Brighton and Hove · England
Remedial Sealant in Stanmer
Removing failed, mouldy or leaking sealant and putting it right for homes and businesses in Stanmer and across Brighton and Hove. ARBOMaster approved applicators, fully insured, with a one-year guarantee.
- Beads that never stuck properly
- Decorators’ caulk around a bath or shower
- Smears and lumps from a botched reseal
Remedial sealant in Stanmer
With more than 20 years’ experience, our applicators have seen most of the ways sealant can fail. We are ARBOMaster approved and fully insured, and remedial work carries our one-year guarantee. Common call-outs are for movement joints that have split or pulled away and sealant applied over old sealant that has lifted, across failed movement joints, botched or over-sealed joints and shrunken worktop sealant.
Around Stanmer, it’s houses and cottages rather than flats. The work is the same as anywhere: everything old comes out before the new sealant or grout goes in.
We stand behind the work with a 12-month guarantee, so you’re not left on your own once the job is done.

- Location
- Stanmer (BN1)
- Wider area
- Brighton and Hove
- Guarantee
- 12 months on all our work
- Quotes
- A clear price before work begins
- Phone
- 0345 464 0079
- Last updated
- 26 October 2026
Stanmer: your questions answered
I let a flat near Falmer station. Can you help?
Yes, rental work is part of what we do. You can call 0345 464 0079 or email us with the address and a few details, and we will give you a fixed price before we start.
Can you do remedial sealant in Stanmer?
Yes. We work across London and the South East, and Stanmer is part of that. Just phone 0345 464 0079 or drop us an email with a few details of the job, and we’ll send you a clear quote.
Can you do several jobs on one visit?
Yes. Just list everything you need and we’ll quote it together.
How do I get a quote for remedial sealant in Stanmer?
It depends on the job, so we quote each one individually. To get one, phone 0345 464 0079 or email us and tell us what needs doing and where.
Can you match the sealant colour?
In most cases you can choose. We will tell you which colours the right product comes in.
Which products do you use?
The product depends on the job: sanitary silicone where it gets wet, and sealants suited to movement or weather elsewhere. Brands we use include Arbo and Everbuild.
Will there be a smell?
Some sealants have a smell while they cure. Opening a window helps.
Do you have insurance?
Yes. Mr Mastic is fully insured, with over 20 years’ experience in sealant work.
Also near Stanmer
What else we do in Stanmer
What the job involves on each surface
Windows & doors
Frames resealed over the top end up with hard, layered mastic. All of it is cut out and the frame and wall cleaned.
Leaking trays & enclosures
Where the joints are the problem, every bead is stripped and resealed with anti-fungal sanitary silicone, tray edges and screen profiles included.
Landlord and commercial work in Stanmer
We regularly work with letting and managing agents. Tell us the address, the job and how access works and we will give you a quote.
Businesses can book us for washrooms, kitchens, offices and more. For commercial premises, we can talk through working times when we quote.
What sealant work can’t fix
We won’t take on work that won’t last, so these are the limits:
- Water damage behind tiles that needs a tiler
- A leaking trap, valve or supply pipe
- Old mastic in a building from before 2000 that should be checked for asbestos before it’s disturbed
Not sure which it is? You can call 0345 464 0079 or send us an email and we will tell you honestly before you book.
Surfaces we seal
- Leaking tray & enclosure joints
- Mouldy bath & shower sealant
- Failed movement joints
- Expansion joints
- Shrunken worktop sealant
- Botched or over-sealed joints
How it works
We work through the job in order: protect, prepare, seal, tidy. Typically it takes a few hours for most joints, depending on how much old sealant has to come out, and the area is left clean. For a village or hamlet like Stanmer, the journey is planned in advance: tell us about narrow lanes, gates, long drives and where we can park. Everything for the job comes with us, so a second trip is avoided where possible.
- We protect the surfaces around the joint.
- The botched or failed sealant is cut away completely.
- The joint is degreased and checked for movement and leaks.
- Once dry, a suitable sealant is applied and tooled.
- You get the cure time and our view on why the joint failed.
Before we arrive
- For business premises, tell us about site rules or sign-in
- Tell us if parking is tricky
- Mention any tricky access
Getting a quote
A good description makes for an accurate quote. Tell us where the job is, what’s wrong and how much there is.
Advice
What happens if it’s left?
Stripping out botched sealant adds time to a reseal, but not by much: it takes a few hours for most joints, depending on how much old sealant has to come out. Compared with chasing the same leak every few months, it’s time well spent. Around Stanmer, older homes often have timber in their floors and frames, where water from a failed joint can cause rot if it’s left.
Some things make a job bigger or smaller: how much old sealant there is and how stubborn it is, any mould to treat, and whether the work is at height. Your quote takes all of that into account.
Why book with us
- White, clear, grey or another colour, product permitting
- Anti-fungal sanitary silicone in wet areas
- Trusted Arbo and Everbuild sealants
- We never seal over old sealant
Remedial sealant around Stanmer
Hard water is the norm across most of the South East, which leaves limescale on sealant, grout and fittings.
For site and facilities teams at buildings such as Coldean Primary School, washroom and kitchen sealant there needs the same care as at home, and schools and businesses are part of our work as well as homes. For landlords with property near Falmer station, a joint that keeps failing is best fixed properly while the property is empty. For an older house near a landmark such as Stanmer Church, older homes can move a little, which is hard on rigid grout and tired sealant.
Stanmer is about 3 miles north-east of Brighton, in Brighton and Hove. For remedial sealant in and around Stanmer, it’s easy to get a quote: please ring 0345 464 0079 or drop us an email. We cover Brighton and Hove from our Crawley base. Our Brighton and Hove coverage runs to 30 places, Stanmer among them.
Postcode districts we cover here for remedial sealant: BN1. We also cover Hollingbury (1 mile south-west), Moulsecoomb (2 miles south), Bevendean (2 miles south), Patcham (2 miles west) and Hollingdean (2 miles south-west). Larger places within reach include Brighton (3 miles south-west), Brighton and Hove (4 miles south-west), Hove (4 miles south-west), Carlton Hill (3 miles south), Hanover (3 miles south) and West Hill (3 miles south-west).
What’s near Stanmer
Around Stanmer, our work takes us to homes and buildings near Stanmer Park, University of Sussex Library and Brighton Aldridge Community Academy and the streets around them. The nearest railway station is Falmer station, about 0.8 miles south-east of the centre. Other landmarks nearby include Clayton Castle (3.4 miles north-west) and Churchill Square (3.7 miles south-west). Not far away are Ditchling Beacon and Ladies Mile.
Looking after it afterwards
No joint lasts for ever, but care makes a real difference. A few tips:
- Deal with small splits early
- Have loose fittings fixed before resealing
- Use a soft cloth, not a scourer, on silicone
- Get the cause of a repeat leak found before resealing
Give the new sealant its full cure time: normally around 24 hours, or as long as we advise.
Mould under a second layer of sealant keeps growing out of sight. When it finally shows, the whole bead needs to come out.
DIY versus a professional finish
The difference is mostly in the preparation and the product. Joints are cleaned back to sound surfaces and dried, and the sealant is matched to the joint and its conditions.
The biggest DIY mistake is sealing over old sealant. New silicone won’t bond to old, so it lifts and traps water and mould underneath. Everything old must be removed first.
