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

Expansion Joint Sealing in Gilbert Street

We carry out expansion and movement joint sealing in walls, decks and floors in Gilbert Street. Send photographs or drawings for a fixed quote.

  • Water getting into the wall through a failed joint
  • Expansion joints filled with dirt and stones
  • Layers of sealant in a movement joint
1
Send details
Photos, drawings or a schedule, or we visit.
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.
Covering the South East & Scotland
Constructionline member
£5m public liability

Expansion joint sealing near Gilbert Street

Share the site address and what’s failing, and we’ll reply with a fixed quote or arrange a visit.

Joints that move: notes for Gilbert Street

The South East is one of the drier parts of the UK. External slab and deck joints still need a dry, clean joint to seal, and gritting in cold spells finds its way into open joints. Central London is about 51 miles from Gilbert Street. Distribution warehouses and industrial estates are common around the motorway corridors that serve the capital, and their floor joints take forklift and pallet-truck traffic all day.

At places like Mansfield Business Park (1.9 miles north-east of Gilbert Street), joints are sealed a section at a time so operations carry on. Schools like Ropley Church of England Primary School often have long brick elevations with movement joints that age quietly.

Gilbert Street is about 6 miles south-west of Alton, in Hampshire. We cover Gilbert Street and the rest of Hampshire, and jobs here get the same fixed quote and 12-month guarantee as anywhere else. Our Hampshire coverage takes in 723 places. Our Southampton page has more on work in that area (18 miles or so).

Anyone looking for expansion joint sealing in SO24 gets the same process as the rest of our area: details, then a fixed price, then sealing and a 12-month guarantee. If your site is on Andrew's Lane, Gilbert Street and Swelling Hill or close by, we can quote for movement joints. If your building is just outside Gilbert Street, we cover Ropley (1 mile south-west), Kitwood (1 mile north-east), North Street (1 mile north-west), Charlwood (1 mile south-east) and Ropley Dean (1 mile west). Bigger towns within reach include Basingstoke (12 miles north), Winchester (11 miles west), Eastleigh (15 miles south-west), Horndean (13 miles south), Alton (6 miles north-east) and Waterlooville (14 miles south).

Landmarks near Gilbert Street

Other landmarks nearby include Barton Castle (4.1 miles north-west) and Alton Community Hospital (4.8 miles north-east). For a walk, there’s Shutts Copse and Red Hill.

Map of Gilbert Street © OpenStreetMap contributors

Expansion joint sealing for commercial buildings in Gilbert Street

The seal is what lets a movement joint do its job. Once it fails, water, grit and debris get in. Dealt with early, it stays a sealant job rather than a concrete or masonry repair. If you have expansion joints split through the centre of the bead and layers of sealant in a movement joint, we can put it right. Most enquiries from Gilbert Street start with one failed joint and grow into a wider look at the building: we check the joints around it and give you an honest view of what needs doing now and what can wait.

In and around smaller places like Gilbert Street, the concrete floors we see are often in converted farm buildings, small workshops and storage units. Joints in those slabs take vehicles, trolleys and foot traffic, and need a filler or sealant to match.

Every job is signed off with a 12-month guarantee. The promise is simple: if our work fails within that year, we put it right.

Where
Gilbert Street (SO24)
Region
Hampshire
Cover
A 12-month guarantee
Quotes
Fixed quote, scope in writing
Phone
01277 525 020
Updated
3 November 2026
The Mastic Doctor team standing beside their branded vans outside an office building

FAQs: Gilbert Street

Do you take on work at healthcare sites like Alton Community Hospital?

Yes, healthcare and care buildings are part of our work. Work is phased so departments keep running, under the site’s own rules.

Can you work at a site such as Lower Soldridge Business Park, by Gilbert Street?

Yes. Our area takes in Gilbert Street and its surroundings, with estates and business parks such as Lower Soldridge Business Park included. To start, just ring 01277 525 020 or send details through our quote form with the unit, the joints involved and your access times.

When can the area be used after sealing?

Curing time varies by product, and we confirm it on the day.

How do you deal with asbestos in old sealant?

Some older mastics, especially in pre-2000 buildings, can contain asbestos. We check the asbestos register before cutting out old sealant in an older building, and if asbestos is suspected, work stops until it’s tested. We don’t remove asbestos-containing materials.

How much does the work cost?

There isn’t a price list, because every site is different. Send photos or drawings and we will price it at a fixed figure.

How do I request a quote?

It works in four steps: send details, get a quote, we seal, guaranteed. Step one needs little more than photos and a postcode.

What happens if it rains on the day?

A wet joint can’t be sealed properly. The work is simply moved to the next suitable day.

Signs you need expansion joint sealing in Gilbert Street

Most movement joint failures come down to the joint stretching further than the sealant can take. Cohesive failure, a split through the centre, typically means the joint or product wasn’t right for the movement. Resealing like for like often fails the same way unless width and product are reviewed.

These are often picked up first by site or facilities staff:

  • Torn sealant in brick or block movement joints
  • Expansion joints filled with dirt and stones
  • Chipped joint edges on forklift routes
  • Sealant peeling off one face of the joint

Large sites such as Alton Community Hospital, 4.8 miles to the north-east of Gilbert Street, have car parks, service roads and long elevations with movement joints in brick and panels.

What your quote should include

  • How the joint faces will be prepared and primed
  • Can the work be phased to keep areas open?
  • Is the sealant right for the movement and the substrate?
  • Proof of insurance

Questions to ask before you appoint anyone

How a job runs

On arrival, 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 normally 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. Smaller jobs around Gilbert Street can be grouped with others nearby, which keeps travel down. A fixed quote is given before anything starts.

  1. The first job is to check each joint: how wide it is, how it moves and why the old seal let go.
  2. Next, we fix a price and confirm the sealant we propose for the movement.
  3. Old sealant and filler are cut out and the joint faces cleaned back to sound material, and we tell you if any edges need repairing first.
  4. Backing rod goes in at the right depth, or bond-breaker tape where the joint is shallow.
  5. After any primer the maker requires, the bead is applied and tooled so it grips two sides only.
  6. We check every joint before sign-off, and the work carries our 12-month guarantee.

Preparing the site

  • For older buildings, check the asbestos register before work
  • Tell us your opening times and when work is allowed
  • Point out parking and an unloading spot

Getting a fixed quote

Photos, drawings or a schedule of the joints and a fixed quote comes back to you. Where a site visit makes more sense, we will arrange one.

Get a price

Read more

What we can’t put right

Our job is the joint, not everything around it. Sealant alone won’t deal with:

  • A joint that has to be widened or re-detailed before it can work
  • Cracking or settlement that calls for an engineer’s assessment
  • Concrete or masonry repairs along the arrises

Not sure which it is? You can phone 01277 525 020 or email drawings and photos and we will tell you honestly.

What we seal

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

Quoting for work in Gilbert Street

A fixed quote reflects the actual work. It allows for:

  • Phasing around occupants
  • How much existing material needs removing
  • Quantities, in metres or numbers
  • Backing rod, priming and other preparation

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

What we need to price the job

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

  • How the joints are reached, and at what height
  • Asbestos survey details if the building is older
  • The site address and postcode
  • Whether the building will be occupied during the work

Pricing a project or setting a maintenance budget? We will quote against your scope and drawings that you can work with. If you have questions first, give us a call on 01277 525 020 or email drawings and photos.

Why act early in Gilbert Street

Combining joint work with other maintenance reduces set-up costs. Leaking joints need sealing now, as damage continues meanwhile. We can split the scope into urgent and planned. Halls, stores and units around places like Gilbert Street may not be checked every day, so a failed joint can leak for a while before anyone sees it. Renewing joints in good time avoids the problem.

The work involved drives the cost: removing old material, preparing the joints, the product, the access and how the work is phased. Call for a fixed quote.

Why us?

  • Failed material removed, not covered up
  • Specification-led, product-correct work
  • One phone line for London, the South East and Scotland
  • CHAS accredited contractor

Read what affects the cost or our accreditations.

Work for main contractors and building owners

Hospitality, education, healthcare, office and retail clients come to us directly as well. We plan around the way the building is used, so the building keeps working while we do.

Blocks and communal areas make up much of the work for housing associations and agents. We phase the work so people keep access, and each stage is agreed with your contact.

Accreditations

Trusted. Accredited. Insured.