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

Fire stopping in Craig's End

Need fire stopping in Craig's End? It’s simple: send details, get a quote, we seal, guaranteed.

  • Non-fire-rated filler around services
  • Improvised or mixed-product fire seals
  • Fire seals cut back for extra cables and never reinstated
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
Backed by a 12-month workmanship guarantee.
London, the South East & Scotland
CHAS accredited
£5m public liability

Need fire stopping in Craig's End?

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

On site: what to expect

We schedule the visit to fit the site hours and access windows you give us. While we are working, the area stays contained and tidy, and your contact hears from us before we move to the next area. Rural sites near Craig's End 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 we go through the drawings, schedule or specification for the seals and raise any questions before we price.
  2. On site, each opening is checked against the tested detail it is meant to follow.
  3. Anything that doesn’t belong in the opening, such as expanding foam or general-purpose filler, is removed.
  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. If an opening needs something other than sealant, we tell you instead of improvising.

Before we start on site

  • Make sure the joints can be reached
  • Arrange parking or a loading space
  • Agree which areas must stay open

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, ring 01277 525 020 or send details through our quote form.

Ask for a quote

Related advice

How we handle fire stopping in Craig's End

It helps to set out our role at the start. The designer, fire engineer or building control decides which fire stopping is required. What we bring is careful installation of the specified sealant, to the maker’s guidance. We work on service gaps in risers, small duct penetrations where the tested detail allows and cable penetrations, and the usual reasons a site gets in touch are builders’ foam or ordinary silicone in compartment walls and penetration schedules that need working through. A specialist sealant contractor works differently from a general builder: in Craig's End, that means joint design, primers and backing rod as standard.

Barn and farm-building conversions near places like Craig's End often combine new partitions with old walls. A penetration seal only performs as tested if product, substrate, service, gap and depth all match the detail.

Guaranteed is the last step of every job. You get a 12-month guarantee on our workmanship, and we explain exactly what that covers when we quote.

Place
Craig's End (CO9)
Region
Essex
Cover
12 months on every job
Quote
Fixed quote, scope in writing
Call
01277 525 020
Page updated
3 November 2026
The Mastic Doctor team beside their liveried vans in front of an office building

After the work

A few simple habits keep the new joints working:

  • Get seals inspected before ceilings and boxing close
  • File the specified details where the next contractor can find them
  • Foam or ordinary sealant is never a fire-seal repair
  • Brief every trade that openings they make must be sealed

Give the sealant its full cure time before ceilings, boxing or decoration go over it. Not every fire-rated product can be painted, and the data sheet says which.

Regular walk-rounds of service areas are worth the time. Catching a damaged seal early keeps the fix small; found late, it can be one of many.

Your questions answered

Will you take on work at estates like Hunnable Industrial Estate, close to Craig's End?

Yes. Estates, retail parks and business parks around Craig's End, Hunnable Industrial Estate among them, are all within reach. A few photos and the unit address let us price the work.

How does the move away from BS 476 affect penetration seals in Craig's End?

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.

Do you take on small jobs?

We quote for single jobs as well as large packages and programmes. Send details for a fixed quote.

How do you choose the sealant?

The specification comes first, if there is one. If there isn’t one, it comes down to the joint: how much it moves, what it bonds to and whether it’s wet, trafficked or fire-rated.

Can one quote cover more than one building?

Yes. Several buildings can share a single quote, and you deal with one contact throughout.

Does weather matter for sealant work?

It can, for external work. Wet joints and cold, damp or frosty conditions stop the sealant bonding properly, so we watch the forecast and rearrange outside work if we have to. Indoors, the weather is rarely a problem.

Are you insured?

Yes. Mastic Doctor is fully insured, public liability included.

Fire stopping around Craig's End: points for this area

In England, Approved Document B covers fire stopping of openings and penetrations. From 2 September 2029, BS 476 references are being taken out of Approved Document B, leaving BS EN 13501-2 classification as the route, subject to the Government’s transitional arrangements. What we install is set by the specification, and it goes in to the tested detail. Central London is about 43 miles from Craig's End. Office refits around the commuter belt bring new cabling through fire-resisting walls; the gaps need the specified seal.

Older community buildings such as Parish Church of St Peter and St Thomas that have been rewired or given new heating can have service gaps through walls worth checking against the specification. Industrial units on estates such as Hunnable Industrial Estate, 2.8 miles east of Craig's End, often separate offices from warehouse space with fire-resisting walls, and new services through them need the specified seal.

Craig's End is in Essex. We send applicators to Craig's End for service penetrations. Across Essex, 644 places are covered, Craig's End among them. For work in that direction, see our London page.

Work on service penetrations is covered throughout CO9, whatever the building. Just outside Craig's End, we also work in Stambourne Green (1 mile north-west), Cornish Hall End (2 miles west), Birdbrook (2 miles north) and New England (3 miles north). Further afield, our area takes in Braintree (9 miles south), Saffron Walden (11 miles west), Halstead (8 miles south-east), Great Dunmow (11 miles south-west), Stansted Mountfitchet (15 miles south-west) and Great Notley (10 miles south).

Local landmarks in Craig's End

Around Craig's End, our work takes us to commercial buildings near The Red Lion Public House and the streets around them. A little further out are Hedingham Castle (4.6 miles east) and Toppesfield Museum of The Working Horse (1.5 miles east).

Map of Craig's End © OpenStreetMap contributors

What sealant work can’t fix

Before quoting, we check that sealant is the right answer. It isn’t the answer for:

  • Plastic pipes whose detail calls for a collar or wrap
  • Walls or floors that aren’t fire-resisting to begin with
  • Issuing fire ratings or certificates for seals

Not sure which it is? You can call the office on 01277 525 020 or email a schedule or drawings and we will tell you honestly.

Surfaces we seal

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

Site staff or a sealant specialist?

Redoing a failed joint usually costs more than getting it right at the outset, since all of it has to come out and the faces be cleaned back again. For that reason, many FMs and contractors use a sealant specialist from the outset.

A short, simple internal joint is often within reach of a maintenance team. The usual problems come from preparation: new sealant over old, damp or dusty faces, or the wrong product for the movement.

Why it’s worth doing now in Craig's End

The longer openings stay, the more there tend to be: every new cable or pipe adds another. Keeping on top of it after each round of works keeps the job small, rather than turning into a full building survey and reseal. Halls, stores and units around places like Craig's End may not be checked every day, so a failed joint can leak for a while before anyone sees it. Resealing early avoids that.

Small jobs and large programmes are priced from the same things: what’s in scope, how we reach it, what’s specified and when it needs doing. Call for a quote and we will put a fixed figure on it.

What you get with us

  • A Constructionline member, so easy to vet
  • Failed material removed, not covered up
  • One number for every site we cover
  • Work carried out by CSCS-carded applicators

Take a look at our cost guide and our accreditations.

What sets the cost

These are the things that shape the price:

  • The total length or number of joints
  • Travel to remote or island sites
  • Whether old sealant has to be cut out first
  • Any access equipment needed

Larger quantities, tricky access or phasing all shape the price. Site requirements like inductions and permits play a part as well.

What we need to price the job

Whether it’s one area or a whole building, these details speed things up:

  • The postcode of the building
  • A wide shot and a close-up of the area
  • Any dates the work must fit around
  • The product your specification calls for

Send us photographs, drawings or a joint schedule and a fixed quote comes back to you. If the job needs a look first, we will arrange a site visit.

Accreditations

Trusted. Accredited. Insured.