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

Upper Lambourn fire stopping

Need fire stopping in Upper Lambourn? It’s simple: send details, get a quote, we seal, guaranteed.

  • Penetration schedules that need working through
  • Seals disturbed by maintenance and left open
  • Hidden openings found during inspections
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
Failed joints cut out, faces prepared, new sealant laid.
4
Guaranteed
Signed off, with 12 months’ guarantee.
London, the South East & Scotland
CHAS accredited
£5m public liability

Fire stopping across Upper Lambourn

Photos, a specification or a quick description of the joints is enough to start a fixed quote.

Fire stopping for commercial buildings in Upper Lambourn

We are commercial sealant applicators, CHAS accredited and a Constructionline member, with CSCS-carded applicators on site. 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 improvised or mixed-product fire seals and service penetrations left open after M&E works, across linear gaps at wall heads, cable penetrations and small duct penetrations where the tested detail allows. One point of contact handles commercial sealant work in Upper Lambourn from the first photographs to the final walk-round, whether it’s one building or several.

Around smaller places like Upper Lambourn, penetration seals come up in schools, halls, pubs with rooms, care homes and farm buildings used as offices. If sealant is what the specification names, we install it around the services exactly as the maker’s detail sets out.

The 12-month guarantee covers our workmanship: preparation, application and finish. It doesn’t extend to damage, other trades’ later work or movement the joint was never designed to take.

The Mastic Doctor team standing beside their branded vans outside an office building
Place
Upper Lambourn (RG17)
Region
West Berkshire
Cover
12 months on our workmanship
Price
Fixed quote, scope in writing
Call
01277 525 020
Updated
3 November 2026

What the job involves on each surface

Cables and cable bundles

Data cabling added after handover is a regular cause of open service penetrations. Openings around new cables are resealed to the detail, and any bundle too large for sealant alone is flagged.

Risers and ceiling voids

Openings above suspended ceilings are easy to miss. We follow your schedule area by area, and note anything we find that isn’t on it.

Your questions answered

How does the removal of BS 476 from Approved Document B affect fire-rated sealing in Upper Lambourn?

Approved Document B loses its BS 476 references from 2 September 2029, and BS EN 13501-2 becomes the route, subject to transitional arrangements. The designer or fire engineer sets the specification, and we install the product to the manufacturer’s tested detail.

Do you design the fire stopping for buildings in Upper Lambourn?

No. Fire-stopping design and sign-off belong to the designer, principal designer, fire engineer or building control. We install what’s specified, to the product’s tested detail.

Is any job too small?

Small jobs are welcome alongside larger packages. Send details for a fixed quote.

What happens if old sealant might contain asbestos?

Managing asbestos is the dutyholder’s responsibility, so we’ll ask for the register before work on an older building. If anything suspect turns up, we stop until it’s tested.

Are you fully insured?

Yes. We’re fully insured, and the certificate can go with your quote.

How long do sealant joints last?

There isn’t a single answer, because life depends on how much the joint moves, how exposed it is and how it’s cleaned and used. Regular checks let you plan resealing before leaks or damage.

Is colour matching possible?

Often, yes. Sealants are made in a wide range of standard colours, and matching to RAL references or nearby finishes is commonly requested. We confirm what’s available for the specified product when we quote.

Site staff or a sealant specialist?

Certain joints really need a specialist: fire-rated seals that must follow a tested detail, trafficked floor joints and external movement joints among them. Getting these wrong typically costs more in the end than doing them right.

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.

Common problems we fix in Upper Lambourn

Most open service penetrations are left by later work. A new cable pulled by an electrician, a pipe rerouted by a plumber or a data run drilled through a riser can leave the hole behind. Over a few years of fit-outs, a wall can collect a lot of these.

These are often picked up first by site or facilities staff:

  • Damaged fire seals in risers and voids
  • Seals that don’t match their tested detail
  • Unsealed penetrations discovered above suspended ceilings
  • Unsealed joints where partitions meet the slab

For buildings in and around Upper Lambourn, fire-rated sealant is installed where it is specified, to the manufacturer’s tested detail.

Before you book anyone

  • How they handle RAMS and site documents
  • Are they CHAS accredited or on Constructionline?
  • What level of public liability insurance do they hold?
  • How the existing material will be dealt with

How to choose a sealant contractor

Fire stopping around Upper Lambourn: points for this area

Upper Lambourn lies roughly 63 miles out from central London. Business park offices in the commuter belt are refitted as tenants change, and each fit-out adds services through compartment walls, and the gaps need sealing with the specified product. 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. We install whatever has been specified, to the product’s tested detail.

Hotels like The Red Lion Hotel, 1.4 miles to the south-east of Upper Lambourn, are refurbished in phases, and each phase can open up compartment walls.

Upper Lambourn is about 7 miles south-west of Wantage, in West Berkshire. Across the RG17 postcode area, the process is the same: send details, get a fixed quote, we seal, and the work is guaranteed. Our West Berkshire coverage takes in 140 places, large and small. We also cover Oxford, around 21 miles from Upper Lambourn.

Work on service penetrations is covered throughout RG17. Among the streets we cover are High Street and Maddle Road, and sites on any of them can send details for a fixed quote. Close to Upper Lambourn, our area also takes in Lambourn (1 mile south-east), Sheepdrove (2 miles east), Woolstone (5 miles north), Kingston Lisle (5 miles north) and Westcot (5 miles north). Nearby towns on our patch include Newbury (13 miles south-east), Thatcham (15 miles south-east), Speenhamland (13 miles south-east), Hungerford (8 miles south), Shaw (13 miles south-east) and Wash Common (14 miles south-east).

Landmarks near Upper Lambourn

Locally, jobs take us to sites close to The Malt Shovel pub. Green spaces nearby include Seven Barrows and Rams Hill.

Map of Upper Lambourn © OpenStreetMap contributors

What we can’t put right

Before quoting, we check that sealant is the right answer. It won’t put right:

  • Signing off or certifying a building’s fire stopping
  • Designing or specifying fire stopping, which sits with the designer or fire engineer
  • Fire risk assessments, a job for a competent assessor

If in doubt, speak to us on 01277 525 020 or send details through our quote form and we’ll say what we think before you book.

Joints and surfaces we work on

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

What sets the cost

A fixed quote reflects the actual work. It allows for:

  • The size and state of each joint
  • The site’s rules and procedures
  • How accessible the joints are
  • Phasing around occupants

What a job costs comes down to how many linear metres there are, what has to come out first and the access. Call for a quote once you have the details.

Before you send an enquiry

A few photographs plus some basic facts will normally do. It helps to include:

  • Drawings or a marked-up plan, if available
  • Whether the building will be occupied during the work
  • Asbestos survey details if the building is older
  • When you need the work done

Every job follows the same four steps: send details, get a quote, we seal, guaranteed. The first step is to ring 01277 525 020 or send photos by email with what you know.

Diagnose, treat, sign off

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. For a building around Upper Lambourn, tell us how to find it and who will meet us. Send that with the details and we will confirm the plan with the quote.

  1. First we go through the drawings, schedule or specification for the seals and ask about anything unclear.
  2. On site, each opening is checked against the tested detail it is meant to follow.
  3. Anything that doesn’t belong in the opening, such as expanding foam or general-purpose filler, is removed.
  4. Mineral wool or other backing goes in wherever the detail asks.
  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.

Preparing the site

  • Make sure the joints can be reached
  • Tell staff and tenants when we will be in
  • For older buildings, check the asbestos register before work

Getting a fixed quote

A good quote starts with a clear picture: the joints involved, quantities, access and the product called for. Share whatever details you have and we will fill any gaps with a visit.

Get a quick quote

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