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

Expansion Joint Sealing in Westhampnett

Our CSCS-carded applicators take on expansion and movement joint sealing in walls, decks and floors in Westhampnett and the surrounding area. Send photographs or drawings for a fixed quote.

  • Arrises breaking up along floor joints
  • Movement joints with split or torn sealant
  • Car park joints leaking onto vehicles below
1
Send details
Send the specification, photos or a marked-up plan.
2
Get a quote
One fixed quote covering the agreed scope.
3
We seal
CSCS-carded applicators, the right product for each joint.
4
Guaranteed
Backed by a 12-month workmanship guarantee.
London, the South East & Scotland
CHAS & Constructionline
£5m PL insurance

Expansion joint sealing for Westhampnett sites

Tell us what needs sealing and where, with photos or drawings if you have them, and we’ll price it.

How we handle expansion joint sealing in Westhampnett

If you need expansion joint sealing in Westhampnett, start with photographs and joint lengths. Send them through our quote form, and we’ll arrange a site visit if needed, then send a fixed quote that names the sealant. You can also call 01277 525 020 or email the details over to talk the joints through. Site teams most often ask us about arrises breaking up along floor joints and expansion joints split through the centre of the bead, across brickwork movement joints, podiums and floor movement joints and cladding panel joints. One point of contact handles commercial sealant work in Westhampnett from the first photographs to the final walk-round, whether it’s one building or several.

Around smaller places such as Westhampnett, floor joints are often in barns and farm buildings turned into workshops, stores and offices. Whether it’s a farm store turned workshop or a storage unit, the joints need a product that suits the traffic.

What our 12-month guarantee covers is the way we did the job: preparation, application and finish. It doesn’t extend to damage, other trades’ later work or movement the joint was never designed to take.

Mastic Doctor team members lined up next to their branded vans outside an office building
Where
Westhampnett (PO18)
Region
West Sussex
Guarantee
12 months on every job
Price
Fixed quote, scope in writing
Call
01277 525 020
Page updated
3 November 2026

Building owners, agents and FMs in Westhampnett

For main contractors, we work as the sealant subcontractor on new-build and refurbishment projects. We work to your programme, your specification and your site rules.

We work for building owners and managing agents on sealant work across single buildings or whole portfolios. Several sites can go on one quote, which keeps the paperwork simple.

Diagnose, treat, sign off

Before any cutting starts, the area is protected: tape along each joint edge and covers over finishes, stock and equipment close by. On site, the work normally takes a short visit for a handful of joints, or several days or more for a car park deck or long runs of facade joints, and we clear our waste as we work. For a building around Westhampnett, tell us how to find it and who will meet us. Add it to your enquiry and we will build it into the plan.

  1. We assess the joints on site or from photos, noting widths and how each has failed.
  2. A fixed quote names the sealant we propose and its movement class.
  3. Where areas have to stay open, we agree a phased sequence before starting.
  4. We strip the old sealant or filler and prepare each face until it’s sound and dry.
  5. Depth is controlled with backing, the faces are primed where the maker calls for it, then the bead is laid and tooled.
  6. We check each joint with you, confirm the cure time and sign off under our 12-month guarantee.

Getting the site ready

  • Arrange parking or a loading space
  • Clear stock, furniture or equipment away from the joints
  • Send any specification or drawings in advance

Getting a fixed quote

Tell us about the building, the joints and when you need the work done, and a fixed quote will follow. To get it moving, phone 01277 525 020 or send details through our quote form.

Get a quick quote

Read more

Different surfaces, different methods

Joints between different materials

Some mixed-material joints suit a hybrid sealant. We pick the product for the materials and the movement.

Brickwork and blockwork joints

Mortar snots and debris in the joint stop it working. Everything is raked out before backing and sealant go in and flag any joint that seems undersized.

Maintenance after handover

Every sealant joint needs some looking after, and their life depends on movement, exposure, cleaning and use. We suggest:

  • Sweep decks, ramps and floors so grit doesn’t collect in the joints
  • Plan racking layouts so feet don’t land on a joint
  • Brief car park operatives to protect joint lines during winter clearance
  • Note which joints were done, when, and with what

Floor joints on main traffic routes need watching more closely than the rest. Avoid standing heavy loads or racking legs on the joints, and report any chipped edges early.

Once debris packs a failed joint, the structure has nowhere to expand. The edges then take the pressure and start to spall. Keeping the seal sound avoids all of that.

Common problems we fix in Westhampnett

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.

Site and facilities staff are often the first to spot these:

  • Weathered movement joint sealant that no longer flexes
  • Torn sealant in brick or block movement joints
  • Chipped joint edges on forklift routes
  • Expansion joints filled with dirt and stones

Large sites such as St Richard's Hospital, 0.8 miles to the south-west of Westhampnett, have car parks, service roads and long elevations with movement joints in brick and panels.

Comparing quotes

  • How they’ll work around occupants
  • How long is the guarantee, and what does it include?
  • Whether primer will be used where the manufacturer specifies it
  • How the existing material will be dealt with

Our contractor checklist

When it isn’t the sealant

Not every problem is a sealant problem, and we are upfront when that’s the case. These need a different solution:

  • Waterproofing layers buried beneath the sealant
  • Movement on a scale no sealant is meant to absorb
  • Changing the joint layout or spacing of a structure

If in doubt, call 01277 525 020 or email us and we will say what we think before you book.

Where we work in Westhampnett

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

Westhampnett: questions and answers

Would you work within a site like St Richard's Hospital?

Yes, provided the work is planned with the site’s estates team. Work is phased so departments keep running, under the site’s own rules.

Is Westhampnett too small for you to travel to?

No. Small places get the same service as large ones. We cover Greater London and the counties of the South East. Good photographs up front let us bring everything on the first visit.

Do you take on multi-site work?

Yes. Several buildings can share a single quote, with one point of contact.

Will you come and look before quoting?

It depends on the job. Simple work can often be priced from photographs, and bigger or more complex jobs normally get a visit.

What hours do you work?

Mention the site’s hours and access windows in your enquiry, and we’ll schedule the work to suit. Our office runs Monday to Friday, 8am until 5pm.

Why has the sealant in our expansion joints split?

The way it has failed usually tells us why: a split through the middle points to over-stretching, while peeling from one face points to preparation or primer. Broken edges are a third possibility.

Can staff carry on working while you’re here?

In the majority of cases, yes. Phased work can be planned so areas stay in use.

Slabs, ramps and loading bays in Westhampnett

The South East is one of the drier parts of the UK. External slab and deck joints still need a dry, clean joint to seal, and gritting in cold spells finds its way into open joints. The 3 miles around Westhampnett take in at least three named trading estates, business parks or retail parks. Their warehouses, yards and car parks are exactly where joints take the most punishment.

Campuses like University of Chichester, 1 mile west of Westhampnett, mix old and new buildings, with movement joints wherever they meet. Parks like Glenmore Business Park (0.5 miles south of Westhampnett) combine paved areas, car parks and building elevations, each with joints that move.

Westhampnett is about 1 mile north-east of Chichester, in West Sussex. Our applicators travel to Westhampnett for work on movement joints. Westhampnett is one of 373 places we cover in West Sussex for movement joints. There’s a separate page for Portsmouth, roughly 14 miles from Westhampnett.

We cover the PO18 postcode districts. Among the streets we cover are Hill Road, Sears Close and Hamilton Way, and sites on any of them can send details for a fixed quote. Sites close to Westhampnett are covered too, including Maudlin (1 mile east), Shopwyke (1 mile south-east), Westerton (1 mile north-east), Portfield (1 mile south-west) and Strettington (1 mile north-east). A short drive away, we cover Bognor Regis (5 miles south-east), Selsey (8 miles south), Littlehampton (10 miles east), Rustington (11 miles east), Storrington (14 miles east) and Angmering (12 miles east).

Around Westhampnett

In Westhampnett, that means premises near The Coach And Horses Public House, Westbourne House School and Chichester High School For Girls. The closest station to Westhampnett is Chichester station, roughly 1.7 miles south-west. Nearby you’ll also find Chichester Castle (1.2 miles south-west) and Chichester Centre (0.8 miles west). Not far away are Stoke Down and Kingley Vale National Nature Reserve.

Map of Westhampnett © OpenStreetMap contributors
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