Wandsworth fire stopping
Fire-rated and intumescent sealing of service penetrations and linear gaps in Wandsworth and across Greater London. CHAS accredited and fully insured, with a 12-month guarantee.
- Head-of-wall gaps with no fire seal
- Builders’ foam or ordinary silicone in compartment walls
- Penetration schedules that need working through
Fire stopping near Wandsworth
Share the site address and what’s failing, and we’ll reply with a fixed quote or arrange a visit.
Fire stopping in Wandsworth
Opened ceilings and riser doors often reveal service openings nobody sealed. If a specification already covers those walls and floors, we can reseal to it using the product and detail it sets out. With no specification in place, the first step sits with your designer or fire engineer, not with us. We work on small duct penetrations where the tested detail allows, joints between fire-resisting walls and floors and cable penetrations, and the usual reasons a site gets in touch are seals disturbed by maintenance and left open and old intumescent sealant that has split away. Sealant applicators who only do sealant are a different proposition from a general trade with a gun in the van: in Wandsworth, that means joint design, primers and backing rod as standard.
Fit-outs and M&E works in London buildings often leave service penetrations open behind ceilings and in risers. Fire-rated sealant goes in where it’s the specified item; where a collar, wrap or batt is called for instead, we flag it.
Work we carry out in Greater London comes with a 12-month guarantee. Should something we installed fail, call the office on 01277 525 020 or email us and we’ll come back to it.
- Where
- Wandsworth (SW18, SW15, SW11)
- Wider area
- Greater London
- Cover
- A 12-month guarantee
- Quote
- Quoted before any work starts
- Phone
- 01277 525 020
- Page updated
- 3 November 2026
Signs you need fire stopping in Wandsworth
Damage plays a part too. Maintenance work can knock a seal, cut it back for an extra cable or remove it with an old pipe.
Site and facilities staff are often the first to spot these:
- Unsealed joints where partitions meet the slab
- Damaged fire seals in risers and voids
- Unsealed openings around new pipes and cables
- Penetration schedules that need working through
Offices at parks like Chartwell Business Park, 0.5 miles to the north of Wandsworth, are re-cabled with each new tenant, and compartment walls need sealing afterwards to the tested detail.
What to look for in a quote
- Who will actually carry out the work
- How joint depth will be controlled
- What level of public liability insurance do they hold?
- What site paperwork they can supply
Why deal with it now?
It is cheaper to seal service penetrations as each services package finishes than to come back for them later. Openings are visible, access is open and nothing has to be taken down, and the right detail can be checked at the time. Repeat call-outs disrupt occupied London buildings, so cutting the old sealant out fully and doing it right once is the better route.
Whether it’s a single area or a whole estate, the same things set the price: scope, access, product and programme. Call for a quote, and you’ll have a fixed figure to work with.
Why us?
- CSCS-carded applicators
- Failed material removed, not covered up
- Commercial sealant work since 2005
- Health and safety: CHAS accredited
Take a look at our cost guide and how we’re accredited.
When something else is needed
Before quoting, we check that sealant is the right answer. It isn’t the answer for:
- Signing off or certifying a building’s fire stopping
- Large openings beyond what any sealant detail covers
- Fire risk assessments, a job for a competent assessor
If in doubt, phone 01277 525 020 or use the quote form and we will say what we think.
Surfaces we seal
- Pipe penetrations
- Linear gaps at wall heads
- Cable penetrations
- Service gaps in risers
- Small duct penetrations where the tested detail allows
- Joints between fire-resisting walls and floors
Wandsworth: questions and answers
Can you work in a care home near Wandsworth with residents in?
Yes. We agree rooms and times with the manager and work a few areas at a time. Any site rules, from signing in to infection control, are agreed before we start.
Is a hospital such as Royal Hospital for Neuro-Disability somewhere you can work?
Yes, hospitals are one of the sectors we cover. Before anything starts, the estates team agrees permits, inductions and infection-control measures with us.
Is your workmanship covered by a guarantee?
Yes. Our workmanship is backed for 12 months.
Will you quote for a small job?
Single areas, one-off repairs and whole buildings are all quoted the same way: details, then a fixed price, then sealing, then a 12-month guarantee.
Is colour matching possible?
Often, yes. Many products come in a range of standard colours, and matching to RAL references or surrounding finishes is often possible. We’ll confirm the colours available for the specified product.
Are you fully insured?
Yes. Our insurance certificate can be sent alongside the quote.
How many days will you need on site?
It depends on the scope, but the work usually takes longer where risers, ceiling voids or occupied floors have to be worked through in sequence. For bigger or phased jobs, we will set out a timescale with the quote.
Should maintenance staff do it?
For a quick touch-up, site staff may be fine, but larger jobs are different: a specialist works through quantities efficiently, leaves a consistent finish and backs it with a 12-month guarantee.
Some joints are best left to specialists: for example fire-rated seals that must match a tested detail, trafficked floor joints and external movement joints. Getting these wrong normally costs more in the end than doing them right.
Places near Wandsworth
What else we do in Wandsworth
Our process
When we get to site, we report to your site contact and complete whatever induction the building runs. Floors, finishes and fittings next to the joints are covered before any cutting starts, with the work itself typically taking a single visit for a short list of penetrations, or a phased programme for a whole building. The ULEZ covers the whole of Greater London, and parking near a job is rarely simple. Let us know about any on-site parking or loading arrangements when you send the job details.
- We start with your penetration schedule, drawings or specification.
- We plan the sequence of floors, risers and voids with you.
- We compare every service penetration with its tested detail before sealing.
- Unsuitable material is removed and the opening cleaned first.
- Backing and fire-rated sealant are installed to the detail and tooled.
- We tell you about openings that need a different product.
Before we start on site
- Let building users know which areas are affected
- Point out any areas we must not close
- Share the asbestos register for older buildings
Getting a fixed quote
Let us know the site, the scope and your timescale, and we’ll put a fixed quote together. To get it moving, speak to us on 01277 525 020 or send photos by email.
Related advice
For managing agents and facilities managers
FMs need a contractor who is easy to get on site. Tell us what site paperwork you need, such as RAMS, an insurance certificate or CSCS details, and we’ll confirm with the quote.
If you look after buildings for someone else, clear figures and clear communication matter. You get a fixed quote, an agreed scope and a walk round at the end, plus a 12-month guarantee.
Compartment walls and floors in Wandsworth
In London buildings, frequent fit-outs and M&E changes are a common reason fire stopping gets breached. We seal to the specification and the product’s tested detail, working within the building’s permits. Wandsworth has three care or nursing homes no more than 2 miles away. In a care home, any new pipe or cable through a fire-resisting wall should be sealed to the specified detail. Where that’s fire-rated sealant, we install it to the manufacturer’s tested detail.
Residences at universities like BIMM University (1.7 miles north of Wandsworth) have compartment walls that must be resealed whenever services change. At a college such as South Thames College Wandsworth Campus, which lies north-east of Wandsworth, checking penetration seals after summer M&E works is good practice.
Wandsworth is about 3 miles south-west of Brompton, in Greater London. Our applicators travel to Wandsworth for work on service penetrations, handled exactly as we handle every other area. 764 places across Greater London fall within our area, including Wandsworth.
We cover the SW18, SW15 and SW11 postcode districts. If your site is on Alma Road, Marl Road and Knoll Road or close by, we can quote for service penetrations. Sites close to Wandsworth are covered too, including Southfields (1 mile south), Earlsfield (1 mile south), Hurlingham (1 mile north), Clapham Junction (1 mile north-east) and Battersea (1 mile north-east). A short drive away, we cover London (5 miles north-east), City of Westminster (4 miles north), Marylebone (5 miles north-east), Kensington (3 miles north), St Pancras (6 miles north-east) and Shoreditch (7 miles north-east).
Landmarks near Wandsworth
In Wandsworth, that means premises near Ashcroft Technology Academy, Emanuel School and Spread Eagle pub, among other places. Wandsworth has its own railway station: Wandsworth Town station. Nearby you’ll also find Southside Wandsworth (under half a mile west) and Antique Breadboard Museum (1.4 miles north-west). Green spaces nearby include Battersea Park Lake and Henman Hill.