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

Fire stopping in Workhouse Hill

Fire stopping in Workhouse Hill, backed by over 20 years in commercial sealing. Fully insured, with a 12-month guarantee.

  • Openings left by services added after handover
  • Seals that don’t match their tested detail
  • Open linear gaps along the top of fire-resisting walls
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
Our workmanship is guaranteed for 12 months.
Covering the South East & Scotland
CHAS accredited
£5m PL insurance

Fire stopping across Workhouse Hill

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

Fire stopping in Workhouse Hill, done properly

Penetration seals are fire tested to BS EN 1366-3 and linear joint seals to BS EN 1366-4 and the results are classified to BS EN 13501-2. That classification, such as EI 60 or EI 120, belongs to the product in its tested arrangement. Reproducing the tested arrangement on site is the part we take care of. Site teams most often ask us about penetration schedules that need working through and fire seals cut back for extra cables and never reinstated, across linear gaps at wall heads, pipe penetrations and service gaps in risers. Sealant applicators who only do sealant are a different proposition from a general trade with a gun in the van: on jobs in Workhouse Hill, preparation and product choice get the time they need.

A job near Workhouse Hill is typically planned around one visit, with the specification and photographs sent in advance. Design and sign-off belong to the designer or building control; we install what’s specified.

Our workmanship is guaranteed for 12 months, in Workhouse Hill as everywhere else we work. If our installation lets you down in that time, we return and fix it.

Where
Workhouse Hill (CO4)
Region
Essex
Cover
12 months on our workmanship
Quotes
Quoted before any work starts
Call
01277 525 020
Last updated
3 November 2026
The Mastic Doctor team standing beside their branded vans outside an office building

Signs you need fire stopping in Workhouse Hill

Linear gaps fail where a fire-resisting wall meets a slab, soffit or another wall. Movement in the frame or slab can open the joint. The tested detail for a linear joint states the width and movement it covers.

It’s worth sending us details if you spot any of the following:

  • Fire stopping installed outside its tested range
  • Unsealed joints where partitions meet the slab
  • Builders’ foam or ordinary silicone in compartment walls
  • Unsealed openings around new pipes and cables

In a school such as Boxted St Peter's Church of England School, fire-rated sealant goes in around service penetrations where it is specified.

Before you book anyone

  • Is depth set with backing rod, or bond-breaker tape in shallow joints?
  • What level of public liability insurance do they hold?
  • Can the work be phased to keep areas open?
  • Their pre-qualification and accreditations

Choosing a commercial sealant contractor

From enquiry to sign-off

Inspect, seal, sign off: that’s the shape of every visit. We inspect the joints and confirm what’s in scope, then the work is carried out to the specified product and detail, and the job ends with a walk round and sign-off. Jobs in and around smaller places like Workhouse Hill are normally planned as a single visit, so we ask for photos and rough sizes first. Then the right materials arrive with us.

  1. First we confirm the product and tested details named in the specification.
  2. Openings are measured and grouped by detail.
  3. Old or wrong materials are cut out.
  4. Where the detail needs backing, it goes in at the stated depth.
  5. We gun the sealant in to the specified depth around each service and tool it.
  6. We walk the completed areas with you and confirm the records agreed at quote stage.

Before we start on site

  • Share the asbestos register for older buildings
  • Point out any areas we must not close
  • Move anything stored against the joints

Get a fixed 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’ll arrange a site visit if anything is unclear.

Ask for a quote

Read more

Surface by surface

Drylining partitions

Service holes through plasterboard are frequently oversized or ragged. If the gap exceeds the tested range, sealant alone won’t do.

Cables and cable bundles

Data cabling added after handover is a regular cause of open service penetrations. Openings around new cables are resealed to the detail, and we tell you if the bundle exceeds what sealant covers.

How the quote is worked out

These are the things that shape the price:

  • Phasing around occupants
  • Joint width, depth and condition
  • The total length or number of joints
  • Whether old sealant has to be cut out first

What a job costs comes down to the quantity of joints, how much old material needs removing and how the joints are reached. Call for a quote once you have the details.

Sending details for a quote

There’s no need for a formal survey. A few details are enough to get going:

  • Asbestos survey details if the building is older
  • Any specification or named product
  • Where the site is, with the postcode
  • Photos of the joints, close up and from further back

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

Compartments and services around Workhouse Hill

Central London is about 53 miles from Workhouse Hill. Offices around the capital are refitted often, and the cabling that follows can breach fire-resisting walls. Approved Document B is the English guidance that covers fire stopping around openings and penetrations. The national BS 476 classes are due to drop out of it from 2 September 2029, leaving the European BS EN 13501-2 route, subject to transitional arrangements. What we install is set by the specification, and it goes in to the tested detail.

In a building such as Church of St Peter, any service penetration through a fire-resisting wall should be sealed to the specified detail. At a healthcare site like Cygnet Hospital Colchester, which lies south of Workhouse Hill, new services through compartment walls are a constant, and each needs the specified seal.

Workhouse Hill is about 4 miles north of Colchester, in Essex. Workhouse Hill sits inside our coverage and the rest of Essex, and jobs here get the same fixed quote and 12-month guarantee as anywhere else. Across Essex, 644 places are covered, Workhouse Hill among them. Sites around London have their own page, about 53 miles away.

Postcode districts covered here: CO4 for service penetrations. For a building on Wet Lane and Workhouse Hill or nearby, we can quote for service penetrations. Just outside Workhouse Hill, we also work in Boxted (1 mile east), Boxted Cross (1 mile east), Langham (2 miles east), Hornestreet (2 miles east) and Thorington Street (2 miles north-east). Nearby towns on our patch include Colchester (4 miles south), Braintree (15 miles west), Clacton-on-Sea (15 miles south-east), Witham (15 miles south-west), Harwich (15 miles east) and Camulodunum (5 miles south).

Landmarks near Workhouse Hill

For rail, the closest station is Colchester station, roughly 3.5 miles south. Nearby you will also find Colchester Castle (4.2 miles south) and Severalls Hospital (2.3 miles south). For a walk, there’s Westhouse Wood.

Map of Workhouse Hill © OpenStreetMap contributors

Honest limits

Part of a good diagnosis is knowing where sealant stops. You’ll hear from us if the cause turns out to be any of the following:

  • Openings that need collars, wraps, batts or boards rather than sealant
  • Designing or specifying fire stopping, which sits with the designer or fire engineer
  • Construction that lacks the fire resistance the seal relies on

Not sure which it is? You can call the office on 01277 525 020 or send photos by email and we’ll tell you honestly.

Surfaces we seal

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

Your questions answered

Is Langham Barns Business Centre, near Workhouse Hill, within your area?

Yes. We cover Workhouse Hill and the area around it, including industrial estates, business parks and retail parks such as Langham Barns Business Centre. To start, just ring 01277 525 020 or email a schedule or drawings with the unit, the joints involved and your access times.

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

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.

What if there’s asbestos in the old mastic?

Some older mastics, especially in pre-2000 buildings, can contain asbestos. We check the asbestos register before cutting out old sealant in an older building, and work stops until any suspect material has been tested. Removing asbestos is a job for asbestos specialists, not us.

When is resealing likely to be due?

Nobody can honestly give a figure in years, because life depends on how much the joint moves, how exposed it is and how it’s cleaned and used. Regular inspection is the best way to catch problems early.

Are your applicators CSCS-carded?

Yes. We use CSCS-carded applicators, which many sites require.

Is the work guaranteed?

Yes. Workmanship is guaranteed for 12 months.

Which sealant will you use?

A specification, where there is one, decides it. Without one, the joint decides: how much it moves, what it bonds to and whether it’s wet, trafficked or fire-rated.

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 and avoids a much larger catch-up later. Halls, stores and units around places like Workhouse Hill may not be checked every day, which gives a failed joint time to do damage. Resealing early avoids that.

Whether it’s a single area or a whole estate, the same things set the price: scope, access, product and programme. Call for a quote, and you’ll have a fixed figure to work with.

Why clients in Workhouse Hill choose us

  • Fully insured, including public liability cover
  • Constructionline member
  • Work carried out by CSCS-carded applicators
  • Old sealant cut out, never sealed over

See our cost guide or how we’re accredited.

Accreditations

Trusted. Accredited. Insured.