Greater London · England

Floor & skirting joints in Kilburn, Greater London

Professional floor joint sealing in and around Kilburn, with every bit of old sealant taken out first and a 12-month guarantee.

  • Floor edges that trap water and grime
  • Gaps opening between the floor and skirting
  • Rigid edge joints in tiled floors

Trusted floor joint sealing in Kilburn

Floor joint sealing in Kilburn

Thresholds are where two floors, or a floor and a door, meet. We use a flexible product that suits both floors in a colour to suit. We work on skirting boards, wet room & bathroom floors and thresholds, and people most often call us about threshold joints that have opened or worn and tiled floors with no room to move.

Much of London’s new housing is flats in larger developments. In a new development, snags are often reported through the developer or the managing agent, and shower seals that fail early, skirting joints that open up and gaps at thresholds are all common snags.

A one-year guarantee comes with the work, just as it does everywhere we cover.

Location
Kilburn (NW6, W9, W10)
Wider area
Greater London
Guarantee
One year on every job
Quote
A clear quote up front
Phone
0345 464 0079
Last updated
26 October 2026
The Mr Mastic team in navy uniforms in front of three Mr Mastic vans

For landlords and businesses

We also work for businesses, from offices to washrooms and kitchens. For commercial premises, we can talk through working times when we quote.

We regularly work with letting and managing agents. Send the address, what’s needed and the access arrangements and we will quote.

What floor joint sealing looks like in Kilburn

Floors around Greater London run from suspended timber in older homes to concrete in newer houses and units, and each moves in its own way. That is why the skirting and threshold joints need a flexible seal. Much of London’s new housing is flats in larger developments, where snags may need reporting through the developer or the managing agent.

For buildings such as St Anne's and St Andrew's, floor and skirting joints in halls and kitchens wear like any others. If you let a flat or house near Queens Park (London) station, gaps at skirtings and thresholds are worth sealing between tenancies. If you look after a building such as Salusbury Primary School, entrance and corridor floor joints take a lot of traffic.

Kilburn is about 3 miles north-west of City of Westminster, in Greater London. Jobs in Kilburn get the same care as everywhere else we work: the old material taken out, joints prepared properly and a 12-month guarantee. Kilburn is one of 764 places in Greater London we cover for floor joint sealing.

Here we cover the NW6, W9 and W10 postcode area for floor joint sealing. Floor joint sealing is available to properties on The Lane, Dyne Road and Quex Road and the roads around them. You’ll find Kilburn on the A4003, so it’s easy for us to get to with everything needed for floor joint sealing. We also cover Queen's Park (1 mile south), Kensal Rise (1 mile south-west), Brondesbury (1 mile north), Kensal Town (1 mile south) and Kensal Green (1 mile south-west). Within a short drive, we also cover London (5 miles south-east), City of Westminster (3 miles south-east), Marylebone (3 miles south-east), Kensington (3 miles south), St Pancras (4 miles east) and Shoreditch (5 miles east).

Around Kilburn

Locally, jobs take us to homes and businesses close to The Brondesbury Arms, Maida Vale School and Queen’s Park, among other places. Kilburn has its own railway station: Queens Park (London) station. Nearby you will also find Paddington General Hospital (1 mile south) and Brent Museum and Archives (1.3 miles north-west). Not far away are Greville Place nature reserve and Primrose Hill.

Map of Kilburn © OpenStreetMap contributors

What affects the quote in Kilburn

The quote reflects the job in front of us. We take into account:

  • Mould in or behind the old joints
  • How many rooms, windows or areas are involved
  • Access and height
  • The number and length of the joints

A failed joint rarely gets cheaper to fix by waiting, as water and mould keep getting in. If you are not sure whether it needs doing, call 0345 464 0079 or drop us an email and we will give you an honest view and a quote.

Helping us quote

The more you tell us, the more accurate the quote. When you get in contact, it helps to mention:

  • If someone has resealed it before
  • Photos by email, if that’s easy
  • Whether it’s a home or a business
  • What the problem is, such as mould, gaps, leaks or cracking

A good description makes for an accurate quote. Tell us where the job is, what’s wrong and how much there is, and email pictures if that’s easy.

Keeping the joints in good condition

Simple care keeps the joints in good condition. We recommend:

  • Do not paint over silicone
  • Keep floor cleaning water to a minimum at the edges
  • Cone off fresh joints until they’re ready
  • Act on grout cracks that run in a straight line

Follow the cure time before walking on or cleaning the joint. Light foot traffic is normally fine sooner than wet cleaning or wheels, and we’ll tell you both.

Sealing a gap while it’s small is a quick job. Left alone, they collect dirt and widen and are harder to clean out.

Kilburn: your questions answered

I let a flat near Queens Park (London) station. Can you help?

Yes, rental work is part of what we do. You can ring 0345 464 0079 or drop us an email with the address and a few details, and we’ll give you a fixed price before we start.

Is parking an issue for floor joint sealing in Kilburn?

Parking in Kilburn, as in most of London, takes a little planning: a visitor permit or a nearby bay makes the day run more smoothly, so mention what’s available when you book.

What information do you need?

Only a few details: where it is, what you’ve noticed and how we reach it. After that, simply phone 0345 464 0079 or send us an email.

Can you seal over the old sealant?

No, because it fails. We remove every bit of old sealant first, so the new sealant bonds properly.

Why does the gap under my skirting keep coming back?

Floors and walls move a little with the seasons, and new floors settle. A flexible sealant closes the gap without cracking like caulk.

Do you hold any approvals?

Yes. We are approved under the ARBOMaster scheme, the approved applicator scheme for Arbo sealants.

Is it messy?

We keep the work tidy. We protect what’s around the joints, and we clear up when we’re done.

Do the sealants smell?

Sometimes, a little. It fades as the sealant cures, and ventilation helps.

Why deal with it now?

Regrouting a cracked line in a tiled floor rarely fixes it. If the floor needs to move there, the grout will crack again. A flexible movement joint is the fix. Damp from a failed joint spreads quietly in older London brickwork and timber, and by the time it shows on a wall or ceiling in Kilburn, the repair is bigger than the sealant job would have been.

Every job is a little different, so we quote each one individually. Size, access and the product the joint needs all play a part, and we will explain the quote if you ask.

Why book with us

  • More than 20 years in sealant work
  • Colour agreed with you before any work starts
  • Any old sealant cut out fully, not covered over
  • We’re fully insured

Take a look at how sealant jobs are priced and our reviews.

How it works

All our tools and materials come with us in the van, so you don’t need to buy or prepare anything. After a quick look at the joints together, the area is protected and the work begins. It normally takes a morning or an afternoon for most homes. Many London jobs are in flats, so we come ready for stairs, narrow hallways and shared entrances. If the building has a concierge, managing agent or access rules, tell us when you book.

  1. We start by checking the floor, the joint and what traffic it takes.
  2. Any old caulk, grout or sealant is raked or cut out.
  3. The joint is vacuumed clean and backing fitted where needed.
  4. We apply the sealant in a colour that suits the floor.
  5. We tool it neatly and tell you when it can be walked on and cleaned.

How to prepare

  • Clear the area around the work
  • Mention any parking rules near the property
  • Try not to wet indoor joints just before the visit

Ask for a quote

We do not publish a price list. Instead, we send you a clear quote for your job. To arrange one, call 0345 464 0079 or email us.

Get a price

Advice

What sealant work can’t fix

New sealant cannot fix everything, and we’d rather say so up front. It won’t solve:

  • Large cracks that need a surveyor
  • Cracked or broken concrete slabs
  • Failed waterproofing under a wet room floor

Not sure which it is? You can call 0345 464 0079 or send us an email and we’ll tell you honestly before you book.

Surfaces we seal

  • Concrete floor joints
  • Thresholds
  • Wet room & bathroom floors
  • Skirting boards
  • Commercial floors
  • Tiled floors

Surface by surface

Thresholds

Where a tiled floor meets timber or carpet, the joint takes movement from both sides. We bridge them with a flexible bead.

Commercial floors

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

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