The Mastic Doctor team standing beside their branded vans outside an office building
West Sussex · England

Expansion Joint Sealing in Rackham

Sealant work in Rackham for main contractors, managing agents and facilities managers: expansion and movement joint sealing in walls, decks and floors, with a fixed quote first.

  • Rain penetration at brick or block movement joints
  • Expansion joints filled with dirt and stones
  • Previous reseals laid over old sealant
1
Send details
Tell us about the site, with photos if you have them.
2
Get a quote
A fixed price, with what’s included set out clearly.
3
We seal
The right sealant, to the right depth, neatly finished.
4
Guaranteed
Signed off, with 12 months’ guarantee.
London, the South East & Scotland
CHAS & Constructionline
£5m public liability

Need expansion joint sealing in Rackham?

Photos, a specification or a quick description of the joints is enough to start a fixed quote.

Expansion joint sealing around Rackham: what changes locally

At about 44 miles from central London, Rackham is within reach of the capital. The South East has large numbers of industrial estates and warehouses along the motorway corridors. Rainfall across the South East, Rackham included, is lower than in many parts of the UK. External joints still wait for dry conditions, and gritting in cold spells finds its way into open joints.

Large sites such as Arundel and District Hospital (to the south-west of Rackham) have car parks, service roads and long elevations with movement joints in brick and panels.

Rackham is about 7 miles north of Littlehampton, in West Sussex. Rackham sits inside our coverage, and jobs here get the same fixed quote and 12-month guarantee as anywhere else. Across West Sussex, 373 places are covered, Rackham among them. We also cover Brighton, some 17 miles away.

If you need expansion joint sealing in RH20, the process matches everywhere else we work: details, then a fixed price, then sealing and a 12-month guarantee. Just outside Rackham, we also work in Cross Gate (1 mile west), Amberley (1 mile west), Coldwaltham (2 miles north-west), Bury (2 miles west) and Hardham (3 miles north). Bigger towns within reach include Horsham (13 miles north-east), Worthing (8 miles south-east), Bognor Regis (12 miles south-west), Chichester (13 miles south-west), Littlehampton (7 miles south) and Shoreham-by-Sea (12 miles south-east).

Local landmarks in Rackham

We work on buildings around Parham Park and the streets around them. The nearest railway station is Amberley station, about 1.9 miles south-west. Nearby you will also find Arundel and District Hospital (4.8 miles south-west) and Amberley Museum (1.8 miles south-west). Open spaces near Rackham include Bignor Hill and Amberley Wildbrooks RSPB Reserve.

Map of Rackham © OpenStreetMap contributors

About our expansion joint sealing in Rackham

Joints in car park decks and ramps are among the hardest-working in any building. Wheel loads, grit and de-icing salts attack the seal and the concrete either side; water dripping through to the deck below is often the first sign. A sealant suited to traffic and the expected movement goes in, phasing bays so the car park can stay in use. Most enquiries involve weathered movement joint sealant that no longer flexes and arrises breaking up along floor joints, across cladding panel joints, brickwork movement joints and blockwork control joints. A single leaking joint is often how a building in Rackham first comes to us: we check the joints around it and give you an honest view of what needs doing now and what can wait.

Jobs around smaller places like Rackham are planned so the whole job is done in one visit. Note joint widths and the traffic that uses them, and we will take it from there.

What our 12-month guarantee covers is the way we did the job: the preparation, the sealing and the tooling. Damage, later alterations by others and movement beyond what the joint was designed for sit outside it.

Place
Rackham (RH20)
Region
West Sussex
Cover
12 months on every job
Price
Fixed quote, scope in writing
Phone
01277 525 020
Page updated
3 November 2026
Mastic Doctor team members lined up next to their branded vans outside an office building

Doing it in-house

Using site staff can make sense for a small touch-up, but anything bigger is another matter: a specialist brings efficiency, a consistent finish and a 12-month guarantee.

General builders and handymen seal joints, but it isn’t their main trade. A specialist prepares properly, controls joint depth and picks a product with the right movement class.

What we can’t put right

Honesty saves time and money. New sealant won’t cure:

  • Changing the joint layout or spacing of a structure
  • Proprietary pre-formed expansion joint systems
  • Concrete or masonry repairs along the arrises

If in doubt, call 01277 525 020 or email a schedule or drawings and we’ll say what we think.

What we seal

  • Precast concrete panel joints
  • Brickwork movement joints
  • Blockwork control joints
  • Cladding panel joints
  • Podiums and floor movement joints
  • Car park decks and ramps

Questions we are asked in Rackham

Is Rackham too small for you to travel to?

No. Places such as Rackham are covered as much as the big towns. We work across Greater London and the South East. Good photos up front let us bring everything on the first visit.

Can you take on a job at a hospital such as Arundel and District Hospital?

Yes. Healthcare sites are among the places we work. We follow the site’s permits, sign-in and infection-control procedures in every area.

Are you CHAS accredited?

Yes. CHAS accredited, Constructionline member, and our applicators hold CSCS cards.

What about RAMS and site documents?

Let us know which documents the site needs, such as RAMS, an insurance certificate or CSCS details, and we will confirm them with the quote.

When can you be on site?

We are in the office from 8am until 5pm, Monday to Friday. Tell us your site hours and access windows and the work will be fitted around them.

Can you work on car park ramps and decks?

Yes. Deck and ramp joints are resealed with a trafficable sealant chosen for the movement.

Does weather matter for sealant work?

Outside, yes. Sealant needs a dry joint and a temperature within the product’s range, so damp, frosty or very cold days can stop external work. Internal work is rarely affected.

Common problems we fix in Rackham

When a bead pulls away from one face, it has lost adhesion. Dusty, damp or contaminated faces, a missing primer and three-sided adhesion are the usual causes, and it’s common on joints sealed in a hurry.

Any of the following is a good reason to get the joints checked over:

  • Spalled or broken joint edges in floors and decks
  • Water getting into the wall through a failed joint
  • Brittle, chalky sealant on external joints
  • Sealant pulling off the joint face

On industrial estates such as Quell Farm Industrial Estate, which lies north-west of Rackham, saw-cut floor joints, loading bay slabs and yard joints take the heaviest traffic.

Comparing quotes

  • What level of public liability insurance do they hold?
  • How they’ll work around occupants
  • How the joint faces will be prepared and primed
  • The terms of the workmanship guarantee

Questions to ask before you appoint anyone

From enquiry to sign-off

Site rules come first: sign-in, induction and whatever permit system the building uses. Once we’re cleared to begin, the joints are worked through in the order agreed with your site contact, and each area is checked before we leave it. Jobs in and around smaller places like Rackham are typically planned as a single visit, so photos and measurements up front really help. That way the right products come on the day.

  1. The first job is to check each joint: how wide it is, how it moves and why the old seal let go.
  2. A fixed quote follows, naming the sealant and its movement class.
  3. We strip out the old seal and prepare the faces, and we tell you if any edges need repairing first.
  4. Closed-cell backing rod is set to depth, or bond-breaker tape in shallow joints.
  5. Where the maker calls for primer, it’s applied first, then the bead goes in and is tooled to a concave finish.
  6. We check every joint before sign-off, and the work carries our 12-month guarantee.

What we need from you

  • Point out parking and an unloading spot
  • Share the asbestos register for older buildings
  • Confirm the product named in the specification

Ask for a quote

For a fixed quote, speak to us on 01277 525 020 or email drawings and photos, telling us the site location and the nature of the job. Our quote form is another easy route.

Get a price

Advice

Leave it or put it right?

A like-for-like reseal of a joint that keeps splitting rarely lasts. If the joint is too narrow or the product wrong for the movement, it needs a different approach. Around Rackham, it’s better to renew all the failing joints at once. Send photographs of each area and we will quote for the lot.

Small jobs and large programmes are priced from the same things: scope, access, product and programme. Call for a quote, and you’ll have a fixed figure to work with.

Why appoint us

  • Matching to RAL references, product permitting
  • Public liability insurance in place
  • One number for every site we cover
  • Work to your specification and the manufacturer’s guidance

Read how commercial sealant jobs are priced or how we’re accredited.

What sets the cost

What shapes the price:

  • Whether old sealant has to be cut out first
  • How accessible the joints are
  • The total length or number of joints
  • The product specified

What a job costs comes down to how many linear metres there are, how much old material needs removing and the access. Call for a quote when you’re ready.

What to include in your enquiry

It doesn’t need to be a full survey. These details are enough to start:

  • How the joints are reached, and at what height
  • Whether the building will be occupied during the work
  • When you need the work done
  • Clear photos of the problem areas

Let us know the site, the scope and your timescale, and a fixed quote will follow. The easiest way is to ring 01277 525 020 or send photos by email.

Accreditations

Trusted. Accredited. Insured.