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

Fire-rated sealing and fire stopping in Foscot, Oxfordshire

Fire-rated and intumescent sealing of service penetrations and linear gaps throughout Foscot and nearby, carried out by CSCS-carded applicators. CHAS accredited and fully insured.

  • Penetration schedules that need working through
  • Unsealed openings around new pipes and cables
  • Builders’ foam or ordinary silicone in compartment walls
1
Send details
Drawings, photos, a joint schedule or a site visit.
2
Get a quote
Scope agreed and priced before anything starts.
3
We seal
CSCS-carded applicators, the right product for each joint.
4
Guaranteed
Signed off, with 12 months’ guarantee.
London, the South East & Scotland
Constructionline member
£5m public liability

Fire stopping for businesses in Foscot

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

How we handle fire stopping in Foscot

Facilities managers in Foscot often find open service penetrations when ceilings come down for other work. Where the walls and floors already have a fire-stopping specification, we can work to it using the product and detail it sets out. Where there isn’t one, the designer or fire engineer needs to set one first. Most enquiries involve fire seals cut back for extra cables and never reinstated and seals that don’t match their tested detail, on cable penetrations, joints between fire-resisting walls and floors and linear gaps at wall heads. Whether you call it commercial sealant work, mastic application or joint sealing, in Foscot it comes down to the same thing: failed joints cut out, faces prepared and the right sealant laid to the right depth.

Barn and farm-building conversions near places like Foscot often combine new partitions with old walls. A penetration seal only performs as tested if product, substrate, service, gap and depth all match the detail.

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.

Place
Foscot (OX7)
Region
Oxfordshire
Guarantee
12 months on every job
Price
Quoted before any work starts
Telephone
01277 525 020
Last updated
3 November 2026
Mastic Doctor team members lined up next to their branded vans outside an office building

What the job involves on each surface

Plastic pipes

In a fire, plastic pipework melts away and leaves an opening. Small sizes are sometimes covered by an intumescent sealant detail, though larger ones typically call for a collar or wrap. We confirm material and size first and tell you if sealant isn’t the right product.

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 any bundle too large for sealant alone is flagged.

Why deal with it now?

The longer openings stay, the more there tend to be: every new cable or pipe adds another. Keeping on top of it after each round of works keeps the job small and avoids a much larger catch-up later. One visit to deal with every failing joint makes more sense than several trips to a place like Foscot. Send photographs of each area and we’ll quote for the lot.

The product called for affects the cost, and so does the preparation. Access, phasing and site rules also count.

Why clients in Foscot choose us

  • Fully insured
  • Work carried out by CSCS-carded applicators
  • Commercial sealant work since 2005
  • CHAS accredited

See our cost guide and how we’re accredited.

On site: what to expect

At the end of each section, the masking comes off, the area is cleaned and every joint is checked with your site contact. Where the sealant needs time to cure before use, we tell you and sign the area. Jobs in and around smaller places like Foscot are normally planned as a single visit, so we ask for photos and rough sizes first. Then the right materials arrive with us.

  1. We start with your penetration schedule, drawings or specification.
  2. Access, permits and the order of areas are agreed with the site team.
  3. Each opening is checked for wall or floor type, service, gap and depth.
  4. Unsuitable material is removed and the opening cleaned.
  5. Backing and fire-rated sealant are installed to the detail and tooled.
  6. Anything outside the detail is reported to you rather than sealed.

Getting the site ready

  • Make sure the joints can be reached
  • Tell us which areas need to stay in use
  • Send your site hours and access windows

Ask for a quote

Quotes are fixed against the scope you send, so the cost is agreed before work starts. To ask for one, phone 01277 525 020 or email us.

Ask for a quote

Advice

What we’re called out for in Foscot

Fire stopping can get squeezed at the end of a programme, or done by whoever is on site. That is how unsuitable products and improvised details end up in compartment walls and later need putting right.

Any of the following is a good reason to get the joints checked over:

  • Head-of-wall gaps with no fire seal
  • Fire sealant pulled out of the opening
  • Improvised or mixed-product fire seals
  • Fire-stopping items raised at inspection or handover

On a hospital site such as Moore Cottage Hospital, which lies west of Foscot, fire-rated sealant goes in where the specification calls for it, with the work planned around the estates team’s permits.

What your quote should include

  • How they handle RAMS and site documents
  • How the existing material will be dealt with
  • Whether their applicators hold CSCS cards
  • Health and safety accreditation such as CHAS

Choosing a commercial sealant contractor

Foscot: questions and answers

Is Wychwood Business Centre, near Foscot, within your area?

Yes. Our area takes in Foscot and its surroundings, with estates and business parks such as Wychwood Business Centre included. A few photos and the unit address let us price the work.

What happens to BS 476 references for fire stopping in Foscot?

From 2 September 2029, Approved Document B drops its BS 476 references in favour of BS EN 13501-2 classification, with transitional arrangements. The designer or fire engineer sets the specification, and we install the product to the manufacturer’s tested detail.

Do you have public liability insurance?

Yes. Our insurance certificate can be sent alongside the quote.

Do you hold CHAS accreditation?

Yes. We are CHAS accredited, we’re a Constructionline member and we use CSCS-carded applicators.

How do we ask for a quote?

You can use the quote form on this site; alternatively, phone 01277 525 020 or send photos by email. Include photos or drawings if you have them.

How long does a job like this take?

It depends on the scope, though a typical visit usually takes a single visit for a short list of penetrations, or a phased programme for a whole building. Larger or phased jobs take longer, and we will give you a timescale with the quote.

How long will the new sealant last?

There’s no fixed lifespan: movement, exposure, cleaning, traffic and the product all play a part. Treat them as maintenance items and inspect them regularly.

What sets the cost

Sealant work doesn’t have a standard rate, since sites vary so much. What we take into account:

  • The product specified
  • Working within restricted access windows
  • Travel to remote or island sites
  • Removal of failed or old sealant

Quantities, awkward access and phased working all shape the price. So do site requirements such as inductions and permits, along with the time of year for external work.

Sending details for a quote

The more we know, the firmer the quote. Helpful details to send:

  • Where the site is, with the postcode
  • How the joints are reached, and at what height
  • Photos of the joints, close up and from further back
  • What the building is and how it’s used

Need a figure for a tender or a budget? Send the scope and any drawings, and we will return a fixed quote that you can work with. For a chat about it beforehand, speak to us on 01277 525 020 or send photos by email.

Maintenance after handover

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

  • Ask which product is in place before decorating
  • Brief every trade that openings they make must be sealed
  • Have penetrations checked while they can still be seen
  • Look above ceilings when tiles are lifted for other jobs

During planned inspections, look at seals in risers, cupboards and voids. Look for cracks, unsealed new cables and gaps that have been enlarged and get them dealt with.

Make reporting new openings part of every permit to work in service areas. It costs little and catches breaches early.

Fire stopping in Foscot: the local picture

Approved Document B is the English guidance that covers fire stopping around openings and penetrations. From 2 September 2029, BS 476 references are being taken out of Approved Document B, leaving BS EN 13501-2 classification as the route, subject to the Government’s transitional arrangements. Our part stays the same: the specified product, installed to its tested detail.

Office fit-outs on sites such as Wychwood Business Centre (to the south-east of Foscot) add cabling and pipework through fire-resisting walls, and fire-rated sealant goes in where the specification calls for it. Holiday works at schools like Bledington Primary School often leave service openings to seal before pupils return.

Foscot is about 9 miles north of Carterton, in Oxfordshire. Across the OX7 postcode area, the process is the same: send details, get a fixed quote, we seal, and the work is guaranteed. 423 places across Oxfordshire fall within our area, including Foscot. For work in that direction, see our Oxford page, about 20 miles away.

We cover the OX7 postcode districts. If your site is on Station Road and Old Burford Road or close by, send details and we will quote for service penetrations. Just outside Foscot, we also work in Idbury (2 miles south-west), Fifield (2 miles south), Milton-under-Wychwood (3 miles south), Fulbrook (6 miles south) and Little Barrington (6 miles south-west). Bigger towns within reach include Witney (10 miles south-east), Carterton (9 miles south), Chipping Norton (5 miles north-east), Woodstock (13 miles east), Cogges (10 miles south-east) and Bloxham (14 miles north-east).

Near you in Foscot

The nearest railway station is Kingham station, about 0.6 miles north-east of the centre. Well-known places in the area include Moore Cottage Hospital (5 miles west).

Map of Foscot © OpenStreetMap contributors
Accreditations

Trusted. Accredited. Insured.