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

Industrial and floor joint sealing in South Harting, West Sussex

We carry out floor joint sealing and filling in warehouses, factories and industrial units in South Harting and the surrounding area. Send details for a fixed quote.

  • A rough ride across broken joints
  • Soft sealant dragged out of trafficked joints
  • Broken arrises where pallet trucks cross
1
Send details
Tell us about the site, with photos if you have them.
2
Get a quote
Scope agreed and priced before anything starts.
3
We seal
Prepared joints, the specified product, a tidy finish.
4
Guaranteed
Backed by a 12-month workmanship guarantee.
London, the South East & Scotland
CHAS accredited
£5m public liability

Floor joint sealing for businesses in South Harting

Send drawings, photos or a joint schedule, or tell us about the site, and we’ll come back with a fixed quote.

Looking after the joints

Cleaning and maintenance staff play a part too. Share these points with them:

  • Tell us about strong cleaning chemicals before we quote
  • Hold traffic back until the product has cured
  • Plan for a top-up on newer floors
  • Walk the main routes and inspect joint lines on a regular cycle

A routine walk of the busiest aisles shows how the joints are holding up. Look for separation down one side, new chips in the arris and debris gathering, and photograph anything that changes.

Every day an open joint stays full of grit, the edges take more punishment. Getting it filled stops the damage while it is still a straightforward job.

Floor joint sealing for commercial buildings in South Harting

We diagnose the floor first rather than guessing at a product: how wide the joints are, signs of ongoing movement, the wheel types crossing them and the state of the arrises. From that we choose between a semi-rigid filler and a more flexible sealant, area by area where it needs to be. If you have joint fill separating from the concrete and brittle joint filler breaking up, we can put it right, on joints along racking aisles, construction joints and retail and showroom floors alike. Most enquiries from South Harting start with one failed joint and grow into a wider look at the building: we check the joints around it and give you an honest view of what needs doing now and what can wait.

In and around smaller places like South Harting, the concrete floors we see are often in converted farm buildings, small workshops and storage units. Joints in those slabs take vehicles, trolleys and foot traffic, and need a filler or sealant to match.

The 12-month guarantee covers our workmanship: the preparation, the sealing and the tooling. Damage, later alterations by others and movement beyond what the joint was designed for sit outside it.

The Mastic Doctor team standing beside their branded vans outside an office building
Location
South Harting (GU31)
Region
West Sussex
Guarantee
12 months on our workmanship
Quote
A fixed quote before we start
Telephone
01277 525 020
Last updated
3 November 2026

What the job involves on each surface

Construction joints

Day joints sit where one section of slab was cast against another. They can move more than saw cuts and that shapes the choice of filler or sealant.

Loading bays and dock areas

At loading bays, product choice has to suit the loads, the temperature and the wet. Curing times also have to fit around deliveries.

When to call us in South Harting

Pallet-truck and forklift wheels concentrate weight on a tiny contact patch. Where a joint is open, the wheel dips and strikes the far edge and those knocks chip the edge apart bit by bit.

Typical triggers for a call:

  • Unfilled floor joints collecting dirt and grit
  • Sealant pulled out along a truck route
  • Dock area joints that have failed first
  • Drivers complaining about joints on a route

Schools such as Harting CofE Primary School have movement joints in their walls and floors that are easy to overlook.

Questions to ask before you book

  • Which product they’ll use, and why it suits the joint
  • How they’ll work around occupants
  • Are they CHAS accredited or on Constructionline?
  • Do they follow the manufacturer’s priming guidance?

Questions to ask before you appoint anyone

Site staff or a sealant specialist?

A short, simple internal joint is often within reach of a maintenance team. Where it goes wrong is preparation: new sealant over old, damp or dusty faces, or the wrong product for the movement.

Redoing a failed joint normally costs more than getting it right at the outset, because the whole bead must be removed and the faces cleaned back again. That’s why many clients bring in a specialist from the beginning.

Floor joint sealing in South Harting: the local picture

South Harting is in the South East, one of the UK’s drier regions. External joints still wait for dry conditions, while winter salting gets into any joint left open. Central London is about 50 miles from South Harting. Distribution warehouses and industrial estates are common around the motorway corridors that serve the capital; their floors carry heavy traffic every shift.

Hospital campuses such as Petersfield Community Hospital, 3.6 miles to the north-west of South Harting, grow in stages, leaving movement joints wherever new blocks meet old.

South Harting is about 3 miles south-east of Petersfield, in West Sussex. Anywhere in GU31, the process is the same: details in, fixed quote out, then sealing and a 12-month guarantee. Our West Sussex coverage takes in 373 places, from busy centres to rural villages. There’s a separate page for Portsmouth, about 14 miles away.

Postcode districts covered here: GU31 for floor joints. If your site is on The Square, Smithfield and Mill Lane or close by, we can quote for floor joints. Sites close to South Harting are covered too, including East Harting (1 mile east), Nyewood (2 miles north-east), Elsted (2 miles east), Compton (3 miles south) and Dumpford (3 miles north-east). Further afield, our area takes in Bognor Regis (15 miles south-east), Chichester (10 miles south-east), Portfield (11 miles south-east), East Wittering (14 miles south), Nyetimber (15 miles south-east) and Midhurst (6 miles east).

Around South Harting

We work on buildings around The Ship Inn. South Harting’s nearest station is Petersfield station, about 3.7 miles north-west of the centre. A little further out are Petersfield Community Hospital (3.6 miles north-west) and Bear Museum (3.3 miles north-west). The countryside around South Harting includes Iping and Stedham Commons and Oakham Hill.

Map of South Harting © OpenStreetMap contributors

Diagnose, treat, sign off

Inspect, seal, sign off: that’s the shape of every visit. We inspect the joints and confirm what’s in scope, then we prepare and seal each joint with the specified product, and we finish with a walk round so the work can be signed off. Smaller jobs around South Harting can be grouped with others nearby, which keeps travel down. A fixed quote is given before anything starts.

  1. First, the zones and order of work are agreed with you.
  2. Any joints with broken edges are flagged before work starts.
  3. We clear each run back to clean concrete.
  4. The chosen filler or sealant goes in flush with the slab.
  5. You get a time for each zone to reopen.

What we need from you

  • Tell us your opening times and when work is allowed
  • Move anything stored against the joints
  • Have the specification and drawings to hand

Quotes

We quote a fixed sum against the scope you give us, so you know the figure before anyone is on site. To start the process, speak to us on 01277 525 020 or send details through our quote form.

Get a price

Read more

Common questions from South Harting clients

Do you take on work at healthcare sites like Petersfield Community Hospital?

Yes, hospitals are one of the sectors we cover. Before anything starts, the estates team agrees permits, inductions and infection-control measures with us.

Does a site in South Harting have to shut while its joints are sealed?

Rarely. Work is phased around your operations. The phasing plan comes with the quote.

Do you guarantee industrial floor joints?

A 12-month guarantee covers the work we do. It covers our workmanship, not later slab movement or damage from impacts.

Do your applicators hold CSCS cards?

Yes. If you need card details for site access, tell us and we will confirm them with the quote.

Are you CHAS accredited and on Constructionline?

Yes. We are CHAS accredited and a Constructionline member.

Does the weather affect the work?

It can, for external work. Sealant won’t bond properly to a wet or frosty joint, so external work may be moved if conditions aren’t right. Internal work is far less affected.

How do we get a quote for floor joints?

Send details through our quote form or by email, with the traffic on each area. A fixed quote follows with the product and phasing set out.

Why deal with it now?

Tape, or whatever sealant is in the stores cupboard, may look like a fix for a while. Neither is made to carry wheels, and it usually ends up dragged across the floor. A product chosen for the traffic and movement does the job once. Converted and older buildings near places like South Harting tend to move, and aged sealant cracks. The right product, sized to the joint, copes much better.

We don’t publish prices, since every building and every scope is different. Call for a quote and we’ll price your job on its own details.

Why appoint us

  • Fully insured
  • Specification-led, product-correct work
  • CHAS accredited contractor
  • One number for every site we cover

Read how commercial sealant jobs are priced or our accreditations and insurance.

Accreditations

Trusted. Accredited. Insured.