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

Fire-rated sealing and fire stopping in Worth, West Sussex

Need fire stopping in Worth? Send us the details for a fixed quote, backed by a 12-month guarantee on the work.

  • Fire stopping installed outside its tested range
  • Fire sealant pulled out of the opening
  • Openings left by services added after handover
1
Send details
Tell us about the site, with photos if you have them.
2
Get a quote
A fixed price, with what’s included set out clearly.
3
We seal
Failed joints cut out, faces prepared, new sealant laid.
4
Guaranteed
Our workmanship is guaranteed for 12 months.
London, the South East & Scotland
CHAS & Constructionline
Fully insured: £5m PL

Fire stopping in Worth

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

How we handle fire stopping in Worth

It helps to set out our role at the start. Deciding the specification sits with the designer, the fire engineer and building control; sign-off sits with them too. We fit the specified fire-rated sealant following that specification and the maker’s installation guidance on sites in Worth. If you are dealing with seals that don’t match their tested detail and unsealed joints where partitions meet the slab, we can put it right. For commercial sealant work in Worth, you deal with one contact from quote to sign-off, for single jobs and planned programmes alike.

Buildings in a smaller place such as Worth 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.

What our 12-month guarantee covers is the way we did the job: the preparation, the sealing and the tooling. Damage, later alterations by others and movement beyond what the joint was designed for sit outside it.

Mastic Doctor team members lined up next to their branded vans outside an office building
Location
Worth (RH10)
Wider area
West Sussex
Cover
12 months on every job
Price
Fixed quote, scope in writing
Call
01277 525 020
Last updated
3 November 2026

Compartments and services around Worth

Worth lies roughly 27 miles out from central London. Office refits around the commuter belt bring new cabling through fire-resisting walls. There are three care or nursing homes within about 2 miles of Worth. Care settings depend on compartmentation, so service penetrations made during maintenance or refurbishment need sealing with the specified product.

Workshops and IT rooms at colleges like Crawley College (1.5 miles west of Worth) are re-serviced often, leaving penetrations to seal. Tenant changes at parks like Worth Corner Business Centre (to the north of Worth) bring new data and services, and openings through fire-resisting walls need the specified seal.

Worth is about 2 miles east of Crawley, in West Sussex. Looking for fire stopping in Worth? We can help, as we do across West Sussex. We work across 373 places in West Sussex, from busy centres to rural villages. Our Brighton page has more on work in that area, about 19 miles away.

If you need fire stopping in RH10, the process matches everywhere else we work: details, then a fixed price, then sealing and a 12-month guarantee. If your site is on Worth Road, Banks Road and Saxon Road or close by, send details and we’ll quote for service penetrations. Just outside Worth, we also work in Pound Hill (1 mile north), Maidenbower (1 mile south), Three Bridges (1 mile north-west), Tilgate (1 mile south-west) and Forge Wood (2 miles north). Nearby towns on our patch include Horsham (8 miles south-west), Haywards Heath (8 miles south), Burgess Hill (11 miles south), East Grinstead (6 miles east), Broadfield (3 miles south-west) and Billingshurst (15 miles south-west).

What’s near Worth

Recent enquiries here include premises near Oriel High School, Worth Park Gardens and Dem Shish pub and the streets around them. The closest station to Worth is Three Bridges station, about 0.7 miles north-west. Well-known places in the area include Crawley Hospital (2.2 miles west) and County Mall (1.6 miles west). Green spaces nearby include Tilgate Lake.

Map of Worth © OpenStreetMap contributors

On site: what to expect

Before any cutting starts, the area is protected: masking tape along the joint edges and sheeting over anything nearby. The work itself normally takes anything from one day to a planned run of visits, depending on the number of seals and the access, and we clear our waste as we work. For a job in Worth, the main thing is a clear picture of the work. A fixed quote follows.

  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. Completed areas are checked with you, with the records agreed when we quoted.

What we need from you

  • Send any specification or drawings in advance
  • Send asbestos survey details if the building is pre-2000
  • Clear stock, furniture or equipment away from the joints

Request a quote

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

Get a price

Advice

When to call us in Worth

Damage plays a part too. Seals get knocked during maintenance, cut back to add a cable or pulled out when services are swapped, and the repair is often skipped.

Things that normally lead to an enquiry:

  • Openings found when ceilings come down for a refit
  • Fire sealant pulled out of the opening
  • Fire stopping installed outside its tested range
  • Seals disturbed by maintenance and left open

In a retail centre such as County Mall, 1.6 miles to the west of Worth, any fire-resisting wall between units that is crossed by new services needs sealing to the tested detail.

Comparing quotes

  • How joint depth will be controlled
  • Will RAMS and insurance details be available?
  • Their plan for phasing and protecting the area
  • Do they follow the manufacturer’s priming guidance?

Questions to ask before you appoint anyone

Why act early in Worth

An open or wrongly sealed service penetration lets fire and smoke reach the next compartment much sooner than the building was designed for. While the openings can be reached, sealing them is normally straightforward. Left until ceilings are closed or a tenant moves in, the same work costs more access and more disruption. Over time, UV, weather and movement wear any sealant out. Renewing it in good time keeps the building weathertight.

Larger quantities, tricky access or phasing all shape the price. Site requirements like inductions and permits play a part as well, along with the time of year for external work.

Why us?

  • Work carried out by CSCS-carded applicators
  • Over 20 years of commercial sealing
  • Public liability insurance in place
  • Joints cleaned back to sound surfaces

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

When something else is needed

A few problems need another trade or a different fix, and we point that out rather than sealing over them:

  • Walls or floors that aren’t fire-resisting to begin with
  • Fire doors, dampers or other fire safety equipment
  • Writing the fire-stopping specification

If in doubt, ring 01277 525 020 or email drawings and photos and we’ll say what we think before you book.

Joints and surfaces we work on

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

Aftercare for building managers

Problems stay small when the joints are checked regularly. In particular:

  • Put resealing into every M&E and fit-out package
  • Agree the fire-stopping specification before services go in
  • Keep general-purpose fillers away from compartment walls
  • Keep product data and details in the fire safety file

During planned inspections, look at seals in risers, cupboards and voids. Look for cracks, unsealed new cables and gaps that have been enlarged, and report them promptly.

A simple record of seal locations and products helps. It tells the next contractor exactly what to reinstate, and it helps at inspections.

Questions we are asked in Worth

Does your area include sites such as Worth Corner Business Centre, near Worth?

Yes. Estates, retail parks and business parks around Worth, Worth Corner Business Centre among them, are all within reach. Send details of the unit and the work through our quote form for a quick quote.

What happens to BS 476 references for fire stopping in Worth?

Approved Document B loses its BS 476 references from 2 September 2029, and BS EN 13501-2 becomes the route, subject to transitional arrangements. Our part doesn’t change: the specified product, to its tested detail.

Can the sealant be colour-matched?

Often, yes. Many products come in a range of standard colours, and matching to RAL references or surrounding finishes is often possible. We confirm what’s available for the specified product when we quote.

Can you work to our specification?

Yes. Send it with your enquiry, and the quote will be based on it, flagging anything that needs clarifying.

Will your applicators have CSCS cards?

Yes. Our applicators hold CSCS cards, which many sites require.

Can you fit around our working hours?

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

How do we ask for a quote?

It works in four steps: send details, receive a fixed quote, we carry out the work, and it’s guaranteed. The first step only needs photographs and a postcode.

How the job changes by surface

Plastic pipes

Waste and drainage pipes through floors are a frequent case. The detail decides whether sealant alone is enough.

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 before sealing.

Accreditations

Trusted. Accredited. Insured.