Fire-rated sealing and fire stopping in Worthing, West Sussex
Commercial sealant work in Worthing for contractors, FMs and building owners: fire-rated and intumescent sealing of service penetrations and linear gaps, quoted at a fixed price.
- Fire seals cut back for extra cables and never reinstated
- Unsealed joints where partitions meet the slab
- Snag lists that include open service penetrations
Fire stopping across Worthing
Tell us what needs sealing and where, with photos or drawings if you have them, and we’ll price it.
Why it’s worth doing now in Worthing
Fire stopping is a regular point raised at inspections and handover. Late discoveries can delay handover while openings are reopened and resealed. Businesses in Worthing often have several buildings with joints of a similar age. Dealing with them together saves repeat visits.
Access often affects the price as much as the sealing: joints within easy reach take less time than ones that need access equipment. Mention the access as part of your enquiry.
Why choose Mastic Doctor in Worthing
- Joints cleaned back to sound surfaces
- Constructionline member for supplier checks
- Fully insured
- CHAS accredited contractor
Fire stopping in Worthing
No fire sealant works on its own: the evidence covers a specific product, wall or floor type, service, gap, depth and backing. We match each opening to that detail before any sealant goes in. The enquiries we see most involve seals that don’t match their tested detail and open linear gaps along the top of fire-resisting walls, across service gaps in risers, small duct penetrations where the tested detail allows and joints between fire-resisting walls and floors. A single leaking joint is often how a building in Worthing first comes to us: we look at the rest while we are there and tell you what we find.
Bigger buildings around a town like Worthing are often done in sequence: services first, then penetration and linear seals. We work to the specification and the manufacturer’s installation guidance, while design and sign-off stay with the designer and building control.
Guaranteed is the last step of every job. Our workmanship is backed for 12 months, and we explain exactly what that covers when we quote.
- Location
- Worthing (BN13, BN11, BN14, BN12)
- Wider area
- West Sussex
- Guarantee
- A 12-month guarantee
- Quotes
- Quoted before any work starts
- Call
- 01277 525 020
- Last updated
- 3 November 2026
Also near Worthing
More services for Worthing
Commercial clients in Worthing
Facilities managers want contractors who arrive with the paperwork sorted. Tell us what site paperwork you need, such as RAMS, an insurance certificate or CSCS details, and we will confirm with the quote.
As a CHAS accredited contractor and Constructionline member, we’re straightforward to vet for your supplier list. Our insurance certificate can be sent along with the quote.
Do you need fire stopping in Worthing?
Head-of-wall joints and wall-to-wall junctions are frequent weak points. Deflection and building movement can open these gaps, and the wrong product can split as a result. The tested detail for a linear joint states the width and movement it covers.
It’s worth sending us details if you spot any of the following:
- Openings left by services added after handover
- Non-fire-rated filler around services
- Penetration schedules that need working through
- Openings found when ceilings come down for a refit
Hotels like The Railway Hotel (1.1 miles east of Worthing) are refurbished in phases, and each phase can open up compartment walls.
Before you book anyone
- Are they CHAS accredited or on Constructionline?
- Do they follow the manufacturer’s priming guidance?
- Who will actually carry out the work
- How joint depth will be controlled
FAQs: Worthing
Is hospital work, at somewhere like Worthing Hospital, something you do?
Yes, provided the work is planned with the site’s estates team. Work is phased so departments keep running, under the site’s own rules.
Is Goring Business Park, near Worthing, within your area?
Yes. Estates, retail parks and business parks around Worthing, Goring Business Park among them, are all within reach. A few photographs and the unit address let us price the work.
Can one quote cover more than one building?
Yes. A group of buildings can go on one quote, and you deal with one contact throughout.
Do you design or specify fire stopping?
No, that isn’t our role. With the designer’s details in hand, we can price the sealant elements.
How long does a typical visit take?
The duration is planned around your programme and the access we’re given. We’ll give you an estimate of time on site when we quote.
Do you take on small jobs?
Single areas, one-off repairs and whole buildings are all quoted the same way: details, then a fixed price, then sealing, then a 12-month guarantee.
Is the BS 476 change in 2029 relevant to fire stopping?
In England, references to the older BS 476 national classes are being removed from Approved Document B from 2 September 2029. The European route, BS EN 13501-2, then applies. Your designer will choose products with the right evidence.
Doing it in-house
What you see is the finished bead, but most of the work is hidden. Backing rod, primer where specified and a joint designed to move with the building are easy to get wrong without experience.
A short, simple internal joint is often within reach of a maintenance team. Where it goes wrong is preparation: new sealant over old, damp or dusty faces, or the wrong product for the movement.
Different surfaces, different methods
Masonry and concrete
Block walls and concrete floors are common substrates for penetration seals. Dust and debris are cleared from the opening, so the sealant and any backing sit properly.
Plastic pipes
Waste and drainage pipes through floors are a frequent case. The detail decides whether sealant alone is enough.
Our process
We begin with a short walk round with whoever looks after the building, agreeing which joints are in scope, where to start and what must stay open. Then we strip out anything that has failed, prepare every joint and seal it. Bigger buildings in Worthing are typically done in phases agreed with the site or facilities manager, so the building keeps working. Send drawings or photos and we will set out a phasing plan with the quote.
- We ask for the product and detail your designer has specified.
- Openings are measured and grouped by detail.
- Old or wrong materials are cut out.
- Mineral wool or other backing is fitted where required.
- Fire-rated or intumescent sealant goes in around the services and is tooled off.
- We walk the completed areas with you and confirm the records agreed at quote stage.
Getting the site ready
- Tell us your opening times and when work is allowed
- Move anything stored against the joints
- Tell us which areas need to stay in use
Getting a fixed quote
The quickest route to a quote is a few photographs and the site postcode. Send them through the quote form, or ring 01277 525 020 or email drawings and photos to discuss it first.
Advice
Fire stopping in Worthing: the local picture
Worthing lies roughly 48 miles out from central London. Office refits around the commuter belt bring new cabling through fire-resisting walls; the gaps need the specified seal. Worthing has plenty of hotels close by, all within 2 miles. In hotels, bedroom and corridor walls are normally fire-resisting, so services added in a refit need sealing with the specified product.
Halls and meeting rooms at places like St Andrew's Church sometimes gain new services, and any compartment wall crossed needs the specified seal. For a building at a site such as Goring Business Park, 1.1 miles to the south-west of Worthing, a check of penetration seals after each fit-out is good practice.
Worthing is in West Sussex. We cover Worthing, and jobs here get the same fixed quote and 12-month guarantee as anywhere else. Across West Sussex, 373 places are covered, Worthing among them. Brighton is covered too, around 12 miles from Worthing.
We take on service penetrations across the BN13, BN11, BN14 and BN12 postcode area, for business premises of every kind. For a building on Church Road, Market Place and High Street or nearby, send details and we’ll quote for service penetrations. Main routes into Worthing include the A24 and A27, which helps when planning parking and deliveries for the job. Just outside Worthing, we also work in Salvington (1 mile north), Offington (1 mile north-east), Broadwater (1 mile east), Findon Valley (2 miles north) and East Worthing (2 miles east). Bigger towns within reach include Bognor Regis (13 miles west), Burgess Hill (15 miles north-east), Littlehampton (6 miles west), Shoreham-by-Sea (6 miles east), Lancing (3 miles east) and Rustington (5 miles west). Among the larger centres in West Sussex is Worthing, and we take on service penetrations for its commercial and public buildings.
Near you in Worthing
We work on buildings around The George And Dragon Public House, Durrington Minature Railway and Thomas A Becket First School, among other places. The closest station to Worthing is West Worthing station, about 0.5 miles south-east of the centre. A little further out are The Acre (1.2 miles south-east) and Old Castle (under half a mile east). The countryside around Worthing includes Highdown Hill and Widewater Lagoon.