Greater London · England

Floor & skirting joints in Hounslow, Greater London

Floor joint sealing in Hounslow from a team with over 20 years’ experience. 180+ five-star Google reviews and a 4.9 rating.

  • Failed seals where bathroom floors meet baths and panels
  • Tiled floors with no room to move
  • Grout used at the floor edge instead of sealant

Floor joint sealing near Hounslow

Floor joint sealing in Hounslow

Concrete floors in warehouses and units have joints that take heavy wear. We reseal them with a product chosen for the movement and the traffic. Typical jobs include perimeter joints in tiled floors filled with grout and grout cracking in a straight line across a floor, across wet room & bathroom floors, concrete floor joints and thresholds.

Much of London’s new housing is flats in larger developments. Snagging there often goes through the developer or managing agent, and failed shower seals, open skirting joints and gaps at thresholds are typical.

Each job carries a 12-month guarantee, whatever its size.

Place
Hounslow (TW13)
Region
Greater London
Cover
A year, on every job
Quotes
Quoted before any work starts
Telephone
0345 464 0079
Last updated
26 October 2026
The Mr Mastic team in navy uniforms in front of three Mr Mastic vans

Should I try it myself first?

Sealing over old silicone is the commonest DIY error. New silicone will not bond to old, so it peels away and traps moisture behind it. Everything old must be removed first.

The difference is mostly in the preparation and the product. We take joints back to clean, dry surfaces, and the sealant is chosen for how the joint moves and where it is, and the work is guaranteed for a year.

For landlords and businesses

We work for landlords and agents as well as householders. Resealing between tenancies keeps a property looking cared for before the next move-in.

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

What we do, step by step

All our tools and materials come with us in the van, so you don’t need to buy or prepare anything. Once we’ve agreed what’s being done, we protect the area and start. It normally takes a few hours for most rooms, longer for large commercial floors. For a job in Hounslow, parking and access are the things to plan: tell us about permits, visitor bays or off-street space, which floor we’re working on and whether there’s a lift.

  1. The room is cleared along the joints so we can reach them.
  2. Old material is removed from the joint.
  3. Edges are cleaned and dried.
  4. We apply a flexible sealant suited to the floor and tooled.
  5. Finally, we check the work and talk you through aftercare.

Preparing for the visit

  • Try not to wet indoor joints just before the visit
  • Clear items away from the joints we’re working on
  • Let us know about earlier repairs to the joints

Ask for a quote

Quotes start with a quick conversation. Describe the problem, the location and the size of the job, and we’ll explain how we’d tackle it. Whenever you are ready, phone 0345 464 0079 or send us an email.

Get a quick quote

Read more

Aftercare tips

No joint lasts for ever, but care makes a real difference. A few tips:

  • Keep dirt out of the joints
  • Act on grout cracks that run in a straight line
  • Keep caulk for dry, still joints only
  • Lift furniture rather than dragging it across joints

Keep heavy traffic off resealed concrete joints for the cure time we give you. Mark the area off so drivers avoid it until it’s ready.

In wet areas, an open floor joint lets water reach the subfloor. Resealing early keeps it out.

FAQs for Hounslow

Do you cover Hounslow for floor joint sealing?

Yes, Hounslow is within the area we cover. We work across London and the South East. You can call 0345 464 0079 or drop us an email and let us know what needs doing, and we will send you a clear quote.

Is parking an issue for floor joint sealing in Hounslow?

Parking in Hounslow, 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.

Are you ARBOMaster approved?

Yes. We’re an ARBOMaster approved applicator.

I rent my home. Can I book you?

Yes. Ask your landlord first, and we can send them the quote if that helps.

Do I have to be there?

If the work is inside, we need someone to let us in. Once we have agreed the job, you don’t need to watch us work.

Do you take out the old sealant first?

Yes, every time. New silicone doesn’t stick to old silicone, so any old material comes out before anything new goes in.

Is caulk good enough for skirting?

Because caulk cracks where there’s movement or water. Skirting joints move with the floor, so a flexible sealant suits them better.

Do you have insurance?

Yes. Full insurance covers our work, and we can confirm the details when we quote.

What affects the cost of floor joint sealing

Your quote is based on your job. We take into account:

  • Any mould that needs treating
  • The number of rooms or windows
  • Working hours on commercial sites
  • The size of the job

What you pay reflects the work, not a rough estimate. That’s why we ask about the job first.

Helping us quote

Photos help, but a description is a good start. Please mention:

  • Where the property is
  • If it’s domestic, commercial or a hotel
  • Photos by email, if that is easy
  • What the problem is, such as mould, gaps, leaks or cracking

A good description makes for an accurate quote. Let us know the location, the problem and roughly how many joints, and email photos if that’s easy.

Surface by surface

Commercial floors

Commercial washrooms and kitchens have floor joints that get wet constantly. We reseal them with a sealant suited to wet areas.

Tiled floors

Tiled floors need movement joints at edges and across large areas. We replace grout with flexible sealant along the right lines in a matching colour.

What we cannot put right

To be straight with you, there are a few things sealant will not fix:

  • Tiles that have lifted or broken
  • Damaged concrete that needs breaking out and repairing
  • Large cracks that need a surveyor

If in doubt, ring 0345 464 0079 or send us an email and we will say what we think before you book.

What we seal

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

What floor joint sealing looks like in Hounslow

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. 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.

If you look after a church, hall or community building such as Church of St Dunstan, joints in its floors, skirtings and thresholds need resealing as they wear. Schools such as Meadhurst Primary School are buildings too, and floor joints in corridors, halls and entrances take heavy wear and need resealing before the edges break up. Hounslow is in London, so parking needs planning: tell us about permits, visitor bays or off-street space when you book.

Hounslow is about 1 mile north of Sunbury-on-Thames, in Greater London. Jobs in Hounslow get the same care as everywhere else we work: the old material taken out, joints prepared properly and a 12-month guarantee. Hounslow is one of 764 towns and villages in Greater London where we work for floor joint sealing. You can also see our page for London, about 15 miles away.

Work in TW13 is quoted and booked the same way as anywhere else. Close by, we work in Ashford Common (1 mile south-west), Littleton Common (1 mile south-west), Sunbury-on-Thames (1 mile south), Feltham (1 mile north-east) and Bedfont (1 mile north). We also work in nearby towns such as London (15 miles east), City of Westminster (13 miles north-east), Marylebone (14 miles north-east), Kensington (11 miles north-east), St Pancras (15 miles north-east) and Hampstead (14 miles north-east).

Around Hounslow

Locally, jobs take us to homes and businesses close to Sunbury Park, Sunbury Manor School and Sunbury Manor School and the streets around them. For rail, the closest station is Sunbury station, about 0.9 miles south-east of the centre. Well-known places in the area include Treaty Centre (3.8 miles north-east) and Ashford Hospital (1.9 miles north-west). For a walk, there’s St Ann's Hill and Staines Reservoirs.

Map of Hounslow © OpenStreetMap contributors
20+ yearsMastic and sealant specialists
ARBOMaster approvedApproved applicator for Arbo sealants
Fully insuredDomestic, commercial and hotels
One-year guaranteeOn every job