Industrial and floor joint sealing in Crawley, West Sussex
Sealant work in Crawley for main contractors, managing agents and facilities managers: floor joint sealing and filling in warehouses, factories and industrial units, quoted at a fixed price.
- Soft sealant dragged out of trafficked joints
- A gap opening alongside old joint filler
- Dock area joints that have failed first
Floor joint sealing across Crawley
Send drawings, photos or a joint schedule, or tell us about the site, and we’ll come back with a fixed quote.
Floor joint sealing for commercial buildings in Crawley
We diagnose the floor first rather than guessing at a product: joint widths, whether the joints are still opening, what runs over them and how the edges have held up. From that we choose between a semi-rigid filler and a more flexible sealant, area by area where it needs to be. We work on retail and showroom floors, forklift and pallet-truck routes and saw-cut induced joints, and the failures we’re asked to look at most are old filler gone hard, cracked or loose and failing joints at loading bays and dock doors. Sealant applicators who only do sealant are a different proposition from a general trade with a gun in the van: on jobs in Crawley, preparation and product choice get the time they need.
Retail units, healthcare buildings and car parks in large towns all have movement joints in floors, decks and walls, and Crawley is no different. When they fail, water and grit get in, edges break up and leaks follow.
Our workmanship is guaranteed for 12 months, in Crawley as everywhere else we work. If our installation lets you down in that time, we return and fix it.
- Location
- Crawley (RH10, RH11, RH12, RH6)
- Region
- West Sussex
- Guarantee
- A 12-month guarantee
- Quotes
- Quoted before any work starts
- Phone
- 01277 525 020
- Last updated
- 3 November 2026
On site: what to expect
In a busy building, the work is phased so only one area is out of use at a time. Each area is protected, prepared and sealed before the next one starts. Bigger buildings in Crawley are usually done in phases agreed with the site or facilities manager, keeping disruption low. Photos and drawings let us propose a sequence with the quote.
- We walk the floor and mark up joint widths, edge damage and traffic routes.
- The treatment and the zones are set out in a fixed quote.
- Old fill and packed debris come out until both faces are sound.
- We extract the dust and prime the faces if the product needs it.
- The joint is filled to its specified depth and trimmed level.
- Zones reopen once cured and the work moves on.
Preparing the site
- Let us know about inductions and permits
- Point out any areas we must not close
- Send your site hours and access windows
Quotes
The quickest route to a quote is a few photographs and the site postcode. Upload them with the quote form, or speak to us on 01277 525 020 or email the details over if you’d rather talk the job through.
Related advice
Nearby places to Crawley
Also in Crawley
How the job changes by surface
Retail and showroom floors
In retail, joints take trolleys, castors and cleaning machines rather than forklifts. The product is chosen for that traffic and the appearance is part of the brief.
Flexible floor sealants
A flexible sealant suits perimeter and movement joints away from the heaviest traffic. Backing rod limits how deep the bead goes and keeps it off the joint bottom.
Should maintenance staff do it?
Using site staff can make sense for a small touch-up, but larger jobs are different: a specialist brings efficiency, a consistent finish and a 12-month guarantee.
Site maintenance staff can often handle a short internal joint. Where it goes wrong is preparation: new sealant over old, damp or dusty faces, or the wrong product for the movement.
Why it’s worth doing now in Crawley
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. If one joint has failed on your building in Crawley, others of the same age may be close behind. Renewing them in one programme saves time later.
We don’t publish prices, because the scope varies so much from one building to the next. Call for a quote.
Why choose Mastic Doctor in Crawley
- Work carried out by CSCS-carded applicators
- Old sealant cut out, never sealed over
- Constructionline member
- CHAS accredited
Read how commercial sealant jobs are priced and our accreditations and insurance.
Building owners, agents and FMs in Crawley
Facilities managers want contractors who arrive with the paperwork sorted. Let us know the documents you need (RAMS, insurance certificate, CSCS details) and we will confirm them with the quote.
For main contractors, we work as the sealant subcontractor on new-build and refurbishment projects. Programme, specification and site rules come first, with CSCS-carded applicators on site.
Your questions answered
Can you work at a site such as Denvale Trade Park, by Crawley?
Yes. Estates, retail parks and business parks around Crawley, Denvale Trade Park among them, are all within reach. A few photos and the unit address let us price the work.
Is a hospital such as Crawley Hospital somewhere you can work?
Yes. We work in healthcare settings as well as offices and schools. Before anything starts, the estates team agrees permits, inductions and infection-control measures with us.
When is resealing likely to be due?
There’s no fixed lifespan: movement, exposure, cleaning, traffic and the product all play a part. Treat them as maintenance items and inspect them regularly.
What happens if old sealant might contain asbestos?
Asbestos is possible in some older mastics, particularly in buildings from before 2000. Before we disturb old sealant in an older building, we ask to see the asbestos register or survey, and work stops until any suspect material has been tested. Removing asbestos is a job for asbestos specialists, not us.
Is the floor joint work guaranteed?
Every job has our 12-month guarantee. It covers our workmanship, not later slab movement or damage from impacts.
Is Crawley in your area?
Yes. Crawley is in our area and the rest of West Sussex, within our coverage of Greater London, South East England and Scotland. To discuss a job, phone 01277 525 020 or email us.
Should floor joints be filled or sealed?
It depends on the traffic and the movement. Trafficked joints on truck routes typically need a semi-rigid filler to support the edges, while joints that move more take a flexible sealant.
Floor joint sealing around Crawley: points for this area
Crawley is about 27 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. Crawley was planned and built as a new settlement in the twentieth century. Its industrial areas were laid out from the start, and units built in the same decades tend to have slabs and movement joints that age in step.
For an estate such as Crawley Hospital, 0.5 miles to the north-west of Crawley, the joints in ramps, decks and long building elevations all need attention over time. For a school such as Three Bridges Junior School, playground and building joints can be done in the holidays. Phasing is what makes joint work possible on busy sites such as Crompton Fields Business Park (1.2 miles north of Crawley): one bay, aisle or car park row at a time.
Crawley is about 27 miles south of London, in West Sussex. Businesses, contractors and managing agents in Crawley can call on us for floor joints. Across West Sussex, 373 places are covered, Crawley among them. Sites around Brighton have their own page, about 19 miles away.
Postcode districts covered here: RH10, RH11, RH12 and RH6 for floor joints. Among the streets we cover are Station Road, Queens Square and High Street. Being close to the A23 and A264, Crawley is straightforward for us to reach. Close to Crawley, our area also takes in Southgate (1 mile south-west), Tilgate (1 mile south-east), West Green (1 mile north), Three Bridges (1 mile east) and Langley Green (1 mile north). A short drive away, we cover Horsham (7 miles south-west), Haywards Heath (9 miles south-east), Burgess Hill (11 miles south), East Grinstead (8 miles east), Billingshurst (13 miles south-west) and Roffey (5 miles south-west). As one of the bigger centres in West Sussex, Crawley has a broad mix of commercial, public and industrial buildings, and we cover them all.
Landmarks near Crawley
In Crawley, that means premises near Tilgate Park, St Wilfrid's Catholic School and St Francis of Assisi Catholic Primary School. Crawley has its own railway station: Crawley station. A little further out are Crawley Hospital (0.5 miles north-west) and County Mall (less than half a mile north-east). Not far away are Tilgate Lake.
What sealant work can’t fix
Not every problem is a sealant problem, and we’d rather tell you before you spend money. These need a different solution:
- A floor that is out of level for the racking or trucks
- Joint edges that have already broken away, which need repairing before filling (we’ll tell you if so)
- A floor that rocks at the joints, which needs a structural fix
Not sure which it is? You can call 01277 525 020 or email a schedule or drawings and we will tell you honestly before you book.
Surfaces we seal
- Forklift and pallet-truck routes
- Joints along racking aisles
- Retail and showroom floors
- Loading bays
- Construction joints
- Saw-cut induced joints