Dorking expansion joint sealing
Our CSCS-carded applicators take on expansion and movement joint sealing in walls, decks and floors in Dorking and the surrounding area. Send photographs or drawings for a fixed quote.
- Hardened, cracked sealant on exposed facades
- Rain penetration at brick or block movement joints
- Debris jammed in movement joints
Expansion joint sealing in Dorking
Photos, a specification or a quick description of the joints is enough to start a fixed quote.
Signs you need expansion joint sealing in Dorking
Sun, rain and frost age external movement joints. In time the bead chalks, stiffens and cracks.
Look out for the following:
- Expansion joints filled with dirt and stones
- Water getting into the wall through a failed joint
- Spalled or broken joint edges in floors and decks
- Weathered movement joint sealant that no longer flexes
In a school such as St Paul's CofE (Aided) Primary School, movement joints in brick, block and hall floors tend to be forgotten until they leak.
Questions to ask before you book
- Is depth set with backing rod, or bond-breaker tape in shallow joints?
- Their public liability cover
- Whether their applicators hold CSCS cards
- Can the work be phased to keep areas open?
Expansion joint sealing for commercial buildings in Dorking
Few joints take as much punishment as those in a car park. Wheel loads, grit and de-icing salts attack the seal and the concrete either side. 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. The enquiries we see most involve expansion joints split through the centre of the bead and car park joints leaking onto vehicles below, across blockwork control joints, cladding panel joints and precast concrete panel joints. Whether you call it commercial sealant work, mastic application or joint sealing, in Dorking it comes down to the same thing: the right product in a properly prepared joint.
Joints in town car parks and service yards take tyres, de-icing salt and standing water. Resealing before the edges break up is far less disruptive than repairing them later.
Every job ends the same way: guaranteed. Our workmanship is backed for 12 months, and we explain exactly what that covers when we quote.
- Place
- Dorking (RH4, RH5)
- Wider area
- Surrey
- Cover
- 12 months on every job
- Quote
- Fixed quote, scope in writing
- Call
- 01277 525 020
- Page updated
- 3 November 2026
For managing agents and facilities managers
Building owners and managing agents use us on sealant work across single buildings or whole portfolios around Dorking. One quote can cover more than one site, so there’s one set of paperwork to deal with.
Planned maintenance programmes are welcome: resealing failed joints building by building, on a schedule that suits your budget. Dorking can form part of a wider programme.
Questions about Dorking
Do you cover business parks and estates near Dorking, such as Glebelands Centre Business Park?
Yes. Estates, retail parks and business parks around Dorking, Glebelands Centre Business Park among them, are all within reach. A few photographs and the unit address let us price the work.
Do we have to stop operations in Dorking while the joints are sealed?
In the majority of cases the site keeps working. Joints are done in phases, a bay, aisle or deck at a time. Tell us which hours and entrances we can use and we’ll plan from there.
Can you follow the specification on our project?
Yes. The specification and the manufacturer’s installation guidance are what we work to.
Will you come and look before quoting?
Photos, drawings or a schedule are often enough to quote. If the job needs a look first, we will arrange a visit before quoting.
Are expansion joints and movement joints the same thing?
It’s a deliberate gap that lets the structure move without cracking. Expansion joint is a name often used for the same thing and both need a flexible seal.
Is movement joint sealing guaranteed?
The 12-month guarantee applies to the workmanship. If a joint we sealed fails inside the 12 months, let us know.
Can the building stay open while you work?
Usually, yes. We phase the work so most of the building stays in use, with each area protected and signed.
Doing it in-house
The visible bead is only part of the job. Backing rod, primer where specified and a joint designed to move with the building are easy to get wrong without experience.
For most general trades, sealant is a sideline. A specialist prepares properly, controls joint depth and picks a product with the right movement class, which is what makes a joint last.
Why deal with it now?
A like-for-like reseal of a joint that keeps splitting rarely lasts. If the joint is too narrow or the product wrong for the movement, it needs a different approach and we’ll tell you honestly. Many buildings in towns like Dorking have been extended or altered, and joints where old meets new tend to fail first. Renewing them before water gets in protects the fabric.
Larger quantities, tricky access or phasing all shape the price. So do site requirements such as inductions and permits, along with the time of year for external work.
Why choose Mastic Doctor in Dorking
- Products installed to the manufacturer’s instructions
- Fully insured
- Standard and matched colours in many product ranges
- A Constructionline member, so easy to vet
Read how commercial sealant jobs are priced or our accreditations.
From enquiry to sign-off
Inspect, seal, sign off: that’s the shape of every visit. First comes an inspection and agreement on scope, then the work is carried out to the specified product and detail, and we finish with a walk round so the work can be signed off. For a town like Dorking, we try to group jobs for the same client into one visit, with one quote covering them. Give us your access times and we’ll fit the work in.
- We start with photos, approximate lengths and any drawings, visiting where needed.
- Joint widths and expected movement are checked against what the sealant can take.
- Every joint is cleared of the failed seal and any grit packed into it.
- Any broken arrises or friable edges are flagged before work goes further.
- The right sealant goes in at the right depth, bonded to the two sides only.
- Areas reopen once cured, and the work carries our 12-month guarantee.
Getting the site ready
- Warn occupants and staff about the work
- Share your working hours and any access restrictions
- Let us know about inductions and permits
Ask for a quote
We quote a fixed sum against the scope you give us, so you know the figure before anyone is on site. To ask for one, give us a call on 01277 525 020 or use the quote form.
Advice
How the quote is worked out
The price varies from site to site. It mainly depends on:
- Location, for remote and island sites
- Joint width, depth and condition
- How accessible the joints are
- Whether old sealant has to be cut out first
A quote for movement joints depends on quantities, condition and access, and any specification that applies. Call for a quote.
What to include in your enquiry
We can often quote from photos and a few details. Please tell us:
- Whether an asbestos survey exists
- Any specification or named product
- Anything awkward about access or site hours
- Clear photographs of the problem areas
Send us photographs, 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.
Joints that move: notes for Dorking
Dorking is in the South East, one of the UK’s drier regions. 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. Central London is about 21 miles from Dorking. The South East has large numbers of industrial estates and warehouses along the motorway corridors.
For an estate such as Dorking Community Hospital, less than half a mile south-west of Dorking, the joints in ramps, decks and long building elevations all need attention over time. Phasing is what makes joint work possible on busy sites such as Chapel Lane Industrial Estate (1.6 miles west of Dorking): one bay, aisle or car park row at a time.
Dorking is about 10 miles north-west of Crawley, in Surrey. Dorking sits inside our coverage, with the same fixed quotes and 12-month guarantee as everywhere else. Across Surrey, 379 places are covered, Dorking among them. Sites around London have their own page, about 21 miles away.
Commercial sites across RH4 and RH5 are covered for movement joints. Among the streets we cover are High Street, Station Road and London Road. You will find Dorking on or near the A24 and A25. Sites close to Dorking are covered too, including Pixham (1 mile north-east), North Holmwood (1 mile south), Westhumble (2 miles north), Westcott (2 miles west) and Blackbrook (2 miles south-east). Further afield, our area takes in Guildford (11 miles west), Woking (12 miles north-west), Epsom (8 miles north), Horley (8 miles south-east), Redhill (7 miles east) and Ewell (9 miles north).
Landmarks near Dorking
Locally, jobs take us to sites close to The Wheatsheaf Public House, The Ashcombe School and Deepdene Terrace. Other local landmarks include The Ashcombe School (0.6 miles north) and Pippbrook House (0.5 miles north). The closest station to Dorking is Dorking Deepdene station, roughly 0.6 miles north of the centre. A little further out are Mesolithic Museum (3.9 miles south-west) and Headley Court (4.8 miles north-east). Not far away are Reigate Heath and Box Hill.