Greater London · England

Fire Rated Sealant in Eastfields

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

  • Gaps flagged on a fire risk assessment
  • Gaps filled with a product that is not fire-rated
  • Fire seals that have cracked with movement

Fire rated sealant in Eastfields

Why act early in Eastfields

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. Damp from a failed joint spreads quietly in older London brickwork and timber, and once it shows in Eastfields, the repair is bigger than a sealant job.

There are no prices on our website, because the cost depends so much on the job itself. Call for a quick quote and we’ll talk you through it.

What you get with us

  • Arbo and Everbuild products
  • We are fully insured
  • An ARBOMaster approved applicator
  • Sanitary silicone with an anti-fungal additive in wet areas

Read our cost guide or customer reviews.

Fire rated sealant in Eastfields

Fire-rated sealant closes the gaps around pipes, cables and frames where they pass through a fire-resisting wall or floor. Each gap is sealed to the product maker’s tested detail for its size and substrate, with a record of the products and locations if you need one. Common call-outs are for fire stopping disturbed by later work and open gaps behind door architraves, on door frames, flats & HMOs and service penetrations.

In London’s blocks of flats, service risers and common parts have pipes and cables passing through walls and floors. In Eastfields, building managers may need both fire-rated sealant around those openings and new sealant in shared washrooms.

All our work is covered by a one-year guarantee.

Where
Eastfields (CR4, SW16, SW17)
Region
Greater London
Cover
One year on every job
Price
Quoted before any work starts
Call
0345 464 0079
Page updated
26 October 2026
The Mr Mastic team in navy uniforms in front of three Mr Mastic vans

Quotes for fire rated sealant in Eastfields

Call for a quick quote. The main things that affect it are:

  • How many areas need sealing
  • Whether there’s mould to deal with
  • Which sealant suits the joint
  • The size of the job

Rather than a set price list, we price the job in front of us: how many joints, what’s in them now and how we reach them. The price is agreed before we begin.

Helping us quote

To help us quote quickly, let us know:

  • What’s wrong with the joints now
  • How many joints, rooms or windows are involved
  • A few photos by email, if you can
  • Where the property is

Need a quote? Please ring 0345 464 0079 or drop us an email with a few details. You’ll know what we plan to do, and what it will cost, before any work begins.

The process

When we get to you, we compare the joints with what we discussed. If we find something unexpected, we talk it through with you first. After that, the work takes from a few hours to a few days, depending on the number of gaps and the access. In a London area like Eastfields, the main things to plan are parking and access: tell us about permits, visitor bays or off-street space, which floor we are working on and whether there’s a lift.

  1. First we work through your list or survey, measuring each gap and checking what it’s formed in.
  2. Anything that is not fit for the job comes out, and the gap is cleaned.
  3. We put in whatever backing or fill the product detail specifies.
  4. We apply the fire-rated or intumescent sealant to the specified depth and tool it.
  5. Locations and products are noted so you have them on file.

Getting ready for the visit

  • Tell us about access, such as stairs, a lift or high-level joints
  • For business premises, tell us about site rules or sign-in
  • Move anything stored near the joints

How to get a quote

Quotes start with a quick conversation. Describe the problem, the location and the size of the job, and we’ll talk you through what we’d do. When it suits you, phone 0345 464 0079 or send us an email.

Get a quick quote

Advice

DIY sealant or a professional job?

A DIY attempt does not rule out a professional job. We remove it and do the joint properly, so just mention it when you contact us.

A careful DIYer can reseal a simple joint, 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.

When something else is needed

In fairness, some problems need a different trade:

  • Large holes that need a different fire-stopping system
  • Certifying a building or signing off its fire safety
  • Assessing a building’s fire safety

If you’re not sure, just ring 0345 464 0079 or email us and we’ll give you a straight answer.

Surfaces we seal

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

Different surfaces, different methods

Masonry and concrete

Core-drilled and broken-out holes in concrete are often irregular. We measure the gap at its widest point against the product’s tested range.

Flats and HMOs

In flats and HMOs, the walls and floors between homes and common areas need sealing where services pass through. We seal the gaps your assessor has identified, flat by flat if needed.

Questions from Eastfields

Is parking an issue for fire rated sealant in Eastfields?

In much of London, parking needs planning: a visitor permit or a bay close to the door helps a lot, so mention what’s available when you book.

I let a flat near Mitcham Eastfields station. Can you help?

Yes, landlords and agents are among the people we work for, and several properties can be quoted together. You can call 0345 464 0079 or send us an email with the details for a clear quote.

Which products do you use?

Quality sealants from brands including Arbo and Everbuild, chosen to suit the joint. We explain the product when we quote.

Do you seal gaps around fire door frames?

Yes. The joint between frame and wall is sealed with a fire-rated sealant following the tested details. The door leaf and its hardware need a door specialist.

Can I choose the sealant colour?

Most of the time, yes. We’ll explain which colours are available.

Where do you work from?

We work from Crawley. We cover Eastfields and the rest of Greater London, along with the rest of our area.

Do the sealants smell?

Possibly a little. It fades as the sealant cures, and ventilation helps.

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

Size, access and the old material all affect the cost. Call for a quick quote.

Workplaces and buildings in Eastfields

Commercial buildings in London often have strict access rules and limited loading, so out-of-hours working can be arranged where needed. Workplaces and the common parts of blocks of flats in England need a fire risk assessment under the Regulatory Reform (Fire Safety) Order 2005, and gaps around services are often picked up there. We work to the specification you are given, installing the product to its tested details.

If you look after a church, hall or community building such as St. Mark's Church, service openings in its walls need the right fire-rated sealant, as in any building. If you look after a building such as St Mark's Church of England Academy, fire-stopping around service openings should be restored whenever new services go in.

Eastfields is about 3 miles south-east of Wimbledon, in Greater London. Every kind of property in Eastfields can book us for fire rated sealant, old or new, large or small. The work is guaranteed for a year. Eastfields is one of 764 towns and villages in Greater London where we work for fire rated sealant. We also work in London, around 7 miles away.

Every address in CR4, SW16 and SW17 is covered for fire rated sealant. If you need fire rated sealant at a property on Bond Road, Hill Road and York Lane or anywhere close by, our applicators can take on the job. Neighbouring places we cover for fire rated sealant include Mitcham (1 mile south), Hackbridge (1 mile south), Colliers Wood (1 mile north-west), Furzedown (1 mile north) and Merton Abbey (1 mile west). Further out, we also cover London (7 miles north), City of Westminster (7 miles north), Marylebone (8 miles north), Kensington (7 miles north), St Pancras (8 miles north) and Shoreditch (9 miles north).

Local landmarks in Eastfields

Around Eastfields, our work takes us to homes and buildings near The White Lion of Mortimer pub, Figge's Marsh and Furzedown Secondary School. There’s a railway station in Eastfields itself: Mitcham Eastfields station. Nearby you’ll also find Centrale Croydon (3.1 miles south-east) and Wandle Industrial Museum (0.7 miles south-west). Not far away are Henman Hill and Oakleigh Way.

Map of Eastfields © OpenStreetMap contributors

Signs you need fire rated sealant in Eastfields

Many open fire-stopping gaps are made after the building is finished. Electricians, plumbers and data installers drill through walls and ceilings and the hole they leave does not always get resealed.

It’s worth asking for a quote if you see:

  • Open gaps behind door architraves
  • Sealant items on a fire risk assessment action list
  • Standard silicone or caulk in a fire-stopping gap
  • Gaps where walls meet ceilings or slabs

Eastfields is in London, so parking needs planning: let us know about parking bays, permits or a driveway.

Before you book anyone

  • How long to leave it before use
  • How the joint is cleaned and prepared
  • Who turns up on the day
  • How the colour is chosen

Choosing a sealant specialist

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