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

Industrial and floor joint sealing in West Hendon, Greater London

Sealant work in West Hendon for main contractors, managing agents and facilities managers: floor joint sealing and filling in warehouses, factories and industrial units, with a fixed quote first.

  • Old filler gone hard, cracked or loose
  • Saw-cut joints left open and packed with grit
  • Dock area joints that have failed first
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
The right sealant, to the right depth, neatly finished.
4
Guaranteed
Signed off, with 12 months’ guarantee.
Covering the South East & Scotland
Constructionline member
£5m public liability

Floor joint sealing for West Hendon sites

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

How we handle floor joint sealing in West Hendon

It isn’t only heavy industry. Retail units, showrooms and trade counters have slab joints crossed by trolleys, footfall and cleaning machines, and an open, grimy joint line looks poor as well as catching wheels. A neat, flush fill makes the floor easier to clean and look after. If you have soft sealant dragged out of trafficked joints and grimy joint lines spoiling a showroom floor, we can help, on saw-cut induced joints, forklift and pallet-truck routes and joints along racking aisles alike. One point of contact handles commercial sealant work in West Hendon from the first photographs to the final walk-round, whether it’s one building or several.

Most London buildings can’t shut a car park, loading bay or warehouse floor for long. We work through joints a section at a time, closing small areas in turn.

A 12-month guarantee applies to all our work. If an installation problem shows up, speak to us on 01277 525 020 or email a schedule or drawings and we will arrange a return visit.

Location
West Hendon (NW9, NW4)
Wider area
Greater London
Guarantee
12 months on every job
Quote
Fixed quote, scope in writing
Phone
01277 525 020
Updated
3 November 2026
Mastic Doctor team members lined up next to their branded vans outside an office building

Work for main contractors and building owners

Facilities managers want contractors who arrive with the paperwork sorted. Tell us what site paperwork you need, such as RAMS, an insurance certificate or CSCS details, and we’ll confirm with the quote.

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.

How a job runs

When we get to site, we sign in, go through any site induction and check how permits are handled. Everything around the joints gets protected before anything is cut or cleaned, and the work usually takes a day for smaller units, with bigger warehouse floors programmed over several visits. The ULEZ covers the whole of Greater London, and parking near a job is rarely simple. If there’s a loading bay, a car park or a permit we can use, tell us when you send details.

  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. Each area is handed back when ready for traffic.

What we need from you

  • Let building users know which areas are affected
  • Agree which areas must stay open
  • Share your working hours and any access restrictions

Quotes

If there’s a specification, drawings or a tender package, send it with your enquiry, and we will price against exactly what is specified. Smaller jobs need nothing more than photographs and a few notes.

Ask for a quote

Read more

Site staff or a sealant specialist?

General builders and handymen seal joints, but it isn’t their main trade. A specialist brings correct preparation, depth control with backing rod and a product suited to that particular joint.

Putting right a botched joint often costs more than sealing it well at the start, 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.

What sets the cost

There’s no standard rate for sealant work, because every site is different. What we look at:

  • Location, for remote and island sites
  • The site’s rules and procedures
  • The total length or number of joints
  • How much existing material needs removing

The specified product makes a difference, and so does the preparation, such as cutting out, priming or new backing rod. Access, phasing and site requirements come into it too.

Before you send an enquiry

It doesn’t need to be a full survey. These details are enough to start:

  • Drawings or a marked-up plan, if available
  • Anything awkward about access or site hours
  • The postcode of the building
  • Photos of the joints, close up and from further back

The quickest route to a quote is a few photographs and the site postcode. Send them through the quote form, or phone 01277 525 020 or email drawings and photos if you’d rather talk the job through.

Your questions answered

Would you work within a site like BMI Hendon Hospital?

Yes. Healthcare sites are among the places we work. Work is phased so departments keep running, under the site’s own rules.

Do you work in London buildings with loading restrictions?

Yes, most London buildings have access rules of some kind, and we plan around them. Send the building rules and access times with your enquiry. We allow for the ULEZ, which covers every borough

Can you fill joints where the arrises have spalled?

Filling against broken edges doesn’t last. If the arrises have spalled, we will say they need repair before filling, so you can decide how to proceed.

How long does a job like this take?

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

Can you work to our specification?

Yes. Include it with the drawings when you ask for a quote, and the quote will be based on it.

How do you deal with asbestos in old sealant?

The duty to manage asbestos sits with the building’s dutyholder, so we will ask for the register before work on an older building. Work pauses if suspect material is found, until it has been tested.

Will we need to close the floor?

Normally only the zone we are working in has to close. Each zone reopens when the product can take traffic and the next zone follows.

What happens if it’s left?

Open joints are where dirt collects, out of reach of the floor cleaner. In shops, showrooms and clean production areas that matters for hygiene and appearance. Filled joints are far simpler to keep clean. Getting scaffold, permits or access booked in West Hendon takes effort, so it makes sense to deal with every failing joint while access is in place.

The work involved drives the cost: removing old material, preparing the joints, the product, the access and how the work is phased. Call for a quote and we’ll explain how it’s made up.

Why clients in West Hendon choose us

  • Fixed quotes based on photos, drawings or a visit
  • Over 20 years of commercial sealing
  • Health and safety: CHAS accredited
  • Work to your specification and the manufacturer’s guidance

Read our cost guide or our accreditations.

Floor joint sealing in West Hendon: the local picture

Less than 3 miles from West Hendon there are at least three named estates and business parks. Their warehouses, yards and car parks are exactly where joints take the most punishment. In London, decks, bays and service yards normally have to keep running, so the work is broken into short sections agreed with the building manager.

For an estate such as BMI Hendon Hospital, 1.3 miles to the north-east of West Hendon, the joints in ramps, decks and long building elevations all need attention over time. Another example is Colindale Retail Park, 0.7 miles to the north-west of West Hendon, where floors and yards would be done in stages around the occupiers.

West Hendon is about 2 miles north of Neasden, in Greater London. Anywhere in NW9, it works the same way: details in, fixed quote out, then sealing and a 12-month guarantee. We work across 764 places in Greater London, large and small. London is covered too, some 9 miles away.

We take on floor joints across the NW9 and NW4 postcode area, whatever the building. For a building on Alpini Road, Catkin Road and Garrick Road or nearby, we can quote for floor joints. West Hendon sits on or close to the A5, which helps when planning parking and deliveries for the job. Just outside West Hendon, we also work in The Hyde (1 mile south), Colindale (1 mile north), The Burroughs (1 mile north-east), Hendon (1 mile east) and Staples Corner (1 mile south-east). A short drive away, we cover London (9 miles south-east), City of Westminster (6 miles south-east), Marylebone (6 miles south-east), Kensington (6 miles south), St Pancras (7 miles south-east) and Shoreditch (8 miles south-east).

Around West Hendon

Around West Hendon, our work takes us to commercial buildings near Woodfield School, Moon Under Water pub and Brampton College and the streets around them. There’s a railway station in West Hendon itself: Hendon station. Nearby you’ll also find Brent Cross Shopping Centre (1.1 miles east) and Church Farmhouse Museum (1 mile north-east). Green spaces nearby include Masons Field and Parliament Hill.

Map of West Hendon © OpenStreetMap contributors

When to call us in West Hendon

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 repeated impacts break the concrete away.

What tends to prompt an enquiry:

  • Cracked and crumbling joint fill
  • Scruffy, dirty joint lines on a shop or showroom floor
  • Trucks and loads jolting over damaged joints
  • Unfilled floor joints collecting dirt and grit

Schools like The Hyde School often have long brick elevations with movement joints that age quietly.

Before you book anyone

  • The terms of the workmanship guarantee
  • Will RAMS and insurance details be available?
  • How they’ll work around occupants
  • Is depth set with backing rod, or bond-breaker tape in shallow joints?

Choosing a commercial sealant contractor

Accreditations

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