West Sussex · England
Fire-rated sealant in Westerton, West Sussex
Fire-stopping gaps in Westerton need attention? We remove the old material, prepare the joints and seal them properly.
- Ordinary sealant used where a fire-rated product was needed
- Open holes round services passing through fire walls
- Linear gaps at the head of walls
About our fire rated sealant in Westerton
In flats, HMOs, offices and schools, fire stopping is often disturbed by later work. One new cable or pipe can leave a gap that nobody goes back to seal. We seal them with a product tested for that kind of gap. We work on pipe & cable gaps, service penetrations and door frames, and the jobs we see most are gaps left after a refit or conversion and ordinary sealant used where a fire-rated product was needed.
If you have holiday lets, a converted barn used for business or a community building near Westerton, washroom and kitchen sealant and any fire-rated joints need the same attention as anywhere.
We guarantee the work for a year. If something isn’t right with it in that time, tell us and we will put it right.

- Location
- Westerton (PO18)
- Region
- West Sussex
- Cover
- One year on every job
- Price
- Quoted before any work starts
- Phone
- 0345 464 0079
- Page updated
- 26 October 2026
Surface by surface
Plasterboard walls
Service holes in plasterboard are often rough and oversized. Where a hole is bigger than the sealant’s tested range, it needs another approach and we will flag it.
Linear gaps
Head-of-wall gaps are often hidden above suspended ceilings. We work along the whole run so there are no open sections left.
DIY sealant or a professional job?
Too much sealant is as bad as too little. A thick, smeared bead looks untidy and does not move well, and the joint depth matters as much as the finish.
The difference is mostly in the preparation and the product. We take joints back to clean, dry surfaces, and the sealant is matched to the joint and its conditions, and the work is guaranteed for a year.
What we cannot put right
To be straight with you, there are a few things sealant won’t fix:
- Sign-off of the building, which sits with building control or your assessor
- Big openings where sealant alone isn’t the tested solution
- Fire risk assessments, which need a qualified assessor
Not sure which it is? You can ring 0345 464 0079 or email us and we’ll tell you honestly before you book.
Surfaces we seal
- Service penetrations
- Flats & HMOs
- Plasterboard & masonry
- Pipe & cable gaps
- Door frames
- Linear gaps
Also near Westerton
Also in Westerton
What happens if it’s left?
Items left open on a fire risk assessment tend to come back at the next review. Having them sealed and recorded now means you can show the action was taken. In a small place like Westerton, homes can be exposed to wind and rain, which finds any gap, and older walls, once damp, take a long time to dry.
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 work begins.
Why choose Mr Mastic in Westerton
- Any old sealant cut out fully, not covered over
- Experience in homes, commercial sites and hotels
- Anti-fungal silicone where joints get wet
- Quality sealants from Arbo and Everbuild
See our cost guide or our reviews.
Landlord and commercial work in Westerton
Landlords and letting agents in Westerton can book us as well as homeowners. Sealant work between tenants is a simple way to keep a property in good order before the next move-in.
Failed sealant is one of the commonest items on a check-out report, and it’s quick to put right between tenancies. We can quote for more than one property at once.
Westerton questions
Do you take on hotel work around Westerton?
Yes, we work for hotels as well as homes and businesses. A room-by-room programme keeps most rooms in use while the work goes on.
Do you work for landlords with property near Chichester station?
Yes, we work for landlords and letting agents. You can phone 0345 464 0079 or send us an email with the address and a few details, and we will give you a fixed price before work begins.
Do you seal gaps around fire door frames?
Yes, if the gap is within the product’s tested range. Our work is the gap around the frame and we will tell you if we spot problems with the door.
Is there any odour?
There can be a smell while the sealant cures. Ventilation helps.
Can you seal over the old sealant?
No. Fresh sealant doesn’t stick to old sealant, and it traps any mould or water underneath. We remove it all first.
How long does fire rated sealant take?
A typical job takes anything from a few hours to several days, depending on how many gaps there are, including the preparation. Your quote will say how long we expect yours to take.
What information do you need?
Let us know what needs doing and where, with pictures by email if possible. We will ask anything else we need to know.
How do I get a quote for fire rated sealant in Westerton?
Size, access and the old material all affect the cost. Ask us for a quote.
Aftercare tips
So the new joints stay in good condition:
- Get damaged fire seals looked at promptly
- Make resealing part of every contractor’s brief
- Include fire stopping when you schedule refits
- Take pictures of fire stopping before ceilings or boxing go back
Avoid covering a sealed gap with anything that is not part of the tested detail. If it needs repair, use the same type of product. We can tell you which product we used.
Open gaps don’t only matter in a fire: they also let noise, draughts and sometimes pests through. Dealing with them early helps with all of these.
Fire rated sealant around Westerton
There are hotels and other places to stay in and around Westerton. Hotel work can be planned room by room, with out-of-hours working 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 work to the specification you’re given, installing the product to its tested details.
For site and facilities teams at buildings such as The March CofE Primary School, service openings in fire-resisting walls need checking after any refurbishment. For buildings such as The Parish Church of St Peter, older buildings that have had new heating or wiring often have service gaps worth checking. Letting a property close to Chichester station? Then fire-rated sealant around pipes and cables through walls and floors needs making good whenever new services go through.
Westerton is about 2 miles north-east of Chichester, in West Sussex. Westerton gets the same service as everywhere we cover: the old material taken out, joints prepared properly and a 12-month guarantee. 371 places in West Sussex are on our list, from the larger towns to small villages. Portsmouth is on our list too, about 15 miles from Westerton.
Every address in PO18 is covered for fire rated sealant, from the main roads to the quietest streets. We also cover the places around Westerton: Strettington (1 mile east), Waterbeach (1 mile north-east), Maudlin (1 mile south), Westhampnett (1 mile south-west) and Shopwyke (1 mile south). We also work in nearby towns such as Worthing (15 miles east), Bognor Regis (5 miles south-east), Selsey (9 miles south), Littlehampton (10 miles east), Emsworth (8 miles west) and Rustington (11 miles east).
Local landmarks in Westerton
Typical jobs here are in homes near Chichester High School For Girls, Westbourne House School and The Coach And Horses Public House. For rail, the closest station is Chichester station, roughly 2.5 miles south-west. Well-known places in the area include Chichester Castle (2 miles south-west) and Chichester Centre (1.5 miles south-west). Open spaces near Westerton include Kingley Vale National Nature Reserve and Levin Down.
What happens on the day
We bring everything the job needs with us. Once we’ve agreed what’s being done, we protect the area and start. Most jobs take anything from a few hours to several days, depending on how many gaps there are. In a small place like Westerton, access is generally the main thing to plan. For outside work, also let us know about exposed walls and any outbuildings involved.
- We begin by agreeing the list of gaps from your assessor’s or designer’s requirements.
- We measure every gap and note what it’s in and what passes through.
- Unsuitable material such as ordinary foam or silicone is cut out and the faces cleaned.
- We fit backing where needed and apply the fire-rated sealant to depth.
- Every location is recorded with the product used for your records.
Getting ready for the visit
- Plan for the work area to be out of bounds to pets and children
- Tell us about any water getting in
- Mention any sign-in or site rules at work premises
Get a quote
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. When it suits you, call 0345 464 0079 or drop us an email.
