Greater London · England

Fire-rated sealant in South Street, Greater London

Fire rated sealant for South Street, by sealant specialists with 20+ years’ experience. 180+ five-star Google reviews and a 4.9 rating.

  • Gaps filled with a product that is not fire-rated
  • Gaps around pipes and cables through fire-resisting walls
  • Damaged fire sealant left by other trades

Need fire rated sealant in South Street?

Should I try it myself first?

Some sealant jobs are within reach of a careful DIYer, such as a straightforward joint indoors. Where it goes wrong is sealing over the old bead, working on a wet joint or overloading the gap.

Overfilling a joint is a classic DIY mistake. A heavy bead looks messy and copes badly with movement, and the joint depth matters as much as the finish.

Fire rated sealant for homes and businesses in South Street

We can work through a building room by room or floor by floor, with each location and product recorded. That record is useful for your files and for whoever looks at the building next. If you have door frames with gaps between frame and wall and joints picked up in a fire-stopping survey, we can help.

London blocks of flats carry pipes and cables through walls and floors in their common parts and service risers. For managing agents and building owners in South Street, that can mean fire-rated sealant around service openings as well as resealing in shared washrooms and kitchens.

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

Place
South Street (TN16)
Wider area
Greater London
Guarantee
One year on every job
Quotes
A clear quote up front
Phone
0345 464 0079
Last updated
26 October 2026
Mr Mastic applicators lined up beside the company vans, one holding a sealant gun

Quotes for fire rated sealant in South Street

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

  • Whether there’s mould to deal with
  • How many rooms, windows or areas are involved
  • Access and height
  • The size of the job

What you pay reflects the work, not a rough estimate. That is why we ask a few questions first and give you a clear price before work begins.

Helping us quote

What to tell us when you ask for a quote:

  • If it’s domestic, commercial or a hotel
  • If someone has resealed it before
  • A few photos by email, if you can
  • The rough size of the job

Quotes start with a quick conversation. Describe the problem, the location and the size of the job, and we’ll explain how we’d tackle it. Whenever you are ready, ring 0345 464 0079 or email us.

Landlord and commercial work in South Street

From a single let to a portfolio, the work is the same standard: the old material taken out, careful preparation and a 12-month guarantee.

For anyone letting property in or around South Street, jobs at different addresses can go on one quote. Just tell us the addresses and what each one needs.

How to look after the new joints

Simple care keeps the joints in good condition. We recommend:

  • Keep pictures of seals that will be hidden
  • Flag any open gap you spot round a pipe or cable
  • Include fire stopping when you schedule refits
  • Check whether a sealant can be painted before decorating over it

Any fire seal that’s cut or drilled needs resealing to its tested detail. New services through a sealed wall should include fire stopping in the plan.

A gap left open in a fire-resisting wall or floor lets smoke spread in ways the building wasn’t designed for. Sealing it early is a simple step to take.

FAQs for South Street

Do you work for landlords with property near Oxted station?

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

Can you do fire rated sealant in South Street?

Yes. Our work covers London and the South East, and South Street is part of that. You can phone 0345 464 0079 or drop us an email and tell us what needs doing, and we’ll send you a clear quote.

Will you leave a mess?

Tidy work is part of the job. We protect what’s around the joints, and the area is left clean when we finish.

What information do you need?

Just the basics: where it is, what you’ve noticed and how we reach it. Then phone 0345 464 0079 or drop us an email.

Do you guarantee your work?

Yes. Every job comes with our 12-month guarantee.

Can you tell me which gaps need fire stopping?

No. We follow the requirements from your assessor, designer or building control, and apply each product to its tested details.

Do you do fire sealant around door frames?

Yes. We often seal open gaps hidden behind the architrave. Doors, seals and closers need a door specialist.

Do you remove the old sealant?

Yes. All of the old material is cut out and the joint cleaned before applying anything new.

How it works

We keep the work tidy and contained to the area we are working on, so you can carry on as normal. Expect the work to take anything from a few hours to several days, depending on how many gaps there are, and we tell you how long to leave it before we go. In South Street, flats, stairs and shared entrances are part of the routine. Mention any building rules, key holders or managing agents when you book.

  1. We plan the order of work and access, floor by floor or flat by flat.
  2. We take out any damaged or unsuitable sealant.
  3. Gaps are cleaned of dust and loose material.
  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

  • Keep children and pets away from the work area
  • Tell us if parking is tricky
  • Mention if the joints have been sealed before

Get a quote

For a quote, call 0345 464 0079 or email us and tell us where the job is and what the problem looks like. We will send you a clear quote before any work starts.

Get a price

Related advice

Surface by surface

Door frames

Frame gaps are generally hidden behind the architrave. We seal any open gap to the product’s tested details so the architrave can be refitted.

Masonry and concrete

Holes through concrete and block are rarely neat. We check the gap size around the service against the product’s tested range.

What we can’t put right

Before booking, it’s worth knowing the limits too:

  • Problems with the door itself rather than the gap around the frame
  • Openings too large for sealant, which need batts, boards or another system
  • Deciding what fire stopping a building needs

If in doubt, ring 0345 464 0079 or email us and we’ll say what we think before you book.

Surfaces we seal

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

Fire rated sealant in South Street: local notes

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, which is often where open fire-stopping gaps are first noticed. We apply fire-rated sealant to the assessor’s or designer’s specification and the product’s tested details.

If you look after a building such as Charles Darwin School, gaps opened by contractors for new cabling are a common finding in schools and offices. For buildings such as Church of St Mary the Virgin, older buildings that have had new heating or wiring often have service gaps worth checking. For landlords with property near Oxted station, new cables or pipes through a fire-resisting wall leave a gap that needs the right sealant.

South Street is about 4 miles north-east of Oxted, in Greater London. Every kind of property in South Street can book us for fire rated sealant, old or new, large or small. The work is guaranteed for a year. Our Greater London coverage runs to 764 places, South Street among them. For nearby work, see our London page.

Jobs for fire rated sealant in TN16 works the same way as everywhere else we cover. Close by, we work in Tatsfield (1 mile west), Force Green (2 miles south-east), Titsey (2 miles south-west), Westerham (2 miles south-east) and Moorhouse Bank (3 miles south). Further out, we also cover London (15 miles north-west), Stockwell (14 miles north-west), Orpington (6 miles north), Wimbledon (14 miles north-west), Kennington (15 miles north-west) and New Cross (13 miles north).

Landmarks near South Street

The closest station to South Street is Oxted station, roughly 3.7 miles south-west. Well-known places in the area include Tandridge Priory (3.2 miles south). Open spaces near South Street include West Kent Golf Course nature reserve and Betsom's Hill.

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