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

Industrial and floor joint sealing in Charlton, Surrey

Floor joint sealing in Charlton, backed by over 20 years in commercial sealing. Fully insured and CHAS accredited.

  • Untidy open joints in a retail unit
  • Unfilled floor joints collecting dirt and grit
  • Joint fill separating from the concrete
1
Send details
Send the specification, photos or a marked-up plan.
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
12-month guarantee on our workmanship.
London, the South East & Scotland
CHAS accredited
Fully insured: £5m PL

Floor joint sealing in Charlton

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 Charlton

We have been sealing commercial joints since 2005. Applicators carry CSCS cards and work to your site rules, and the business is CHAS accredited and a Constructionline member, with public liability insurance in place. Finished floor joints in Charlton carry our 12-month guarantee. If you have sealant pulled out along a truck route and a gap opening alongside old joint filler, we can help. For commercial sealant work in Charlton, you deal with one contact from quote to sign-off, whether it’s one building or several.

Halls, schools and small commercial buildings near places like Charlton have movement joints in brick, block and concrete too. They’re easily forgotten until water gets in or an edge breaks.

Guaranteed is the last step of every job. Our workmanship is backed for 12 months, and we explain exactly what that covers when we quote.

The Mastic Doctor team beside their liveried vans in front of an office building
Location
Charlton (TW17)
Region
Surrey
Guarantee
12 months on our workmanship
Price
A fixed quote before we start
Call
01277 525 020
Page updated
3 November 2026

Why it’s worth doing now in Charlton

Dirt and spillage gather in open joints, out of reach of the floor cleaner. In shops, showrooms and clean production areas that matters for hygiene and appearance. Flush, filled joints leave nothing for cleaners to dig out. Converted and older buildings near places like Charlton tend to move, and aged sealant cracks. The right product, sized to the joint, copes much better.

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.

Why us?

  • Fixed quotes based on photographs, drawings or a visit
  • CSCS-carded applicators
  • Joints cleaned back to sound surfaces
  • Public liability insurance in place

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

Keeping the joints sound

After handover, a little attention goes a long way:

  • Ask drivers not to drag forks or pallets
  • Hold traffic back until the product has cured
  • Check joint lines on busy aisles regularly
  • Clear packed debris from open joints regularly

Walk the main truck routes every few months and look along the joint lines. Watch for filler pulling away from an edge, fresh chipping or grit collecting and keep photographs so changes are easy to compare.

Edges tend to break slowly at first, then quickly. Each chip makes the drop deeper and the next impact harder so early treatment saves a lot of trouble.

What we are called out for in Charlton

Loading bay joints are exposed to wind, wet tyres and bigger temperature swings, as well as the tightest turning loads. That is normally where joint failure starts.

Common reasons buildings call us in:

  • Cracked and crumbling joint fill
  • Saw-cut joints left open and packed with grit
  • A rough ride across broken joints
  • Loading bay joints breaking down

A healthcare site such as Ashford Hospital (to the north-west of Charlton) depends on car parks, ramps and service yards whose joints take traffic all day.

What your quote should include

  • How they handle RAMS and site documents
  • Are they CHAS accredited or on Constructionline?
  • How they’ll work around occupants
  • Is the sealant right for the movement and the substrate?

How to choose a sealant contractor

Questions about Charlton

Do you cover business parks and estates near Charlton, such as Sunbury International Business Centre?

Yes. Our area takes in Charlton and its surroundings, with estates and business parks such as Sunbury International Business Centre included. Send details of the unit and the work through our quote form for a quick quote.

Is a smaller place like Charlton outside your area?

Not at all: smaller places are covered as well as towns. London and every South East county are within our area. Where we can, we group nearby jobs to make the most of each trip.

Why has the filler pulled away from one side?

On newer slabs, the concrete keeps shrinking after the joints are filled, so a semi-rigid filler can part from one face. It is usually dealt with by topping up.

Can the warehouse stay open while you work?

In the majority of cases, just the area being treated is coned off. Traffic returns to each zone once it has cured and the next zone follows.

How long will the new sealant last?

There isn’t a single answer, because life depends on how much the joint moves, how exposed it is and how it’s cleaned and used. Regular checks let you plan resealing before leaks or damage.

Will your applicators have CSCS cards?

Yes. If you need card details for site access, let us know and we’ll send them with the quote.

How many days will you need on site?

We plan the time on site around your programme and access. You’ll have an expected duration with the quote.

What sealant work can’t fix

Before quoting, we check that sealant is the right answer. It won’t put right:

  • Joint edges that have already broken away, which need repairing before filling (we’ll tell you if so)
  • Structural cracking in the slab
  • Damaged or worn floor coatings and screeds

If you are not sure, just ring 01277 525 020 or send photos by email and we will give you a straight answer before you book.

What we seal

  • Forklift and pallet-truck routes
  • Joints along racking aisles
  • Loading bays
  • Saw-cut induced joints
  • Retail and showroom floors
  • Construction joints

From enquiry to sign-off

Before any cutting starts, the area is protected: tape along each joint edge and covers over finishes, stock and equipment close by. The work itself typically takes anything from a day for one loading bay to several days for a large floor, split into phases, and we clear our waste as we work. Jobs in and around smaller places like Charlton are normally planned as a single visit, so we ask for photographs and rough sizes first. That way the right products come on the day.

  1. First comes a walk of the floor to record joint sizes, broken edges and traffic routes.
  2. You get a fixed quote with the product and the phasing set out.
  3. We remove failed material and packed debris until sound concrete is exposed on both faces.
  4. Dust is sucked out of the joint and a primer used if the product data sheet asks for one.
  5. The chosen product is placed to its specified depth and trimmed level with the floor.
  6. We tell you when each zone can carry trucks again and move on to the next.

What we need from you

  • Tell us what induction or permit system the site runs
  • Have the specification and drawings to hand
  • Make sure the joints can be reached

Quotes

Photos, drawings or a schedule of the joints and a fixed quote comes back to you. If the job needs a look first, we’ll arrange a site visit.

Ask for a quote

Read more

Building owners, agents and FMs in Charlton

Whether you are a managing agent, a property factor or an owner’s representative: send details, get a fixed quote, we seal, guaranteed. Keys, access and contacts can be agreed in advance.

Main contractors use us as their sealant subcontractor. Programme, specification and site rules come first, and our applicators hold CSCS cards.

Traffic, movement and joints around Charlton

Rainfall across the South East, Charlton included, is lower than in many parts of the UK. External slab and deck joints still need a dry, clean joint to seal, and where de-icing salt is spread in winter, open joints let it in. Charlton lies roughly 16 miles out from central London. Distribution warehouses and industrial estates are common around the motorway corridors that serve the capital.

Phasing is what makes joint work possible on busy sites such as Shepperton Business Park (0.9 miles south of Charlton): one bay, aisle or car park row at a time. Schools such as Littleton CofE Infant School have movement joints in their walls and floors that are easy to overlook.

Charlton is about 1 mile west of Sunbury-on-Thames, in Surrey. Any commercial site in Charlton is covered. Across Surrey, 379 places are covered, Charlton among them. We also cover London, around 16 miles from Charlton.

Commercial sites across TW17 are covered for floor joints. Buildings on Lodge Way, Charlton Road and Hetherington Road are within our area for floor joints. Just outside Charlton, we also work in Littleton Common (1 mile north), Upper Halliford (1 mile south-east), Ashford Common (1 mile north), Shepperton Green (1 mile south-west) and Littleton (1 mile west). Nearby towns on our patch include Guildford (13 miles south-west), Woking (9 miles south-west), Camberley (13 miles south-west), Epsom (9 miles south-east), Ewell (9 miles south-east) and Egham (5 miles west).

What’s near Charlton

Locally, jobs take us to sites close to Sunbury Manor School, The Bishop Wand Church of England School and Sunbury Park, among other places. The closest station to Charlton is Upper Halliford station, roughly 0.6 miles east of the centre. Nearby you will also find Kempton Steam Museum (2 miles north-east) and No. 2 New Zealand General Hospital (1.9 miles south-east). Open spaces near Charlton include St Ann's Hill and Ferris Meadow Lake.

Map of Charlton © OpenStreetMap contributors
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