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

Expansion Joint Sealing in Blashford

Expansion joint sealing in Blashford, backed by over 20 years in commercial sealing. Fully insured, with a 12-month guarantee.

  • New sealant over old, now failing
  • Debris jammed in movement joints
  • Weathered movement joint sealant that no longer flexes
1
Send details
Send the specification, photos or a marked-up plan.
2
Get a quote
Scope agreed and priced before anything starts.
3
We seal
Failed joints cut out, faces prepared, new sealant laid.
4
Guaranteed
12-month guarantee on our workmanship.
London, the South East & Scotland
Constructionline member
£5m PL insurance

Expansion joint sealing across Blashford

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

About our expansion joint sealing in Blashford

Every structure moves a little, all the time: temperature, moisture, shrinkage and loading all make materials grow and shrink. Movement joints are where that movement is absorbed, and the sealant in them keeps water and debris out. Mastic Doctor reseals movement joints in brickwork, blockwork, concrete, cladding and floors. Most enquiries involve car park joints leaking onto vehicles below and debris jammed in movement joints, on cladding panel joints, car park decks and ramps and blockwork control joints. Looking for mastic applicators who cover Blashford? We’ve been sealing commercial buildings since 2005, with CSCS-carded applicators.

Smaller community and commercial buildings around Blashford have their own movement joints in walls and floors. They’re easily forgotten until water gets in or an edge breaks.

We stand behind the joints we seal: 12 months, guaranteed. It covers how we prepared and applied the sealant, and we come back if anything isn’t right.

The Mastic Doctor team standing beside their branded vans outside an office building
Where
Blashford (BH24)
Region
Hampshire
Cover
12 months on every job
Quote
A fixed quote before we start
Telephone
01277 525 020
Updated
3 November 2026

Diagnose, treat, sign off

In a busy building, we agree a sequence with your contact so the disruption stays in one area at once. Each area is protected, prepared and sealed, then reopened once the sealant allows before the next one starts. Rural sites near Blashford may need directions, gate codes or a contact on site. Add it to your enquiry and we will build it into the plan.

  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. Depth is controlled with backing, the faces are primed where the maker calls for it, then the bead is laid and tooled.
  6. Finished joints are inspected, the cure time confirmed and the 12-month guarantee applies.

Getting the site ready

  • Clear stock, furniture or equipment away from the joints
  • Share the asbestos register for older buildings
  • Tell us which areas need to stay in use

Getting a fixed quote

Every job follows the same four steps: send details, get a quote, we seal, guaranteed. The first step is to call 01277 525 020 or use the quote form with what you know.

Ask for a quote

Related advice

Doing it in-house

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.

General builders and handymen seal joints, but it isn’t their main trade. A specialist brings correct preparation, depth control with backing rod and a product suited to that particular joint, which is what makes a joint last.

Signs you need expansion joint sealing in Blashford

Repeated failure often traces back to the wrong product. A stiff or general-purpose sealant across a joint with large movement won’t cope. BS EN ISO 11600 classifies building sealants by movement capability, and specifications often refer to it.

Typical triggers for a call:

  • Sealant pulling off the joint face
  • Movement joints with split or torn sealant
  • Damp inside where a wall movement joint has failed
  • Water dripping through deck or ramp joints

Across sites such as Carvers Industrial Estate, 1.1 miles to the south of Blashford, floor and movement joints can be sealed in phases so units keep working.

Questions to ask before you book

  • Is the sealant right for the movement and the substrate?
  • What level of public liability insurance do they hold?
  • Whether primer will be used where the manufacturer specifies it
  • Will failed sealant be removed rather than covered?

Choosing a commercial sealant contractor

After the work

For the best life from the joints:

  • Clear dirt from joint lines during routine cleaning
  • Keep traffic off new joints until the cure time is up
  • Brief car park operatives to protect joint lines during winter clearance
  • Keep racking legs and heavy point loads off floor joints

Fresh joint sealant needs its full cure time before it takes traffic or water. How long that takes depends on the product, the temperature and the depth of the joint, and we confirm it for each area before we leave. Barriers left in place until then protect the finish.

Rain gets into walls through torn brick and block movement joints. The first sign is often a damp patch indoors. Catching it early keeps the water outside.

When something else is needed

Some faults sit outside our scope, and we point that out rather than sealing over them:

  • Damaged metal nosings or cover plates over a joint
  • Broken or spalled joint edges, which need repairing before any sealant goes in
  • Leaks coming from the membrane rather than the joint seal

Not sure which it is? You can give us a call on 01277 525 020 or email the details over and we’ll tell you honestly.

Joints and surfaces we work on

  • Blockwork control joints
  • Brickwork movement joints
  • Cladding panel joints
  • Podiums and floor movement joints
  • Precast concrete panel joints
  • Car park decks and ramps

FAQs: Blashford

Do you take on work at healthcare sites like St Leonard's Hospital?

Yes. We work in healthcare settings as well as offices and schools. The estates team’s permit system and infection-control rules come first, and the work is planned around them.

Is Headlands Business Park, near Blashford, within your area?

Yes, sites like Headlands Business Park are within our area, along with the rest of Blashford. To start, just speak to us on 01277 525 020 or send photos by email with the unit, the joints involved and your access times.

Can you handle several sites?

Yes. Several buildings can share a single quote, with one point of contact.

Do you work in Blashford?

Yes. We cover Blashford, and the simplest way to start is to give us a call on 01277 525 020 or use the quote form.

Will your applicators have CSCS cards?

Yes. Our applicators hold CSCS cards.

Do you seal on top of existing sealant?

No. Sealing over old material is one of the classic causes of early joint failure, so everything comes out first.

Which sealant will you use?

Where there’s a specification, we use the product it names. If not, we choose for the movement, the surfaces and the conditions, in line with the manufacturer’s guidance.

What sets the cost

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

  • Which sealant the job calls for
  • How much there is to seal
  • Whether old sealant has to be cut out first
  • The size and state of each joint

Pricing movement joints depends on how many there are, their condition and the access, plus any specification you’re working to. Ask us for a fixed quote.

Details that help us quote

We can often quote from photographs and a few details. It helps to include:

  • Your programme or deadline
  • What the building is and how it’s used
  • The site address and postcode
  • Rough lengths or quantities, or drawings if you have them

A good quote starts with a clear picture: 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.

Joints that move: notes for Blashford

Blashford sits in one of the drier corners of the country, the South East. Outside joints in yards and car parks still have to be dry before sealing, and gritting in cold spells finds its way into open joints. Less than 3 miles from Blashford there are at least three named estates and business parks. Their warehouses, yards and car parks are exactly where joints take the most punishment.

Hospital campuses such as St Leonard's Hospital (4.5 miles south-west of Blashford) grow in stages, leaving movement joints wherever new blocks meet old. Schools like Poulner Junior School often have long brick elevations with movement joints that age quietly.

Blashford is in Hampshire. Our applicators travel to Blashford for work on movement joints. We work across 723 places in Hampshire. For work in that direction, see our Southampton page.

Business premises anywhere in BH24 are within our area. If your site is on Snails Lane, Ivy Lane and Woolmer Lane or close by, send details and we will quote for movement joints. Sites close to Blashford are covered too, including Ellingham (1 mile north-west), Rockford (1 mile north-east), Poulner (1 mile south-east), Highwood (1 mile east) and Ringwood (1 mile south). Further afield, our area takes in Totton (13 miles east), Lymington (13 miles south-east), New Milton (9 miles south-east), Barton on Sea (10 miles south-east), Marchwood (15 miles east) and Ashley (9 miles south-east).

What’s near Blashford

Recent enquiries here include premises near Alice Lisle Inn and Ringwood School Academy. Other landmarks nearby include St Leonard's Hospital (4.5 miles south-west). Not far away are Blashford Lakes and Linbrook Lake.

Map of Blashford © OpenStreetMap contributors
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