Oxfordshire · England

Sandford-on-Thames Fire Rated Sealant

Intumescent and fire-rated sealant around gaps, frames and service penetrations for Sandford-on-Thames, backed by a one-year guarantee. Call for a quick quote.

  • Gaps flagged on a fire risk assessment
  • Unsealed gaps around fire door frames
  • Holes left by a change of layout

Book fire rated sealant in Sandford-on-Thames

Fire rated sealant in Sandford-on-Thames

Fire-rated sealant closes the gaps around pipes, cables and frames where they pass through a fire-resisting wall or floor. We apply intumescent and fire-rated sealants to the manufacturer’s tested details for each gap, with a record of the products and locations if you need one. We work on flats & HMOs, service penetrations and plasterboard & masonry, and common reasons people get in touch are unsealed gaps around fire door frames and damaged fire sealant left by other trades.

For a small place like Sandford-on-Thames, the journey and timings are agreed in advance, so the job can fit around bookings, guests or opening times where possible.

There’s a 12-month guarantee on every job, whatever its size.

Mr Mastic applicators lined up beside the company vans, one holding a sealant gun
Location
Sandford-on-Thames (OX4)
Region
Oxfordshire
Cover
A year, on every job
Quotes
A clear price before we start
Call
0345 464 0079
Page updated
26 October 2026

What happens on the day

We keep the work tidy and contained to the area we’re working on. The job usually takes from a few hours to a few days, depending on the number of gaps and the access, and we tell you how long to leave it before we go. Somewhere like Sandford-on-Thames needs a little journey planning: let us know about lanes, gates and parking. We bring what the job needs, so it can be finished in one trip where possible.

  1. We begin by agreeing the list of gaps from your assessor’s or designer’s requirements.
  2. We measure every gap and note what it’s in and what passes through.
  3. Any non-fire-rated filler is removed.
  4. We fit backing where needed and apply the fire-rated sealant to depth.
  5. We hand over a list of locations and products for your files.

Before we arrive

  • Tell us about any previous sealing or DIY attempts
  • Let us know about stairs, lifts or work at height
  • Tell us if parking is tricky

Get a quote

The more we know about the job, the more useful the quote. Let us know the location, the problem and roughly how many joints, and email photos if that’s easy.

Get a quick quote

Advice

FAQs for Sandford-on-Thames

Do you work in hotels near Sandford-on-Thames?

Yes, hospitality work, including hotels, is part of what we do. Work can be planned room by room, and out-of-hours working can be arranged.

Do you cover smaller places like Sandford-on-Thames?

Yes, we do. Our work covers London and the South East, from towns to the smallest places. Longer journeys are simply planned in advance.

Can I choose the sealant colour?

We help you choose a colour that suits. The choice depends on the product the joint needs.

Do I need to be at home?

It depends on the job. Inside work needs someone to give us access.

Can you tell me which gaps need fire stopping?

No. That is for a fire risk assessor, designer or building control. Our job is applying the sealant to their specification.

Is standard sealant good enough for a fire gap?

No. It looks sealed but won’t perform as fire stopping. Use a product tested for that gap and service.

What information do you need?

A short description and the location. If we need more, we’ll ask.

Do you hold any approvals?

Yes. Mr Mastic is an ARBOMaster approved applicator.

What happens if it’s left?

Fire-rated sealants are less forgiving than ordinary ones. Depth, backing and surface preparation all affect how a seal performs, and we work to the product details every time. Older cottages and farmhouses around Sandford-on-Thames can have timber floors and frames, where water from a failed joint can cause rot if it’s left.

A few things move the cost up or down: the old material and how easily it comes out, whether mould needs treating, and whether we need extra access for height. We take all of that into account in your quote.

Why us?

  • More than 20 years in sealant work
  • Any old sealant cut out fully, not covered over
  • Fully insured
  • 12-month guarantee on every job

Read what affects the cost and customer reviews.

For landlords and businesses

We regularly work with letting and managing agents. Send the address, what’s needed and the access arrangements and we will quote.

In hotels, rooms out of use cost money, so we plan the work room by room. We have worked in hotels as well as homes and businesses.

When it is not the sealant

Sealant isn’t the answer to every problem, and we will tell you before work begins. It will not solve:

  • A wall that isn’t a fire-resisting element to begin with
  • Doors that aren’t fire doors in the first place
  • Issuing a fire rating or certificate for a building

Not sure which it is? You can phone 0345 464 0079 or drop us an email and we will tell you honestly before you book.

What we seal

  • Service penetrations
  • Plasterboard & masonry
  • Linear gaps
  • Door frames
  • Pipe & cable gaps
  • Flats & HMOs

Common problems we fix in Sandford-on-Thames

If the sealant is too shallow, has the wrong backing or sits on a dusty surface, it isn’t installed as tested. Rushed fire stopping is common particularly when it was the last job before handover.

The problems people generally mention when they call include:

  • Unsealed gaps around fire door frames
  • Gaps where walls meet ceilings or slabs
  • Cracked or shrunken fire-rated sealant
  • Gaps left after a refit or conversion

Managing a site like John Henry Newman Academy? Then gaps opened by contractors for new cabling are a common finding in schools and offices.

What to look for in a quote

  • Whether the sealant suits the joint
  • How long to leave it before use
  • What the quote includes, VAT included or not
  • What insurance they hold

How to choose a mastic man

How the job changes by surface

Flats and HMOs

Working in occupied flats needs some planning. We agree access to each flat and the common parts before any work starts so residents know what to expect.

Plasterboard walls

Many fire-resisting walls in flats, offices and conversions are plasterboard. The sealant has to be one tested in plasterboard for each gap size.

What affects the cost of fire rated sealant

Some jobs are bigger than they look, and some smaller. What affects the quote:

  • The number of rooms or windows
  • The type of sealant required
  • Whether the work is at height
  • Working hours on commercial sites

We don’t show prices on the website, because the cost depends so much on the job itself. For a quick quote, please call 0345 464 0079 or drop us an email.

Helping us quote

Photos by email are helpful but not essential. Please mention:

  • How many joints, rooms or windows are involved
  • Whether it has been sealed before
  • Where the property is
  • If it’s domestic, commercial or a hotel

Quotes start with a quick conversation. Tell us what’s wrong, where it is and how much there is. Whenever you are ready, ring 0345 464 0079 or drop us an email.

What fire rated sealant looks like in Sandford-on-Thames

Workplaces and the common parts of blocks of flats in England need a fire risk assessment under the Regulatory Reform (Fire Safety) Order 2005, which is often where open fire-stopping gaps are first noticed. We work to the specification you’re given, installing the product to its tested details. There are hotels and other places to stay in and around Sandford-on-Thames. Hotel work can be planned room by room, with out-of-hours working where needed.

For buildings such as Church of St Andrew, service openings in its walls need the right fire-rated sealant, as in any building. Letting a property close to Radley station? Then new cables or pipes through a fire-resisting wall leave a gap that needs the right sealant.

Sandford-on-Thames is about 3 miles south of Oxford, in Oxfordshire. If you need fire rated sealant in Sandford-on-Thames, it’s easy to get a quote: please call 0345 464 0079 or send us an email. We are based in Crawley and cover Oxfordshire, Sandford-on-Thames included. Across Oxfordshire, we cover 443 places, Sandford-on-Thames among them.

Here we cover the OX4 postcode area for fire rated sealant. Fire rated sealant is available to properties on Church Road, Rock Farm Lane and Keene Close. We also cover the places around Sandford-on-Thames: Littlemore (1 mile north), Kennington (1 mile west), Blackbird Leys (1 mile north-east), Iffley (1 mile north) and Cowley (1 mile north). We also work in nearby towns such as Oxford (3 miles north), Didcot (7 miles south), Bicester (13 miles north), Abingdon-on-Thames (3 miles south-west), Witney (13 miles north-west) and Thame (11 miles east).

Local landmarks in Sandford-on-Thames

Typical jobs here are in homes near The Oxford Academy, Emmanuel Christian School and The Catherine Wheel pub. The closest station to Sandford-on-Thames is Radley station, roughly 2 miles south of the centre. Nearby you will also find British Tattoo History Museum (2 miles north) and Oxford Castle and earlier settlement remains (3.1 miles north-west). For a walk, there’s CS Lewis Nature Reserve and Headington Hill.

Map of Sandford-on-Thames © OpenStreetMap contributors
20+ yearsMastic and sealant specialists
ARBOMaster approvedApproved applicator for Arbo sealants
Fully insuredDomestic, commercial and hotels
One-year guaranteeOn every job