Hampshire · England
Fire-rated sealant in Whiteley, Hampshire
Intumescent and fire-rated sealant around gaps, frames and service penetrations in Whiteley, with a 12-month guarantee on every job. Ask us for a quote.
- Gaps left after a refit or conversion
- Unsealed gaps where pipes and cables go through a wall
- Cracked or shrunken fire-rated sealant
Fire rated sealant in Whiteley, done properly
We can work through a building room by room or floor by floor, with each location and product recorded. It gives you a list to keep with the building’s fire safety documents. Common call-outs are for open gaps behind door architraves and cracked or shrunken fire-rated sealant, on plasterboard & masonry, pipe & cable gaps and service penetrations.
If you run a pub, café, guest house or shop in or near Whiteley, the washrooms and kitchen need the same attention as a big site, and fire-rated sealant around service openings should be restored after new pipes or cables go through.
Whatever the size of the job, it’s backed by our one-year guarantee in Whiteley and across Hampshire.
- Where
- Whiteley (PO15)
- Wider area
- Hampshire
- Cover
- One year on every job
- Quotes
- Quoted before any work starts
- Telephone
- 0345 464 0079
- Updated
- 26 October 2026

Why act early in Whiteley
Fire-rated sealants are less forgiving than ordinary ones. Depth, backing and surface preparation all affect how a seal performs, so we follow the maker’s details on every gap. Around Whiteley, water from a failed joint in an older home can soak into timber and plaster, and that is a much bigger job than renewing the sealant.
The cost reflects the work involved, not a rough estimate. That is why we ask a few questions first and give you a clear price before any work starts.
Why choose Mr Mastic in Whiteley
- 180+ five-star Google reviews
- Sanitary silicone with an anti-fungal additive in wet areas
- Experience in homes, commercial sites and hotels
- Quality sealants from Arbo and Everbuild
Take a look at how sealant jobs are priced and what customers say.
Do you need fire rated sealant in Whiteley?
In some buildings the gap was filled with the wrong thing in the first place: ordinary expanding foam, standard silicone or decorators’ caulk where a fire-rated seal was needed. It looks sealed, but it is not fire-rated.
Signs it’s time to call us include:
- Holes left by a change of layout
- Open joints along the top of partitions
- Door frames with gaps between frame and wall
- Cracked or shrunken fire-rated sealant
If you let a flat or house near Swanwick station, fire-rated sealant around pipes and cables through walls and floors needs making good whenever new services go through.
What your quote should include
- How the colour is chosen
- How long the guarantee is
- How much experience the applicator has
- What the quote includes, VAT included or not
Also near Whiteley
What else we do in Whiteley
Landlord and commercial work in Whiteley
Hotels need rooms back in use, so the work can be planned room by room around your bookings where we can. Hotel work is part of what we do, alongside homes and businesses.
Water getting past a failed joint can damage the building, which matters even more when someone else lives there. Keeping joints in good order is simple maintenance that we can handle for you.
How it works
On the day, we look over the joints with you first, so you know exactly what we are doing. We protect the surfaces around the joints before any work begins. The work normally takes from a few hours to a few days, depending on the number of gaps and the access. Parking around Whiteley is generally easier than in a town centre, but mention any lanes, gates or long drives. For outside work, side access and the height of the joints help us plan.
- Access to each area is agreed so the work can run in order.
- We take out any damaged or unsuitable sealant.
- Dust and loose debris are cleaned from each gap.
- The fire-rated or intumescent sealant is applied and tooled to the tested detail.
- We record what was done and flag anything that needs a different system.
Preparing for the visit
- Let us know about stairs, lifts or work at height
- Let us know about earlier repairs to the joints
- Mention any leaks or damp you’ve noticed
Ask for a quote
We don’t publish a price list. Instead, we give you a clear quote for your job. To get started, ring 0345 464 0079 or send us an email.
Advice
Fire rated sealant around Whiteley
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.
For site and facilities teams at buildings such as Whiteley Primary School, service openings in fire-resisting walls need checking after any refurbishment. If you look after a church, hall or community building such as St Margaret Mary, service openings in its walls need the right fire-rated sealant, as in any building.
Whiteley is about 3 miles south-east of Hedge End, in Hampshire. We provide fire rated sealant to homes and businesses in Whiteley and the surrounding area. Our Hampshire coverage runs to 683 places, Whiteley among them. We also work in Southampton, around 6 miles away.
Jobs for fire rated sealant in PO15 is quoted and booked the same way as anywhere else. Whether your property is on Oak Coppice Road, Thyme Avenue and Christie Avenue or anywhere close by, our applicators can take on the job. If you are just outside Whiteley, we cover Burridge (1 mile north-west), Park Gate (1 mile south-west), Segensworth (1 mile south), Sarisbury (1 mile south-west) and Swanwick (1 mile west). Further out, we also cover Winchester (12 miles north), Gosport (7 miles south-east), Havant (12 miles east), Eastleigh (7 miles north-west), Fareham (3 miles south-east) and Horndean (11 miles east).
Around Whiteley
In Whiteley, that means homes and buildings near Brookfield Community School and Language College, among other places. The closest station to Whiteley is Swanwick station, about 0.8 miles south-west of the centre. Nearby you will also find St Andrew's Castle (3.5 miles south-west) and Fareham Community Hospital (1.4 miles south-west). For a walk, there’s Swanwick Lakes.
When something else is needed
In fairness, there are a few things sealant won’t fix:
- A wall that isn’t a fire-resisting element to begin with
- Deciding what fire stopping a building needs
- Big openings where sealant alone isn’t the tested solution
If in doubt, ring 0345 464 0079 or email us and we will say what we think.
Surfaces we seal
- Flats & HMOs
- Door frames
- Linear gaps
- Plasterboard & masonry
- Service penetrations
- Pipe & cable gaps
Quotes for fire rated sealant in Whiteley
Call for a quick quote. The main things that affect it are:
- Whether old sealant or filler has to be cut out
- How many areas need sealing
- The product the joint needs
- How easy the joints are to reach
Instead of a standard rate, we look at what your job involves: how many joints, what’s in them now and how we reach them. You’ll know the price before we begin.
Helping us quote
Photos by email are helpful but not essential. Please mention:
- Where the job is, and your postcode
- What’s wrong with the joints now
- The type of property
- Access, such as stairs, a lift or height
We quote each job on its own, so start by telling us what you need. Simply ring 0345 464 0079 or send us an email and describe the job, and photos are welcome.
How the job changes by surface
Flats and HMOs
In occupied buildings, we plan the order of work with you. Access to flats and common areas is agreed in advance.
Service penetrations
Different services need different details: metal pipes, cables and plastic pipes aren’t treated the same. We follow the manufacturer’s tested detail for each, and tell you if sealant alone isn’t the right fix.
FAQs for Whiteley
Do you work for landlords with property near Swanwick station?
Yes. We work for landlords and letting agents as well as householders, and several properties can go on one quote. You can call 0345 464 0079 or email us with the details for a clear quote.
Do you cover smaller places like Whiteley?
Yes, we do. We work across London and the South East, and smaller places are part of that. The journey is planned ahead, so it helps to know about access.
Are you ARBOMaster approved?
Yes. Mr Mastic is an ARBOMaster approved applicator.
Can you tell me which gaps need fire stopping?
No. Your fire risk assessor, designer or building control decides that. Our job is applying the sealant to their specification.
Do you have insurance?
Yes. We are fully insured for domestic and commercial work.
Where are you based?
Mr Mastic is based in Crawley. Our applicators cover Whiteley.
Do I have to be there?
That depends on where the joints are. For work indoors, someone needs to let us in.
Can I use normal mastic around a pipe through a fire wall?
No. Where a fire-rated seal is needed, it has to be a product tested for that use fitted to the maker’s details.
