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

Fire-rated sealing and fire stopping in Hellingly, East Sussex

Work needed on a service penetration in Hellingly? We assess it, carry out the work and guarantee our workmanship for 12 months.

  • Builders’ foam or ordinary silicone in compartment walls
  • Service penetrations left open after M&E works
  • Old intumescent sealant that has split away
1
Send details
Photos, drawings or a schedule, or we visit.
2
Get a quote
One fixed quote covering the agreed scope.
3
We seal
The right sealant, to the right depth, neatly finished.
4
Guaranteed
Backed by a 12-month workmanship guarantee.
London, the South East & Scotland
CHAS accredited
£5m PL insurance

Fire stopping across Hellingly

Send drawings, photos or a joint schedule, or tell us about the site, and we’ll come back with a fixed quote.

Fire stopping for commercial buildings in Hellingly

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. The enquiries we see most involve fire sealant pulled out of the opening and builders’ foam or ordinary silicone in compartment walls, on pipe penetrations, service gaps in risers and cable penetrations. Sealant applicators who only do sealant are a different proposition from a general trade with a gun in the van: in Hellingly, that means joint design, primers and backing rod as standard.

Buildings in a smaller place such as Hellingly that need fire-rated sealing are typically schools, care homes, surgeries, small offices and flats over shops. Specified fire-rated sealant goes around new services there, built to match the manufacturer’s detail.

We stand behind the joints we seal: 12 months, guaranteed. That covers our preparation and application, and we come back if anything isn’t right.

The Mastic Doctor team beside their liveried vans in front of an office building
Location
Hellingly (BN27)
Wider area
East Sussex
Cover
12 months on every job
Quote
Quoted before any work starts
Phone
01277 525 020
Updated
3 November 2026

Why act early in Hellingly

Open penetrations multiply: every new cable or pipe adds another. Keeping on top of it after each round of works keeps the job small and avoids a much larger catch-up later. Over time, UV, weather and movement wear any sealant out. Renewing it in good time keeps the building weathertight.

We don’t publish prices, since every building and every scope is different. Call for a quote and we’ll price your job on its own details.

Why clients in Hellingly choose us

  • Constructionline member
  • CSCS-carded applicators
  • Work to your specification and the manufacturer’s guidance
  • Fully insured

Read what affects the cost and our accreditations.

What we are called out for in Hellingly

Most open service penetrations are left by later work. New cabling, rerouted pipework or a data route drilled through a riser leaves an opening that nobody returns to. Across several fit-outs, the openings add up.

Things that normally lead to an enquiry:

  • Fire seals cut back for extra cables and never reinstated
  • Fire stopping installed outside its tested range
  • Openings found when ceilings come down for a refit
  • Expanding foam used as fire stopping

In a school such as Hawkes Farm Academy, fire-rated sealant goes in around service penetrations where it is specified.

Comparing quotes

  • Their pre-qualification and accreditations
  • Their public liability cover
  • Will CSCS-carded applicators be on site?
  • The terms of the workmanship guarantee

How to choose a sealant contractor

When to bring in a 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.

Using site staff can make sense for a small touch-up, but larger jobs are different: a specialist works through quantities efficiently, leaves a consistent finish and backs it with a 12-month guarantee.

Fire stopping in Hellingly: the local picture

Central London is about 45 miles from Hellingly. Offices around the capital are refitted often, and the cabling that follows can breach fire-resisting walls, and the gaps need sealing with the specified product. There are a number of hotels within about 2 miles of Hellingly. Bedroom-to-corridor walls in hotels are normally fire-resisting, so new cabling or pipework through them has to be sealed to the tested detail.

Hospital estates such as Amberstone Hospital (to the east of Hellingly) are divided into fire compartments, and any service penetration through them should be sealed to the specified, tested detail. Where a unit on an estate such as Crown Close Industrial Estate, which lies south of Hellingly, has fire-resisting walls between offices and warehouse, any new service through them should be sealed to the tested detail.

Hellingly is about 1 mile north of Hailsham, in East Sussex. Any commercial site in Hellingly is covered, whether it’s a single job or part of a planned programme. Our East Sussex coverage takes in 308 places, large and small. We also cover Brighton, some 17 miles away.

Postcode districts covered here: BN27 for service penetrations. Buildings on Station Road, Cheviot Street and Iris Close are within our area. If your building is just outside Hellingly, we cover Upper Horsebridge (1 mile south-west), Lower Horsebridge (1 mile west), Magham Down (1 mile east), Hailsham (1 mile south) and Tile Hurst (1 mile south-west). Nearby towns on our patch include Eastbourne (7 miles south), Hastings (13 miles east), Bexhill-on-Sea (9 miles east), Seaford (10 miles south-west), Lewes (11 miles west) and Crowborough (12 miles north).

Landmarks near Hellingly

Recent enquiries here include premises near Hailsham Community College and the streets around them. For rail, the closest station is Polegate station, about 4.3 miles south. Other landmarks nearby include Hellingly Hospital Railway (less than half a mile north) and Sussex Farm Museum (3.6 miles north).

Map of Hellingly © OpenStreetMap contributors

Our process

At the end of each section, the masking comes off, the area is cleaned and every joint is checked, ready for your sign-off. If an area should be left alone while the sealant cures, we say how long and put signs out. If neighbouring businesses or buildings around Hellingly need work too, visits can be combined. Tell us your site hours and we will plan around them.

  1. We ask for the product and detail your designer has specified.
  2. Openings are measured and grouped by detail.
  3. Improvised fillers and failed sealant are removed.
  4. Mineral wool or other backing is fitted where required.
  5. Fire-rated or intumescent sealant goes in around the services and is tooled off.
  6. We walk the completed areas with you and confirm the records agreed at quote stage.

Getting the site ready

  • Tell us what induction or permit system the site runs
  • Move anything stored against the joints
  • Send your site hours and access windows

Ask for a quote

Send details, get a quote, we seal, guaranteed: that’s how every job runs. To take the first step, speak to us on 01277 525 020 or email drawings and photos.

Ask for a quote

Read more

Questions about Hellingly

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

From 2 September 2029, Approved Document B drops its BS 476 references in favour of BS EN 13501-2 classification, with transitional arrangements. The designer or fire engineer sets the specification, and we install the product to the manufacturer’s tested detail.

Will you take on work at estates like Crown Close Industrial Estate, close to Hellingly?

Yes. We cover Hellingly and the area around it, including industrial estates, business parks and retail parks such as Crown Close Industrial Estate. To start, just ring 01277 525 020 or email us with the unit, the joints involved and your access times.

Do you take on multi-site work?

Yes. Several buildings can share a single quote, with one point of contact across South East England, Greater London and Scotland.

How long do sealant joints last?

There isn’t a single answer, since movement, weather, cleaning and use all affect it. Regular checks let you plan resealing before leaks or damage.

Can you follow the specification on our project?

Yes. Include it with the drawings when you ask for a quote, and the quote will be based on it, flagging anything that needs clarifying.

Are you insured?

Yes. We are fully insured, including public liability cover.

What do you charge?

Every job gets its own fixed quote. To get one, speak to us on 01277 525 020 or send photos by email with a description of the work.

Maintenance after handover

Your facilities or cleaning team can help the joints last. Share these points with them:

  • Treat an open penetration as a priority repair
  • Arrange inspection before areas are covered up
  • Record which product was used where
  • Ask which product is in place before decorating

Allow the manufacturer’s stated cure time before boxing in or decorating. Not every fire-rated product can be painted, and the data sheet says which.

Looking at service areas on a regular cycle pays off. A cracked or disturbed seal found early is a small job compared with dozens found at once.

What affects the price in Hellingly

Sealant work doesn’t have a standard rate, since sites vary so much. What we take into account:

  • Joint width, depth and condition
  • Whether old sealant has to be cut out first
  • Location, for remote and island sites
  • Specialist products, such as fire-rated or hygienic sealants

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.

Details that help us quote

A good diagnosis starts with the right details. Let us know:

  • Any specification or named product
  • Access details, including height
  • The site address and postcode
  • Rough lengths or quantities, or drawings if you have them

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 send photos by email.

Accreditations

Trusted. Accredited. Insured.