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

Floor Joint Sealing contractors in Upper Edmonton

Planning work on a floor joint in Upper Edmonton? We look at it, seal it with the right product and hand it over with a 12-month guarantee.

  • Grimy joint lines spoiling a showroom floor
  • Open saw cuts full of debris
  • Cracked and crumbling joint fill
1
Send details
Drawings, photos, a joint schedule or a site visit.
2
Get a quote
Scope agreed and priced before anything starts.
3
We seal
Failed joints cut out, faces prepared, new sealant laid.
4
Guaranteed
Our workmanship is guaranteed for 12 months.
London, the South East & Scotland
CHAS & Constructionline
£5m PL insurance

Floor joint sealing near Upper Edmonton

Tell us what needs sealing and where, with photos or drawings if you have them, and we’ll price it.

Floor joint sealing in Upper Edmonton, 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 quote is fixed before we mobilise. Site teams most often ask us about a rough ride across broken joints and joint fill separating from the concrete, across construction joints, saw-cut induced joints and joints along racking aisles. Searching for sealant specialists in Upper Edmonton? We’ve been sealing commercial buildings since 2005.

London’s floor joints are concentrated in warehouses and trade units, car parks, podiums and decks. In Upper Edmonton, as everywhere in London, access, loading and the ULEZ all come into the plan.

Our 12-month guarantee is about workmanship, not wear and tear. Sealant wears with time, and movement, weather, cleaning and use decide how fast, so we spell out the cover before we begin.

The Mastic Doctor team beside their liveried vans in front of an office building
Location
Upper Edmonton (N18, N9, N17)
Region
Greater London
Guarantee
12 months on every job
Quotes
Fixed quote, scope in writing
Phone
01277 525 020
Updated
3 November 2026

Slabs, ramps and loading bays in Upper Edmonton

Upper Edmonton has at least three named business or industrial parks inside a 3-mile radius. That puts plenty of warehouse floors, service yards and car parks close by, all with joints under traffic. In London, decks, bays and service yards usually have to keep running, so the work is broken into short sections agreed with the building manager.

Estates like Compass West Industrial Estate, 0.6 miles to the south-east of Upper Edmonton, combine warehouse slabs, yards and loading bays, all with joints under wheels. Across sites such as Edmonton Green Shopping Centre, 0.8 miles to the north-east of Upper Edmonton, floor and movement joints can be sealed in phases so units keep working.

Upper Edmonton is about 1 mile south of Edmonton, in Greater London. Businesses, contractors and managing agents in Upper Edmonton use us for work on floor joints, as part of our coverage of Greater London. 764 places across Greater London fall within our area, including Upper Edmonton. Our London page has more on work in that area (8 miles or so).

Business premises anywhere in N18, N9 and N17 are within our area for floor joints. Among the streets we cover are Bull Lane, Park Lane and York Road. Close to Upper Edmonton, our area also takes in Northumberland Park (1 mile south-east), Edmonton (1 mile north), Picketts Lock (2 miles north-east), South Chingford (2 miles east) and Winchmore Hill (2 miles north-west). Bigger towns within reach include London (8 miles south), City of Westminster (8 miles south-west), Marylebone (8 miles south-west), Kensington (10 miles south-west), St Pancras (6 miles south) and Shoreditch (6 miles south).

Local landmarks in Upper Edmonton

We work on buildings around Pymmes Park, Tottenham University Technical College and London Academy of Excellence Tottenham and the streets around them. There’s a railway station in Upper Edmonton itself: Silver Street station. Well-known places in the area include North Middlesex University Hospital (less than half a mile west) and Broomfield House Museum (2.2 miles west). Open spaces near Upper Edmonton include Pole Hill and Highams Park Lake.

Map of Upper Edmonton © OpenStreetMap contributors

How the job changes by surface

Saw-cut induced joints

Sawn joints make up most of the joint length in a typical industrial floor. We clear them back to clean concrete and fill them to the depth the product calls for, finishing flush with the slab.

Flexible floor sealants

Polyurethane sealants suit floor joints with larger movement. They give less edge support than semi-rigid fillers so they are used where movement matters more than wheel load.

Why act early in Upper Edmonton

Duct tape or a general builders’ sealant can seem to buy some time. None of it is designed for wheel loads and traffic soon pulls it out. A product chosen for the traffic and movement does the job once. Getting scaffold, permits or access booked in Upper Edmonton takes effort, so while access is arranged it pays to renew all failing joints, not just the worst.

There’s no price list, since every building and every scope is different. Call for a quote and we will price your job on its own details.

Why appoint us

  • One contact handling all your sites
  • 12 months’ guarantee on every job
  • Health and safety: CHAS accredited
  • Constructionline member for supplier checks

Read our cost guide or our accreditations and insurance.

Do you need floor joint sealing in Upper Edmonton?

Floor joints collect dust, oil, curing compound and cleaning residue. If the faces aren’t taken back to clean concrete first the new filler can’t stay bonded.

Most enquiries start with something like this:

  • Old filler gone hard, cracked or loose
  • Filler that has parted from one face
  • Soft sealant dragged out of trafficked joints
  • Saw-cut joints left open and packed with grit

In a school such as St John and St James CofE Primary School, movement joints in brick, block and hall floors tend to be forgotten until they leak.

What to look for in a quote

  • The named product and why it was chosen
  • How joint depth will be controlled
  • How they’ll work around occupants
  • Do they follow the manufacturer’s priming guidance?

Our contractor checklist

Site staff or a sealant specialist?

For most general trades, sealant is a sideline. A specialist prepares properly, controls joint depth and picks a product with the right movement class.

For a quick touch-up, site staff may be fine, but anything bigger is another matter: a specialist brings efficiency, a consistent finish and a 12-month guarantee.

Our process

We schedule the visit to fit the site hours and access windows you give us. While we are working, the area stays contained and tidy, and we check in with your contact before moving on to each new area. All of Greater London is in the ULEZ, and kerbside space in Upper Edmonton 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 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. Old filler, debris and contamination are cut or routed out back to clean concrete.
  4. We vacuum each run and prime it if the chosen product requires a primer.
  5. We fill each joint to depth and finish it flush so wheels roll straight across.
  6. Each phase reopens when the product is ready for wheels, then we start the next.

What we need from you

  • Arrange parking or a loading space
  • Clear stock, furniture or equipment away from the joints
  • Send your site hours and access windows

Quotes

Send details, get a quote, we seal, guaranteed: that’s how every job runs. To take the first step, call 01277 525 020 or email a schedule or drawings.

Ask for a quote

Related advice

When it isn’t the sealant

Not every problem is a sealant problem, and we’d rather tell you before you spend money. These need a different solution:

  • Spalled arrises, which need an edge repair first
  • Cracks across panels caused by settlement or overload
  • Slab panels that rock or move under load

Not sure which it is? You can call 01277 525 020 or use the quote form and we will tell you honestly.

What we seal

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

Upper Edmonton: questions and answers

Can you work at a site such as Compass West Industrial Estate, by Upper Edmonton?

Yes. We cover Upper Edmonton and the area around it, including industrial estates, business parks and retail parks such as Compass West Industrial Estate. A few photographs and the unit address let us price the work.

Can you work on a hospital site such as North Middlesex University Hospital?

Yes. We work in healthcare settings as well as offices and schools. Work is phased so departments keep running, under the site’s own rules.

Do your applicators hold CSCS cards?

Yes. We use CSCS-carded applicators, as many construction sites ask for.

Which sealant will you use?

Where there’s a specification, we use the product it names. Otherwise, we recommend a product to suit the joint’s movement, the substrate and the conditions, following the manufacturer’s guidance.

Can you work to our specification?

Yes. Include it with the drawings when you ask for a quote, and we will price the work to it, flagging anything that needs clarifying.

Will we need to close the floor?

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.

When is resealing likely to be due?

Nobody can honestly give a figure in years, since movement, weather, cleaning and use all affect it. Regular checks let you plan resealing before leaks or damage.

Accreditations

Trusted. Accredited. Insured.