Portsmouth · England

Floor Joint Sealing in Landport

Our applicators work in Landport on sealing skirting-to-floor joints, tiled floor movement joints and concrete floor joints. Old material cut out, joints cleaned and sealed neatly and a one-year guarantee.

  • Skirting caulk that keeps splitting
  • Tiled floors with no room to move
  • Dirt and water collecting in open floor joints

Floor joint sealing in Landport

Quotes for floor joint sealing in Landport

There’s no set price list. The quote depends on:

  • Working hours on commercial sites
  • How easy the joints are to reach
  • The number of rooms or windows
  • The size of the job

We don’t 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 and we’ll talk you through it.

Asking for a quote

You don’t need to know the technical terms. Just tell us:

  • A few photos by email, if you can
  • Any access issues, like height or stairs
  • If it’s domestic, commercial or a hotel
  • Roughly how big the job is

Quotes start with a quick conversation. Tell us what’s wrong, where it is and how much there is, and we’ll explain how we’d tackle it. Whenever you are ready, ring 0345 464 0079 or email us.

How we handle floor joint sealing in Landport

Across Landport, we seal floor and skirting joints in homes and businesses. Each job starts with looking at the floor and the gap, since that decides which sealant suits. We work on commercial floors, tiled floors and wet room & bathroom floors, and people most often call us about worn sealant at door thresholds and open joints that fill with dirt.

For a new home in or near Landport, it’s worth checking the sealant early. Gaps at skirtings, shower seals pulling away and missing mastic around frames are common snags.

All our work comes with a 12-month guarantee, wherever you are in Portsmouth.

The Mr Mastic team in navy uniforms in front of three Mr Mastic vans
Location
Landport (PO1, PO2, PO5)
Wider area
Portsmouth
Guarantee
12 months on all our work
Quotes
Quoted before any work starts
Telephone
0345 464 0079
Updated
26 October 2026

What floor joint sealing looks like in Landport

Across Portsmouth, floors range from older suspended timber floors to concrete slabs in newer homes and commercial units, and each moves in its own way. The joint at the skirting or threshold has to allow for that.

If you look after a building such as Ark Dickens Primary Academy, floor and threshold joints in busy corridors wear quickly and are best resealed early. For landlords with property near Portsmouth & Southsea station, a tidy floor and skirting joint helps a rental look ready for the next tenant.

Landport is about 1 mile south-west of Portsmouth, in Portsmouth. We carry out floor joint sealing for householders, landlords and businesses in Landport and the surrounding area. Our area takes in 19 places across Portsmouth.

Here we cover the PO1, PO2 and PO5 postcode area for floor joint sealing. Local streets include Lake Road, Watts Road and Alfred Road, all of which we cover. Close by, we work in Portsmouth (1 mile north-east), Fratton (1 mile east), Rudmore (1 mile north), Kingston (1 mile east) and North End (1 mile north). Within a short drive, we also cover Wymering (3 miles north), Paulsgrove (3 miles north), Cosham (3 miles north), Drayton (3 miles north-east) and Farlington (4 miles north-east).

Near you in Landport

Around Landport, our work takes us to homes and buildings near The Painters Arms, St Edmund's Catholic School and Alexandra Park and the streets around them. There’s a railway station in Landport itself: Portsmouth & Southsea station. Other landmarks nearby include Royal Portsmouth Hospital (within half a mile south-west) and Charles Dickens Birthplace Museum (less than half a mile north). Open spaces near Landport include Milton Locks and Portsdown Hill.

Map of Landport © OpenStreetMap contributors

Common questions in Landport

Can you help a landlord with a rental near Portsmouth & Southsea station?

Yes, landlords and agents are among the people we work for. Just phone 0345 464 0079 or send us an email with the address and what needs doing, and we’ll give you a clear quote.

Can you do floor joint sealing in Landport?

Yes, Landport is within the area we cover. We work across London and the South East. Just phone 0345 464 0079 or drop us an email with a few details of the job, and we’ll send you a clear quote.

Is it messy?

Tidy work is part of the job. Nearby surfaces are protected, and we clear up when we are done.

How soon can the floor be mopped?

We will tell you before we leave. It depends on the sealant, and walking on it usually comes before mopping or wheeled traffic.

Why not just use caulk?

Only on dry joints that do not move. It splits once the floor shifts, so the gap comes back. A flexible sealant lasts longer there.

Do the sealants smell?

Possibly a little. Any smell clears as the sealant cures.

Are you fully insured?

Yes. We are fully insured.

Can you match the sealant colour?

Most of the time, yes. We’ll tell you which colours the right product comes in.

Why act early in Landport

Waiting until the next redecoration can mean a winter of draughts and dirt in the gaps. Sealing them now is a short job for most homes. In a smaller place like Landport, wherever a wall is exposed, a failed outside joint is a real source of damp. Indoors, a failed seal lets water into floors and panels as it would anywhere.

A failed joint rarely gets cheaper to fix by waiting, as water and mould keep getting in. If you’re not sure whether it needs doing, ring 0345 464 0079 or send us an email for an honest opinion and a quote.

What you get with us

  • Old sealant always removed completely
  • More than 20 years in sealant work
  • We agree the colour with you first
  • A 12-month guarantee on all work

See what affects the cost or what customers say.

Looking after it afterwards

So the new joints stay in good condition:

  • Keep heavy wheels off new concrete joints until cured
  • Vacuum floor joints regularly to stop grit building up
  • Get cracks along tile grout lines looked at early
  • Do not slide heavy items over sealed joints

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. Early resealing helps keep the joint intact.

Signs you need floor joint sealing in Landport

When a tiled floor has no movement joints, the grout takes the strain. You’ll see a crack running along the grout, where a flexible joint should have been.

The most common problems we see are:

  • Gaps opening between the floor and skirting
  • Dirt and water collecting in open floor joints
  • Cracked grout where a tiled floor needs a movement joint
  • Grout used at the floor edge instead of sealant

Community buildings like Church of All Saints are part of the picture too: joints in its floors, skirtings and thresholds need resealing as they wear.

Before you book anyone

  • How long to leave it before use
  • Are they insured?
  • Whether you can choose the colour
  • The length of the guarantee

10 questions to ask before you book

DIY versus a professional finish

Some sealant jobs are within reach of a careful DIYer, like a short, easy-to-reach joint indoors. The common mistakes are sealing over old sealant, sealing a damp joint and using far too much.

If you’re set on DIY, put the effort into preparation: remove every trace of old sealant, clean and dry the joint, and follow the product’s cure time. If it does not work out, we can still put it right.

What happens on the day

We keep the work tidy and contained to the joints we’re treating. The job generally takes a morning or an afternoon for most homes, and we tell you how long to leave it before we go. For a job in Landport, 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 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. The chosen sealant goes in, coloured to suit the floor.
  5. We tool it neatly and tell you when it can be walked on and cleaned.

How to prepare

  • Let us know about stairs, lifts or work at height
  • Clear items away from the joints we’re working on
  • Where the joints are inside, avoid wetting them before we arrive

Get a quote

Need a quote? Please phone 0345 464 0079 or send us an email with a few details. We will explain what we’d do and send you a clear quote before work begins.

Get a quick quote

Advice

Work for landlords, hotels and businesses

In hotels, rooms out of use cost money, so the work can be planned room by room around your bookings where we can. We have worked in hotels as well as homes and businesses.

Failed sealant is one of the commonest items on a check-out report, and it’s quick to put right between tenancies. Several properties can go on one quote.

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