The Mastic Doctor team standing beside their branded vans outside an office building
Windsor and Maidenhead · England

Fire Stopping in Bray

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

  • Expanding foam used as fire stopping
  • Fire stopping installed outside its tested range
  • Open linear gaps along the top of fire-resisting walls
1
Send details
Drawings, photos, a joint schedule or a site visit.
2
Get a quote
A fixed quote for the work, with the scope in writing.
3
We seal
Failed joints cut out, faces prepared, new sealant laid.
4
Guaranteed
12-month guarantee on our workmanship.
South East, London & Scotland
Constructionline member
£5m PL insurance

Need fire stopping in Bray?

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

Looking after the joints

Sealant joints are maintenance items, and how long they last depends on how they’re treated. Our advice:

  • Don’t let anyone top up a fire seal with the wrong product
  • Have penetrations checked while they can still be seen
  • Agree the fire-stopping specification before services go in
  • Keep product data and details in the fire safety file

After the work, brief anyone else working in the area that the openings are now sealed. If a seal has to be opened for a new service, it should be reinstated to the same detail using the same product.

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

Fire stopping in Bray, done properly

Our applicators are CSCS-carded, and we are CHAS accredited and a Constructionline member. We hold no third-party fire-stopping installer certificate, and we won’t pretend otherwise. What we offer is careful installation of the specified sealant to its tested detail, with a 12-month guarantee on our workmanship. Site teams most often ask us about unsealed openings around new pipes and cables and non-fire-rated filler around services, across small duct penetrations where the tested detail allows, linear gaps at wall heads and cable penetrations. For commercial sealant work in Bray, you deal with one contact from quote to sign-off, whether it’s one building or several.

Smaller places such as Bray still have buildings with fire-resisting walls and floors: schools, halls, care homes and commercial conversions. Any service penetration through those walls should be closed with the specified product, set out as its test evidence shows.

We stand by our work: 12 months, guaranteed. It covers how we prepared and applied the sealant.

The Mastic Doctor team standing beside their branded vans outside an office building
Where
Bray (SL6)
Region
Windsor and Maidenhead
Guarantee
12 months on every job
Quotes
Fixed quote, scope in writing
Call
01277 525 020
Last updated
3 November 2026

Leave it or put it right?

A seal that doesn’t match its tested detail gives false comfort. The fix is to remove it and reinstall to the detail, so it makes sense to get it right first time. Halls, stores and units around places like Bray may not be checked every day, so a failed joint can leak for a while before anyone sees it. Renewing joints in good time avoids the problem.

Small jobs and large programmes are priced from the same things: what’s in scope, how we reach it, what’s specified and when it needs doing. Call for a quote, and you’ll have a fixed figure to work with.

Why clients in Bray choose us

  • One number for every site we cover
  • Sealing commercial buildings since 2005
  • Workmanship guaranteed for 12 months
  • CHAS accredited contractor

Read what affects the cost or our accreditations.

Surface by surface

Small ducts

Ducts are only sealed with sealant where the detail allows it. Dampers and ductwork systems themselves are outside our work.

Risers and ceiling voids

Openings above suspended ceilings are easy to miss. We follow your schedule area by area.

Our process

Occupied buildings need a little choreography. The work area is signed and kept contained, with routes through the building left open and work section by section so the rest of the building stays in use. Jobs in and around smaller places like Bray are normally planned as a single visit, so we ask for photographs and rough sizes first. That way the right products come on the day.

  1. We read the specification, drawings or penetration schedule you send and ask about anything unclear.
  2. Every penetration is compared with its detail: wall or floor type, service, gap size and depth.
  3. Anything that doesn’t belong in the opening, such as expanding foam or general-purpose filler, is removed.
  4. We fit the backing the detail asks for, to the stated depth.
  5. We apply the specified sealant to the depth and around the services as the detail shows.
  6. If an opening needs something other than sealant, we tell you instead of improvising.

Before we start on site

  • Send asbestos survey details if the building is pre-2000
  • Send your site hours and access windows
  • Tell us what induction or permit system the site runs

Get a fixed quote

We quote a fixed sum against the scope you give us, so you know the figure before anyone is on site. To ask for one, give us a call on 01277 525 020 or email us.

Ask for a quote

Advice

Common questions from Bray clients

Is Bray too far out for you?

Not at all: smaller places are covered as well as towns. Our area covers London and the South East counties. Good photos up front let us bring everything on the first visit.

Can you work in a care home near Bray with residents in?

Yes, with the manager deciding the order and timing of rooms. Any site rules, from signing in to infection control, are agreed before we start.

Do you certify or sign off fire stopping?

No. Sign-off isn’t ours to give, and we don’t hold a third-party installer certificate. We work to the specification and the manufacturer’s installation guidance, and any records you need can be confirmed with the quote.

Can you quote from photographs?

That depends on the size and complexity of the job. Straightforward work can often be priced from photos and measurements, and bigger or more complex jobs typically get a visit.

Who decides which product is used?

If the job is specified, we follow the specification. Otherwise, we recommend a product to suit the joint’s movement, the substrate and the conditions, following the manufacturer’s guidance.

Which standards are fire seals tested to?

Penetration seals are tested to BS EN 1366-3 and linear joint seals to BS EN 1366-4. Results are classified under BS EN 13501-2. The rating applies to the product as tested.

How much does the work cost?

That depends on the job: quantities, access, the product and any phasing. Call for a fixed quote.

Commercial clients in Bray

Main contractors use us as their sealant subcontractor on new-build and refurbishment projects. We work to your programme, your specification and your site rules, with CSCS-carded applicators on site.

If you look after buildings for someone else, clear figures and clear communication matter. We quote a fixed sum, confirm the scope and walk the finished work with you or your representative, plus a 12-month guarantee.

Honest limits

We check first that sealant really is the fix. It won’t put right:

  • Large openings beyond what any sealant detail covers
  • Approving the work on behalf of building control
  • Fire risk assessments, a job for a competent assessor

Not sure which it is? You can call the office on 01277 525 020 or email the details over and we will tell you honestly.

Where we work in Bray

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

Compartment walls and floors in Bray

Four care or nursing homes sit less than 2 miles from Bray. Where new services have gone through compartment walls in a care setting, the gaps need the specified product. We install fire-rated sealant to the tested detail where it is specified. Approved Document B is the English guidance that covers fire stopping around openings and penetrations. 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.

On a hospital site such as St Mark's Hospital, 2.3 miles to the north-west of Bray, fire-rated sealant goes in where the specification calls for it, with the work planned around the estates team’s permits. Halls and meeting rooms at places like St Michael's Church sometimes gain new services, and any compartment wall crossed needs the specified seal. Hotels like Chauntry House Hotel, under half a mile to the west of Bray, are refurbished in phases, and each phase can open up compartment walls.

Bray is about 2 miles south-east of Maidenhead, in Windsor and Maidenhead. We send applicators to Bray for service penetrations. Bray is one of 60 places we cover in Windsor and Maidenhead. Sites around Reading have their own page, about 13 miles away.

Work on service penetrations is covered throughout SL6, whatever the building. We cover commercial and managed buildings on High Street, Old Mill Lane and Beaufort Place and the roads nearby. Just outside Bray, we also work in Dorney Reach (1 mile east), Lake End (1 mile east), Taplow (2 miles north), Dorney (2 miles east) and Hitchambury (2 miles north-east). Further afield, our area takes in Windsor (4 miles south-east), Cookham (4 miles north), Furze Platt (3 miles north-west), Dedworth (3 miles south-east), Broomhall (9 miles south) and South Ascot (8 miles south).

Around Bray

In Bray, that means premises near Braywick Park, The Fat Duck pub and Desborough College, among other places. The nearest railway station is Taplow station, roughly 1.3 miles north-east of the centre. A little further out are The Reitlinger Bequest Museum (1.1 miles north) and Windsor Castle (4.3 miles south-east). Not far away are Bray Pit and Taplow Lake.

Map of Bray © OpenStreetMap contributors
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