West Berkshire · England

Cold Ash Fire Rated Sealant

Fire-stopping gaps in Cold Ash need attention? We cut out the old, prepare the joints and apply the right sealant, with a one-year guarantee.

  • Door frames with gaps between frame and wall
  • Open joints along the top of partitions
  • Fire seals that have cracked with movement

Fire rated sealant near Cold Ash

Work for landlords, hotels and businesses

Businesses can book us for washrooms, kitchens, offices and more. On commercial sites, working times can be discussed when we quote.

Mouldy or split sealant often shows up at the end of a tenancy, and it’s easy to sort out between tenants. Several properties can be quoted together.

Fire rated sealant for homes and businesses in Cold Ash

A fire seal relies on being installed the way it was tested: the right depth, the right backing and the right product for the substrate. That detail is what we take care over, gap by gap. Common call-outs are for fire seals that have cracked with movement and fire stopping disturbed by later work, across plasterboard & masonry, service penetrations and door frames.

For holiday lets, converted business premises or a community building near Cold Ash, the washrooms, kitchens and any fire-rated joints need the same care as a big site.

Each job carries a 12-month guarantee, large or small.

Eleven members of the Mr Mastic team standing in front of branded white vans
Place
Cold Ash (RG18)
Region
West Berkshire
Cover
One year on every job
Price
A clear price before any work starts
Telephone
0345 464 0079
Updated
26 October 2026

Cold Ash questions

Is Cold Ash in your area for fire rated sealant?

Yes. Our work covers London and the South East, and Cold Ash is part of that. Just phone 0345 464 0079 or drop us an email with a few details of the job, and we will give you a clear price.

I let a flat near Thatcham station. Can you help?

Yes, we work for landlords and agents. You can call 0345 464 0079 or email us with the address and a few details, and we will give you a fixed price before we start.

Do I have to be there?

If the work is inside, we need someone to let us in. Once we’ve agreed the job, you don’t need to watch us work.

What does fire rated sealant cost?

There’s no set price, as it depends on the job: how much there is, what’s there now, how we reach it and what it needs. You’ll get a clear quote before any work starts.

Will there be a smell?

Some sealants have a smell while they cure. Ventilation helps.

Can you give us a record of the work?

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

Should I try DIY first?

You can, for simple jobs. Preparation is everything: all the old sealant out, and a clean, dry joint. If it doesn’t work out, we can redo it.

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

That isn’t something we state or certify. The requirement comes from your assessor, designer or building control, and we apply a product tested for it.

Leave it or put it right?

Paying for fire stopping that has to be redone is a false economy. If the details weren’t followed, the seal may need redoing when the building is next checked. Around Cold Ash, older homes often have timber in their 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, any mould to treat, and whether we need extra access for height. We take all of that into account in your quote.

Why us?

  • Approved under the ARBOMaster scheme
  • Homes, businesses and hotels
  • We leave the area clean and tidy
  • 4.9 on Google from 180+ five-star reviews

Read what affects the cost and our reviews.

Workplaces and buildings in Cold Ash

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 are given, installing the product to its tested details.

Community buildings like St. Mark's Church are part of the picture too: gaps around pipes and cables are worth checking after any building work there. Rented homes near Thatcham station change hands often, and new cables or pipes through a fire-resisting wall leave a gap that needs the right sealant.

Cold Ash is about 2 miles north of Thatcham, in West Berkshire. Jobs in Cold Ash get the same care as everywhere else we work: the old material taken out, joints prepared properly and a 12-month guarantee. We cover 155 towns and villages across West Berkshire. Our Reading page covers work nearby.

Here we cover the RG18 postcode area for fire rated sealant. We cover properties on Harewood Drive, Johnson's Lane and Walters Close and the roads around them. Close by, we work in Ashmore Green (1 mile south-west), Stone Copse (1 mile west), Longlane (2 miles north-west), Thatcham (2 miles south) and Wellhouse (2 miles north). We also work in nearby towns such as Newbury (3 miles south-west), Burghfield Common (9 miles east), Speenhamland (3 miles south-west), Hungerford (11 miles west), Spencers Wood (13 miles east) and Calcot (9 miles east).

Near you in Cold Ash

In Cold Ash, that means homes and buildings near Kennet School. For rail, the closest station is Thatcham station, roughly 2.3 miles south-east of the centre. Well-known places in the area include West Berkshire Community Hospital (1.8 miles south-west) and British Balloon Museum & Library Ltd (3 miles south-west). Green spaces nearby include Nature Discovery Centre.

Map of Cold Ash © OpenStreetMap contributors

Quotes for fire rated sealant in Cold Ash

You’ll get a clear quote before any work starts. It’s based on:

  • How many rooms, windows or areas are involved
  • Any working-time requirements on site
  • How much there is to do
  • Mould in or behind the old joints

We don’t show prices on the website, because each job is priced on what it involves. For a quick quote, please ring 0345 464 0079 or email us.

What we need to know

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

  • Pictures of the joints, sent by email
  • Where the job is, and your postcode
  • Any access issues, like height or stairs
  • Whether it has been sealed before

For fire rated sealant in Cold Ash, call 0345 464 0079 or send us an email. A short description of the job and where it is helps us quote, and we’ll agree the price before any work begins.

How the job changes by surface

Linear gaps

Some linear gaps have to cope with movement as well as fire. We choose a product and depth that suit the gap and the movement from the manufacturer’s details.

Plasterboard walls

Holes in plasterboard are often cut roughly for services. Where a hole is bigger than the sealant’s tested range, it needs another approach and we’ll flag it.

Common problems we fix in Cold Ash

Over time, buildings change layout and use. Conversions to flats and HMOs, and office refits, create new walls and new routes for services, with gaps to match.

Look out for these signs:

  • Sealant items on a fire risk assessment action list
  • Cracked or shrunken fire-rated sealant
  • Gaps filled with a product that isn’t fire-rated
  • Gaps around pipes and cables through fire-resisting walls

For site and facilities teams at buildings such as Cold Ash St Mark's C.E. School, fire-stopping around service openings should be restored whenever new services go in.

What your quote should include

  • How long the guarantee is
  • How the joint is cleaned and prepared
  • What happens if the job turns out different
  • Are they insured?

How to choose a mastic man

DIY sealant or a professional job?

Some sealant jobs are within reach of a careful DIYer, like a short, easy-to-reach joint indoors. The common mistakes are sealing over old sealant, sealing a damp joint and using far too much.

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.

What happens on the day

There’s no need to move everything out, 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. In a small place like Cold Ash, access is normally the main thing to plan. If the job is outside, mention outbuildings, exposed walls and how to reach them.

  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 gap cleaned.
  4. The specified fire-rated sealant goes in over any backing its detail requires.
  5. Every location is recorded with the product used for your records.

Before we arrive

  • Keep pets and children clear of the area while we work
  • For business premises, tell us about site rules or sign-in
  • Let us know if you’ve seen damp or leaks

Getting a quote

For a quote, ring 0345 464 0079 or drop us an email with the location and a short description of the problem. You’ll have a clear quote before work begins.

Get a quick quote

Related advice

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