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

Fire-rated sealing and fire stopping in Bicknor, Kent

Commercial sealant work in Bicknor for contractors, FMs and building owners: fire-rated and intumescent sealing of service penetrations and linear gaps, quoted at a fixed price.

  • Unsealed joints where partitions meet the slab
  • Unsealed penetrations discovered above suspended ceilings
  • Unsealed openings around new pipes and cables
1
Send details
Tell us about the site, with photos if you have them.
2
Get a quote
A fixed price, with what’s included set out clearly.
3
We seal
The right sealant, to the right depth, neatly finished.
4
Guaranteed
Signed off, with 12 months’ guarantee.
London, the South East & Scotland
Constructionline member
£5m public liability

Fire stopping for businesses in Bicknor

Tell us what needs sealing and where, with photos or drawings if you have them, and we’ll price it.

Cost factors for service penetrations

Before we quote, we look at:

  • Access and working height
  • Backing rod, priming and other preparation
  • Distance, for remote addresses
  • Site requirements such as inductions and permits

Whether it’s a single area or a whole estate, the same things set the price: scope, access, product and programme. Call for a quote and we will put a fixed figure on it.

What to include in your enquiry

The more we know, the firmer the quote. Helpful details to send:

  • A wide shot and a close-up of the area
  • Where the site is, with the postcode
  • Asbestos survey details if the building is older
  • Rough lengths or quantities, or drawings if you have them

If there’s a specification, drawings or a tender package, send it with your enquiry, and we will price the work to it. Smaller jobs need nothing more than photographs and a few notes.

How we handle fire stopping in Bicknor

We are commercial sealant applicators, CHAS accredited and a Constructionline member, with CSCS-carded applicators on site. We hold no third-party fire-stopping installer certificate. We install the specified fire-rated sealant to its tested detail, and our workmanship carries a 12-month guarantee. We work on small duct penetrations where the tested detail allows, pipe penetrations and linear gaps at wall heads, and the failures we’re asked to look at most are openings found when ceilings come down for a refit and penetration schedules that need working through. A specialist sealant contractor works differently from a general builder: on jobs in Bicknor, preparation and product choice get the time they need.

For a smaller site near Bicknor, we plan to do all the penetrations in one go, so send the specification and photographs first. Design and sign-off belong to the designer or building control; we install what’s specified.

The 12-month guarantee covers our workmanship: the preparation, the sealing and the tooling. It doesn’t extend to damage, other trades’ later work or movement the joint was never designed to take.

The Mastic Doctor team beside their liveried vans in front of an office building
Location
Bicknor (ME9)
Region
Kent
Guarantee
12 months on our workmanship
Quote
A fixed quote before we start
Telephone
01277 525 020
Last updated
3 November 2026

Should maintenance staff do it?

General builders and handymen seal joints, but it isn’t their main trade. A specialist prepares properly, controls joint depth and picks a product with the right movement class, which is what makes a joint last.

There’s also the paperwork. Many sites expect CSCS cards, RAMS and proof of insurance, and our CSCS-carded applicators are used to working under those rules.

Do you need fire stopping in Bicknor?

Openings in fire-resisting walls normally appear when services are added or changed. New cabling, rerouted pipework or a data route drilled through a riser can leave the hole behind. Across several fit-outs, the openings add up.

Common reasons buildings call us in:

  • Fire-stopping items raised at inspection or handover
  • Open linear gaps along the top of fire-resisting walls
  • Unsealed penetrations discovered above suspended ceilings
  • Damaged fire seals in risers and voids

In a building such as Church of St James, any service penetration through a fire-resisting wall should be sealed to the specified detail.

What your quote should include

  • Proof of insurance
  • Do they follow the manufacturer’s priming guidance?
  • Their pre-qualification and accreditations
  • Can the work be phased to keep areas open?

How to choose a sealant contractor

Questions we’re asked in Bicknor

Could you schedule work at a campus like Canterbury Christ Church University for the vacation?

Yes. We plan campus work around teaching, exams and residence turnarounds. Let us know which documents your site asks for, and we’ll confirm them alongside the quote.

Is a smaller place like Bicknor outside your area?

No. Places such as Bicknor are covered as much as the big towns. Our area covers London and the South East counties. Send photos and a list of what needs doing, and we’ll plan the job to need as few trips as possible.

How do I request a quote?

There are four steps: send details, receive a fixed quote, we carry out the work, and it’s guaranteed. Step one needs little more than photos and a postcode.

Can weather delay the job?

Outside, yes. Sealant needs a dry joint and a temperature within the product’s range, so damp, frosty or very cold days can stop external work. Internal work is rarely affected.

Can you quote from photos?

Many jobs can be quoted from photos, drawings or a joint schedule. Where they aren’t, we arrange a site visit.

Is BS 476 being phased out?

For buildings in England, Approved Document B removes BS 476 references from 2 September 2029. Classification to BS EN 13501-2 becomes the expected evidence. Scotland follows its own Technical Handbook.

How long does a typical visit take?

The duration is planned around your programme and the access we are given. You’ll have an expected duration with the quote.

From enquiry to sign-off

A typical day starts with protection: tape along each joint edge and covers over finishes, stock and equipment close by. The work itself normally takes a single visit for a short list of penetrations, or a phased programme for a whole building, and we clear our waste as we work. Jobs in and around smaller places like Bicknor are usually planned as a single visit, so we ask for photographs and rough sizes first. Then the right materials arrive with us.

  1. We ask for the product and detail your designer has specified.
  2. We sort the openings by the detail each one needs.
  3. Improvised fillers and failed sealant are removed.
  4. Mineral wool or other backing is fitted where required.
  5. We gun the sealant in to the specified depth around each service and tool it.
  6. Completed areas are checked with you, with the records agreed when we quoted.

Getting the site ready

  • Send your site hours and access windows
  • Warn occupants and staff about the work
  • Flag any permit to work we will need

Quotes

Quotes are fixed against the scope you send, so you know the figure before anyone is on site. To start the process, phone 01277 525 020 or send details through our quote form.

Get a price

Read more

What the job involves on each surface

Drylining partitions

Plasterboard partitions are tested as a specific construction. We check that the product’s detail covers that partition type and board thickness before sealing.

Plastic pipes

Waste and drainage pipes through floors are a frequent case. The detail decides whether sealant alone is enough.

Maintenance after handover

Every sealant joint needs some looking after, and their life depends on movement, exposure, cleaning and use. Our advice:

  • Treat an open penetration as a priority repair
  • Make fire stopping part of every scope that crosses a fire-resisting wall
  • Check risers and ceiling voids after each round of works
  • File the specified details where the next contractor can find them

New services after handover are a common way fire stopping gets breached. Building it into each contractor’s sign-off keeps the walls intact.

Regular walk-rounds of service areas are worth the time. Catching a damaged seal early keeps the fix small.

Fire-rated sealing for Bicknor buildings

Bicknor lies roughly 36 miles out from central London. Tenant changes on commuter-belt business parks mean regular fit-outs, and new services through compartment walls. For England, the fire stopping of penetrations is dealt with in Approved Document B. The national BS 476 classes are due to drop out of it from 2 September 2029, leaving the European BS EN 13501-2 route, subject to transitional arrangements. Our part stays the same: the specified product, installed to its tested detail.

For a hospital such as KIMS hospital, 4.9 miles to the west of Bicknor, penetration sealing is normally phased ward by ward, with infection-control rules agreed first. On a site such as Kent Science Park (2.7 miles north-east of Bicknor), every fit-out that runs new services through a compartment wall leaves penetrations to seal with the specified product.

Bicknor is about 4 miles south-west of Sittingbourne, in Kent. If you are looking for fire stopping in Bicknor, we can help, as we do across Kent. Our Kent coverage takes in 931 places. Sites around London have their own page, about 36 miles away.

Anyone looking for fire stopping in ME9 gets the same process as the rest of our area: details, then a fixed price, then sealing and a 12-month guarantee. If your building is just outside Bicknor, we cover Hucking (1 mile west), Wormshill (1 mile south-east), Broad Street (2 miles south-west), Hollingbourne (2 miles south-west) and Eyhorne Street (3 miles south-west). Nearby towns on our patch include Maidstone (6 miles west), Ashford (14 miles south-east), Sittingbourne (4 miles north-east), Faversham (9 miles east), Minster (10 miles north-east) and Kings Hill (12 miles west).

Local landmarks in Bicknor

The closest station to Bicknor is Hollingbourne station, about 2.8 miles south-west. Other landmarks nearby include Leeds Castle (3.7 miles south-west) and KIMS hospital (4.9 miles west). Not far away are Detling Hill.

Map of Bicknor © OpenStreetMap contributors
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