Steel BeamInstallers
Steel beam half boxed in pink fire-rated plasterboard

Fire protection for steel beams · Gainsborough

Fire protection for steel beams in Gainsborough

Fire protection for steel beams for homes in DN21, designed by a structural engineer.

  • Price fixed in writing once scope is agreed
  • Building control arranged
  • Temporary works and making good included

Free survey in Gainsborough

Tell us about the fire protection for steel beams job in Gainsborough.

Please enter your name.
Please enter a UK phone number.
Please enter a valid email.
Please enter a UK postcode.
Please tell us a little about the job.
  • Free survey visit
  • Engineer's calculations arranged
  • Building control handled
  • Fixed written price once scope is agreed
  • England, Wales, mainland Scotland & NI

What fire protection for steel beams involves in Gainsborough

Fire protection for steel beams in Gainsborough is planned around the house, not a standard kit. Gainsborough is around 14.4 miles from Lincoln, and we cover both. We visit, measure and check what the wall carries, then arrange calculations and building control approval before any steel is ordered.

We fit fire protection alongside new steelwork, and as a standalone job where steel was installed without it or building control has asked for more. That covers boxing with fire-rated plasterboard, intumescent coatings for steel left on show, and the records building control needs to see before signing the work off.

Worth knowing before you start

  • The fire resistance needed depends on the building and where the steel sits. In a typical two-storey house, elements of structure commonly need 30 minutes, but taller homes, flats and commercial premises can need more. The engineer and building control confirm the figure.
  • Keep a record of what was fitted: the board type and number of layers, or the coating product, thickness readings and number of coats. Building control may ask for it, and it helps answer queries when the house is sold.
  • A common fault is applying intumescent paint over the wrong primer, or over one of unknown type. The products must be compatible, so where steel was primed long ago the primer is identified or the surface is cleaned back before coating.
  • Fire-rated plasterboard is denser than standard board and contains additives that slow the passage of heat. It usually has a pink or red face, and the number of layers and fixing pattern come from the system specification rather than being decided on site.
  • Building control treats fire protection as part of the structural approval, not an optional extra. If unprotected steel is found at inspection, the completion certificate is normally held back until the protection is in place and has been checked.

Four stages, one team

  1. Free visit

    A short visit to Gainsborough to see the job, agree what you want and check the bearings, floors and services that affect the design.

  2. Calculations

    The engineer's calculations and a simple drawing are prepared for your opening and shared with you before anything is ordered.

  3. Building control

    We submit a building notice or full plans application to the local council's building control team, so approval is in place before the wall is touched.

  4. Steel in, made good

    On site we prop, open up, fit and pack the steel, then fire protect, box in and plaster once the inspection is done.

What does fire protection for steel beams cost in Gainsborough?

As a guide, budget £150–£590 per beam including VAT for fire protection to a steel beam in Gainsborough, based on published UK cost guides adjusted for prices in the East Midlands (-2%).

JobTypical guide rangeWhat it usually covers
Fire protection to a steel beam£150–£590 per beamFire-rated board boxing or an intumescent coating system as specified
Steel column or post£490–£1,470 per columnColumn supplied and fitted with base and cap plates on a pad foundation
Building control fees£240–£640Building notice or full plans fee and inspections; varies by council or approver
RSJ supply and fit (single beam)£780–£2,450 per beamBeam supplied, delivered, lifted and packed on padstones, with propping (calculations and approval priced separately)

Figures include our approximate regional adjustment for prices in the East Midlands (-2%) and are rounded. How these figures are worked out.

Building control and neighbours in Gainsborough

In England, taking out a load-bearing wall or putting in a beam is building work under the Building Regulations 2010. It needs approval from building control, either the local council's building control team or a registered building control approver, through a full plans application or a building notice. Part A covers the structure and Part B covers fire safety, which is why steel in homes is usually fire protected.

If the beam bears into a wall you share with a neighbour, the Party Wall etc. Act 1996 applies, and a party structure notice must be served at least two months before that work starts. We arrange this through a party wall surveyor.

Building rules in England

Fire protection for steel beams near Gainsborough

Local questions answered

What happens at the survey visit in Gainsborough?

We look at the wall, the floor and ceiling either side and what sits above, measure the opening you want, and note cables, pipes and access for the steel. It usually takes under an hour and there is no charge.

Who approves fire protection for steel beams in Gainsborough?

Structural work in Gainsborough needs a building notice or full plans application to the local council's building control team or a registered building control approver. We prepare and submit it with the structural engineer's calculations and arrange the inspections, so the completion paperwork follows the job.

What is intumescent paint for steel beams?

Intumescent paint is a fire-protective coating that swells when heated, forming a thick insulating layer that slows the steel heating up. It lets you leave a beam on show while still meeting fire requirements. It must be applied at a specified thickness over a compatible primer, so it goes on to a written specification rather than like ordinary paint.

How thick does intumescent paint need to be on a steel beam?

There is no single figure. The thickness depends on the steel section, how many sides are exposed and the fire period required, and the coating manufacturer's data sets the dry film thickness for each case. The applied thickness is measured with a gauge once the coats have dried and recorded for building control.

Is boxing in a steel beam cheaper than intumescent paint?

Usually, yes. Boxing with fire-rated plasterboard tends to cost less for steel that will be hidden. Intumescent coatings generally cost more because of the product and the number of coats needed, but they let the beam stay visible. Where either method would work, both can be priced on the itemised quote so you can compare.

Do you cover Gainsborough for fire protection for steel beams?

Yes. We carry out fire protection for steel beams in Gainsborough and the DN21 postcode districts. Book a free survey visit and we will check the wall, arrange the engineer's calculations and send an itemised written quote.

Planning to take a wall out?

Book a free survey visit. You get an itemised written quote covering calculations, building control, steel and making good.