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

Industrial and floor joint sealing in North Sheen, Greater London

Need floor joint sealing in North Sheen? Send us the details for a fixed quote, backed by a 12-month guarantee on the work.

  • Loading bay joints breaking down
  • Scruffy, dirty joint lines on a shop or showroom floor
  • Trucks and loads jolting over damaged joints
1
Send details
Send the specification, photos or a marked-up plan.
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.
Covering the South East & Scotland
CHAS & Constructionline
£5m public liability

Floor joint sealing in North Sheen

Photos, a specification or a quick description of the joints is enough to start a fixed quote.

Aftercare for building managers

After handover, a little attention goes a long way:

  • Photograph any joint that starts to chip
  • Put loading bays at the top of the list
  • Keep grit out of unfilled joints in the meantime
  • Hold traffic back until the product has cured

If a joint we filled starts to break up within 12 months, tell us and we will arrange a look. Beyond that, an inspection once or twice a year catches failing joints early.

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 in North Sheen, done properly

We work on warehouse aisles, dock areas, factory floors, retail units and showrooms. Pricing depends on the length of joint, how worn the edges are and when we can get in and the figure is fixed before work begins. If you’re dealing with loading bay joints breaking down and cracked and crumbling joint fill, we can help. A specialist sealant contractor works differently from a general builder: on jobs in North Sheen, preparation and product choice get the time they need.

London’s floor joints are concentrated in warehouses and trade units, car parks, podiums and decks. Planning a job in North Sheen means thinking about access, loading times and the ULEZ as well as the joints.

The 12-month guarantee is for workmanship rather than wear and tear. How long a sealant joint lasts depends on movement, exposure, cleaning and use, 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 Sheen (TW9, SW14, W4)
Wider area
Greater London
Cover
12 months on our workmanship
Price
Quoted before any work starts
Telephone
01277 525 020
Last updated
3 November 2026

Diagnose, treat, sign off

We schedule the visit to fit the site hours and access windows you give us. While we’re working, the area stays contained and tidy, and your contact hears from us before we move to the next area. All of Greater London is in the ULEZ, and kerbside space in North Sheen can be scarce. If there’s a loading bay, a car park or a permit we can use, tell us when you send details.

  1. We walk the floor and mark up joint widths, edge damage and traffic routes.
  2. The treatment and the zones are set out in a fixed quote.
  3. Old fill and packed debris come out until both faces are sound.
  4. Dust is vacuumed out and primer applied where specified.
  5. The joint is filled to its specified depth and trimmed level.
  6. Zones reopen once cured and the work moves on.

What we need from you

  • Tell us your opening times and when work is allowed
  • Let building users know which areas are affected
  • Move anything stored against the joints

Ask for a quote

Every quote starts with the facts: the joints involved, quantities, access and the product called for. Send what you have, and we will arrange a site visit if anything is unclear.

Get a price

Read more

Why it’s worth doing now in North Sheen

Every jolt over a broken joint passes into the truck, the load and the driver. Wheels and bearings wear faster and loads can shift, which nobody budgets for. A properly filled joint smooths the route. In a London building, a failed joint rarely affects only one party: water travels through shared structures, and a small leak becomes a dispute between occupiers. Dealing with it early is simpler for everyone.

No two sites price the same: the joint sizes, the specified product, access and working hours each have a bearing. Send the details and a fixed figure follows.

Why appoint us

  • Constructionline member
  • Failed material removed, not covered up
  • CHAS accredited
  • Fully insured

Read our cost guide and how we’re accredited.

Doing it in-house

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.

There’s also the paperwork. Main contractors and clients often ask for CSCS cards, RAMS and insurance details, and we’ll confirm the paperwork you need with the quote.

What sets the cost

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

  • Backing rod, priming and other preparation
  • Any access equipment needed
  • Site requirements such as inductions and permits
  • Which sealant the job calls for

Quantities, awkward access and phased working all shape the price. So do site requirements such as inductions and permits.

What we need to price the job

A few photos plus some basic facts will normally do. It helps to include:

  • What the building is and how it’s used
  • Photos of the joints, close up and from further back
  • Any specification or named product
  • How the joints are reached, and at what height

Need a figure for a tender or a budget? Send the scope and any drawings, and we’ll return a fixed quote that you can work with. For a chat about it beforehand, call 01277 525 020 or email drawings and photos.

Questions about North Sheen

Do you work in London buildings with loading restrictions?

Yes, most London buildings have access rules of some kind, and we plan around them. Say when the building is occupied and when it’s quiet, and we will plan accordingly. The ULEZ covers the whole of Greater London, which we allow for

Does your area include sites such as Kew Retail Park, near North Sheen?

Yes. We cover North Sheen and the area around it, including industrial estates, business parks and retail parks such as Kew Retail Park. Photos and a short description are enough for a first look.

Do you guarantee industrial floor joints?

Our workmanship carries a 12-month guarantee and the work is covered by public liability insurance.

How do you choose the sealant?

The specification comes first, if there is one. Without one, the joint decides: how much it moves, what it bonds to and whether it’s wet, trafficked or fire-rated.

Do you hold CHAS accreditation?

Yes. We are CHAS accredited and a Constructionline member.

Why has the filler pulled away from one side?

Separation normally comes from slab shrinkage, poor preparation or the wrong product. We diagnose the cause before suggesting a fix.

Does weather matter for sealant work?

It can, for external work. Wet joints and cold, damp or frosty conditions stop the sealant bonding properly, so we watch the forecast and rearrange outside work if we have to. Indoors, the weather is rarely a problem.

Traffic, movement and joints around North Sheen

At least three named trading, business or retail sites lie within about 3 miles of North Sheen. Sites like these are full of saw-cut floor joints, yard slabs and car park joints. Basement car parks and service yards in London tend to be in use all working day, so the work is broken into short sections agreed with the building manager.

Campuses like Richmond American University London (1.3 miles north of North Sheen) mix old and new buildings, with movement joints wherever they meet. For a store at a site such as Kew Retail Park, less than half a mile to the north of North Sheen, the service yard and goods-in area are where joints break down first.

North Sheen is about 3 miles south of Acton, in Greater London. Our applicators travel to North Sheen for work on floor joints. Across Greater London, 764 places are covered, North Sheen among them. London is covered too, around 8 miles from North Sheen.

Commercial sites across TW9, SW14 and W4 are covered. Buildings on Kent Road, Ibis Lane and The Avenue are within our area for floor joints. If your building is just outside North Sheen, we cover Kew (1 mile north), Grove Park (1 mile north-east), Strand-on-the-Green (1 mile north), East Sheen (1 mile south-east) and Mortlake (1 mile south-east). A short drive away, we cover London (8 miles east), City of Westminster (6 miles north-east), Marylebone (6 miles north-east), Kensington (4 miles north-east), St Pancras (8 miles north-east) and Shoreditch (9 miles east).

Landmarks near North Sheen

Recent enquiries here include premises near Kew College Prep, Dukes Meadows and Chiswick School. There’s a railway station in North Sheen itself: Kew Gardens station. A little further out are Barnes Hospital (1.1 miles south-east) and Livat Hammersmith (2.5 miles north-east). The countryside around North Sheen includes Kew Gardens Lake and Duke's Hollow.

Map of North Sheen © OpenStreetMap contributors

What we are called out for in North Sheen

Small, hard wheels put a lot of load through a very small area. Crossing an open joint, the wheel drops and knocks the opposite arris and those knocks chip the edge apart bit by bit.

It’s worth sending us details if you spot any of the following:

  • Brittle joint filler breaking up
  • Sealant pulled out along a truck route
  • Open saw cuts full of debris
  • Failing joints at loading bays and dock doors

Across sites such as Phoenix Trading Estate, 1.6 miles to the north-west of North Sheen, floor and movement joints can be sealed in phases so units keep working.

Questions to ask before you book

  • How the existing material will be dealt with
  • What site paperwork they can supply
  • Will CSCS-carded applicators be on site?
  • Proof of insurance

Our contractor checklist

Accreditations

Trusted. Accredited. Insured.