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

Fire Stopping in Monkey Street

Fire-rated and intumescent sealing of service penetrations and linear gaps throughout Monkey Street and nearby, carried out by CSCS-carded applicators. Fully insured and CHAS accredited.

  • Improvised or mixed-product fire seals
  • Builders’ foam or ordinary silicone in compartment walls
  • Openings found when ceilings come down for a refit
1
Send details
Drawings, photos, a joint schedule or a site visit.
2
Get a quote
One fixed quote covering the agreed scope.
3
We seal
CSCS-carded applicators, the right product for each joint.
4
Guaranteed
Signed off, with 12 months’ guarantee.
Covering the South East & Scotland
CHAS & Constructionline
Fully insured: £5m PL

Fire stopping for businesses in Monkey Street

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

Site staff or a sealant specialist?

A short, simple internal joint is often within reach of a maintenance team. Where it goes wrong is preparation: sealing over old material, sealing onto damp or dusty surfaces, or a product that can’t take the movement.

Some joints are best left to specialists: for instance fire-rated seals that must match a tested detail, trafficked floor joints and external movement joints. Getting these wrong normally costs more in the end than doing them right.

Fire stopping in Monkey Street

The test standards are BS EN 1366-3 for penetration seals and BS EN 1366-4 for linear joints. That classification, such as EI 60 or EI 120, belongs to the product in its tested arrangement. So our job is to reproduce that arrangement faithfully. If you’re dealing with fire stopping installed outside its tested range and fire seals cut back for extra cables and never reinstated, we can help. Sealant contractors, mastic applicators, sealant specialists: whatever the job title on the order, the work in Monkey Street is the same: the right product in a properly prepared joint.

For a smaller site near Monkey Street, we plan to do all the penetrations in one go, so send the specification and photos first. We install to the specification and the manufacturer’s guidance, leaving design and sign-off with the designer and building control.

Every job is signed off with a 12-month guarantee. It’s a plain promise: if our work fails within that year, we put it right.

Where
Monkey Street (CO7)
Wider area
Essex
Cover
12 months on every job
Price
Quoted before any work starts
Phone
01277 525 020
Last updated
3 November 2026
Mastic Doctor team members lined up next to their branded vans outside an office building

Why deal with it now?

Open penetrations multiply: 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. Around Monkey Street, it’s better to renew all the failing joints at once, rather than one at a time. Photos of every joint help us quote for the whole job.

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 clients in Monkey Street choose us

  • Work to your specification and the manufacturer’s guidance
  • Joints cleaned back to sound surfaces
  • Commercial sealant work since 2005
  • Workmanship guaranteed for 12 months

Read what affects the cost and our accreditations and insurance.

Diagnose, treat, sign off

We follow your site rules from the start: sign-in, induction and whatever permit system the building uses. Once we are cleared to begin, the joints are worked through in the order agreed with your site contact. Jobs in and around smaller places like Monkey Street are typically planned as a single visit, so photographs and measurements up front really help. Then the right materials arrive with us.

  1. We read the specification, drawings or penetration schedule you send.
  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. Mineral wool or other backing goes in wherever the detail asks.
  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 parking and an unloading spot
  • Share the asbestos register for older buildings
  • Share your working hours and any access restrictions

Request a quote

We quote a fixed sum against the scope you give us, so the cost is agreed before work starts. To ask for one, give us a call on 01277 525 020 or email the details over.

Ask for a quote

Read more

When it isn’t the sealant

Some faults sit outside our scope, and we point that out rather than sealing over them:

  • Approving the work on behalf of building control
  • Deciding what a wall or floor needs, which belongs to the designer
  • Fire doors, dampers or other fire safety equipment

If you’re not sure, just call 01277 525 020 or email a schedule or drawings and we’ll give you a straight answer before you book.

Where we work in Monkey Street

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

Penetration seals near Monkey Street

Monkey Street is about 57 miles from central London. Office refits around the commuter belt bring new cabling through fire-resisting walls. For England, the fire stopping of penetrations is dealt with in Approved Document B. References to the older BS 476 classes are being removed from it from 2 September 2029, after which the European classification, BS EN 13501-2, is the route, subject to transitional arrangements. Our part stays the same: the specified product, installed to its tested detail.

Office fit-outs on sites such as Plough Road Business Centre (to the south of Monkey Street) add cabling and pipework through fire-resisting walls, and fire-rated sealant goes in where the specification calls for it. Older community buildings such as Church of St Mary that have been rewired or given new heating can have service gaps through walls worth checking against the specification.

Monkey Street is about 7 miles north-west of Clacton-on-Sea, in Essex. We cover Monkey Street and the rest of Essex, with the same fixed quotes and 12-month guarantee as everywhere else. Monkey Street is one of 644 places in Essex on our list. Our London page has more on work in that area (57 miles or so).

Work on service penetrations is covered throughout CO7. For a building on Rectory Road and Harwich Road or nearby, send details and we’ll quote for service penetrations. Close to Monkey Street, our area also takes in Little Bentley (1 mile east), Cowey Green (1 mile west), Hare Green (1 mile west), Balls Green (2 miles south-west) and Great Bromley (2 miles west). Further afield, our area takes in Colchester (7 miles west), Clacton-on-Sea (7 miles south-east), Harwich (9 miles east), Camulodunum (8 miles west), Greenstead (6 miles west) and Tiptree (15 miles west).

Around Monkey Street

In Monkey Street, that means premises near Bricklayers pub, among other places. Monkey Street’s nearest station is Great Bentley station, about 2.6 miles south. Green spaces nearby include Weeleyhall Wood.

Map of Monkey Street © OpenStreetMap contributors

Surface by surface

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.

Drylining partitions

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

What sets the cost

A fixed quote reflects the actual work. It allows for:

  • Access and working height
  • How much existing material needs removing
  • Site requirements such as inductions and permits
  • How much there is to seal

Larger quantities, tricky access or phasing all shape the price. So do site requirements such as inductions and permits, along with the time of year for external work.

Sending details for a quote

It doesn’t need to be a full survey. These details are enough to start:

  • Drawings or a marked-up plan, if available
  • The type of building and who uses it
  • Photos of the joints, close up and from further back
  • When you need the work done

Send us photos, drawings or a joint schedule and a fixed quote comes back to you. Where a site visit makes more sense, we’ll arrange one.

Monkey Street: questions and answers

What does the BS 476 change mean for fire-rated sealant in Monkey Street?

References to BS 476 classes are being removed from Approved Document B from 2 September 2029, after which BS EN 13501-2 classification is the route, subject to transitional arrangements. The designer or fire engineer sets the specification, and we install the product to the manufacturer’s tested detail.

Is Monkey Street too small for you to travel to?

Not at all. Monkey Street is within our area. We work across Greater London and the South East. Where we can, we group nearby jobs to make the most of each trip.

Is the work guaranteed?

Yes. It runs for twelve months and covers how we prepared and sealed the joints, though not damage or work by other trades.

Does weather matter for sealant work?

Outside, yes. Sealant needs a dry joint and a temperature within the product’s range, so frost, rain or cold mornings can delay outside work. Internal work is rarely affected.

Is it fine to apply new sealant on top of old?

No, never. Sealing over old material is one of the classic causes of early joint failure, so it all comes out first.

Is colour matching possible?

Often, yes. Sealants are made in a wide range of standard colours, and matching to RAL references or nearby finishes is commonly requested. We will confirm the colours available for the specified product.

Is any job too small?

We quote for single jobs as well as large packages and programmes. Photos and a description are enough to start.

Accreditations

Trusted. Accredited. Insured.