Southampton · England

Floor & skirting joints in Highfield, Southampton

Problem with your floor joints in Highfield? We cut out the old, prepare the joints and apply the right sealant, with a one-year guarantee.

  • Gaps opening between the floor and skirting
  • Grout cracking in a straight line across a floor
  • Rigid edge joints in tiled floors

Floor joint sealing near Highfield

Floor joint sealing for homes and businesses in Highfield

Thresholds are where two floors, or a floor and a door, meet. We seal them with a flexible sealant suited to the floor finishes either side in a colour to suit. Typical jobs include failed seals where bathroom floors meet baths and panels and gaps at thresholds between rooms, on thresholds, skirting boards and concrete floor joints.

If you’ve bought a new home in or near Highfield, the first year or two is a good time to check the sealant. Gaps at skirtings, shower seals pulling away and missing mastic around frames are common snags.

Big or small, you get the same 12-month guarantee.

Location
Highfield (SO17, SO16, SO14)
Region
Southampton
Guarantee
One year on every job
Price
Quoted before any work starts
Telephone
0345 464 0079
Last updated
26 October 2026
Eleven members of the Mr Mastic team standing in front of branded white vans

Common problems we fix in Highfield

Wheels crossing an unfilled concrete joint chip its edges. Pallet trucks and trolleys knock the edges away until the joint widens.

The problems people generally mention when they call are:

  • Rigid edge joints in tiled floors
  • Threshold joints that have opened or worn
  • Dirt and water collecting in open floor joints
  • Tiled floors with no room to move

For buildings such as Highfield Church, floor and skirting joints in halls and kitchens wear like any others.

What to look for in a quote

  • When the joint can take water or movement
  • Whether they’re fully insured
  • Is the old sealant removed completely?
  • What preparation is included

Our hiring checklist

What affects the cost of floor joint sealing

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

  • Whether old sealant or filler has to be cut out
  • Working hours on commercial sites
  • How easy the joints are to reach
  • The number and length of the joints

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’ll explain the quote if you ask.

What we need to know

Before you ask for a quote, have a think about:

  • Whether it has been sealed before
  • Roughly how big the job is
  • If it’s domestic, commercial or a hotel
  • Where the property is

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. Whenever you’re ready, phone 0345 464 0079 or send us an email.

DIY versus a professional finish

The biggest DIY mistake is sealing over old sealant. Silicone does not stick to old silicone, so it peels away and traps moisture behind it. Everything old must be removed first.

Overfilling a joint is a classic DIY mistake. A heavy bead looks messy and copes badly with movement, and getting the depth right matters as much as the look.

New homes and floors in Highfield

Floors around Southampton run from suspended timber in older homes to concrete in newer houses and units, and each moves in its own way. That’s why the skirting and threshold joints need a flexible seal.

For landlords with property near St Denys station, gaps at skirtings and thresholds are worth sealing between tenancies. If you look after a building such as Highfield Church of England Primary School, floor joints in corridors, halls and entrances take heavy wear and need resealing before the edges break up.

Highfield is about 1 mile north of Southampton, in Southampton. Across the SO17 area, our applicators can take on floor joint sealing. 40 places in Southampton are on our list, from the larger towns to small villages.

We cover every part of SO17, SO16 and SO14 for floor joint sealing. If you need floor joint sealing at a property on Winn Road, Nile Road and The Avenue or a nearby road, we can help. Main roads around Highfield include the A3035. We also cover the places around Highfield: Bassett (1 mile north-west), Shirley (2 miles west), Lordswood (2 miles north-west), Freemantle (2 miles south-west) and Coxford (2 miles west). Further out, we also cover Thornhill (3 miles south-east), Harefield (3 miles east), Sholing (3 miles south-east), Woolston (3 miles south), Eling (4 miles west) and Rownhams (3 miles north-west).

Around Highfield

In Highfield, that means homes and buildings near Saint George Catholic Voluntary Aided College Southampton, Richard Taunton Sixth Form College and The Cowherds Inn. For rail, the closest station is St Denys station, roughly 0.8 miles south-east of the centre. Other landmarks nearby include Royal South Hants Hospital (1.2 miles south) and Marlands Shopping Centre (1.7 miles south). Not far away are Netley Common.

Map of Highfield © OpenStreetMap contributors

For landlords and businesses

Letting agents and landlords in Highfield can book us as well as householders. Resealing between tenancies keeps a property looking cared for.

We also work for property managers and facilities teams in Highfield and across Southampton. Several sites can be quoted together, and we’re fully insured.

The process

We work through the job in order: protect, prepare, seal, tidy. For most jobs that takes a few hours, depending on the length of joint, and the area is left clean. For a job in Highfield, we agree the time, the access and parking before the day. If the work is outside, the weather plays a part, as sealant needs a dry surface.

  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. The joint is vacuumed clean, with backing fitted wherever depth matters.
  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.

Preparing for the visit

  • Let us know if you’ve seen damp or leaks
  • Try not to wet indoor joints just before the visit
  • Mention any parking rules near the property

Get a quote

If you are in Highfield and need floor joint sealing, ring 0345 464 0079 or email us. Tell us what the problem is and where, and we will agree the price before any work begins.

Ask for a quote

Read more

What we can’t put right

Some problems need a builder, plumber or other trade rather than us:

  • Water getting under the tiles from elsewhere
  • Tiles that have lifted or broken
  • Bouncy or failing floorboards

Not sure which it is? You can ring 0345 464 0079 or drop us an email and we will tell you honestly before you book.

Surfaces we seal

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

Looking after it afterwards

Looking after new joints is easy:

  • Ask before painting over a sealed joint
  • Mark off resealed joints in warehouses
  • Act on grout cracks that run in a straight line
  • Use a well-wrung mop rather than flooding the floor

Lift furniture rather than sliding it over sealed joints. Dragging can tear the bead.

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

Highfield: your questions answered

Is Highfield within the area you cover?

Yes, smaller places are covered as well as towns. Our work covers London and the South East. Just mention lanes, gates or anything else about the route when you book.

Can you help a landlord with a rental near St Denys station?

Yes, we work for letting agents and landlords. 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.

Can sealant along the skirting be painted?

Where you plan to paint, we do. Silicone in bathrooms and kitchens can’t be painted, so tell us your plans.

Does someone need to be in?

It depends on the job. For work indoors, someone needs to let us in, and for outside work we’ll agree access with you when we book.

Are you fully insured?

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

What do you put in the joint?

It depends on the joint: sanitary silicone where it gets wet, and sealants suited to movement or weather elsewhere. Brands we use include Arbo and Everbuild.

Are you an approved applicator?

Yes. We hold ARBOMaster approved applicator status, and we are fully insured.

Why does the gap under my skirting keep coming back?

Floors and walls move a little with the seasons, and new floors settle. We close it with a flexible sealant that moves with the floor.

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