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

Fire-rated sealing and fire stopping in Stroude, Surrey

We carry out fire-rated and intumescent sealing of service penetrations and linear gaps in Stroude. Send photographs or drawings for a fixed quote.

  • Openings left by services added after handover
  • Improvised or mixed-product fire seals
  • Openings found when ceilings come down for a refit
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
CSCS-carded applicators, the right product for each joint.
4
Guaranteed
Backed by a 12-month workmanship guarantee.
London, the South East & Scotland
CHAS & Constructionline
£5m PL insurance

Fire stopping for Stroude sites

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

Fire stopping for commercial buildings in Stroude

A fire-rated sealant is only one part of a tested system: 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, and raise it with you if it falls outside. Most enquiries involve seals disturbed by maintenance and left open and fire-rated sealant that has cracked or shrunk back, across cable penetrations, joints between fire-resisting walls and floors and small duct penetrations where the tested detail allows. A specialist sealant contractor works differently from a general builder: in Stroude, that means joint design, primers and backing rod as standard.

Barn and farm-building conversions near places like Stroude often combine new partitions with old walls. Where a pipe or cable passes through a fire-resisting wall, the seal must match the tested detail: product, substrate, gap and depth.

A 12-month guarantee applies to all our work in Surrey. Should something we installed fail, phone 01277 525 020 or email us and we will come back to it.

Mastic Doctor team members lined up next to their branded vans outside an office building
Location
Stroude (GU25, TW20)
Wider area
Surrey
Guarantee
A 12-month guarantee
Quotes
Quoted before any work starts
Phone
01277 525 020
Updated
3 November 2026

Maintenance after handover

Regular inspection catches problems early. Specifically:

  • Get seals inspected before ceilings and boxing close
  • Leave fire sealant to cure fully before covering it
  • Keep general-purpose fillers away from compartment walls
  • File the specified details where the next contractor can find them

Once the seals are in, tell other trades they exist and must not be disturbed. Any seal cut back for a new service needs reinstating to its tested detail.

A simple record of seal locations and products helps. When a new service goes through, everyone knows which product and detail to match.

Your questions answered

Can you work at a site such as Egham Business Park, by Stroude?

Yes. Estates, retail parks and business parks around Stroude, Egham Business Park among them, are all within reach. Photos and a short description are enough for a first look.

How does the move away from BS 476 affect penetration seals in Stroude?

From 2 September 2029, Approved Document B drops its BS 476 references in favour of BS EN 13501-2 classification, with transitional arrangements. Whichever applies, we install the specified product to its tested detail; the specification is for the designer to set.

Can you work to our specification?

Yes. We follow the specification, along with the manufacturer’s installation guidance.

How much does the work cost?

Every job gets its own fixed quote. To get one, ring 01277 525 020 or email us.

How long does a typical visit take?

It depends on the scope, though a typical visit typically takes longer where risers, ceiling voids or occupied floors have to be worked through in sequence. For bigger or phased jobs, we’ll set out a timescale with the quote.

When can you be on site?

We’re in the office from 8am until 5pm, Monday to Friday. Let us know your site hours and access windows, and the work will be planned around them.

What happens if old sealant might contain asbestos?

Some older mastics, especially in pre-2000 buildings, can contain asbestos. Before we disturb old sealant in an older building, we ask to see the asbestos register or survey, and if asbestos is suspected, work stops until it’s tested. Removing asbestos is a job for asbestos specialists, not us.

From enquiry to sign-off

We schedule the visit to fit the site hours and access windows you give us. On the day, the work area is kept contained and tidy, and your contact hears from us before we move to the next area. Jobs in and around smaller places like Stroude are normally planned as a single visit, so photos and measurements up front really help. Then the right materials arrive with us.

  1. The specification and schedule come first, so we know which details apply.
  2. We plan the sequence of floors, risers and voids with you.
  3. Each opening is checked for wall or floor type, service, gap and depth.
  4. Foam, ordinary sealant and debris come out first.
  5. Backing and fire-rated sealant are installed to the detail and tooled.
  6. We tell you about openings that need a different product.

What we need from you

  • Point out parking and an unloading spot
  • Tell us which areas need to stay in use
  • For older buildings, check the asbestos register before work

Quotes

A handful of photos and a postcode is the fastest way to a quote. Send them through the quote form, or phone 01277 525 020 or email us if you’d rather talk the job through.

Get a price

Read more

Work for main contractors and building owners

Hospitality, education, healthcare, office and retail clients book us directly too. The work is planned around how the building runs, so guests, pupils, patients or staff are disturbed as little as possible.

Whether you are a managing agent, a property factor or an owner’s representative: send the details, accept a fixed quote, and we carry out and guarantee the work. We can agree access arrangements and keyholder contacts beforehand.

When to bring in a specialist

There’s also the paperwork. Main contractors and clients often ask for CSCS cards, RAMS and insurance details, and we’ll confirm the paperwork you need with the quote.

For a quick touch-up, site staff may be fine, but larger jobs are different: a specialist brings efficiency, a consistent finish and a 12-month guarantee.

Compartments and services around Stroude

At about 21 miles from central London, Stroude is within reach of the capital. Offices around the capital are refitted often, and the cabling that follows can breach fire-resisting walls. For England, the fire stopping of penetrations is dealt with in 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. Either way, we install the specified product to its tested detail.

In a building such as Christ Church, any service penetration through a fire-resisting wall should be sealed to the specified detail. At a university such as Royal Holloway University, which lies north of Stroude, labs, lecture blocks and residences are re-serviced often, so penetration seals are best checked after M&E work. Wherever services are added at a hospital such as St Peter's Hospital, 2.6 miles to the south-east of Stroude, the compartment line has to be made good with the specified product.

Stroude is about 1 mile south of Egham, in Surrey. Looking for fire stopping in Stroude? We can help. We work across 379 places in Surrey, large and small. Our Reading page has more on work in that area, about 18 miles away.

Postcode districts covered here: GU25 and TW20. Among the streets we cover are Edgell Close, Stroude Road and Whitehall Farm Lane. Just outside Stroude, we also work in Virginia Water (1 mile south-west), Thorpe Green (1 mile south-east), Thorpe (1 mile east), Egham (1 mile north) and Englefield Green (1 mile north-west). A short drive away, we cover Guildford (11 miles south), Woking (7 miles south), Camberley (9 miles south-west), Epsom (13 miles south-east), Ewell (14 miles east) and Walton-on-Thames (7 miles east).

Local landmarks in Stroude

Around Stroude, our work takes us to commercial buildings near The Magna Carta School, The American School In England and Riverside Walk, among other places. Stroude’s nearest station is Virginia Water station, roughly 0.7 miles south. Other landmarks nearby include St. Peter's Hospital (2.7 miles south-east) and Spelthorne Museum (2.4 miles north-east). For a walk, there’s St Ann's Lake and St Ann's Hill.

Map of Stroude © OpenStreetMap contributors

Different surfaces, different methods

Risers and ceiling voids

Voids hide a lot of unsealed openings. We work through the areas on your schedule methodically.

Masonry and concrete

Openings through concrete vary from tidy cores to rough break-outs. The gap is measured at the widest point so we know it sits within the tested range.

When something else is needed

Being straight saves everyone time. New sealant won’t cure:

  • Fire doors, dampers or other fire safety equipment
  • Plastic pipes whose detail calls for a collar or wrap
  • Designing or specifying fire stopping, which sits with the designer or fire engineer

Not sure which it is? You can speak to us on 01277 525 020 or use the quote form and we’ll tell you honestly before you book.

Where we work in Stroude

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