The Mastic Doctor team standing beside their branded vans outside an office building
Hampshire · England

Floor Joint Sealing contractors in Four Marks

Floor joint sealing for Four Marks, from a contractor working since 2005. Fully insured and CHAS accredited.

  • Cracked and crumbling joint fill
  • Open saw cuts full of debris
  • A gap opening alongside old joint filler
1
Send details
Drawings, photos, a joint schedule or a site visit.
2
Get a quote
A fixed price, with what’s included set out clearly.
3
We seal
Prepared joints, the specified product, a tidy finish.
4
Guaranteed
Our workmanship is guaranteed for 12 months.
South East, London & Scotland
CHAS accredited
£5m public liability

Floor joint sealing near Four Marks

Photos, a specification or a quick description of the joints is enough to start a fixed quote.

Commercial clients in Four Marks

Hospitality, education, healthcare, office and retail clients book us directly too. The work is planned around how the building runs, so guests, pupils, patients or staff are disturbed as little as possible.

If you look after buildings for someone else, you need clear quotes and clear reporting. You get a fixed quote, an agreed scope and a walk round at the end, plus a 12-month guarantee.

Floor joint sealing for commercial buildings in Four Marks

Across Four Marks and the rest of Hampshire, it runs the same way: send details, get a fixed quote, we seal, and the work is guaranteed. A rough length of joint, photos of the worst areas and a site plan let us give a quick quote and a visit can be arranged where that is easier. We work on joints along racking aisles, saw-cut induced joints and construction joints, and what we are called in for most is chipped and spalling edges along forklift routes and open saw cuts full of debris. A single leaking joint is often how a building in Four Marks first comes to us: we look at the rest while we are there and tell you what we find.

Small units near places like Four Marks are often converted farm buildings with new concrete floors. Joints in those slabs need a product suited to whatever runs over them, from pallet trucks to foot traffic.

Our 12-month guarantee is about workmanship, not wear and tear. How long a sealant joint lasts depends on movement, exposure, cleaning and use, so we spell out the cover before we begin.

The Mastic Doctor team standing beside their branded vans outside an office building
Location
Four Marks (GU34)
Region
Hampshire
Guarantee
12 months on our workmanship
Quotes
A fixed quote before we start
Phone
01277 525 020
Last updated
3 November 2026

Warehouse floors and decks around Four Marks

Four Marks lies roughly 49 miles out from central London. The South East has large numbers of industrial estates and warehouses along the motorway corridors. At least three named trading, business or retail sites lie within about 3 miles of Four Marks. Their warehouses, yards and car parks are exactly where joints take the most punishment.

Phasing is what makes joint work possible on busy sites such as Lower Soldridge Business Park (1 mile west of Four Marks): one bay, aisle or car park row at a time. For a school such as Four Marks Church of England Primary School, playground and building joints can be done in the holidays. A healthcare site such as Alton Community Hospital, 3.3 miles to the north-east of Four Marks, depends on car parks, ramps and service yards whose joints take traffic all day.

Four Marks is about 4 miles south-west of Alton, in Hampshire. We send applicators to Four Marks for floor joints. Four Marks is one of 723 places in Hampshire on our list for floor joints. Southampton is covered too, some 20 miles away.

Commercial sites across GU34 are covered. We cover commercial and managed buildings on Read's Field, River Close and Chalk Close. We also cover Medstead (1 mile north), Soldridge (1 mile west), South Town (2 miles north-west), New Copse (2 miles north) and Hattingley (2 miles north-west) for floor joints. Nearby towns on our patch include Basingstoke (11 miles north), Winchester (12 miles west), Fleet (15 miles north-east), Horndean (14 miles south), Alton (4 miles north-east) and Petersfield (9 miles south-east).

What’s near Four Marks

The nearest railway station is Alton station, roughly 4.6 miles north-east. Nearby you will also find Barton Castle (3.5 miles north-west) and Alton Community Hospital (3.3 miles north-east). For a walk, there’s Red Hill.

Map of Four Marks © OpenStreetMap contributors

On site: what to expect

Occupied buildings need a little choreography. We sign and contain the area we’re in, with routes through the building left open and work section by section so the rest of the building stays in use. Work in places the size of Four Marks is planned as a single visit where we can. Clear photos and measurements help us bring the right products.

  1. A floor survey records every joint, its edges and what crosses it.
  2. You receive a fixed quote showing products and phasing.
  3. Each joint is cut or routed back to clean, sound concrete.
  4. Dust is vacuumed out and primer applied where specified.
  5. Filler or sealant is placed to depth and finished flush.
  6. Zones reopen once cured and the work moves on.

Before we start on site

  • Point out parking and an unloading spot
  • Move anything stored against the joints
  • Share the asbestos register for older buildings

Request a quote

Every quote starts with the facts: what’s there, how much of it, how we reach it and what’s specified. Send what you have, and we’ll arrange a site visit if anything is unclear.

Get a price

Advice

When to bring in a specialist

Redoing a failed joint normally costs more than getting it right at the outset, because the whole bead must be removed and the faces cleaned back again. For that reason, many FMs and contractors use a sealant specialist from the outset.

Site maintenance staff can often handle a short internal joint. The usual problems come from preparation: new sealant over old, damp or dusty faces, or the wrong product for the movement.

Four Marks: questions and answers

Is a smaller place like Four Marks outside your area?

Not at all: smaller places are covered as well as towns. London and every South East county are within our area. Send photographs and a list of what needs doing, and we will plan the job to need as few trips as possible.

Can you work at a site such as Mansfield Business Park, by Four Marks?

Yes. Estates, retail parks and business parks around Four Marks, Mansfield Business Park among them, are all within reach. To start, just call 01277 525 020 or send details through our quote form with the unit, the joints involved and your access times.

How soon can traffic go back on the floor?

Cure times vary with the product and how cold the slab is. You will get a reopening time for each area when we agree the phasing.

What site paperwork can you supply?

Let us know which documents the site needs, such as RAMS, an insurance certificate or CSCS details, and we will confirm them with the quote.

What happens if the joint edges are damaged?

Filling against broken edges doesn’t last. We’ll tell you if the joint edges need repairing first and set out how that affects the job.

Are you CHAS accredited and on Constructionline?

Yes. We’re CHAS accredited, we’re a Constructionline member and we use CSCS-carded applicators.

Who decides which product is used?

If the job is specified, we follow the specification. If not, we choose for the movement, the surfaces and the conditions, in line with the manufacturer’s guidance.

What happens if it’s left?

A floor coating laid over open joints soon cracks along the joint lines. Joints need their own treatment before or alongside any coating work. A failed joint lets water into a building whatever its size. Catching it early means a reseal rather than repairs.

Pricing floor joints depends on quantities, condition and access, plus any specification you’re working to. Call for a quote.

Why us?

  • Workmanship guaranteed for 12 months
  • Fully insured
  • Work carried out by CSCS-carded applicators
  • One contact handling all your sites

Take a look at what affects the cost and our accreditations.

Cost factors for floor joints

Each job is priced on its own details. The main factors are:

  • Whether old sealant has to be cut out first
  • Which sealant the job calls for
  • Site requirements such as inductions and permits
  • Whether the work must be split into stages

Access can matter as much as the joints themselves: joints within easy reach take less time than ones that need access equipment. Mention the access as part of your enquiry.

Details that help us quote

There’s no need for a formal survey. A few details are enough to get going:

  • How the joints are reached, and at what height
  • Rough lengths or quantities, or drawings if you have them
  • A wide shot and a close-up of the area
  • The site address and postcode

Need a figure for a tender or a budget? Send the scope and any drawings, and we will return a fixed quote that you can work with. If you have questions first, call the office on 01277 525 020 or use the quote form.

Honest limits

Honesty saves time and money. Fresh joints won’t solve:

  • Worn screed or surface finishes
  • A floor that is out of level for the racking or trucks
  • Broken concrete either side of the joint

Not sure which it is? You can call 01277 525 020 or email a schedule or drawings and we’ll tell you honestly.

What we seal

  • Loading bays
  • Construction joints
  • Retail and showroom floors
  • Forklift and pallet-truck routes
  • Joints along racking aisles
  • Saw-cut induced joints
Accreditations

Trusted. Accredited. Insured.