
Fire-rated sealing and fire stopping in Old Shoreham, West Sussex
Commercial sealant work in Old Shoreham for contractors, FMs and building owners: fire-rated and intumescent sealing of service penetrations and linear gaps, quoted at a fixed price.
- Fire sealant pulled out of the opening
- Hidden openings found during inspections
- Unsealed joints where partitions meet the slab
Need fire stopping in Old Shoreham?
Photos, a specification or a quick description of the joints is enough to start a fixed quote.
Diagnose, treat, sign off
On arrival, we report to your site contact and complete whatever induction the building runs. Floors, finishes and fittings next to the joints are covered before any cutting starts, with the work itself usually taking longer where risers, ceiling voids or occupied floors have to be worked through in sequence. Rural sites near Old Shoreham may need directions, gate codes or a contact on site. Add it to your enquiry and we will build it into the plan.
- First we confirm the product and tested details named in the specification.
- We sort the openings by the detail each one needs.
- Old or wrong materials are cut out.
- Mineral wool or other backing is fitted where required.
- We gun the sealant in to the specified depth around each service and tool it.
- We walk the completed areas with you and confirm the records agreed at quote stage.
Before we start on site
- Arrange parking or a loading space
- Share your working hours and any access restrictions
- Tell us what induction or permit system the site runs
Getting a fixed quote
To get a fixed quote, speak to us on 01277 525 020 or email us, telling us the site location and the nature of the job. You can also send details through our quote form.
Advice
Fire stopping in Old Shoreham
Where pipes, cables and other services cross a compartment wall or floor, the opening around them has to be closed so fire and smoke can’t move between compartments. Our job is fitting fire-rated and intumescent sealant at those service penetrations, and along linear gaps, where it is the specified product. Each seal follows the manufacturer’s tested detail rather than guesswork. If you have snag lists that include open service penetrations and non-fire-rated filler around services, we can put it right. Facilities teams, main contractors and managing agents in Old Shoreham tend to want the same three things: a clear scope, tidy work and joints that don’t fail again.
A job near Old Shoreham is typically planned around one visit, with the specification and photos sent in advance. Design and sign-off belong to the designer or building control; we install what’s specified.
What our 12-month guarantee covers is the way we did the job: the preparation, the sealing and the tooling. It doesn’t extend to damage, other trades’ later work or movement the joint was never designed to take.
- Location
- Old Shoreham (BN43)
- Region
- West Sussex
- Guarantee
- 12 months on our workmanship
- Quotes
- Fixed quote, scope in writing
- Telephone
- 01277 525 020
- Updated
- 3 November 2026

Service penetrations in Old Shoreham buildings
At about 47 miles from central London, Old Shoreham is within reach of the capital. Tenant changes on commuter-belt business parks mean regular fit-outs, and new services through compartment walls. Fire stopping of openings and penetrations in England falls under Approved Document B. The national BS 476 classes are due to drop out of it from 2 September 2029, leaving the European BS EN 13501-2 route, subject to transitional arrangements. Our part stays the same: the specified product, installed to its tested detail.
In a building such as St Nicolas' Church, any service penetration through a fire-resisting wall should be sealed to the specified detail. In a school such as Swiss Gardens Primary School, fire-rated sealant goes in around service penetrations where it is specified.
Old Shoreham is about 1 mile west of Shoreham-by-Sea, in West Sussex. Anywhere in BN43, the process is the same: send details, get a fixed quote, we seal, and the work is guaranteed. We work across 373 places in West Sussex, from busy centres to rural villages. For work in that direction, see our Brighton page (7 miles or so).
We cover the BN43 postcode districts for service penetrations. If your building is just outside Old Shoreham, we cover Shoreham-by-Sea (1 mile east), Adur (1 mile north), Kingston by Sea (2 miles east), Southwick (2 miles east) and Castle Town (3 miles north). Nearby towns on our patch include Worthing (5 miles west), Haywards Heath (14 miles north-east), Burgess Hill (11 miles north-east), Littlehampton (11 miles west), Rustington (10 miles west) and Storrington (9 miles north-west).
Near you in Old Shoreham
In Old Shoreham, that means premises near The Sir Robert Woodard Academy and The Amsterdam pub and the streets around them. The closest station to Old Shoreham is Shoreham-By-Sea station, roughly 0.7 miles east. Nearby you will also find Southlands Hospital (1.4 miles east) and Old Castle (4.6 miles west). For a walk, there’s Lancing Ring and Adur Estuary RSPB Reserve.
When to call us in Old Shoreham
Physical damage is another reason seals stop doing their job. Maintenance work can knock a seal, cut it back for an extra cable or remove it with an old pipe.
If one of these sounds familiar, it’s time for a closer look:
- Old intumescent sealant that has split away
- Seals that don’t match their tested detail
- Service penetrations left open after M&E works
- Hidden openings found during inspections
At a healthcare site like Southlands Hospital, 1.4 miles east of Old Shoreham, new services through compartment walls are a constant, and each needs the specified seal.
What your quote should include
- Can the work be phased to keep areas open?
- How joint depth will be controlled
- Their pre-qualification and accreditations
- Proof of insurance
Different surfaces, different methods
Cables and cable bundles
New data and power cables are the most common breach we see. Openings around new cables are resealed to the detail, and we tell you if the bundle exceeds what sealant covers.
Masonry and concrete
Block walls and concrete floors are common substrates for penetration seals. Dust and loose debris are cleared out of the opening, so the sealant and any backing sit properly.
Places near Old Shoreham
Also in Old Shoreham
Why act early in Old Shoreham
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. Halls, stores and units around places like Old Shoreham may not be checked every day, so a failed joint can leak for a while before anyone sees it. Resealing early avoids that.
Access can matter as much as the joints themselves: easy-to-reach joints are quicker than those that need equipment to get to. Tell us how the joints are reached and call for a quote.
Why choose Mastic Doctor in Old Shoreham
- Over 20 years of commercial sealing
- Clear, fixed quotes
- Products installed to the manufacturer’s instructions
- Fully insured, including public liability cover
See our cost guide or our accreditations.
After the work
A few simple habits keep the new joints working:
- Leave fire sealant to cure fully before covering it
- Keep product data and details in the fire safety file
- Report damaged or disturbed seals as soon as they’re spotted
- Include service cupboards in routine inspections
Allow the manufacturer’s stated cure time before boxing in or decorating. Some fire-rated sealants accept paint and some don’t, so check the product data first.
Write fire stopping into the scope of any work crossing a compartment wall or floor. Then the seal goes in while the area is open.
What sealant work can’t fix
Sealant solves a lot, but not everything, and we’d rather tell you before you spend money. It won’t fix:
- Deciding what a wall or floor needs, which belongs to the designer
- Reviewing a building’s overall fire safety
- Construction that lacks the fire resistance the seal relies on
If you are not sure, just give us a call on 01277 525 020 or use the quote form and we will give you a straight answer before you book.
What we seal
- Service gaps in risers
- Joints between fire-resisting walls and floors
- Linear gaps at wall heads
- Cable penetrations
- Pipe penetrations
- Small duct penetrations where the tested detail allows
Questions about Old Shoreham
How does the removal of BS 476 from Approved Document B affect fire-rated sealing in Old Shoreham?
Approved Document B loses its BS 476 references from 2 September 2029, and BS EN 13501-2 becomes the route, subject to transitional arrangements. Whichever applies, we install the specified product to its tested detail; the specification is for the designer to set.
Is Old Shoreham off your patch?
No. Small places get the same service as large ones. Our area covers London and the South East counties. Send photos and a list of what needs doing, and we will plan the job to need as few trips as possible.
Do you work to architects’ specifications?
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.
Does weather matter for sealant work?
Outside, yes. Sealant needs a dry joint and a temperature within the product’s range, so frost, rain or cold mornings can delay outside work. Internal work is rarely affected.
How soon can the area be used again?
Curing time varies by product, and we confirm it on the day.
How long does a job like this take?
The duration is planned around your programme and the access we are given. You’ll have an expected duration with the quote.
Are you insured?
Yes. Mastic Doctor is fully insured, public liability included.