Steel BeamInstallers
Two installers seen from behind lifting a steel beam onto a padstone

RSJ installation · Blackpool

RSJ installation in Blackpool

RSJ installation for homes in FY1, FY2, FY3, designed by a structural engineer.

  • Free survey visit in Blackpool
  • Engineer's calculations arranged
  • Building control handled for you

Free survey in Blackpool

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  • Free survey visit
  • Engineer's calculations arranged
  • Building control handled
  • Fixed written price once scope is agreed
  • England, Wales, mainland Scotland & NI

RSJ installation in Blackpool: how it works

Planning RSJ installation in Blackpool? Our team covers FY1, FY2, FY3 and FY4 and the streets around them. Blackpool is around 14.6 miles from Preston, and we cover both. You get one written quote for the calculations, approvals, propping, steel and making good.

People still call almost any steel beam in a house an RSJ, even though the sections fitted today are usually universal beams with parallel flanges. Whatever the name, the job is the same: a length of structural steel, made to an engineer's specification, carrying floors, walls or roof over a space where support used to be.

Key points for your project

  • If you already hold calculations from an architect or engineer, we install to those. Where something on site differs from the drawing, such as a weaker wall or a different joist direction, the engineer is asked to confirm before work carries on.
  • An RSJ inside a home commonly needs 30-minute fire resistance where it supports elements of structure. Fire-rated plasterboard boxing is the usual method, with intumescent paint used when the beam is to remain visible.
  • Padstones spread the concentrated load from each beam end into the masonry below. They may be concrete, engineering brick or a steel plate, depending on the engineer's design and the strength of the wall beneath.
  • Heavy steels are raised with suitable lifting equipment rather than by hand alone. Manual handling is planned so nobody carries more than is safe, and the lift is coordinated so the beam goes up level onto both bearings together.
  • Where a long beam cannot be carried into a property in one piece, the engineer can design a bolted splice so it arrives in two or more lengths. The splice position and bolts are part of the calculations and must be installed exactly as drawn.

What happens, step by step

  1. Survey in Blackpool

    We visit, look at the wall and what sits above it, measure the opening and note services, access and how the steel can be brought in.

  2. Engineer's design

    A structural engineer sizes the beam, padstones and any posts, and sets out the temporary support needed while the wall is out.

  3. Building control

    We submit a building notice or full plans application to Blackpool Council, so approval is in place before the wall is touched.

  4. Install and sign-off

    Props go in, the opening is formed, the steel is set and packed, building control inspects it, and we make good.

What does RSJ installation cost in Blackpool?

As a guide, budget £770–£2,400 per beam including VAT for rSJ supply and fit (single beam) in Blackpool, based on published UK cost guides adjusted for prices in the North West (-4%).

JobTypical guide rangeWhat it usually covers
RSJ supply and fit (single beam)£770–£2,400 per beamBeam supplied, delivered, lifted and packed on padstones, with propping (calculations and approval priced separately)
Fire protection to a steel beam£140–£580 per beamFire-rated board boxing or an intumescent coating system as specified
Steel goalpost frame£1,900–£5,750Two posts and a beam bolted as a frame, pad foundations, base plates and fitting
Structural calculations for a beam£240–£720Site measure or photos, beam and padstone design and calculations for building control

Figures include our approximate regional adjustment for prices in the North West (-4%) and are rounded. How these figures are worked out.

Building rules for Blackpool

For Blackpool, building control is provided by Blackpool Council, or by a registered building control approver if preferred. We send them the engineer's calculations with a building notice or full plans application and book the inspections. Work done without approval can cause problems at sale and is far dearer to put right later.

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

RSJ installation near Blackpool

Local questions answered

How soon can RSJ installation start in Blackpool?

Start dates depend on the engineer's calculations, the building control approval and, where needed, party wall notice periods. We give you a realistic timetable after the survey and keep you updated as each approval comes through.

Do I need a party wall agreement for RSJ installation in Blackpool?

Yes, if the beam bears into a shared wall: the Party Wall etc. Act 1996 applies in England and Wales, and a party structure notice must be served at least two months before that work starts. We arrange it through a party wall surveyor.

What does RSJ stand for?

RSJ stands for rolled steel joist. It was the name for a hot-rolled I-shaped steel section with tapered flanges, and it is still used loosely for any steel beam in a house. Most steels fitted in homes today are universal beams, which do the same job with parallel flanges.

How is an RSJ installed?

The structure above is propped, the wall or opening is prepared, and padstones are bedded at each end. The beam is lifted onto them, bolted where needed and packed with shims and dry-pack. Props come out once it is carrying, building control inspects it, and the steel is then fire protected and finished.

Can an RSJ be delivered in sections?

Yes, where access is tight. The engineer can design bolted splice joints so a long beam arrives in two or more pieces and is joined in place. The splice has to be part of the calculations from the start, because it changes how the beam carries load at that point.

Do you also work near Blackpool?

Yes. We also cover nearby towns including Thornton-Cleveleys, Lytham St Annes, Fleetwood and Southport.

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.