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

Fire stopping in Great Berry

Fire-rated and intumescent sealing of service penetrations and linear gaps in Great Berry and across Essex. CHAS accredited and fully insured, with a 12-month guarantee.

  • Builders’ foam or ordinary silicone in compartment walls
  • Unsealed joints where partitions meet the slab
  • Seals disturbed by maintenance and left open
1
Send details
Photos, drawings or a schedule, or we visit.
2
Get a quote
A fixed quote for the work, with the scope in writing.
3
We seal
CSCS-carded applicators, the right product for each joint.
4
Guaranteed
Signed off, with 12 months’ guarantee.
South East, London & Scotland
CHAS & Constructionline
£5m PL insurance

Fire stopping across Great Berry

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

Building owners, agents and FMs in Great Berry

Agents, factors and owners’ representatives all follow the same route: send the details, accept a fixed quote, and we carry out and guarantee the work. Keys, access and contacts can be agreed in advance.

Hospitality, education, healthcare, office and retail clients come to us directly as well. The work is planned around how the building runs, so the building keeps working while we do.

How we handle fire stopping in Great Berry

On a fit-out or refurbishment, we follow the services contractors floor by floor. To price a package, give us a call on 01277 525 020 or email drawings and photos with the schedule or marked-up drawings and the specified product data. Tell us what records you need and we’ll confirm with the quote. The enquiries we see most involve snag lists that include open service penetrations and unsealed penetrations discovered above suspended ceilings, on linear gaps at wall heads, small duct penetrations where the tested detail allows and pipe penetrations. Whoever orders the work in Great Berry, the brief is typically the same: a clear scope, tidy work and joints that don’t fail again.

In places the size of Great Berry, fire-resisting walls and floors are found in schools, care homes, health centres and mixed-use buildings. Around those penetrations, fire-rated sealant is installed if specified, with depth, backing and gap all as tested.

The 12-month guarantee is for workmanship rather than 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.

The Mastic Doctor team standing beside their branded vans outside an office building
Location
Great Berry (SS16, SS15, CM13)
Wider area
Essex
Guarantee
12 months on every job
Price
Fixed quote, scope in writing
Call
01277 525 020
Last updated
3 November 2026

Penetration seals near Great Berry

Great Berry is about 22 miles from central London. Business park offices in the commuter belt are refitted as tenants change, and each fit-out adds services through compartment walls; the gaps need the specified seal. Approved Document B is the English guidance that covers fire stopping around openings and penetrations. Its BS 476 references are being withdrawn from 2 September 2029, with BS EN 13501-2 classification taking over, subject to transitional arrangements. Our part stays the same: the specified product, installed to its tested detail.

For a school such as Great Berry Primary School, penetration sealing fits best at the end of the summer works. For a unit at a site such as Laindon North Trading Estate, which lies north of Great Berry, new power or data runs between office and warehouse can breach a compartment wall. For a building such as St John, new heating or data runs are the usual reason penetrations need sealing.

Great Berry is about 2 miles west of Basildon, in Essex. Across the SS16 postcode area, it works the same way: send details, get a fixed quote, we seal, and the work is guaranteed. We work across 644 places in Essex, large and small. Sites around London have their own page, about 22 miles away.

Anyone looking for fire stopping in SS16, SS15 and CM13 gets the same process as the rest of our area: details, then a fixed price, then sealing and a 12-month guarantee. Streets here include New Avenue, Coburg Lane and West Avenue. Close to Great Berry, our area also takes in Langdon Hills (1 mile south-east), Laindon (1 mile north-east), Lee Chapel (2 miles east), Steeple View (2 miles north-east) and Basildon (2 miles east). Bigger towns within reach include Chelmsford (12 miles north), Brentwood (6 miles north-west), Canvey Island (8 miles east), Billericay (4 miles north), Rayleigh (9 miles east) and Wickford (6 miles north-east).

Local landmarks in Great Berry

We work on buildings around Gloucester Park and The James Hornsby School, among other places. For rail, the closest station is Laindon station, roughly 0.7 miles east. Well-known places in the area include Basildon University Hospital (1.9 miles east) and Eastgate Shopping Centre (2.2 miles east). For a walk, there’s Langdon Nature Reserve.

Map of Great Berry © OpenStreetMap contributors

How the quote is worked out

Each job is priced on its own details. The things that drive the figure:

  • Joint width, depth and condition
  • Travel to remote or island sites
  • The site’s rules and procedures
  • Whether old sealant has to be cut out first

Every site prices differently: joint size, product, access and site hours all play a part. Send the details and a fixed figure follows.

Sending details for a quote

However big the job, these details speed things up:

  • Access details, including height
  • Asbestos survey details if the building is older
  • Clear photographs of the problem areas
  • Specification clauses that apply

Need a figure for a tender or a budget? Send the scope and any drawings, and we’ll return a fixed quote you can plan around. For a chat about it beforehand, call 01277 525 020 or send details through our quote form.

Your questions answered

Do you cover business parks and estates near Great Berry, such as Laindon North Trading Estate?

Yes. We cover Great Berry and the area around it, including industrial estates, business parks and retail parks such as Laindon North Trading Estate. A few photographs and the unit address let us price the work.

Can you take on a job at a hospital such as Basildon University Hospital?

Yes. Healthcare sites are among the places we work. We follow the site’s permits, sign-in and infection-control procedures in every area.

Will fire-rated sealant work on every penetration?

No. It depends on the tested detail for that wall or floor and service. Large openings, many plastic pipes and some ducts need collars, wraps, batts or boards, and we flag those rather than improvise.

Is your workmanship covered by a guarantee?

Yes. Our workmanship is backed for 12 months.

Is BS 476 being phased out?

From 2 September 2029, Approved Document B in England drops its references to BS 476 classes. The European route, BS EN 13501-2, then applies. Product selection stays with your designer.

Do you approve fire stopping for building control?

No. We don’t certify or sign off fire stopping, and we hold no third-party fire-stopping installer certificate. Our part is fitting the specified product to its tested detail, and any records you need can be confirmed with the quote.

How do I request a quote?

You can use the quote form on this site; alternatively, phone 01277 525 020 or email a schedule or drawings. Photos, drawings or a joint schedule help us quote quickly.

When something else is needed

We check first that sealant really is the fix. It isn’t the answer for:

  • Openings that need collars, wraps, batts or boards rather than sealant
  • Reviewing a building’s overall fire safety
  • Designing or specifying fire stopping, which sits with the designer or fire engineer

Not sure which it is? You can call 01277 525 020 or email a schedule or drawings and we will tell you honestly.

Joints and surfaces we work on

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

When to bring in a specialist

What you see is the finished bead, but most of the work is hidden. Correct depth, the right primer and a sealant matched to the movement are easy to get wrong without experience.

Putting right a botched joint often costs more than sealing it well at the start, because the whole bead must be removed and the faces cleaned back again. That’s why many clients bring in a specialist from the beginning.

Aftercare for building managers

Sealant joints are maintenance items, and their life depends on movement, exposure, cleaning and use. We suggest:

  • Foam or ordinary sealant is never a fire-seal repair
  • File the specified details where the next contractor can find them
  • Treat an open penetration as a priority repair
  • Look above ceilings when tiles are lifted for other jobs

After the work, brief anyone else working in the area that the openings are now sealed. Any seal cut back for a new service needs reinstating to its tested detail using the same product.

On fit-outs, get the fire-stopping specification agreed before the services go in. The designer can then choose details that suit the services planned.

Our process

Site rules come first: sign-in, induction and whatever permit system the building uses. Once we’re cleared to begin, we take the joints in the sequence agreed with you, and each area is checked before we leave it. For a job in Great Berry, the main thing is a clear picture of the work. You will then get a fixed price for the work.

  1. We start with your penetration schedule, drawings or specification.
  2. Access, permits and the order of areas are agreed with the site team.
  3. Each opening is checked for wall or floor type, service, gap and depth.
  4. Foam, ordinary sealant and debris come out.
  5. Backing and fire-rated sealant are installed to the detail and tooled.
  6. We tell you about openings that need a different product.

Getting the site ready

  • Flag any permit to work we will need
  • Share your working hours and any access restrictions
  • Move anything stored against the joints

Quotes

If there’s a specification, drawings or a tender package, send it with your enquiry, and we’ll price against exactly what is specified. For smaller jobs, photographs and a description will do.

Get a quick quote

Read more

Accreditations

Trusted. Accredited. Insured.