Greater London · England

The Hyde Floor Joint Sealing

Floor joint sealing for The Hyde, by sealant specialists with 20+ years’ experience. 180+ five-star Google reviews and a 4.9 rating.

  • Open joints that fill with dirt
  • Gaps at thresholds between rooms
  • Cracked caulk along skirting in bathrooms and kitchens

Trusted floor joint sealing in The Hyde

Floor joint sealing in The Hyde

Painted skirting can be sealed with a flexible product that can be painted over. In wet areas we’d normally use silicone because it handles water. Common call-outs are for chipped and open joints in warehouse floors and failed seals where bathroom floors meet baths and panels, across skirting boards, thresholds and concrete floor joints.

London homes range from new-build flats to period conversions with new floors laid over old boards. Wherever a floor meets a wall, a skirting or a threshold, the joint has to allow for movement.

We stand behind the work with a 12-month guarantee.

The Mr Mastic team in navy uniforms in front of three Mr Mastic vans
Location
The Hyde (NW9, NW4)
Wider area
Greater London
Guarantee
One year on every job
Quotes
Quoted before any work starts
Telephone
0345 464 0079
Page updated
26 October 2026

Keeping the joints in good condition

Aftercare is simple, and it makes a real difference:

  • Don’t paint over silicone
  • Act on grout cracks that run in a straight line
  • Mark off resealed joints in warehouses
  • Avoid sloshing water against skirting

Check the joints after the first winter. If anything has opened, it’s easy to reseal early on.

Once concrete joint edges start to break, wheels make it worse. Early resealing helps keep the joint intact and the floor safer.

DIY versus a professional finish

Too much sealant is as bad as too little. A thick, smeared bead looks untidy and doesn’t move well, and getting the depth right matters as much as the look.

What a professional job adds is preparation and the right product. We take joints back to clean, dry surfaces, and the sealant is matched to the joint and its conditions, and the work is guaranteed for a year.

When to call us in The Hyde

Caulk is the usual filler for skirting. In a joint that moves or gets wet, it splits so the gap reappears.

The problems people usually mention when they call include:

  • Gaps at thresholds between rooms
  • Tiled floors with no room to move
  • Concrete floor joints that have broken down
  • Open gaps along the bottom of skirting boards

For landlords with property near Hendon station, gaps at skirtings and thresholds are worth sealing between tenancies.

Questions to ask before you book

  • How the joint is cleaned and prepared
  • What happens if the job turns out different
  • Whether the sealant suits the joint
  • What guarantee comes with the work

Our hiring checklist

Quotes for floor joint sealing in The Hyde

There’s no set price list, because jobs vary so much. What we look at:

  • Working hours on commercial sites
  • How many areas need sealing
  • Whether there’s mould to deal with
  • Access and height

The cost reflects the work involved, not a rough estimate. That’s why we ask a few questions first and send you a clear quote before we start.

Asking for a quote

Photos by email are helpful but not essential. Please mention:

  • Where the property is
  • A few photos by email, if you can
  • If someone has resealed it before
  • The problem you’ve noticed

For a quote, call 0345 464 0079 or send us an email and tell us where the job is and what the problem looks like. We’ll send you a clear quote before any work starts.

The Hyde: your questions answered

Can parking be tricky for a visit in The Hyde?

Parking in The Hyde, as in most of London, takes a little planning: a visitor permit or a bay close to the door helps a lot.

Can you do floor joint sealing in The Hyde?

Yes. We work across London and the South East, and The Hyde is part of that. You can phone 0345 464 0079 or send us an email and let us know what needs doing, and we will give you a clear price.

Can you do several jobs on one visit?

Yes, and it often makes sense. Combining jobs makes good use of the visit.

Do you guarantee your work?

Yes, for a year. If there’s a problem with our work in that time, tell us and we’ll put it right.

I’m a tenant. Can you help?

Yes, though it’s best to check with your landlord first. Landlords are often happy for the work to be arranged.

What do you need from me for a quote?

Just the basics: the address or postcode, what’s wrong and any access issues. After that, simply ring 0345 464 0079 or drop us an email.

My floor grout keeps cracking in a line. Can you help?

Often, yes, at the edges and along suitable lines. The grout is raked out and replaced with a flexible sealant in a colour to suit.

Can you match the sealant colour?

Generally, yes. Sealants come in white, clear, grey and other colours for many products, and we agree the colour with you before work begins.

How the job changes by surface

Concrete floor joints

Hard wheels break down the edges of open joints. Sealing them supports the edges and keeps dirt out.

Commercial floors

Shops, offices, warehouses and units all have floor joints that need sealing. The sealant is chosen for the traffic the floor takes.

Floor joint sealing in The Hyde: local notes

Floors around Greater London run from suspended timber in older homes to concrete in newer houses and units, and they don’t all move the same way. The joint at the skirting or threshold has to allow for that. Much of London’s new housing is flats in larger developments, where snagging may go through the developer or managing agent.

Community buildings like St Matthias the Apostle church are part of the picture too: joints in its floors, skirtings and thresholds need resealing as they wear. If you look after a building such as The Hyde School, entrance and corridor floor joints take a lot of traffic.

The Hyde is about 2 miles north of Neasden, in Greater London. Anywhere in NW9, our applicators can take on floor joint sealing. Across Greater London, we cover 764 places, The Hyde among them. You can also see our page for London, roughly 9 miles from The Hyde.

Jobs for floor joint sealing in NW9 and NW4 works the same way as everywhere else we cover. If you need floor joint sealing at a property on Alpini Road, Catkin Road and Garrick Road or anywhere close by, our applicators can take on the job. You will find The Hyde on the A5, so it’s easy for us to get to. Neighbouring places we cover for floor joint sealing include West Hendon (1 mile north), Colindale (1 mile north), The Burroughs (1 mile north-east), Hendon (1 mile east) and Staples Corner (1 mile south-east). Larger places within reach include 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).

Local landmarks in The Hyde

We work in homes and buildings around Moon Under Water pub, Brampton College and West Hendon Playing Fields. The Hyde has its own railway station: Hendon station. A little further out are St Andrew's Hospital (1.5 miles south-east) and Church Farmhouse Museum (1.1 miles north-east). For a walk, there’s Parliament Hill and Darland's Lake.

Map of The Hyde © OpenStreetMap contributors

Why it’s worth doing now in The Hyde

Caulk is quick and cheap, but it cracks where the joint moves or gets wet, but the movement soon cracks it. A flexible sealant stretches instead, so the joint stays closed. In older London homes, water behind a failed joint soaks into brick and timber without much sign, and by the time it shows on a wall or ceiling in The Hyde, the repair is bigger than the sealant job would have been.

What it costs depends on the size of the job, how much old material has to come out and how easy the joints are to reach. We give a clear quote before work begins, so you know where you stand.

Why choose Mr Mastic in The Hyde

  • 12-month guarantee on every job
  • Colour picked to suit the job
  • Approved under the ARBOMaster scheme
  • Sanitary silicone with an anti-fungal additive in wet areas

Take a look at how sealant jobs are priced or what customers say.

How it works

You do not need to clear the whole room or building, only the area right around the joints. We protect the rest, and the job takes a morning or an afternoon for most homes for a typical job. Parking in much of London is by permit or pay-and-display, so it helps to know what’s near you in The Hyde. A visitor permit or a nearby bay makes the visit run more smoothly.

  1. We look at the gap and the floor type and agree the right sealant.
  2. We take out any old caulk, sealant or grout along the line.
  3. We clean and vacuum the joint and fit backing where the depth needs setting.
  4. The sealant goes in, chosen for the floor and coloured to suit it.
  5. Finally we tool it smooth and explain when the floor can be used and cleaned.

Before we arrive

  • Clear the area around the work
  • Mention any leaks or damp you’ve noticed
  • Let us know about stairs, lifts or work at height

Get a quote

If you’re in The Hyde and need floor joint sealing, ring 0345 464 0079 or email us. Tell us what the problem is and where, and we’ll agree the price before any work begins.

Get a quick quote

Related advice

20+ yearsMastic and sealant specialists
ARBOMaster approvedApproved applicator for Arbo sealants
Fully insuredDomestic, commercial and hotels
One-year guaranteeOn every job