Greater London · England

South Ruislip Floor Joint Sealing

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

  • Skirting caulk that keeps splitting
  • Chipped and open joints in warehouse floors
  • Failed seals where bathroom floors meet baths and panels

Trusted floor joint sealing in South Ruislip

Different surfaces, different methods

Skirting boards

Gaps between skirting and floor open as timber and floors move. We seal them with a flexible sealant rather than caulk painted or coloured to match.

Commercial floors

Commercial floors take more traffic than most homes. The sealant is chosen for the traffic the floor takes.

How we handle floor joint sealing in South Ruislip

Wet-area floor joints keep water out of the gap behind skirting and plinths. A flexible silicone seal keeps it out. We work on commercial floors, thresholds and concrete floor joints, and common reasons people get in touch are perimeter joints in tiled floors filled with grout and open joints around bathroom floor edges.

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 failed shower seals, open skirting joints and gaps at thresholds are typical.

Your job is guaranteed for a year, as with all our work.

Where
South Ruislip (HA4, UB5, HA2)
Wider area
Greater London
Cover
12 months on all our work
Price
A clear quote up front
Phone
0345 464 0079
Updated
26 October 2026
The Mr Mastic team in navy uniforms in front of three Mr Mastic vans

Why act early in South Ruislip

An open concrete floor joint gets wider every time something heavy crosses it. Resealing it early protects the edges. 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 South Ruislip, the repair is bigger than the sealant job would have been.

Commercial jobs are quoted on the same basis as homes: the amount of work, how we reach it and what it needs. Ask us for a quote and we will explain what it covers.

What you get with us

  • Fully insured
  • 180+ five-star Google reviews
  • White, clear, grey or coloured to suit, where the product allows
  • We never seal over old sealant

See what affects the cost and our reviews.

How to look after the new joints

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

  • Use a well-wrung mop rather than flooding the floor
  • Keep dirt out of the joints
  • Do not slide heavy items over sealed joints
  • Act on grout cracks that run in a straight line

Don’t paint over silicone. If you plan to paint, we’ll use a paintable product.

Water getting into floor joints in bathrooms and kitchens can damage what’s underneath. A sound seal stops that happening.

How it works

Most of a good job is in the preparation, so that is where we spend the time. Joints are cleaned back and dried before anything new goes in. All told, the work takes a few hours, depending on the length of joint. In South Ruislip, as in most of London, parking needs a little planning. A visitor permit or a nearby bay makes the visit run more smoothly.

  1. We start by looking at the floor, the gap and the traffic, then choose the product.
  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. A flexible sealant, or a floor-joint sealant for concrete, is applied in a colour to suit.
  5. The joint is tooled to a neat finish and we tell you when it can take feet and a mop.

How to prepare

  • Plan for the work area to be out of bounds to pets and children
  • Mention any tricky access
  • Where the joints are inside, avoid wetting them before we arrive

Ask for a quote

Quotes start with a quick conversation. Tell us what’s wrong, where it is and how much there is, and we’ll talk you through what we’d do. When it suits you, ring 0345 464 0079 or email us.

Ask for a quote

Advice

Common questions in South Ruislip

Do you work for landlords with property near South Ruislip station?

Yes, rental work is part of what we do. Just call 0345 464 0079 or send us an email and tell us about the property, and we will give you a clear price.

Can you do floor joint sealing in South Ruislip?

Yes, South Ruislip is within the area we cover. We work across London and the South East. You can ring 0345 464 0079 or send us an email and tell us what needs doing.

Can new sealant go over the old?

No. New silicone will not bond to old silicone, and anything trapped underneath, including mould and water, stays there. It all has to come out first.

What information do you need?

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.

Can you quote for more than one area?

Yes. Tell us about everything you’d like done.

Should I try DIY first?

It depends on the job. Work at height, movement joints, fire-rated gaps and large areas are best left to a professional, while a short indoor joint may be within reach.

How long does floor joint sealing take?

Most jobs take a few hours, depending on the length of joint, including preparation and clearing up. We’ll confirm how long when we quote.

Do you seal warehouse floor joints?

Yes, including warehouses, units, shops and offices. We can plan around your opening times with out-of-hours work where needed.

Work for landlords, hotels and businesses

Businesses can book us for washrooms, kitchens, offices and more. On commercial sites, working times can be discussed when we quote.

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

Joints and finishes in South Ruislip homes

Across Greater London, floors range from older suspended timber floors to concrete slabs in newer homes and commercial units, and they don’t all move the same way. That’s why the skirting and threshold joints need a flexible seal. Many of London’s new homes are flats in bigger developments, where snagging may go through the developer or managing agent.

For site and facilities teams at buildings such as Deanesfield Primary School, floor and threshold joints in busy corridors wear quickly and are best resealed early. As a London address, South Ruislip can be tricky for parking: tell us about permits, visitor bays or off-street space when you book. For buildings such as Church of St Mary, floor and skirting joints in halls and kitchens wear like any others.

South Ruislip is about 1 mile south-east of Ruislip, in Greater London. South Ruislip gets the same service as everywhere we cover: the old material taken out, joints prepared properly and a 12-month guarantee. South Ruislip is one of 764 towns and villages in Greater London we cover for floor joint sealing. We also work in London, around 13 miles away.

Here we cover the HA4, UB5 and HA2 postcode area for floor joint sealing. We cover properties on Crown Road, Nairn Road and Palace Road. We also cover the places around South Ruislip: Northolt (1 mile south-east), Roxbourne (1 mile north), Rayners Lane (1 mile north-east), South Harrow (2 miles east) and Eastcote (2 miles north). Within a short drive, we also cover London (13 miles east), City of Westminster (11 miles east), Marylebone (11 miles east), Kensington (9 miles south-east), St Pancras (12 miles east) and Shoreditch (14 miles east).

Landmarks near South Ruislip

Locally, jobs take us to homes and businesses close to Northala Fields, The Black Bull pub and Queensmead School, among other places. There’s a railway station in South Ruislip itself: South Ruislip station. Other landmarks nearby include Clementine Churchill Hospital (2.7 miles east) and Heath Robinson Museum (2.4 miles north). For a walk, there’s Middle Lake and Islip Manor Meadows.

Map of South Ruislip © OpenStreetMap contributors

Should I try it myself first?

Sealing over old silicone is the commonest DIY error. Silicone does not stick to old silicone, 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.

What affects the quote in South Ruislip

Some jobs are bigger than they look, and some smaller. The main factors:

  • How many rooms, windows or areas are involved
  • How much old sealant there is and how hard it is to remove
  • Whether the work is at height
  • Whether there’s mould to deal with

Every job is a little different, so we quote each one individually. Size, access and the product the joint needs all make a difference, and we’ll explain the quote if you ask.

Asking for a quote

There’s no need for technical detail. Just tell us:

  • The rough size of the job
  • How we’d reach the joints
  • The address or postcode of the job
  • Photos by email, if that’s easy

The more we know about the job, the more useful the quote. Let us know the location, the problem and roughly how many joints, and email pictures if that is easy.

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