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

Steventon End fire stopping

Looking for fire stopping in Steventon End? It’s simple: send details, get a quote, we seal, guaranteed.

  • Expanding foam used as fire stopping
  • Fire stopping installed outside its tested range
  • Old intumescent sealant that has split away
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
Prepared joints, the specified product, a tidy finish.
4
Guaranteed
Signed off, with 12 months’ guarantee.
Covering the South East & Scotland
CHAS accredited
£5m PL insurance

Fire stopping across Steventon End

Tell us what needs sealing and where, with photos or drawings if you have them, and we’ll price it.

Questions about Steventon End

How does the removal of BS 476 from Approved Document B affect fire-rated sealing in Steventon End?

From 2 September 2029, Approved Document B drops its BS 476 references in favour of BS EN 13501-2 classification, with transitional arrangements. Whichever applies, we install the specified product to its tested detail; the specification is for the designer to set.

Does your area include sites such as The Mount Business Park, near Steventon End?

Yes. Our area takes in Steventon End and its surroundings, with estates and business parks such as The Mount Business Park included. Photos and a short description are enough for a first look.

How do we ask for a quote?

The quote form is the simplest route, though you can also ring 01277 525 020 or email the details over. Include photos or drawings if you have them.

How long do sealant joints last?

There’s no fixed lifespan: movement, exposure, cleaning, traffic and the product all play a part. Treat them as maintenance items and inspect them regularly.

How do you deal with asbestos in old sealant?

The duty to manage asbestos sits with the building’s dutyholder, so we will ask for the register before work on an older building. Work pauses if suspect material is found, until it has been tested.

Can you fit around our working hours?

Mention the site’s hours and access windows in your enquiry, and we’ll plan around them. Our office runs Monday to Friday, 8am until 5pm.

How many days will you need on site?

It depends on the scope, but the work usually takes a single visit for a short list of penetrations, or a phased programme for a whole building. Larger or phased jobs take longer, and we will give you a timescale with the quote.

Fire stopping for commercial buildings in Steventon End

Opened ceilings and riser doors often reveal service openings nobody sealed. If a specification already covers those walls and floors, we can reseal to it using the product and detail it sets out. Where there isn’t one, the designer or fire engineer needs to set one first. We work on linear gaps at wall heads, pipe penetrations and small duct penetrations where the tested detail allows, and the failures we are asked to look at most are open linear gaps along the top of fire-resisting walls and seals disturbed by maintenance and left open. Looking for mastic applicators who cover Steventon End? We have been sealing commercial buildings since 2005.

Smaller places such as Steventon End still have buildings with fire-resisting walls and floors: schools, halls, care homes and commercial conversions. If sealant is what the specification names, we install it around the services exactly as the maker’s detail sets out.

Work we carry out comes with a 12-month guarantee. If an installation problem shows up, ring 01277 525 020 or email us and we will arrange a return visit.

The Mastic Doctor team beside their liveried vans in front of an office building
Location
Steventon End (CB10)
Wider area
Essex
Guarantee
12 months on every job
Quote
Fixed quote, scope in writing
Call
01277 525 020
Last updated
3 November 2026

Why it’s worth doing now in Steventon End

Open service penetrations matter on ordinary days, not just in a fire: smoke, noise and draughts pass through them every day. The specified fire seal closes the gap for all of these. One visit to deal with every failing joint makes more sense than several trips to a place like Steventon End. Photos of every joint help us quote for the whole job.

The product called for affects the cost, as does the preparation each joint needs, such as cutting out, priming or new backing rod. Access, phasing and site rules also count.

What you get with us

  • Joints cleaned back to sound surfaces
  • Clear, fixed quotes
  • Fully insured, including public liability cover
  • Commercial sealant work since 2005

See how commercial sealant jobs are priced and how we’re accredited.

For managing agents and facilities managers

Main contractors use us as their sealant subcontractor on new-build and refurbishment projects. Programme, specification and site rules come first, and our applicators hold CSCS cards.

Whether you’re a managing agent, a property factor or an owner’s representative: send details, get a fixed quote, we seal, guaranteed. We can agree access arrangements and keyholder contacts beforehand.

Aftercare for building managers

Regular inspection catches problems early. In particular:

  • Look above ceilings when tiles are lifted for other jobs
  • Leave fire sealant to cure fully before covering it
  • Have penetrations checked while they can still be seen
  • Settle who seals which penetrations at the start of a project

New services after handover are a common way fire stopping gets breached. Building it into each contractor’s sign-off keeps the walls intact.

A simple record of seal locations and products helps. When a new service goes through, everyone knows which product and detail to match.

How the job changes by surface

Drylining partitions

Holes in board are often cut larger than needed. If the gap exceeds the tested range, sealant alone won’t do, and the detail may call for board patching or another product.

Risers and ceiling voids

Risers and ceiling voids hold most of a building’s service penetrations. Access is often tight, so we agree it with you in advance along with any permits your site needs.

Our process

Inspect, seal, sign off: every visit follows that pattern. We inspect the joints and confirm what’s in scope, then we prepare and seal each joint with the specified product, and the job ends with a walk round and sign-off. Rural sites near Steventon End may need directions, gate codes or a contact on site. Add it to your enquiry and we’ll build it into the plan.

  1. First we confirm the product and tested details named in the specification.
  2. We sort the openings by the detail each one needs.
  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.

Preparing the site

  • Warn occupants and staff about the work
  • Point out any areas we must not close
  • Have the specification and drawings to hand

Request a quote

We quote a fixed sum against the scope you give us, so you know the figure before anyone is on site. To start the process, ring 01277 525 020 or email drawings and photos.

Get a quick quote

Related advice

Service penetrations in Steventon End buildings

At about 43 miles from central London, Steventon End is within reach of the capital. Tenant changes on commuter-belt business parks mean regular fit-outs, and new services through compartment 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. What we install is set by the specification, and it goes in to the tested detail.

For a hospital such as Saffron Walden Community Hospital, 3.9 miles to the south-west of Steventon End, penetration sealing is normally phased ward by ward, with infection-control rules agreed first. Office fit-outs on sites such as The Mount Business Park, 2.7 miles north of Steventon End, add cabling and pipework through fire-resisting walls, and fire-rated sealant goes in where the specification calls for it. In a school such as Ashdon Primary School, fire-rated sealant goes in around service penetrations where it is specified.

Steventon End is about 4 miles north-east of Saffron Walden, in Essex. Across the CB10 postcode area, the process is the same: send details, get a fixed quote, we seal, and the work is guaranteed. Across Essex, 644 places are covered, Steventon End among them. For work in that direction, see our London page, about 43 miles away.

We take on service penetrations across the CB10 postcode area. We also cover Ashdon (1 mile west) and Church End (1 mile south-west). Further afield, our area takes in Saffron Walden (4 miles south-west), Halstead (15 miles south-east), Great Dunmow (13 miles south), Stansted Mountfitchet (12 miles south-west), Bocking (15 miles south-east) and Elsenham (11 miles south-west).

Around Steventon End

Locally, jobs take us to sites close to The Bricklayers Arms Public House, among other places. Well-known places in the area include Saffron Walden Community Hospital (3.9 miles south-west) and Castle Camps (1.7 miles east). Green spaces nearby include Hales and Shadwell Woods and Rivey Hill.

Map of Steventon End © OpenStreetMap contributors

What we can’t put right

Part of a good diagnosis is knowing where sealant stops. We will tell you if the real problem is one of these:

  • Gaps in walls that were never built as compartment walls
  • Designing or specifying fire stopping, which sits with the designer or fire engineer
  • Large openings beyond what any sealant detail covers

Not sure which it is? You can call the office on 01277 525 020 or email a schedule or drawings and we’ll tell you honestly before you book.

Where we work in Steventon End

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

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