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

St Peter's fire stopping

Fire-rated and intumescent sealing of service penetrations and linear gaps throughout St Peter's and nearby, by CSCS-carded applicators. CHAS accredited and fully insured.

  • Unsealed openings around new pipes and cables
  • Open linear gaps along the top of fire-resisting walls
  • Non-fire-rated filler around services
1
Send details
Send the specification, photos or a marked-up plan.
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
Signed off, with 12 months’ guarantee.
Covering the South East & Scotland
CHAS accredited
£5m public liability

Fire stopping in St Peter's

Tell us what needs sealing and where, with photos or drawings if you have them, and we’ll price it.

About our fire stopping in St Peter's

Penetration seals are fire tested to BS EN 1366-3 and linear joint seals to BS EN 1366-4, with results classified under 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. We work on cable penetrations, linear gaps at wall heads and service gaps in risers, and the failures we’re asked to look at most are fire stopping installed outside its tested range and snag lists that include open service penetrations. One point of contact handles commercial sealant work in St Peter's from the first photos to the final walk-round, whether it’s one building or several.

Around St Peter's, penetration and linear seals tend to be one-building jobs. With the specification and photos of the gaps, we can give a fixed quote and bring the right products.

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.

Location
St Peter's (CT10)
Wider area
Kent
Guarantee
A 12-month guarantee
Quote
A fixed quote before we start
Phone
01277 525 020
Page updated
3 November 2026
The Mastic Doctor team standing beside their branded vans outside an office building

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.

Paperwork matters too. Main contractors and clients often ask for CSCS cards, RAMS and insurance details, and we will confirm the paperwork you need with the quote.

Keeping the joints sound

To get the most from the new sealant:

  • Foam or ordinary sealant is never a fire-seal repair
  • Report damaged or disturbed seals as soon as they’re spotted
  • Make fire stopping part of every scope that crosses a fire-resisting wall
  • Keep product data and details in the fire safety file

Keep the product data and installation details with the building’s fire safety information. It makes later repairs much easier to match.

Ask every contractor who works in risers or voids to report openings they create. It costs little and catches breaches early.

Different surfaces, different methods

Plastic pipes

Waste and drainage pipes through floors are a frequent case. The detail decides whether sealant alone is enough, and we will never swap a specified collar for sealant.

Metal pipes

Copper and steel pipes are a common service penetration for fire-rated sealant. The tested detail sets the pipe size range, gap, depth and whether insulation can stay on and we confirm each before sealing.

Do you need fire stopping in St Peter's?

A common fault is a product that was never fire-rated in the first place: builders’ foam or ordinary silicone used to fill a hole. It may look closed, but it has no tested fire performance in that position.

Site and facilities staff are often the first to spot these:

  • Service penetrations left open after M&E works
  • Improvised or mixed-product fire seals
  • Head-of-wall gaps with no fire seal
  • Builders’ foam or ordinary silicone in compartment walls

Colleges such as Nelson College London (to the south-west of St Peter's) add IT and services as courses change, and each new penetration through a fire-resisting wall needs sealing with the specified product.

Before you book anyone

  • Whether their applicators hold CSCS cards
  • What level of public liability insurance do they hold?
  • Their plan for phasing and protecting the area
  • What the guarantee covers, and for how long

Questions to ask before you appoint anyone

Why deal with it now?

Open penetrations multiply: each new service adds to the list. A schedule that is dealt with regularly stays manageable, rather than turning into a full building survey and reseal. In a smaller place such as St Peter's, getting a contractor back for a second visit takes time, so we’d suggest renewing all the joints that are going, not just the worst.

Cost follows what’s involved: removing old material, preparing the joints, the product, the access and how the work is phased. Call for a quote and we’ll explain how it’s made up.

Why clients in St Peter's choose us

  • Health and safety: CHAS accredited
  • Fully insured, including public liability cover
  • Failed material removed, not covered up
  • One contact handling all your sites

Take a look at our cost guide or how we’re accredited.

How a job runs

We schedule the visit to fit the site hours and access windows you give us. While we’re working, the area stays contained and tidy, and your contact hears from us before we move to the next area. For a job in St Peter's, the main thing is a clear picture of the work. You will then get a fixed price for the work.

  1. We ask for the product and detail your designer has specified.
  2. We sort the openings by the detail each one needs.
  3. Old or wrong materials are cut out.
  4. Where the detail needs backing, it goes in at the stated depth.
  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.

Preparing the site

  • Let building users know which areas are affected
  • Send your site hours and access windows
  • Confirm the product named in the specification

Getting a fixed quote

For a fixed quote, call 01277 525 020 or use the quote form, telling us the site location and the nature of the job. You can also send details through our quote form.

Get a price

Read more

Your questions answered

How does the move away from BS 476 affect penetration seals in St Peter's?

References to BS 476 classes are being removed from Approved Document B from 2 September 2029, after which BS EN 13501-2 classification is the route, subject to transitional arrangements. Our part doesn’t change: the specified product, to its tested detail.

Can you take on a job at a hospital such as Queen Elizabeth The Queen Mother Hospital?

Yes, healthcare and care buildings are part of our work. Each area is agreed with the ward or department and the estates team in advance.

When can you be on site?

Give us your site hours and any access windows in your enquiry, and we will schedule the work to suit. Our office runs Monday to Friday, 8am until 5pm.

How soon can the area be used again?

Curing time varies by product, and we confirm it on the day, and flag anything to keep off until it has cured.

Is the work guaranteed?

Yes. Workmanship is guaranteed for 12 months on every job.

What do you charge?

That depends on the job: quantities, access, the product and any phasing. Call for a quote and we’ll price it properly.

Can weather delay the job?

For external joints, yes. The joint has to be dry and within the product’s temperature range, so frost, rain or cold mornings can delay outside work. Internal work is rarely affected.

Fire stopping around St Peter's: points for this area

There are plenty of hotels within about 2 miles of St Peter's. In hotels, bedroom and corridor walls are usually fire-resisting, so services added in a refit need sealing with the specified product. Central London is about 66 miles from St Peter's. Office refits around the commuter belt bring new cabling through fire-resisting walls, and the gaps need sealing with the specified product.

In a retail centre such as East Kent Retail Park, which lies west of St Peter's, any fire-resisting wall between units that is crossed by new services needs sealing to the tested detail. Hotels like Belvidere Hotel (to the south-east of St Peter's) are refurbished in phases, and each phase can open up compartment walls.

St Peter's is about 1 mile north-west of Broadstairs, in Kent. Anywhere in CT10, it works the same way: send details, get a fixed quote, we seal, and the work is guaranteed. We work across 931 places in Kent. We also cover London, around 66 miles from St Peter's.

We cover the CT10 postcode districts for service penetrations. If your site is on Upton Road, Green Lane and Speke Road or close by, send details and we will quote for service penetrations. You’ll find St Peter's on or near the A255. Sites close to St Peter's are covered too, including Broadstairs (1 mile south-east), Upton (1 mile south-east), Northwood (1 mile south-west), Northdown (1 mile north) and Kingsgate (2 miles north-east). Bigger towns within reach include Deal (10 miles south), Herne Bay (12 miles west), Walmer (11 miles south), Whitfield (15 miles south), Sandwich (7 miles south-west) and Aylesham (13 miles south-west).

Landmarks near St Peter's

In St Peter's, that means premises near Red Lion pub, Callis Grange Nursery and Infant School and The Charles Dickens School, among other places. The nearest railway station is Broadstairs station, about 0.7 miles south-east of the centre. Well-known places in the area include Crampton Tower (0.7 miles south-east) and Queen Elizabeth the Queen Mother Hospital (1.5 miles north-west). Open spaces near St Peter's include Sandwich and Pegwell Bay.

Map of St Peter's © OpenStreetMap contributors
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