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

Fire stopping in Coxtie Green

Need fire stopping in Coxtie Green? Send us the details for a fixed quote, backed by a 12-month guarantee on the work.

  • Damaged fire seals in risers and voids
  • Non-fire-rated filler around services
  • Head-of-wall gaps with no fire seal
1
Send details
Photos, drawings or a schedule, or we visit.
2
Get a quote
Scope agreed and priced before anything starts.
3
We seal
CSCS-carded applicators, the right product for each joint.
4
Guaranteed
Backed by a 12-month workmanship guarantee.
Covering the South East & Scotland
CHAS & Constructionline
Fully insured: £5m PL

Fire stopping near Coxtie Green

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

Fire stopping for commercial buildings in Coxtie Green

A fire-rated sealant is only one part of a tested system: the evidence covers a specific product, wall or floor type, service, gap, depth and backing. We match each opening to that detail before any sealant goes in, and we say so if it doesn’t fit. Most enquiries involve fire seals cut back for extra cables and never reinstated and hidden openings found during inspections, across pipe penetrations, cable penetrations and small duct penetrations where the tested detail allows. One point of contact handles commercial sealant work in Coxtie Green from the first photographs to the final walk-round, for single jobs and planned programmes alike.

Smaller places such as Coxtie Green still have buildings with fire-resisting walls and floors: schools, halls, care homes and commercial conversions. Any service penetration through those walls should be closed with the specified product, set out as its test evidence shows.

We stand by our work with a 12-month guarantee. That covers our preparation and application, and we come back if anything isn’t right.

The Mastic Doctor team standing beside their branded vans outside an office building
Where
Coxtie Green (CM14)
Wider area
Essex
Cover
12 months on our workmanship
Quote
Quoted before any work starts
Telephone
01277 525 020
Page updated
3 November 2026

Owners, agents and contractors

Agents, factors and owners’ representatives all follow the same route: send details, get a fixed quote, we seal, guaranteed. Keys, access and contacts can be agreed in advance.

FMs need a contractor who is easy to get on site. Let us know the documents you need (RAMS, insurance certificate, CSCS details) and we will confirm them with the quote.

Compartment walls and floors in Coxtie Green

For England, the fire stopping of penetrations is dealt with in Approved Document B. Its BS 476 references are being withdrawn from 2 September 2029, with BS EN 13501-2 classification taking over, subject to transitional arrangements. We install whatever has been specified, to the product’s tested detail. At about 18 miles from central London, Coxtie Green is within reach of the capital. Business park offices in the commuter belt are refitted as tenants change, and each fit-out adds services through compartment walls.

At a college such as Havering Technical College, which lies south-west of Coxtie Green, checking penetration seals after summer M&E works is good practice. At a healthcare site like Nuffield Hospital, 2.6 miles south-east of Coxtie Green, new services through compartment walls are a constant, and each needs the specified seal. In a school such as Becket Keys Church of England School, fire-rated sealant goes in around service penetrations where it is specified.

Coxtie Green is about 2 miles north-west of Brentwood, in Essex. Commercial clients in Coxtie Green use us for work on service penetrations. Our Essex coverage takes in 644 places, large and small. Our London page has more on work in that area.

Postcode districts covered here: CM14. Buildings on Coxtie Green Road and Warwick Place are within our area. Close to Coxtie Green, our area also takes in Bentley (1 mile north), Navestock Side (1 mile north), Horseman Side (1 mile west), St Vincent's Hamlet (1 mile south-west) and South Weald (1 mile south). Bigger towns within reach include Chelmsford (12 miles north-east), Basildon (10 miles south-east), Harlow (11 miles north-west), Billericay (7 miles east), Rayleigh (15 miles east) and Loughton (8 miles west).

Around Coxtie Green

In Coxtie Green, that means premises near The White Horse pub and Weald Country Park, among other places. For rail, the closest station is Brentwood station, about 2.6 miles south-east of the centre. A little further out are Brentwood Community Hospital (2.7 miles south-east). Open spaces near Coxtie Green include Warley Place.

Map of Coxtie Green © OpenStreetMap contributors

Our process

Working in a building that stays open takes some planning. The work area is signed and kept contained, with routes through the building left open and move on in phases so staff and visitors can carry on around us. Rural sites near Coxtie Green may need directions, gate codes or a contact on site. Add it to your enquiry and we will build it into the plan.

  1. First we go through the drawings, schedule or specification for the seals and ask about anything unclear.
  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. Openings that need a collar, wrap, batt or other product are flagged to you rather than filled with sealant.

Before we start on site

  • Point out any areas we must not close
  • Confirm the product named in the specification
  • Explain the parking and delivery arrangements

Get a fixed quote

Quotes are fixed against the scope you send, so the cost is agreed before work starts. To start the process, ring 01277 525 020 or send photos by email.

Get a price

Read more

What sets the cost

Quotes vary with the job. It mainly depends on:

  • Phasing around occupants
  • Backing rod, priming and other preparation
  • The product specified
  • Access and working height

Pricing service penetrations depends on quantities, condition and access, plus any specification you are working to. Call for a quote.

What we need to price the job

To price the job accurately, we need to understand the site. Useful things to include:

  • Whether the building will be occupied during the work
  • When you need the work done
  • Anything awkward about access or site hours
  • Drawings or a marked-up plan, if available

Every job follows the same four steps: send details, get a quote, we seal, guaranteed. The first step is to ring 01277 525 020 or send photos by email with what you know.

Different surfaces, different methods

Cables and cable bundles

Single cables and small bundles are often within a fire-rated sealant’s tested detail. Bundle size, cable type and the space between cables all matter and we work within those limits.

Linear joints

Head-of-wall joints often have to absorb slab deflection. The specified product and backing for that movement are what goes in.

Why act early in Coxtie Green

A seal that doesn’t match its tested detail gives false comfort. The fix is to remove it and reinstall to the detail, and doing it once, properly, is cheaper. For buildings around smaller places like Coxtie Green, water damage can go unnoticed for longer, especially where a building isn’t used daily, so a failed joint can leak for a while before anyone sees it. Renewing joints in good time avoids the problem.

The specified product makes a difference, as does the preparation each joint needs, from cutting out to priming and backing rod. Access, phasing and site requirements come into it too.

Why us?

  • Health and safety: CHAS accredited
  • Fully insured, including public liability cover
  • A Constructionline member, so easy to vet
  • 12-month guarantee on workmanship

See what affects the cost and our accreditations.

Questions we are asked in Coxtie Green

Do you cover business parks and estates near Coxtie Green, such as Warley Hill Business Park?

Yes. Estates, retail parks and business parks around Coxtie Green, Warley Hill Business Park among them, are all within reach. Send details of the unit and the work through our quote form for a quick quote.

Can work at a site such as Havering Technical College fit around teaching?

Yes, holiday working periods are the norm on campus jobs. Any paperwork you need, from RAMS to our insurance certificate and CSCS details, is confirmed with the quote.

Can you quote from photographs?

It depends on the job. Straightforward work can often be priced from photos and measurements, and bigger or more complex jobs typically get a visit.

Does the weather affect the work?

It can, for external work. Sealant won’t bond properly to a wet or frosty joint, so we watch the forecast and rearrange outside work if we have to. Indoors, the weather is rarely a problem.

How do you choose the sealant?

If the job is specified, we follow the specification. If not, we choose for the movement, the surfaces and the conditions, in line with the manufacturer’s guidance.

Can you seal any opening with fire-rated sealant?

No. Each fire-rated sealant is tested for particular services, gap sizes and substrates. If an opening falls outside, it needs another solution.

Which standards are fire seals tested to?

In short, BS EN 1366-3 and 1366-4 are the fire tests and BS EN 13501-2 is how results are classified. EI 60 means integrity and insulation for 60 minutes in the tested arrangement; installing to the detail is what carries that across to site.

Looking after the joints

A few simple habits keep the new joints working:

  • Ask the designer to confirm details early on refits
  • Make fire stopping part of every scope that crosses a fire-resisting wall
  • Keep general-purpose fillers away from compartment walls
  • Keep product data and details in the fire safety file

Give the sealant its full cure time before ceilings, boxing or decoration go over it. Some fire-rated sealants accept paint and some don’t, so check the product data first.

Make reporting new openings part of every permit to work in service areas. Small habits like this stop openings building up.

Accreditations

Trusted. Accredited. Insured.