Greater London · England

Floor Joint Sealing in Sutton Common

Floor joint sealing across Sutton Common and nearby, with every bit of old sealant taken out first.

  • Open gaps along the bottom of skirting boards
  • Dirt and water collecting in open floor joints
  • Grout used at the floor edge instead of sealant

Trusted floor joint sealing in Sutton Common

About our floor joint sealing in Sutton Common

Gaps along the bottom of skirting are common in new and older homes alike. Caulk tends to crack there, so we close it with a flexible sealant instead. We work on commercial floors, thresholds and concrete floor joints, and people most often call us about grout cracking in a straight line across a floor and rigid edge joints in tiled floors.

London homes range from new-build flats to period conversions with new floors laid over old boards. Every joint between floor, skirting and threshold has to cope with some movement.

Every job comes with a one-year guarantee, wherever you are in Greater London.

Eleven members of the Mr Mastic team standing in front of branded white vans
Place
Sutton Common (SM4, SM3, SM1)
Region
Greater London
Cover
A year, on every job
Quote
Quoted before any work starts
Phone
0345 464 0079
Page updated
26 October 2026

What happens on the day

You don’t need to clear the whole room or building before we come, only the area right around the joints. Everything nearby is protected, and the job takes a morning or an afternoon for most homes for a typical job. In a London area like Sutton Common, the main things to plan are parking and access: let us know about parking, the floor we will be working on and any lift or shared entrance.

  1. We start by checking the floor, the joint and what traffic it takes.
  2. We remove what’s in the joint now.
  3. We vacuum out the joint and add backing where the depth needs setting.
  4. The chosen sealant goes in, coloured to suit the floor.
  5. The joint is tooled neatly and the cure time explained.

Preparing for the visit

  • Clear the area around the work
  • Let us know about stairs, lifts or work at height
  • Mention any sign-in or site rules at work premises

Getting a quote

For floor joint sealing in Sutton Common, ring 0345 464 0079 or drop us an email. Tell us what the problem is and where, and we will agree the price before any work begins.

Get a price

Read more

What happens if it’s left?

Filling a skirting gap with caulk looks fine at first, but the movement soon cracks it. A flexible sealant stretches instead, so the joint stays closed. 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 Sutton Common, the repair is bigger than the sealant job would have been.

Rather than a set price list, we look at what your job involves: the amount of work, the old material and the access. The price is agreed before we begin.

Why choose Mr Mastic in Sutton Common

  • You choose the colour before work begins
  • Anti-fungal silicone where joints get wet
  • A choice of colours where the product allows
  • Old sealant always removed completely

Read how sealant jobs are priced and customer reviews.

Looking after it afterwards

Looking after new joints is easy:

  • Keep floor cleaning water to a minimum at the edges
  • Check the sealant is paintable before decorating
  • Mark off resealed joints in warehouses
  • Act on grout cracks that run in a straight line

Avoid flooding the floor when you clean. Keeping the edges drier helps the sealant last longer.

Once concrete joint edges start to break, wheels make it worse. Sealing them early protects the edges and the surface smoother.

Joints and finishes in Sutton Common homes

Many of London’s new homes are flats in bigger developments, where snags may need reporting through the developer or the managing agent. Across Greater London, floors range from older suspended timber floors to concrete slabs in newer homes and commercial units, and each moves in its own way. That is why the skirting and threshold joints need a flexible seal.

If you look after a building such as Abbey Primary School, entrance and corridor floor joints take a lot of traffic. Letting a property close to St Helier station? Then a tidy floor and skirting joint helps a rental look ready for the next tenant. Sutton Common is in London, so parking needs planning: let us know about parking bays, permits or a driveway.

Sutton Common is about 3 miles south of Wimbledon, in Greater London. From the centre of Sutton Common to the outskirts, floor joint sealing is available for homes and businesses alike, from flats and houses to offices and hotels. Sutton Common is one of 764 towns and villages in Greater London we cover for floor joint sealing. For nearby work, see our London page.

Work in SM4, SM3 and SM1 works the same way as everywhere else we cover. We cover properties on Fir Road, Ash Road and Love Lane and the roads around them. If you are just outside Sutton Common, we cover Morden (1 mile north-west), Lower Morden (1 mile west), North Cheam (1 mile south-west), Cuddington (2 miles south-west) and Stoneleigh (2 miles south-west). We also work in nearby towns such as London (9 miles north-east), City of Westminster (9 miles north), Marylebone (10 miles north), Kensington (8 miles north), St Pancras (10 miles north) and Shoreditch (11 miles north-east).

Local landmarks in Sutton Common

Typical jobs here are in homes near Lord Nelson pub, Merton College and Glenthorne High School. There’s a railway station in Sutton Common itself: St Helier station. A little further out are Wandle Industrial Museum (1.9 miles north-east) and St Helier Hospital (0.7 miles east). Open spaces near Sutton Common include Henman Hill and Morden Park (park).

Map of Sutton Common © OpenStreetMap contributors

FAQs for Sutton Common

Do you work for landlords with property near St Helier station?

Yes. We work for letting agents and landlords as well as homeowners. Just call 0345 464 0079 or send us an email with the address and what needs doing, and we’ll give you a clear quote.

Do you cover Sutton Common for floor joint sealing?

Yes. Our work covers London and the South East, and Sutton Common is part of that. Just call 0345 464 0079 or drop us an email with a few details of the job.

How do I get a quote for floor joint sealing in Sutton Common?

Every job is different, so each one gets its own quote. For a quick quote, call 0345 464 0079 or drop us an email with a short description of the job.

What should I tell you?

The location, the problem and the rough size of the job. Photos by email help too.

Does someone need to be in?

That depends on where the joints are. Inside work needs someone to give us access, while outside work can sometimes be arranged differently.

Do you use a paintable sealant?

Where the skirting will be painted, we can use a flexible sealant that takes paint. Silicone is not made to be painted, so it’s kept for wet areas and unpainted joints.

Is there any odour?

That depends on the sealant. Some products have a noticeable smell, others very little.

What do you put in the joint?

The product depends on the job: anti-fungal sanitary silicone in wet areas, and other sealants where joints move or face the weather. We use products from Arbo and Everbuild.

Surface by surface

Concrete floor joints

Old filler, dust and debris are cleaned out of the joint first. Backing goes in where the depth needs controlling.

Wet room and bathroom floors

Floor joints in bathrooms take water every day. We seal them with anti-fungal sanitary silicone to keep water out of the edges.

How we quote for floor joint sealing

Jobs vary more than people expect. The main factors:

  • How much old sealant there is and how hard it is to remove
  • Working hours on commercial sites
  • Mould in or behind the old joints
  • How easy the joints are to reach

We do not show prices on the website, because the cost depends so much on the job itself. For a quick quote, please phone 0345 464 0079 or email us.

What we need to know

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

  • How we’d reach the joints
  • Roughly how big the job is
  • Whether it has been sealed before
  • Where the property is

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 will send you a clear quote before any work starts.

DIY sealant or a professional job?

If you are set on DIY, put the effort into preparation: take out all the old sealant, make sure the joint is clean and dry, and give it the full cure time. If it fails, we can still redo it.

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. All the old material has to come out first.

What we cannot put right

Sealant is not the answer to every problem, and we’d rather say so up front. Sealant won’t put right:

  • Floors that are uneven or need levelling
  • Large cracks that need a surveyor
  • Loose, hollow or cracked tiles, which need a tiler

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

Joints and surfaces we work on

  • Skirting boards
  • Tiled floors
  • Thresholds
  • Wet room & bathroom floors
  • Concrete floor joints
  • Commercial floors
20+ yearsMastic and sealant specialists
ARBOMaster approvedApproved applicator for Arbo sealants
Fully insuredDomestic, commercial and hotels
One-year guaranteeOn every job