY
A thin coat. The coating sits on the steel like a paint finish.
IN A FIRE
An insulating char. Heat makes the coating expand. The char slows the rise in steel temperature.
Why off site

Less site disruption.
Better coordination.

Coordinate the coating operation with the wider steelwork programme.

Close-up of an intumescent coating on the edge of a steel beam flange
  • 01

    Controlled conditions

    Manage the application environment to suit the selected coating system, with less reliance on site weather.

  • 02

    Programme support

    Coordinate coating with fabrication, curing and phased steelwork deliveries.

  • 03

    Cleaner site operations

    Reduce on-site overspray and interfaces with other trades by moving the main spraying off site.

Early coordination helps reduce avoidable disruption and rework.

How it works

Aligned with your
project requirements.

A coordinated process, from the first drawings to the final touch-up.

  1. 01

    Define the scope

    Review drawings, steel schedules, fire resistance requirements and the proposed specification.

  2. 02

    Confirm the system

    Agree the coating build-up, application requirements and project responsibilities.

  3. 03

    Coat off site

    Apply the coating to the agreed requirements, away from site weather and other trades.

  4. 04

    Deliver to programme

    Coordinate curing, handling and delivery to suit the steel programme. Review connections and any damage.

  5. 05

    Complete on site

    Complete the agreed site touch-ups and final checks once the steel is erected.

Early engagement

Let's plan your
next project.

Send the project information early so the coating requirements, allowances and interfaces can be reviewed together.

Send your steel details
  1. 01

    Steelwork details

    Drawings and member schedules.

  2. 02

    Performance requirements

    Fire resistance and coating specification.

  3. 03

    Exposure & finish

    Environmental conditions and finish requirements.

  4. 04

    Programme & interfaces

    Delivery phases and site touch-up scope.

Start your project

Talk to us.
We'll do the rest.

What can we help with
Your details
The project
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Coating systems, performance and inspection requirements are project-specific and subject to the agreed specification and scope.