Milton Keynes · England

Fire Rated Sealant in Great Horwood

Professional fire rated sealant in and around Great Horwood, with old sealant always removed completely and a one-year guarantee.

  • Gaps flagged on a fire risk assessment
  • Holes left by a change of layout
  • Ordinary sealant used where a fire-rated product was needed

Fire rated sealant in Great Horwood

About our fire rated sealant in Great Horwood

A fire seal relies on being installed the way it was tested: correct depth, correct backing and a product suited to the surfaces. That detail is what we take care over. We work on linear gaps, flats & HMOs and pipe & cable gaps, and people most often call us about gaps filled with a product that isn’t fire-rated and seals cut through by electricians, plumbers or data installers.

If you have holiday lets, a converted barn used for business or a community building near Great Horwood, washroom and kitchen sealant and any fire-rated joints need the same attention as anywhere.

A 12-month guarantee comes with the work, just as it does everywhere we cover.

Eleven members of the Mr Mastic team standing in front of branded white vans
Place
Great Horwood (MK17)
Wider area
Milton Keynes
Cover
A year, on every job
Quote
A clear price before any work starts
Phone
0345 464 0079
Updated
26 October 2026

Great Horwood questions

Can you do fire rated sealant in Great Horwood?

Yes. We work across London and the South East, and Great Horwood is part of that. You can ring 0345 464 0079 or drop us an email and tell us what needs doing, and we will send you a clear quote.

Will you come out to Great Horwood?

Yes. Great Horwood is within the area we cover, which takes in towns, villages and rural addresses. We work across London and the South East. Let us know about access, parking and anything unusual about getting there when you book.

What does fire rated sealant cost?

We don’t publish prices, because the cost depends on the job: its size, the old material, access and the product needed. You will get a clear quote before we start.

Will there be a smell?

Some sealants have a smell while they cure, which fades as it sets. Opening a window helps.

What do you put in the joint?

We choose the sealant for the joint, not the other way round. Movement, water and weather all affect the choice, and we will explain our choice.

Will we have a record of what was sealed?

Yes. Locations and products are written up when we finish. If you need pictures or a set layout, ask when you get a quote.

Can tenants book the work?

We are happy to deal with the tenant, landlord or agent. Get your landlord’s agreement first.

Are you fully insured?

Yes, we’re fully insured for domestic and commercial work.

When it is not the sealant

Before you book, it’s worth knowing the limits:

  • Construction that doesn’t provide fire resistance on its own
  • Openings too large for sealant, which need batts, boards or another system
  • Problems with the door itself rather than the gap around the frame

If in doubt, phone 0345 464 0079 or drop us an email and we will say what we think before booking.

Joints and surfaces we work on

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

What affects the quote in Great Horwood

The price is agreed before any work begins. It’s based on:

  • The size of the job
  • Mould in or behind the old joints
  • How much old sealant there is and how hard it is to remove
  • The number of rooms or windows

What it costs depends on the amount of work, how much old material has to come out and access to the work. We give a clear quote before any work starts.

Asking for a quote

Photos help, but a description is a good start. Try to tell us:

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

To get a quote, phone 0345 464 0079 or drop us an email and tell us where the job is and what the problem looks like. You will have a clear quote before any work starts.

Signs you need fire rated sealant in Great Horwood

Sealant applied too thin, without the backing its detail needs, or onto dust will not perform as it was tested. Rushed fire stopping is common, especially where it was squeezed in at the end of a project.

Common reasons people contact us are:

  • Gaps where walls meet ceilings or slabs
  • Sealant items on a fire risk assessment action list
  • Old fire sealant that has split or come away
  • Gaps left after a refit or conversion

Community buildings like Church of St James are part of the picture too: older buildings that have had new heating or wiring often have service gaps worth checking.

Comparing quotes

  • Whether they’re fully insured
  • How much experience the applicator has
  • How long to leave it before use
  • How hidden problems are handled

10 questions to ask before booking

How the job changes by surface

Flats and HMOs

In flats and HMOs, the walls and floors between homes and common areas need sealing where services pass through. We work through the gaps on your assessment.

Door frames

Our work is the joint between frame and wall. Doors, seals and closers are for a door specialist and we will mention anything we notice.

Commercial buildings in Great Horwood

In England, the Regulatory Reform (Fire Safety) Order 2005 requires a fire risk assessment for workplaces and for the common parts of blocks of flats, and gaps around services are often picked up there. We work to the specification you’re given, installing the product to its tested details.

Managing a site like Great Horwood Church of England School? Then service openings in fire-resisting walls need checking after any refurbishment.

Great Horwood is about 5 miles east of Buckingham, in Milton Keynes. Wherever you are in the MK17 postcode area, we can carry out fire rated sealant at your property. Our Milton Keynes coverage runs to 73 places, Great Horwood among them. We also work in Oxford, around 22 miles away.

We work across MK17 for fire rated sealant. You’ll find streets such as High Street, The Green and Willow Road. We also cover Little Horwood (1 mile east), Nash (2 miles north), Winslow (2 miles south), Whaddon (3 miles north-east) and Swanbourne (3 miles south-east). We also work in nearby towns such as Milton Keynes (6 miles north-east), Bletchley (6 miles east), Newport Pagnell (10 miles north-east), Bletchley and Fenny Stratford (7 miles east), Furzton (5 miles north-east) and Whitehouse (5 miles north-east).

Landmarks near Great Horwood

Typical jobs here are in homes near Sir Thomas Fremantle School and The Crown pub and the streets around them. Nearby you’ll also find Buckingham Community Hospital (5 miles north-west) and Drayton Parslow Mound (4.2 miles south-east). Open spaces near Great Horwood include Buckingham Sand Pit.

Map of Great Horwood © OpenStreetMap contributors

Should I try it myself first?

Sealing over old silicone is the commonest DIY error. New silicone won’t bond to old, so it peels away and traps moisture behind it. Everything old must be removed first.

Overfilling a joint is a classic DIY mistake. A thick, smeared bead looks untidy and doesn’t move well, and the joint depth matters as much as the finish.

Looking after it afterwards

Good habits help new joints last longer. Our tips:

  • Plan fire stopping into any work that goes through walls or floors
  • Include hidden areas like risers in routine checks
  • Get damaged fire seals looked at promptly
  • Make resealing part of every contractor’s brief

Tell other trades that the gaps have been sealed, and make sure anything they disturb is resealed with a suitable product. A lot of damaged fire stopping comes from later work.

A flagged gap shouldn’t wait for the next assessment. Get it sealed and recorded so the item can be closed.

What happens on the day

You don’t need to clear the whole room or building before we come, just the space around the work. Everything nearby is protected, and the job takes a few hours for a handful of gaps, and longer for a whole building for a typical job. For a village or hamlet like Great Horwood, the journey is planned in advance: let us know about lanes, gates and parking. Everything for the job comes with us, so a second trip is avoided where possible.

  1. Before starting, we go through the specification or action list with you.
  2. We measure every gap and note what it’s in and what passes through.
  3. Unsuitable material such as ordinary foam or silicone is cut out and the faces cleaned.
  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.

Getting ready for the visit

  • For business premises, tell us about site rules or sign-in
  • Keep pets and children clear of the area while we work
  • Where the joints are inside, avoid wetting them before we arrive

Getting a quote

We quote each job on its own. Just ring 0345 464 0079 or drop us an email with the details, and photos are welcome.

Get a quick quote

Advice

20+ yearsMastic and sealant specialists
ARBOMaster approvedApproved applicator for Arbo sealants
Fully insuredDomestic, commercial and hotels
One-year guaranteeOn every job