Buckinghamshire · England

Little Kingshill Fire Rated Sealant

Fire rated sealant in Little Kingshill from a team with over 20 years’ experience. Rated 4.9 on Google from 180+ five-star reviews.

  • Open joints along the top of partitions
  • Gaps flagged on a fire risk assessment
  • Standard silicone or caulk in a fire-stopping gap

Fire rated sealant in Little Kingshill

DIY sealant or a professional job?

The biggest DIY mistake is sealing over old sealant. Silicone does not stick to old silicone, so it lifts and traps water and mould underneath. All the old material has to come out first.

Not every job suits DIY: high-level joints, fire-rated gaps, external movement joints and big jobs need the right product, the right access and the right method.

Fire rated sealant in Little Kingshill

Filling a fire-stopping gap with standard silicone or caulk doesn’t make it fire-rated. We cut out the wrong material and the gap is resealed with a product tested for that use. We’re often asked to deal with joints picked up in a fire-stopping survey and unsealed gaps around fire door frames, across door frames, pipe & cable gaps and linear gaps.

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

We stand behind the work with a 12-month guarantee, so you’re not left on your own once the job is done.

Eleven members of the Mr Mastic team standing in front of branded white vans
Location
Little Kingshill (HP16)
Wider area
Buckinghamshire
Guarantee
12 months on all our work
Quotes
A clear quote up front
Telephone
0345 464 0079
Last updated
26 October 2026

What happens on the day

Good joint work is mostly preparation, and we don’t rush it. Joints are cleaned back and dried before anything new goes in. All told, the work takes a few hours for a handful of gaps, and longer for a whole building. Somewhere as small as Little Kingshill, access is often the only tricky part. For outside work, also let us know about exposed walls and any outbuildings involved.

  1. Access to each area is agreed so the work can run in order.
  2. Old, damaged or unsuitable sealant is removed.
  3. Dust and loose debris are cleaned from each gap.
  4. The fire-rated or intumescent sealant is applied and tooled to the tested detail.
  5. We record what was done and flag anything that needs a different system.

How to prepare

  • Let us know about stairs, lifts or work at height
  • For indoor joints, keep the area dry beforehand if you can
  • Move anything stored near the joints

Get a quote

Asking for a quote is easy: tell us what needs doing and where, and roughly how big it is. Photos by email help us understand the job.

Get a quick quote

Advice

How the job changes by surface

Linear gaps

Linear gaps run along the head of walls, at floor edges and between panels. We seal them to the tested detail, with backing where it’s needed.

Service penetrations

New gaps tend to show up where services have been added. Old or unsuitable filler comes out before the right sealant goes in.

What sealant work can’t fix

We’d rather tell you now than do work that will not last, so these are the limits:

  • Fire doors that need new seals, closers or hardware
  • Walls or floors that weren’t built to resist fire
  • Sign-off of the building, which sits with building control or your assessor

If in doubt, phone 0345 464 0079 or send us an email and we’ll say what we think.

Where we work in Little Kingshill

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

Commercial buildings in Little Kingshill

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 apply fire-rated sealant to the assessor’s or designer’s specification and the product’s tested details.

If you look after a church, hall or community building such as Church of Saints Peter and Paul, older buildings that have had new heating or wiring often have service gaps worth checking. For site and facilities teams at buildings such as Ash Hill Primary School, fire-stopping around service openings should be restored whenever new services go in. If you let a flat or house near Great Missenden station, fire-rated sealant around pipes and cables through walls and floors needs making good whenever new services go through.

Little Kingshill is about 4 miles south-west of Chesham, in Buckinghamshire. Homes, rented property, offices and hotels in Little Kingshill can book us for fire rated sealant, old or new, large or small. The work is guaranteed for a year. Little Kingshill is one of 263 places in Buckinghamshire we cover. Reading is on our list too, about 20 miles from Little Kingshill.

Work in HP16 is quoted and booked the same way as anywhere else. Fire rated sealant is available to properties on London Road, New Road and Pines Close. If you’re just outside Little Kingshill, we cover Spurlands End (1 mile south), Great Kingshill (2 miles south-west), Prestwood (2 miles north-west), Widmer End (2 miles south-west) and Stony Green (2 miles west). We also work in nearby towns such as Aylesbury (10 miles north-west), High Wycombe (5 miles south-west), Chesham (4 miles north-east), Marlow (9 miles south), Amersham (4 miles east) and Beaconsfield (6 miles south-east).

Landmarks near Little Kingshill

Around Little Kingshill, our work takes us to homes and buildings near The Nag's Head Public House, The Misbourne School and Missenden Abbey Adult Education College. The closest station to Little Kingshill is Great Missenden station, about 1.1 miles north. A little further out are Chiltern Hospital (less than half a mile east) and Roald Dahl Museum and Story Centre (1 mile north). Green spaces nearby include Prestwood Local Nature Reserve.

Map of Little Kingshill © OpenStreetMap contributors

Little Kingshill questions

Is Little Kingshill in your area for fire rated sealant?

Yes, Little Kingshill is within the area we cover. Our work covers London and the South East. You can ring 0345 464 0079 or drop us an email and let us know what needs doing, and we’ll give you a clear quote.

Can you help a landlord with a rental near Great Missenden station?

Yes, landlords and agents are among the people we work for, and several properties can be quoted together. Just phone 0345 464 0079 or email us with the address and what needs doing, and we’ll give you a clear quote.

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.

Do you take on fire stopping in schools and offices?

Yes. We regularly work in flats, HMOs, schools and offices while they’re in use. Out-of-hours work can be arranged if that suits the building.

Can you tell me which gaps need fire stopping?

No, assessment isn’t something we do. Once you have a specification or action list from your assessor or designer, we can quote for the fire-rated sealant items.

Can you tell me how many minutes the seal will last?

Ratings and certification sit with the product’s test evidence and whoever specified the work. We apply the specified product to the manufacturer’s details and giving you a record of where it went.

How do I get a quote for fire rated sealant in Little Kingshill?

We don’t publish prices, because the cost depends on the job: its size, the old material, access and the product needed. We agree the price before any work begins.

Which products do you use?

We choose the sealant for the joint, not the other way round. Movement, water and weather all affect the choice, and we will tell you what we’re using.

Landlord and commercial work in Little Kingshill

Housing providers, facilities teams and property managers book us too in Little Kingshill and across Buckinghamshire. We can quote a run of properties together, and we’re fully insured for the work.

From a single let to a portfolio, the work is the same standard: old sealant fully removed, joints prepared properly and a one-year guarantee.

Quotes for fire rated sealant in Little Kingshill

We quote each job individually. This is what makes a difference:

  • Which sealant suits the joint
  • The amount of work
  • Mould in or behind the old joints
  • How easy the joints are to reach

Doing several joints on one visit usually makes better use of the time than several visits, so it’s worth mentioning everything you’d like done. You will get one clear quote for the whole job.

What to tell us for a quote

To make quoting easier, let us know:

  • Where the job is, and your postcode
  • Whether it’s a home or a business
  • Roughly how big the job is
  • Whether it has been sealed before

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 pictures if that’s easy.

Aftercare tips

After the cure time, these simple habits help:

  • Check risers, ceiling voids and cupboards during building checks
  • Plan fire stopping into any work that goes through walls or floors
  • Take photos of fire stopping before ceilings or boxing go back
  • Keep the record of products and locations with your fire safety documents

Follow the cure time we give you before decorating over the sealant. Some fire-rated sealants can be painted and some cannot, so ask us which we used.

If a fire risk assessment has flagged a gap, do not leave it for the next one. Have it sealed, then keep the record so the item can be closed.

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