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

Expansion Joint Sealing in Longlane

Expansion joint sealing in Longlane, backed by over 20 years in commercial sealing. Fully insured and CHAS accredited.

  • Joints where the bead has lost adhesion
  • Water dripping through deck or ramp joints
  • Movement joints with split or torn sealant
1
Send details
Photos, drawings or a schedule, or we visit.
2
Get a quote
One fixed quote covering the agreed scope.
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 & Constructionline
£5m PL insurance

Expansion joint sealing for Longlane sites

Send drawings, photos or a joint schedule, or tell us about the site, and we’ll come back with a fixed quote.

Expansion joint sealing for commercial buildings in Longlane

Joints in car park decks and ramps are among the hardest-working in any building. Tyres load the edges, and de-icing salts and water work into any gap. A sealant suited to traffic and the expected movement goes in and the work can be phased so parts of the car park stay open. Most enquiries involve damp inside where a wall movement joint has failed and sealant peeling off one face of the joint, across cladding panel joints, car park decks and ramps and blockwork control joints. A specialist sealant contractor works differently from a general builder: on jobs in Longlane, preparation and product choice get the time they need.

For a site near Longlane, measurements and photos up front mean one trip where possible. Tell us the joint widths if you can, and what drives or walks over them.

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’re clear about what is covered before work starts.

The Mastic Doctor team beside their liveried vans in front of an office building
Where
Longlane (RG18)
Region
West Berkshire
Cover
12 months on our workmanship
Price
A fixed quote before we start
Telephone
01277 525 020
Updated
3 November 2026

How the quote is worked out

We price every job individually. The things that drive the figure:

  • Removal of failed or old sealant
  • The product specified
  • The size and state of each joint
  • Distance, for remote addresses

The specified product makes a difference, and so does the preparation. Access, phasing and site requirements come into it too.

Sending details for a quote

Good information means a firmer quote. Helpful details to send:

  • The type of building and who uses it
  • The postcode of the building
  • Rough lengths or quantities, or drawings if you have them
  • Asbestos survey details if the building is older

Let us know the site, the scope and your timescale, and a fixed quote will follow. The easiest way is to give us a call on 01277 525 020 or email the details over.

What the job involves on each surface

Car park decks and ramps

Car park joints are some of the hardest-working joints in any building. A trafficable sealant suited to the movement goes in.

Concrete and precast panel joints

Precast panels often have surface residues that sealant won’t bond to. Proper cleaning and primer where specified give a sound bond and check the edges for soundness as we go.

Questions we’re asked in Longlane

Will you take on work at estates like Red Shute Hill Industrial Estate, close to Longlane?

Yes, sites like Red Shute Hill Industrial Estate are within our area, along with the rest of Longlane. A few photographs and the unit address let us price the work.

Is Longlane too small for you to travel to?

No. Small places get the same service as large ones. London and every South East county are within our area. Good photos up front let us bring everything on the first visit.

Can you seal joints in cold or wet weather?

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

Do your applicators hold CSCS cards?

Yes. Our applicators hold CSCS cards, which many sites require.

What sealant do you use in movement joints?

It depends on the movement, exposure and traffic. Facades often take a low-modulus silicone; floors and decks normally need a polyurethane.

Is it fine to apply new sealant on top of old?

No, never. Sealing over old material is one of the classic causes of early joint failure, so everything comes out first.

Can weather delay the job?

For external joints, yes. The joint has to be dry and within the product’s temperature range, so damp, frosty or very cold days can stop external work. Internal work is rarely affected.

Why act early in Longlane

Resealing is typically the answer, not replacing the element. If the material either side is sound, a properly prepared reseal restores the joint. If the edges have broken up, we will tell you they need repairing first. Older rural buildings around Longlane move with the seasons, and rigid or tired sealant can’t keep up. The right product, sized to the joint, copes much better.

No two sites price the same: joint size, product, access and site hours all play a part. Send the details and a fixed figure follows.

Why us?

  • Fixed quotes based on photographs, drawings or a visit
  • Work carried out by CSCS-carded applicators
  • One phone line for London, the South East and Scotland
  • Fully insured

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

General trades versus a specialist

Paperwork matters too. Many sites expect CSCS cards, RAMS and proof of insurance, and our CSCS-carded applicators are used to working under those rules.

For a quick touch-up, site staff may be fine, but larger jobs are different: a specialist brings efficiency, a consistent finish and a 12-month guarantee.

Our process

Tell us your site hours and access windows and we’ll plan around them. While we are working, the area stays contained and tidy, and your contact hears from us before we move to the next area. Smaller jobs around Longlane can be grouped with others nearby, which keeps travel down. You’ll have a fixed quote before work starts.

  1. First the joints are inspected, widths measured and the type of failure noted.
  2. A fixed quote names the sealant we propose and its movement class.
  3. Phasing is agreed so decks, floors or entrances can stay in use where needed.
  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.

What we need from you

  • Have the specification and drawings to hand
  • Send your site hours and access windows
  • Clear stock, furniture or equipment away from the joints

Quotes

Photos, drawings or a schedule of the joints are often enough for a fixed quote. If the job needs a look first, we will arrange a site visit.

Get a quick quote

Read more

Where floor joints take the most wear near Longlane

Longlane sits in one of the drier corners of the country, the South East. External joints still wait for dry conditions, while winter salting gets into any joint left open. The 3 miles around Longlane take in at least three named trading estates, business parks or retail parks. Their warehouses, yards and car parks are exactly where joints take the most punishment.

A healthcare site such as West Berkshire Community Hospital (to the south of Longlane) depends on car parks, ramps and service yards whose joints take traffic all day. Across sites such as Turnpike Road Industrial Estate, which lies south of Longlane, floor and movement joints can be sealed in phases so units keep working.

Longlane is about 3 miles north of Thatcham, in West Berkshire. Commercial clients in Longlane use us for work on movement joints, as part of our coverage of West Berkshire. We work across 140 places in West Berkshire, large and small. There’s a separate page for Reading, about 13 miles away.

Commercial sites across RG18 are covered for movement joints. Buildings on Sandy Close, Long Lane and Curridge Piece are within our area. Just outside Longlane, we also work in Curridge (1 mile west), Hermitage (1 mile north-east), Wellhouse (1 mile east), Oare (1 mile north) and Little Hungerford (1 mile north-east). Nearby towns on our patch include Newbury (4 miles south-west), Thatcham (3 miles south), Burghfield Common (10 miles east), Speenhamland (3 miles south-west), Hungerford (10 miles west) and Fords Farm (11 miles east).

Landmarks near Longlane

Recent enquiries here include premises near The Bunk Inn and the streets around them. For rail, the closest station is Newbury Racecourse station, roughly 3.3 miles south of the centre. Well-known places in the area include West Berkshire Community Hospital (2.7 miles south) and British Balloon Museum & Library Ltd (3.4 miles south-west). The countryside around Longlane includes Snelsmore Common.

Map of Longlane © OpenStreetMap contributors

When to call us in Longlane

On trafficked joints, wheels and salts do the damage. Tyres and wheels press on the edges and the sealant, while grit and salts work into any gap. A sealant that isn’t trafficable won’t last there.

What tends to prompt an enquiry:

  • Sealant peeling off one face of the joint
  • New sealant over old, now failing
  • Torn sealant in brick or block movement joints
  • Damp inside where a wall movement joint has failed

On industrial estates such as Red Shute Hill Industrial Estate (under half a mile east of Longlane), saw-cut floor joints, loading bay slabs and yard joints take the heaviest traffic.

Questions to ask before you book

  • How they handle RAMS and site documents
  • How the joint faces will be prepared and primed
  • Their approach to joint depth and backing
  • What level of public liability insurance do they hold?

How to choose a sealant contractor

Accreditations

Trusted. Accredited. Insured.