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

Fire-rated sealing and fire stopping in Farmoor, Oxfordshire

Fire stopping in Farmoor, backed by over 20 years in commercial sealing. Fully insured, with a 12-month guarantee.

  • Seals disturbed by maintenance and left open
  • Penetration schedules that need working through
  • Fire stopping installed outside its tested range
1
Send details
Send the specification, photos or a marked-up plan.
2
Get a quote
A fixed quote for the work, with the scope in writing.
3
We seal
Prepared joints, the specified product, a tidy finish.
4
Guaranteed
Our workmanship is guaranteed for 12 months.
London, the South East & Scotland
CHAS accredited
£5m PL insurance

Fire stopping in Farmoor

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

When to bring in a specialist

The visible bead is only part of the job. Correct depth, the right primer and a sealant matched to the movement are where general trades tend to cut corners.

Site maintenance staff can often handle a short internal joint. Where it goes wrong is preparation: new sealant over old, damp or dusty faces, or the wrong product for the movement.

Fire stopping in Farmoor, done properly

On a fit-out or refurbishment, we follow the services contractors floor by floor. We work from your penetration schedule or marked-up drawings alongside the manufacturer’s details. Tell us what records you need and we’ll confirm with the quote. If you have unsealed penetrations discovered above suspended ceilings and fire-rated sealant that has cracked or shrunk back, we can put it right, whatever the surface. One point of contact handles commercial sealant work in Farmoor from the first photos to the final walk-round, whether it’s one building or several.

Around smaller places like Farmoor, 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.

Work we carry out in Oxfordshire comes with a 12-month guarantee. Should something we installed fail, call the office on 01277 525 020 or email drawings and photos and we will come back to it.

The Mastic Doctor team standing beside their branded vans outside an office building
Place
Farmoor (OX2)
Region
Oxfordshire
Guarantee
12 months on our workmanship
Quote
Fixed quote, scope in writing
Phone
01277 525 020
Page updated
3 November 2026

Work for main contractors and building owners

Hotels, schools, healthcare sites, offices and retail units come to us directly as well. The work is planned around how the building runs, so guests, pupils, patients or staff are disturbed as little as possible.

Housing associations and managing agents often need work done across blocks and communal areas. Work can be phased so residents and staff keep access throughout, and each stage is agreed with your contact.

Your questions answered

Will you plan work around the academic year at somewhere like Azad University in Oxford?

Yes. We plan campus work around teaching, exams and residence turnarounds. Any paperwork you need, from RAMS to our insurance certificate and CSCS details, is confirmed with the quote.

Can you work at a site such as Oakfields Industrial Estate, by Farmoor?

Yes, sites like Oakfields Industrial Estate are within our area, along with the rest of Farmoor. Send details of the unit and the work through our quote form for a quick quote.

Do the same rules apply to fire stopping in Scotland?

Scotland sets its own building regulations, with Technical Handbooks. Either way, we install the specified sealant to its tested detail.

Who decides which product is used?

Where there’s a specification, we use the product it names. If not, we choose for the movement, the surfaces and the conditions, in line with the manufacturer’s guidance.

How long before the joints can be used?

Curing time varies by product, and we confirm it on the day, and sign any area that should be left alone.

Can you quote from photos?

Many jobs can be quoted from photographs, drawings or a joint schedule. Where they aren’t, we arrange a site visit.

Can you reseal penetrations after our M&E works?

Yes, where there is a specification for those walls and floors. New services after M&E works often breach existing seals.

Signs you need fire stopping in Farmoor

Physical damage is another reason seals stop doing their job. Maintenance work can knock a seal, cut it back for an extra cable or remove it with an old pipe and the opening isn’t always resealed.

If one of these sounds familiar, it’s time for a closer look:

  • Seals that don’t match their tested detail
  • Expanding foam used as fire stopping
  • Service penetrations left open after M&E works
  • Unsealed joints where partitions meet the slab

For a unit at a site such as Oakfields Industrial Estate (1.6 miles north-west of Farmoor), new power or data runs between office and warehouse can breach a compartment wall.

What to look for in a quote

  • Will RAMS and insurance details be available?
  • Is depth set with backing rod, or bond-breaker tape in shallow joints?
  • Who will actually carry out the work
  • Can the work be phased to keep areas open?

How to choose a sealant contractor

Compartments and services around Farmoor

Fire stopping of openings and penetrations in England falls under Approved Document B. Its BS 476 references are being withdrawn from 2 September 2029, with BS EN 13501-2 classification taking over, subject to transitional arrangements. Our part stays the same: the specified product, installed to its tested detail. Farmoor has two care or nursing homes no more than 2 miles away. Care homes rely on fire-resisting walls and floors, and maintenance work that breaks through them leaves openings to seal. Where that’s fire-rated sealant, we install it to the manufacturer’s tested detail.

Tenant changes at centres like West Way Shopping Centre (2.3 miles east of Farmoor) often mean new services through walls between units. Residences at universities like Azad University in Oxford (less than half a mile north-west of Farmoor) have compartment walls that must be resealed whenever services change.

Farmoor is about 5 miles west of Oxford, in Oxfordshire. Looking for fire stopping in Farmoor? We can help. Farmoor is one of 423 places in Oxfordshire on our list for service penetrations.

Work on service penetrations is covered throughout OX2, whatever the building. If your site is on Mayfield Road, Oxford Road and Meadow Close or close by, send details and we will quote for service penetrations. Close to Farmoor, our area also takes in Filchampstead (1 mile south), Swinford (1 mile north-west), Dean Court (2 miles south-east), Eynsham (2 miles north-west) and Wytham (2 miles north-east). Nearby towns on our patch include Oxford (5 miles east), Didcot (11 miles south-east), Bicester (13 miles north-east), Abingdon-on-Thames (6 miles south-east), Witney (6 miles west) and Carterton (10 miles west).

Around Farmoor

Farmoor’s nearest station is Oxford station, about 3.4 miles east of the centre. A little further out are Oxford University Press Museum (3.6 miles east) and Radcliffe Infirmary (3.7 miles east). Green spaces nearby include Hook Meadow and The Trap Grounds and Cumnor Hill.

Map of Farmoor © OpenStreetMap contributors

From enquiry to sign-off

Where the site stays busy, the work is phased so only one area is out of use at a time. Each area is protected, prepared and sealed before the next one starts. For a building around Farmoor, tell us how to find it and who will meet us. Add it to your enquiry and we will build it into the plan.

  1. We ask for the product and detail your designer has specified.
  2. We sort the openings by the detail each one needs.
  3. Improvised fillers and failed sealant are removed.
  4. Where the detail needs backing, it goes in at the stated depth.
  5. We gun the sealant in to the specified depth around each service and tool it.
  6. Completed areas are checked with you, with the records agreed when we quoted.

Preparing the site

  • Make sure the joints can be reached
  • Agree which areas must stay open
  • Send any specification or drawings in advance

Quotes

To get a fixed quote, speak to us on 01277 525 020 or email drawings and photos with the site address and an outline of the work. You can also send details through our quote form.

Ask for a quote

Read more

When something else is needed

A few problems need another trade or a different fix, and we point that out rather than sealing over them:

  • Walls or floors that aren’t fire-resisting to begin with
  • Openings that need collars, wraps, batts or boards rather than sealant
  • Reviewing a building’s overall fire safety

If in doubt, ring 01277 525 020 or email us and we’ll say what we think before you book.

What we seal

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

Keeping the joints sound

Your facilities or cleaning team can help the joints last. Share these points with them:

  • Get seals inspected before ceilings and boxing close
  • Ask the designer to confirm details early on refits
  • Ask which product is in place before decorating
  • Check risers and ceiling voids after each round of works

Never top up a fire seal with foam, ordinary silicone or filler. Repairs need the same product and detail as the original unless the designer specifies otherwise.

Write fire stopping into the scope of any work crossing a compartment wall or floor. That way the opening is sealed while the trade and access are still there, not months later.

Accreditations

Trusted. Accredited. Insured.