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

Fire stopping in Howe Green

Fire-rated and intumescent sealing of service penetrations and linear gaps in Howe Green. CHAS accredited and fully insured, with a 12-month guarantee.

  • Service penetrations left open after M&E works
  • Fire sealant pulled out of the opening
  • Hidden openings found during inspections
1
Send details
Drawings, photos, a joint schedule or a site visit.
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.
4
Guaranteed
Signed off, with 12 months’ guarantee.
South East, London & Scotland
Constructionline member
£5m public liability

Fire stopping for businesses in Howe Green

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

Fire stopping in Howe Green

The test standards are BS EN 1366-3 for penetration seals and BS EN 1366-4 for linear joints, with results classified under BS EN 13501-2. A rating such as EI 60 only holds when the product is installed as it was tested. So our job is to reproduce that arrangement faithfully. If you are dealing with openings left by services added after handover and penetration schedules that need working through, we can help. One point of contact handles commercial sealant work in Howe Green from the first photos to the final walk-round, whether it’s one building or several.

A job near Howe Green is usually planned around one visit, with the specification and photos sent in advance. We install to the specification and the manufacturer’s guidance, leaving design and sign-off with the designer and building control.

Our 12-month guarantee is about workmanship, not wear and tear. How long a sealant joint lasts depends on movement, exposure, cleaning and use, so we spell out the cover before we begin.

Location
Howe Green (CM2)
Region
Essex
Guarantee
12 months on every job
Quote
Fixed quote, scope in writing
Telephone
01277 525 020
Page updated
3 November 2026
The Mastic Doctor team beside their liveried vans in front of an office building

How a job runs

Tell us your site hours and access windows and we’ll plan around them. While we’re working, the area stays contained and tidy, and we check in with your contact before moving on to each new area. Rural sites near Howe Green may need directions, gate codes or a contact on site. Send that with the details and we will confirm the plan with the quote.

  1. We read the specification, drawings or penetration schedule you send.
  2. On site, each opening is checked against the tested detail it is meant to follow.
  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. We apply the specified sealant to the depth and around the services as the detail shows.
  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

  • Send asbestos survey details if the building is pre-2000
  • Point out parking and an unloading spot
  • Tell us your opening times and when work is allowed

Request a quote

The quickest route to a quote is a few photos and the site postcode. Send them through the quote form, or phone 01277 525 020 or email drawings and photos if you’d rather talk the job through.

Ask for a quote

Read more

Why deal with it now?

Leave a penetration open and smoke and fire can cross into the next compartment far earlier than intended. Putting it right is usually a modest job when the openings are accessible. Wait until ceilings close or areas are occupied and the same work becomes harder to reach. Around Howe Green, it’s better to renew all the failing joints at once. Send photos of each area and we’ll quote for the lot.

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.

Why appoint us

  • Our applicators hold CSCS cards
  • One number for every site we cover
  • Workmanship guaranteed for 12 months
  • Fully insured

See what affects the cost and how we’re accredited.

How the quote is worked out

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

  • The product specified
  • Site requirements such as inductions and permits
  • Access and working height
  • Phasing around occupants

Access can matter as much as the joints themselves: easy-to-reach joints are quicker than those that need equipment to get to. Mention the access as part of your enquiry.

Details that help us quote

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

  • Photos of the joints, close up and from further back
  • Anything awkward about access or site hours
  • What the building is and how it’s used
  • Approximate linear metres or a joint schedule

Every quote starts with the facts: the joints involved, quantities, access and the product called for. Share whatever details you have and we’ll fill any gaps with a visit.

Surface by surface

Drylining partitions

Drylined fire walls are tested in a particular build-up. The sealant detail has to be tested in that wall type, with the stated board layers.

Plastic pipes

Plastic waste pipes through slabs come up often. The detail decides whether sealant alone is enough, and we won’t substitute it for a specified collar.

What we can’t put right

We seal joints; we don’t mend everything behind them. Sealant alone won’t deal with:

  • Issuing fire ratings or certificates for seals
  • Designing or specifying fire stopping, which sits with the designer or fire engineer
  • Gaps in walls that were never built as compartment walls

If you are not sure, just call the office on 01277 525 020 or send details through our quote form and we’ll give you a straight answer.

Joints and surfaces we work on

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

Penetration seals near Howe Green

Fire stopping of openings and penetrations in England falls under Approved Document B. 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. At about 30 miles from central London, Howe 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.

For a hospital such as Phoenix Hospital (1.2 miles north-west of Howe Green), penetration sealing is usually phased ward by ward, with infection-control rules agreed first. For an estates team at a campus like Anglia Ruskin University, which lies north-west of Howe Green, summer M&E works are typically followed by a round of penetration sealing. Office fit-outs on sites such as Beehive Business Centre, 2.3 miles to the north-west of Howe Green, add cabling and pipework through fire-resisting walls, and fire-rated sealant goes in where the specification calls for it.

Howe Green is about 3 miles south-east of Chelmsford, in Essex. Howe Green sits inside our coverage, and jobs here get the same fixed quote and 12-month guarantee as anywhere else. Our Essex coverage takes in 644 places. Our London page has more on work in that area.

Anyone looking for fire stopping in CM2 gets the same process as the rest of our area: details, then a fixed price, then sealing and a 12-month guarantee. We cover commercial and managed buildings on Chalklands, Southend Road and The Tythings and the roads nearby. We also cover East Hanningfield (2 miles south-east), West Hanningfield (2 miles south-west), Bicknacre (2 miles east), Rettendon (3 miles south) and South Hanningfield (3 miles south) for service penetrations. Bigger towns within reach include Chelmsford (3 miles north-west), Basildon (9 miles south), Braintree (13 miles north), Brentwood (11 miles south-west), Maldon (7 miles east) and Canvey Island (12 miles south).

Landmarks near Howe Green

For rail, the closest station is Chelmsford station, roughly 3.6 miles north-west of the centre. Other landmarks nearby include Bond Street Chelmsford (3.3 miles north-west) and Baddow Hospital (1.2 miles north-west). The countryside around Howe Green includes Hanningfield Reservoir.

Map of Howe Green © OpenStreetMap contributors

Howe Green: questions and answers

Will you plan work around the academic year at somewhere like Anglia Ruskin University?

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.

Is hospital work, at somewhere like Phoenix Hospital, something you do?

Yes, provided the work is planned with the site’s estates team. Before anything starts, the estates team agrees permits, inductions and infection-control measures with us.

Do you cover Howe Green?

Yes. Howe Green falls within our area, and the simplest way to start is to call the office on 01277 525 020 or use the quote form.

Can you quote from photos?

Many jobs can be quoted from photos, drawings or a joint schedule. Where they aren’t, we arrange a site visit.

Do you work to architects’ specifications?

Yes. Include it with the drawings when you ask for a quote, and we’ll price the work to it.

How soon can the area be used again?

Curing time varies by product, and we confirm it on the day, and flag anything to keep off until it has cured.

Are you members of a third-party fire-stopping installer scheme?

No. We are not members of a third-party fire-stopping installer scheme. We are CHAS accredited and a Constructionline member, and our applicators are CSCS-carded. Where a client or main contractor requires a scheme member, we’ll say so straight away rather than waste your time.

Doing it in-house

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.

General builders and handymen seal joints, but it isn’t their main trade. A specialist prepares properly, controls joint depth and picks a product with the right movement class.

Accreditations

Trusted. Accredited. Insured.