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

Industrial and floor joint sealing in Coldharbour, Surrey

Floor joint sealing and filling in warehouses, factories and industrial units in Coldharbour. CHAS accredited and fully insured, with a 12-month guarantee.

  • Filler that has parted from one face
  • Dock area joints that have failed first
  • Trucks and loads jolting over damaged joints
1
Send details
Send the specification, photos or a marked-up plan.
2
Get a quote
A fixed price, with what’s included set out clearly.
3
We seal
Failed joints cut out, faces prepared, new sealant laid.
4
Guaranteed
12-month guarantee on our workmanship.
South East, London & Scotland
Constructionline member
£5m public liability

Floor joint sealing across Coldharbour

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

Floor joint sealing in Coldharbour, done properly

Sometimes the concrete either side of a joint has already spalled. Filling against a crumbled arris won’t hold for long, so if the edges need repair before any filling, we will say so and leave that decision with you. The enquiries we see most involve grimy joint lines spoiling a showroom floor and joint edges breaking up under truck wheels, on forklift and pallet-truck routes, saw-cut induced joints and retail and showroom floors. Sealant contractors, mastic applicators, sealant specialists: whatever the job title on the order, in Coldharbour it comes down to the same thing: the right product in a properly prepared joint.

Around smaller places such as Coldharbour, floor joints are often in barns and farm buildings turned into workshops, stores and offices. Whether it’s a farm store turned workshop or a storage unit, the joints need a product that suits the traffic.

Every job we finish is backed by a 12-month workmanship guarantee. If our installation lets you down in that time, we return and fix it.

Location
Coldharbour (RH5)
Region
Surrey
Cover
12 months on our workmanship
Price
Fixed quote, scope in writing
Call
01277 525 020
Last updated
3 November 2026
The Mastic Doctor team standing beside their branded vans outside an office building

FAQs: Coldharbour

Which documents can you supply for work in Coldharbour?

Whatever your site asks for, from RAMS to CSCS details, is confirmed when we quote. We are CHAS accredited and a Constructionline member, with £5m public liability insurance and CSCS-carded applicators.

Will our site in Coldharbour have to close for joint sealing?

Typically not: we work in sections and hand each one back once it has cured. Tell us which hours and entrances we can use and we’ll plan from there.

Is colour matching possible?

In many cases, yes. Many products come in a range of standard colours, and matching to RAL references or surrounding finishes is often possible. We confirm what’s available for the specified product when we quote.

Can the warehouse stay open while you work?

The work is phased. Areas are taken out of use a section at a time. Tell us your site hours and access windows and we’ll plan around them.

Are your applicators CSCS-carded?

Yes. Should the site need card details in advance, tell us and we’ll confirm them with the quote.

Why has the filler pulled away from one side?

Separation normally comes from slab shrinkage, poor preparation or the wrong product. We diagnose the cause before suggesting a fix.

When can forklifts run over new joint filler?

Cure times vary with the product and the conditions. We’ll give you a time for each zone when we agree the phasing.

Signs you need floor joint sealing in Coldharbour

An ageing filler or sealant can go brittle and split, particularly where cleaning machines and traffic work it daily. At that point it neither holds the edges nor keeps debris out.

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

  • A rough ride across broken joints
  • Unfilled floor joints collecting dirt and grit
  • Joint edges breaking up under truck wheels
  • Brittle joint filler breaking up

Around Coldharbour, open joints collect water and debris, and the arrises are the next to go.

What your quote should include

  • How they handle RAMS and site documents
  • Is depth set with backing rod, or bond-breaker tape in shallow joints?
  • Will failed sealant be removed rather than covered?
  • Can the work be phased to keep areas open?

Our contractor checklist

Our process

Our CSCS-carded applicators arrive with the sealants, primers and backing rod the job calls for. Any old material is cut back to clean, sound faces, the manufacturer’s primer is applied where it’s called for, and each bead is tooled to a neat concave finish. Rural sites near Coldharbour may need directions, gate codes or a contact on site. Add it to your enquiry and we’ll build it into the plan.

  1. First comes a walk of the floor to record joint sizes, broken edges and traffic routes.
  2. You get a fixed quote with the product and the phasing set out.
  3. Each joint is cleared of old fill and dirt and taken back to clean, sound edges.
  4. We vacuum each run and prime it if the chosen product requires a primer.
  5. Filler or sealant goes in to the right depth and is finished flush with the slab.
  6. We tell you when each zone can carry trucks again and move on to the next.

Getting the site ready

  • Explain the parking and delivery arrangements
  • Move anything stored against the joints
  • Tell staff and tenants when we will be in

Getting a fixed quote

To get a fixed quote, call 01277 525 020 or send photos by email. You can also send details through our quote form.

Ask for a quote

Advice

Should maintenance staff do it?

For a quick touch-up, site staff may be fine, but anything bigger is another matter: a specialist brings efficiency, a consistent finish and a 12-month guarantee.

Redoing a failed joint usually costs more than getting it right at the outset, because the whole bead must be removed and the faces cleaned back again. That’s why many clients bring in a specialist from the beginning.

What the job involves on each surface

Construction joints

Day joints vary, with or without armoured edges. We will tell you if the edges or any armouring look like they need attention before filling.

Saw-cut induced joints

Open saw cuts collect grit and break at the arris. Filled in good time, they stay narrow and neat.

Owners, agents and contractors

For main contractors, we work as the sealant subcontractor, on new build and refurbishment alike. We work to your programme, your specification and your site rules.

When you manage a building on behalf of an owner, clear figures and clear communication matter. We quote a fixed sum, confirm the scope and walk the finished work with you or your representative, plus a 12-month guarantee.

Slabs, ramps and loading bays in Coldharbour

Rainfall across the South East, Coldharbour included, is lower than in many parts of the UK. Outside joints in yards and car parks still have to be dry before sealing, and winter de-icing salt on car parks and ramps works into any open joint. At about 25 miles from central London, Coldharbour is within reach of the capital. The South East has large numbers of industrial estates and warehouses along the motorway corridors.

In and around Coldharbour, the right filler or sealant for each joint depends on the traffic and the movement it takes.

Coldharbour is about 4 miles south of Dorking, in Surrey. Any commercial site in Coldharbour is covered. Our Surrey coverage takes in 379 places, from busy centres to rural villages. Our London page has more on work in that area.

Business premises anywhere in RH5 are within our area for floor joints. Sites close to Coldharbour are covered too, including Abinger Bottom (2 miles north-west), South Holmwood (2 miles north-east), Holmwood Corner (2 miles east), Friday Street (2 miles north-west) and Beare Green (2 miles east). A short drive away, we cover Guildford (10 miles north-west), Woking (13 miles north-west), Epsom (11 miles north), Horley (8 miles east), Redhill (9 miles north-east) and Ewell (13 miles north).

Landmarks near Coldharbour

Locally, jobs take us to sites close to Wotton and Abinger Commons and Plough Inn, among other places. For rail, the closest station is Holmwood station, about 1.6 miles east. Other landmarks nearby include Mesolithic Museum (2.6 miles north-west) and Abinger Castle (2.6 miles north-west). For a walk, there’s Vann Lake and Leith Hill.

Map of Coldharbour © OpenStreetMap contributors

Leave it or put it right?

Holding off until the whole floor can close can take a long time. Phased in zones, the busiest routes can be treated first and the remainder follows on a plan that suits you. Halls, stores and units around places like Coldharbour may not be checked every day, so a failed joint can leak for a while before anyone sees it. Resealing early avoids that.

Every site prices differently: the joint sizes, the specified product, access and working hours each have a bearing. A fixed quote follows once we understand the job.

Why clients in Coldharbour choose us

  • Fully insured
  • One phone line for London, the South East and Scotland
  • Constructionline member for supplier checks
  • Health and safety: CHAS accredited

Read our cost guide and our accreditations and insurance.

Accreditations

Trusted. Accredited. Insured.