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

Expansion and movement joint sealing in Harestock, Hampshire

Expansion and movement joint sealing in walls, decks and floors throughout Harestock and nearby, by CSCS-carded applicators. Fully insured and CHAS accredited.

  • Joints where the bead has lost adhesion
  • Joints packed with grit and debris
  • Hardened, cracked sealant on exposed facades
1
Send details
Drawings, photos, a joint schedule or a site visit.
2
Get a quote
A fixed quote for the work, with the scope in writing.
3
We seal
CSCS-carded applicators, the right product for each joint.
4
Guaranteed
Signed off, with 12 months’ guarantee.
Covering the South East & Scotland
CHAS accredited
£5m PL insurance

Need expansion joint sealing in Harestock?

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

Expansion joint sealing in Harestock

Every structure moves a little, all the time: they expand in the heat, shrink as they dry, and shift under load. Expansion and movement joints are built in so the structure can move without cracking, and the sealant in them keeps water and debris out. We seal and reseal movement joints in walls, panels, decks and floors. Most enquiries involve movement joints with split or torn sealant and debris jammed in movement joints, on cladding panel joints, precast concrete panel joints and podiums and floor movement joints. Whoever orders the work in Harestock, the brief is typically the same: a fixed quote, no surprises on site and a 12-month guarantee behind the result.

Around places the size of Harestock, joints that need sealing tend to be in rural business units, farm buildings put to commercial use, schools and community buildings. Concrete floors and yards in these buildings move and crack like any others.

Every job is signed off with a 12-month guarantee. The promise is simple: if the work we did fails within twelve months, we return to fix it.

Place
Harestock (SO22)
Region
Hampshire
Cover
A 12-month guarantee
Quotes
A fixed quote before we start
Call
01277 525 020
Updated
3 November 2026
The Mastic Doctor team standing beside their branded vans outside an office building

Different surfaces, different methods

Car park decks and ramps

Deck and ramp joints take tyre loads, grit and de-icing salts. A trafficable sealant suited to the movement goes in.

Brickwork and blockwork joints

Masonry faces are often porous, dusty or crumbly. Faces are prepared and primed wherever the sealant maker calls for it.

Questions about Harestock

Is Harestock off your patch?

Not at all: smaller places are covered as well as towns. London and every South East county are within our area. Where we can, we group nearby jobs to make the most of each trip.

Do you cover business parks and estates near Harestock, such as Wykeham Industrial Estate?

Yes, sites like Wykeham Industrial Estate are within our area, along with the rest of Harestock. Send details of the unit and the work through our quote form for a quick quote.

How do you choose the sealant?

A specification, where there is one, decides it. Without one, the joint decides: its movement, its surfaces and what it has to cope with.

How long will the new sealant last?

It depends on movement, UV and weather, cleaning, traffic and the product. Sealant joints are maintenance items, so inspect them regularly.

Are you fully insured?

Yes. We are fully insured, and the certificate can go with your quote.

Are you CHAS accredited and on Constructionline?

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

Can you work on car park ramps and decks?

Yes. These joints take wheels, salt and water, so product choice matters and broken edges are flagged before sealing.

Diagnose, treat, sign off

When we get to site, we report to your site contact and complete whatever induction the building runs. Everything around the joints gets protected before any cutting starts, with the work itself usually taking a few hours to several weeks, depending on how many metres of joint there are and how much old sealant or filler needs removing. For a site in Harestock, we plan so the whole job is done in one go where possible. Photos with rough sizes let us arrive with everything needed.

  1. First the joints are inspected, widths measured and the type of failure noted.
  2. You receive a fixed quote stating the product and the movement it is rated for.
  3. Where areas have to stay open, we agree a phased sequence before starting.
  4. We strip the old sealant or filler and prepare each face until it’s sound and dry.
  5. Backing rod or bond-breaker sets the depth, primer goes on where specified, and the sealant is applied and tooled.
  6. Finished joints are inspected, the cure time confirmed and the 12-month guarantee applies.

Before we start on site

  • Send your site hours and access windows
  • Tell staff and tenants when we will be in
  • Arrange parking or a loading space

Get a fixed quote

To get a fixed quote, call 01277 525 020 or send photos by email, telling us the site location and the nature of the job. Our quote form is another easy route.

Ask for a quote

Advice

Doing it in-house

Site maintenance staff can often handle a short internal joint. The usual problems come from preparation: sealing over old material, sealing onto damp or dusty surfaces, or a product that can’t take the movement.

Putting right a botched joint often costs more than sealing it well at the start, 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.

What sets the cost

To price the job, we consider:

  • Phasing around occupants
  • How accessible the joints are
  • Joint width, depth and condition
  • Which sealant the job calls for

Larger quantities, tricky access or phasing all shape the price. Site requirements like inductions and permits play a part as well, along with the time of year for external work.

Before you send an enquiry

However big the job, the same details help:

  • Any specification or named product
  • Whether an asbestos survey exists
  • Whether the building will be occupied during the work
  • Access details, including height

Send us photos, drawings or a joint schedule are often enough for a fixed quote. If the job needs a look first, we’ll arrange a site visit.

Signs you need expansion joint sealing in Harestock

When a bead pulls away from one face, it has lost adhesion. Poor preparation, a skipped primer, or sealant bonded to the back of the joint are typical reasons, and it’s common on joints sealed in a hurry.

Any of the following is a good reason to get the joints checked over:

  • Hardened, cracked sealant on exposed facades
  • Joints where the bead has lost adhesion
  • Spalled or broken joint edges in floors and decks
  • Leaks through car park deck joints onto the level below

Hospitals like Sarum Road Hospital (BMI) (to the south of Harestock) have multi-storey or surface car parks whose joints carry vehicles round the clock.

Comparing quotes

  • Their pre-qualification and accreditations
  • How they’ll work around occupants
  • How joint depth will be controlled
  • The named product and why it was chosen

How to choose a sealant contractor

Traffic, movement and joints around Harestock

Harestock has at least three named business or industrial parks inside a 3-mile radius. Floors, loading bays and yards on sites like these are where floor and movement joints work hardest. Harestock is in the South East, one of the UK’s drier regions. External slab and deck joints still need a dry, clean joint to seal, and winter de-icing salt on car parks and ramps works into any open joint.

Phasing is what makes joint work possible on busy sites such as Winnall Farm Industrial Estate (1.8 miles south-east of Harestock): one bay, aisle or car park row at a time. Retail centres such as Moorside Retail Park, 1.8 miles south-east of Harestock, have floors, service yards and car parks with joints under constant traffic.

Harestock is about 2 miles north-west of Winchester, in Hampshire. Across the SO22 postcode area, the process is the same: details in, fixed quote out, then sealing and a 12-month guarantee. We work across 723 places in Hampshire, large and small. For work in that direction, see our Southampton page (12 miles or so).

We take on movement joints across the SO22 postcode area, whatever the building. For a building on Kennel Lane, Burley Road and Stoney Lane or nearby, send details and we will quote for movement joints. We also cover Littleton (1 mile north-west), Weeke (1 mile south), Abbotts Barton (1 mile south-east), Hyde (1 mile south-east) and Headbourne Worthy (1 mile north-east) for movement joints. Nearby towns on our patch include Eastleigh (8 miles south), Andover (11 miles north-west), Totton (14 miles south-west), Chandler's Ford (7 miles south), Hedge End (12 miles south) and Romsey (9 miles south-west).

Landmarks near Harestock

In Harestock, that means premises near Henry Beaufort School and The Running Horse pub, among other places. For rail, the closest station is Winchester station, roughly 1.2 miles south-east. Well-known places in the area include Royal Observer Corps Museum (1.1 miles south-east) and Royal Hampshire County Hospital (1.5 miles south). The countryside around Harestock includes Twyford Down and Winnall Moors.

Map of Harestock © OpenStreetMap contributors

Building owners, agents and FMs in Harestock

Agents, factors and owners’ representatives all follow the same route: send the details, accept a fixed quote, and we carry out and guarantee the work. Keys, access and contacts can be agreed in advance.

Facilities managers want contractors who arrive with the paperwork sorted. Tell us what site paperwork you need, such as RAMS, an insurance certificate or CSCS details, and we will confirm with the quote.

Accreditations

Trusted. Accredited. Insured.