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

Farleigh fire stopping

Work needed on a service penetration in Farleigh? We assess it, carry out the work and guarantee our workmanship for 12 months.

  • Fire-stopping items raised at inspection or handover
  • Openings found when ceilings come down for a refit
  • Head-of-wall gaps with no fire seal
1
Send details
Send the specification, photos or a marked-up plan.
2
Get a quote
One fixed quote covering the agreed scope.
3
We seal
The right sealant, to the right depth, neatly finished.
4
Guaranteed
Backed by a 12-month workmanship guarantee.
Covering the South East & Scotland
Constructionline member
£5m PL insurance

Fire stopping for Farleigh sites

Photos, a specification or a quick description of the joints is enough to start a fixed quote.

Common problems we fix in Farleigh

Openings in fire-resisting walls usually appear when services are added or changed. New cabling, rerouted pipework or a data route drilled through a riser can leave the hole behind. Over a few years of fit-outs, a wall can collect a lot of these.

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

  • Penetration schedules that need working through
  • Unsealed openings around new pipes and cables
  • Builders’ foam or ordinary silicone in compartment walls
  • Unsealed joints where partitions meet the slab

For a building such as Church of St Mary the Virgin, new heating or data runs are the usual reason penetrations need sealing.

Comparing quotes

  • Health and safety accreditation such as CHAS
  • Whether their applicators hold CSCS cards
  • Will failed sealant be removed rather than covered?
  • Do they follow the manufacturer’s priming guidance?

Questions to ask before you appoint anyone

Fire stopping in Farleigh, done properly

No fire sealant works on its own: its test evidence covers one product in one kind of wall or floor, with set services, gaps, depths and backing. Before we seal anything, we check the opening against the detail it is meant to follow, and we say so if it doesn’t fit. We work on joints between fire-resisting walls and floors, cable penetrations and service gaps in risers, and the failures we’re asked to look at most are open linear gaps along the top of fire-resisting walls and penetration schedules that need working through. Sealant applicators who only do sealant are a different proposition from a general trade with a gun in the van: in Farleigh, that means joint design, primers and backing rod as standard.

Rural conversions around Farleigh can put new fire-resisting partitions inside older structures. Where a pipe or cable passes through a fire-resisting wall, the seal must match the tested detail: product, substrate, gap and depth.

We stand by our work with a 12-month guarantee. It covers how we prepared and applied the sealant, and we come back if anything isn’t right.

The Mastic Doctor team standing beside their branded vans outside an office building
Place
Farleigh (CR6)
Wider area
Surrey
Guarantee
12 months on our workmanship
Quotes
Quoted before any work starts
Telephone
01277 525 020
Last updated
3 November 2026

Farleigh: questions and answers

How does the move away from BS 476 affect penetration seals in Farleigh?

From 2 September 2029, Approved Document B drops its BS 476 references in favour of BS EN 13501-2 classification, with transitional arrangements. Our part doesn’t change: the specified product, to its tested detail.

Is Farleigh off your patch?

No. Small places get the same service as large ones. We work across Greater London and the South East. Send photographs and a list of what needs doing, and we will plan the job to need as few trips as possible.

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.

Can you work while the building is occupied?

In the majority of cases, yes. Phased work can be planned so areas stay in use, with each area protected and signed.

What hours do you work?

We’re in the office from 8am until 5pm, Monday to Friday. Let us know your site hours and access windows, and the work will be planned around them.

Will you quote for a small job?

Whatever the size, the process is the same: details, then a fixed price, then sealing, then a 12-month guarantee.

How soon can the area be used again?

We will confirm how long the chosen product needs to cure.

What happens if it’s left?

Open penetrations multiply: each new service adds to the list. Keeping on top of it after each round of works keeps the job small, rather than turning into a full building survey and reseal. For buildings around smaller places like Farleigh, water damage can go unnoticed for longer, especially where a building isn’t used daily, which gives a failed joint time to do damage. Renewing joints in good time avoids the problem.

Whether it’s a single area or a whole estate, the same things set the price: what’s in scope, how we reach it, what’s specified and when it needs doing. Call for a quote, and you will have a fixed figure to work with.

Why us?

  • Specification-led, product-correct work
  • Old sealant cut out, never sealed over
  • 12-month guarantee on workmanship
  • Constructionline member

Read how commercial sealant jobs are priced or our accreditations.

For managing agents and facilities managers

Facilities managers want contractors who arrive with the paperwork sorted. Tell us what site paperwork you need, such as RAMS, an insurance certificate or CSCS details, and we’ll confirm with the quote.

If you look after buildings for someone else, you need clear quotes and clear reporting. We quote a fixed sum, confirm the scope and walk the finished work with you or your representative, plus a 12-month guarantee.

When it isn’t the sealant

Not every problem is a sealant problem, and we’d rather tell you before you spend money. It won’t fix:

  • Gaps in walls that were never built as compartment walls
  • Approving the work on behalf of building control
  • Openings that need collars, wraps, batts or boards rather than sealant

Not sure which it is? You can call 01277 525 020 or email a schedule or drawings and we’ll tell you honestly.

Joints and surfaces we work on

  • Pipe penetrations
  • Joints between fire-resisting walls and floors
  • Linear gaps at wall heads
  • Service gaps in risers
  • Small duct penetrations where the tested detail allows
  • Cable penetrations

What affects the price in Farleigh

To price the job, we consider:

  • The total length or number of joints
  • How accessible the joints are
  • Which sealant the job calls for
  • Site requirements such as inductions and permits

The product called for affects the cost, and so does the preparation, such as cutting out, priming or new backing rod. Access, phasing and site requirements come into it too.

What to include in your enquiry

There’s no need for a formal survey. These details are enough to start:

  • The site address and postcode
  • The asbestos register, for older buildings
  • What the building is and how it’s used
  • Any dates the work must fit around

Pricing a project or setting a maintenance budget? Send the scope and any drawings, and we will return a fixed quote that you can work with. If you have questions first, call 01277 525 020 or email the details over.

Fire stopping around Farleigh: how the place shapes the job

Farleigh lies roughly 12 miles out from central London. Office refits around the commuter belt bring new cabling through fire-resisting walls; the gaps need the specified seal. In England, Approved Document B covers fire stopping of openings and penetrations. Its BS 476 references are being withdrawn from 2 September 2029, with BS EN 13501-2 classification taking over, subject to transitional arrangements. Either way, we install the specified product to its tested detail.

Colleges such as John Ruskin College, 1.7 miles to the north of Farleigh, add IT and services as courses change, and each new penetration through a fire-resisting wall needs sealing with the specified product. Industrial units on estates such as Vulcan Way Industrial Estate, 1.7 miles to the north-east of Farleigh, often separate offices from warehouse space with fire-resisting walls, and new services through them need the specified seal.

Farleigh is about 4 miles north-east of Caterham, in Surrey. Anywhere in CR6, the process is the same: send details, get a fixed quote, we seal, and the work is guaranteed. Farleigh is one of 379 places we cover in Surrey. There’s a separate page for London, about 12 miles away.

Anyone looking for fire stopping in CR6 gets the same process as the rest of our area: send details, get a quote, we seal, guaranteed. Streets here include Farleigh Court Road and Old Farleigh Road. We also cover Chelsham (1 mile south), Fickleshole (1 mile east), Forestdale (1 mile north), New Addington (1 mile north-east) and Hamsey Green (1 mile west). Nearby towns on our patch include Epsom (10 miles west), Horley (12 miles south-west), Redhill (9 miles south-west), Ewell (10 miles west), Reigate (10 miles south-west) and Caterham (4 miles south-west).

Landmarks near Farleigh

We work on buildings around Ledgers Wood and the streets around them. For rail, the closest station is Upper Warlingham station, roughly 2.3 miles south-west of the centre. A little further out are Warlingham Park Hospital (0.6 miles south) and East Surrey Museum (3.7 miles south-west). Open spaces near Farleigh include Nore Hill and Hutchinson's Bank.

Map of Farleigh © OpenStreetMap contributors

Diagnose, treat, sign off

When we get to site, we sign in, go through any site induction and check how permits are handled. Everything around the joints gets protected before any cutting starts, and the work typically takes a single visit for a short list of penetrations, or a phased programme for a whole building. Rural sites near Farleigh may need directions, gate codes or a contact on site. Add it to your enquiry and we will build it into the plan.

  1. We read the specification, drawings or penetration schedule you send and ask about anything unclear.
  2. Every penetration is compared with its detail: wall or floor type, service, gap size and depth.
  3. Unsuitable fillers and loose debris are taken out of each opening.
  4. We fit the backing the detail asks for, to the stated depth.
  5. Fire-rated or intumescent sealant is gunned in to the specified depth, then tooled.
  6. Openings that need a collar, wrap, batt or other product are flagged to you rather than filled with sealant.

What we need from you

  • Tell us what induction or permit system the site runs
  • Point out any areas we must not close
  • Confirm the product named in the specification

Getting a fixed quote

Tell us about the building, the joints and when you need the work done, and a fixed quote will follow. To get it moving, phone 01277 525 020 or send details through our quote form.

Ask for a quote

Related advice

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