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

Fire-rated sealing and fire stopping in Great Bromley, Essex

Sealant work in Great Bromley for main contractors, managing agents and facilities managers: fire-rated and intumescent sealing of service penetrations and linear gaps, quoted at a fixed price.

  • Snag lists that include open service penetrations
  • Fire sealant pulled out of the opening
  • Openings found when ceilings come down for a refit
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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
CSCS-carded applicators, the right product for each joint.
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Guaranteed
Our workmanship is guaranteed for 12 months.
Covering the South East & Scotland
CHAS accredited
£5m public liability

Fire stopping for businesses in Great Bromley

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

Fire stopping in Great Bromley, done properly

It helps to set out our role at the start. Deciding the specification sits with the designer, the fire engineer and building control; sign-off sits with them too. What we bring is careful installation of the specified sealant, to the maker’s guidance in Great Bromley and nearby. The enquiries we see most involve fire-stopping items raised at inspection or handover and unsealed openings around new pipes and cables, on small duct penetrations where the tested detail allows, service gaps in risers and linear gaps at wall heads. Sealant applicators who only do sealant are a different proposition from a general trade with a gun in the van: on jobs in Great Bromley, preparation and product choice get the time they need.

Rural conversions around Great Bromley 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.

Every job is signed off with a 12-month guarantee. It’s a plain promise: if the work we did fails within twelve months, we return to fix it.

Location
Great Bromley (CO7)
Wider area
Essex
Guarantee
A 12-month guarantee
Price
A fixed quote before we start
Telephone
01277 525 020
Last updated
3 November 2026
The Mastic Doctor team standing beside their branded vans outside an office building

Common questions from Great Bromley clients

What does the BS 476 change mean for fire-rated sealant in Great Bromley?

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 cover business parks and estates near Great Bromley, such as Martells Industrial Estate?

Yes. Our area takes in Great Bromley and its surroundings, with estates and business parks such as Martells Industrial Estate included. To start, just speak to us on 01277 525 020 or send details through our quote form with the unit, the joints involved and your access times.

When can you be on site?

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

Does the weather affect the work?

For external joints, yes. The joint has to be dry and within the product’s temperature range, so frost, rain or cold mornings can delay outside work. Internal work is rarely affected.

Who decides which product is used?

A specification, where there is one, decides it. Without one, the joint decides: its movement, its surfaces and what it has to cope with.

Can you work to our specification?

Yes. We follow the specification, along with the manufacturer’s installation guidance.

How do I request a quote?

The quote form is the simplest route, though you can also call the office on 01277 525 020 or send details through our quote form. Photos, drawings or a joint schedule help us quote quickly.

Different surfaces, different methods

Risers and ceiling voids

Service risers and the voids above ceilings are where openings collect. Access to these areas is planned with you in advance.

Masonry and concrete

Openings through concrete vary from tidy cores to rough break-outs. The gap is measured at the widest point against the detail’s limits, and any outside it are raised with you.

Why it’s worth doing now in Great Bromley

Open penetrations multiply: every new cable or pipe adds another. A schedule that is dealt with regularly stays manageable and avoids a much larger catch-up later. For buildings around smaller places like Great Bromley, 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.

Access can matter as much as the joints themselves: joints within easy reach take less time than ones that need access equipment. Mention the access as part of your enquiry.

Why appoint us

  • Work to your specification and the manufacturer’s guidance
  • CHAS accredited contractor
  • Public liability insurance in place
  • Constructionline member

Take a look at our cost guide or how we’re accredited.

Owners, agents and contractors

Main contractors use us as their sealant subcontractor. We work to your programme, your specification and your site rules, and our applicators hold CSCS cards.

We work for building owners and managing agents on sealant work across single buildings or whole portfolios. One quote can cover more than one site, so there’s one set of paperwork to deal with.

Compartment walls and floors in Great Bromley

Central London is about 55 miles from Great Bromley. Tenant changes on commuter-belt business parks mean regular fit-outs, and new services through compartment walls. Approved Document B is the English guidance that covers fire stopping around 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. Either way, we install the specified product to its tested detail.

At a healthcare site like Colchester Hospital, 5.6 miles west of Great Bromley, new services through compartment walls are a constant, and each needs the specified seal. For a unit at a site such as Martells Industrial Estate (2.5 miles north-west of Great Bromley), new power or data runs between office and warehouse can breach a compartment wall.

Great Bromley is about 6 miles east of Colchester, in Essex. We cover commercial sites throughout Great Bromley, whether it’s a single job or part of a planned programme. 644 places across Essex fall within our area, Great Bromley among them. We also cover London, some 55 miles away.

Anyone looking for fire stopping in CO7 gets the same process as the rest of our area: details, then a fixed price, then sealing and a 12-month guarantee. Among the streets we cover are Badley Hall Road, Brook Street and Hall Road, and sites on any of them can send details for a fixed quote. We also cover Cowey Green (1 mile south-east), Hare Green (1 mile south-east), Balls Green (1 mile south), Monkey Street (2 miles east) and Frating Green (2 miles south). Further afield, our area takes in Colchester (6 miles west), Clacton-on-Sea (8 miles south-east), Harwich (10 miles east), Camulodunum (7 miles west), Greenstead (4 miles west) and Tiptree (13 miles south-west).

Local landmarks in Great Bromley

Around Great Bromley, our work takes us to commercial buildings near Ardleigh Park, among other places. The closest station to Great Bromley is Alresford station, about 3.2 miles south-west of the centre. A little further out are Colchester Hospital (5.6 miles west) and Wivenhoe Chapel Museum (3.6 miles south-west). Not far away are Cockaynes Wood.

Map of Great Bromley © OpenStreetMap contributors

Quoting for work in Great Bromley

Each job is priced on its own details. The main factors are:

  • Travel to remote or island sites
  • The size and state of each joint
  • How much existing material needs removing
  • The product specified

No two sites price the same: the joint sizes, the specified product, access and working hours each have a bearing. A fixed quote follows once we understand the job.

Sending details for a quote

To price the job accurately, we need a clear picture of the site. Send us:

  • Any dates the work must fit around
  • Where the site is, with the postcode
  • Whether an asbestos survey exists
  • The type of building and who uses it

To get a fixed quote, call 01277 525 020 or use the quote form. Our quote form is another easy route.

Our process

The first thing on site is a walk round with your contact, agreeing which joints are in scope, where to start and what must stay open. After that, any old or failed material is removed, each joint is prepared and the new sealant goes in. For work around Great Bromley, we aim to finish in one visit, so photos and measurements up front really help. Then the right materials arrive with us.

  1. First we go through the drawings, schedule or specification for the seals 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

  • Move anything stored against the joints
  • Share the asbestos register for older buildings
  • Tell us which areas need to stay in use

Ask for a quote

Every quote starts with the facts: what’s there, how much of it, how we reach it and what’s specified. Send what you have, and we will arrange a site visit if anything is unclear.

Get a quick quote

Read more

What we are called out for in Great Bromley

Openings in fire-resisting walls typically appear when services are added or changed. New cabling, rerouted pipework or a data route drilled through a riser leaves an opening that nobody returns to. Over a few years of fit-outs, a wall can collect a lot of these.

Things that usually lead to an enquiry:

  • Unsealed openings around new pipes and cables
  • Fire-rated sealant that has cracked or shrunk back
  • Penetration schedules that need working through
  • Seals that don’t match their tested detail

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

What to look for in a quote

  • Health and safety accreditation such as CHAS
  • Whether their applicators hold CSCS cards
  • Is depth set with backing rod, or bond-breaker tape in shallow joints?
  • What level of public liability insurance do they hold?

Questions to ask before you appoint anyone

Accreditations

Trusted. Accredited. Insured.