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

Industrial and floor joint sealing in North Heath, West Sussex

Floor joint sealing in North Heath, backed by over 20 years in commercial sealing. Fully insured, with a 12-month guarantee.

  • A rough ride across broken joints
  • Chipped and spalling edges along forklift routes
  • Flexible sealant torn out by wheels
1
Send details
Photos, drawings or a schedule, or we visit.
2
Get a quote
One fixed quote covering the agreed scope.
3
We seal
Failed joints cut out, faces prepared, new sealant laid.
4
Guaranteed
Signed off, with 12 months’ guarantee.
London, the South East & Scotland
Constructionline member
Fully insured: £5m PL

Floor joint sealing across North Heath

Share the site address and what’s failing, and we’ll reply with a fixed quote or arrange a visit.

Floor joint sealing in North Heath

Most industrial slabs are divided into panels by saw-cut joints and construction joints, and every one of those joints is an exposed edge under hard wheels. We fill or seal them with a product matched to the traffic and the movement so the edges are held up and debris can’t pack in. Site teams most often ask us about filler that has parted from one face and chipped and spalling edges along forklift routes, on construction joints, loading bays and joints along racking aisles. A single leaking joint is often how a building in North Heath first comes to us: we look at the rest while we’re there and tell you what we find.

In and around smaller places like North Heath, 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 is for workmanship rather than wear and tear. Sealant wears with time, and movement, weather, cleaning and use decide how fast, so we are clear about what is covered before work starts.

The Mastic Doctor team standing beside their branded vans outside an office building
Location
North Heath (RH20)
Wider area
West Sussex
Guarantee
A 12-month guarantee
Price
Quoted before any work starts
Phone
01277 525 020
Last updated
3 November 2026

What sets the cost

A fixed quote reflects the actual work. It allows for:

  • Backing rod, priming and other preparation
  • Whether the work must be split into stages
  • Removal of failed or old sealant
  • Travel to remote or island sites

Larger quantities, tricky access or phasing all shape the price. So do site requirements such as inductions and permits, along with the time of year for external work.

What we need to price the job

To price the job accurately, we need a clear picture of the site. Useful things to include:

  • The type of building and who uses it
  • Anything awkward about access or site hours
  • The site address and postcode
  • Rough lengths or quantities, or drawings if you have them

Quotes are fixed against the scope you send, so you know the figure before anyone is on site. To ask for one, ring 01277 525 020 or send photos by email.

How a job runs

At the end of each section, the masking comes off, the area is cleaned and every joint is checked, ready for your sign-off. Where the sealant needs time to cure before use, we tell you and sign the area. Jobs in and around smaller places like North Heath are normally planned as a single visit, so we ask for photos and rough sizes first. That way the right products come on the day.

  1. We look at joint widths, edge condition and the traffic on each route.
  2. You get a fixed quote with the product and the phasing set out.
  3. Each joint is cleared of old fill and dirt and taken back to clean, sound edges.
  4. We vacuum each run and prime it if the chosen product requires a primer.
  5. The chosen product is placed to its specified depth and trimmed level with the floor.
  6. Each phase reopens when the product is ready for wheels, then we start the next.

What we need from you

  • Point out any areas we must not close
  • Share your working hours and any access restrictions
  • Confirm the product named in the specification

Request a quote

Every job follows the same four steps: send details, get a quote, we seal, guaranteed. The first step is to call the office on 01277 525 020 or email us with what you know.

Get a quick quote

Related advice

Floor joint sealing in North Heath: the local picture

Less than 3 miles from North Heath there are at least three named estates and business parks. Floors, loading bays and yards on sites like these are where floor and movement joints work hardest. North Heath is about 39 miles from central London. The South East has large numbers of industrial estates and warehouses along the motorway corridors, and their floor joints take forklift and pallet-truck traffic all day.

At places like Gillman's Industrial Estate (2.3 miles north-east of North Heath), joints are sealed a section at a time so operations carry on.

North Heath is about 9 miles south-west of Horsham, in West Sussex. North Heath sits inside our coverage and the rest of West Sussex, and jobs here get the same fixed quote and 12-month guarantee as anywhere else. We work across 373 places in West Sussex. Sites around Brighton have their own page, about 18 miles away.

Commercial sites across RH20 are covered. We cover commercial and managed buildings on Gay Street Lane and Stane Street. Close to North Heath, our area also takes in Gay Street (1 mile south-east), Adversane (1 mile north), Codmore Hill (1 mile south-west), Broomershill (1 mile south) and Nutbourne (2 miles south). Bigger towns within reach include Crawley (15 miles north-east), Horsham (9 miles north-east), Worthing (11 miles south), Burgess Hill (15 miles east), Littlehampton (12 miles south) and Shoreham-by-Sea (14 miles south-east).

Local landmarks in North Heath

The closest station to North Heath is Pulborough station, roughly 2.4 miles south-west. Not far away are The Mens.

Map of North Heath © OpenStreetMap contributors

Questions we are asked in North Heath

Is North Heath too far out for you?

Not at all: smaller places are covered as well as towns. Our area covers London and the South East counties. Good photographs up front let us bring everything on the first visit.

Does a site in North Heath have to shut while its joints are sealed?

In the majority of cases the site keeps working. Joints are done in phases, a bay, aisle or deck at a time. We agree the sequence and timings with you before we start.

How long do sealant joints last?

It depends on movement, UV and weather, cleaning, traffic and the product. Sealant joints are maintenance items, so inspect them regularly.

Do you hold CHAS accreditation?

Yes. We’re CHAS accredited, we are a Constructionline member and we use CSCS-carded applicators.

Do you repair broken joint edges?

We check the edges as part of the survey. Damaged edges are flagged up front so the filling isn’t wasted.

Do you use semi-rigid filler or flexible sealant on floor joints?

The answer comes from the traffic and the joint’s movement. Forklift routes generally call for a semi-rigid filler that holds the arrises, while joints that move more take a flexible sealant.

How long does a typical visit take?

That varies with the scale of the job, but the work normally takes a day for smaller units, with bigger warehouse floors programmed over several visits. For bigger or phased jobs, we will set out a timescale with the quote.

General trades versus a specialist

Some joints are best left to specialists: fire-rated seals that must follow a tested detail, trafficked floor joints and external movement joints among them. A poor seal in places like these tends to cost more to put right later.

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, which is what makes a joint last.

For managing agents and facilities managers

Hospitality, education, healthcare, office and retail clients book us directly too. We plan around the way the building is used, so guests, pupils, patients or staff are disturbed as little as possible.

Blocks and communal areas make up much of the work for housing associations and agents. We phase the work so people keep access, and each stage is agreed with your contact.

Common problems we fix in North Heath

A slab keeps shrinking for a long time after it is cast, and saw-cut joints give that shrinkage a planned place to crack. As the panels contract, the joints widen so a filler put in early may separate along one side.

Look out for the following:

  • Loading bay joints breaking down
  • Grimy joint lines spoiling a showroom floor
  • A rough ride across broken joints
  • Unfilled floor joints collecting dirt and grit

On a site such as Broomers Hill Business Park, 0.8 miles to the south-west of North Heath, the movement joints are in car park slabs, paving and building elevations.

What your quote should include

  • Is depth set with backing rod, or bond-breaker tape in shallow joints?
  • The terms of the workmanship guarantee
  • Their pre-qualification and accreditations
  • How the joint faces will be prepared and primed

How to choose a sealant contractor

What happens if it’s left?

Open joints are where dirt collects, out of reach of the floor cleaner. Where the floor is on show or needs to be kept clean, that is a problem. Filled joints are far simpler to keep clean. Older rural buildings around North Heath move with the seasons, and rigid or tired sealant can’t keep up. A sealant with the right movement capability, correctly sized, lasts far better.

Whether it’s a single area or a whole estate, the same things set the price: what’s in scope, how we reach it, what’s specified and when it needs doing. Call for a quote and we will put a fixed figure on it.

Why clients in North Heath choose us

  • Failed material removed, not covered up
  • A fixed quote before work starts
  • Constructionline member for supplier checks
  • CHAS accredited

Take a look at how commercial sealant jobs are priced or our accreditations.

Accreditations

Trusted. Accredited. Insured.