Portsmouth · England
Remedial Sealant in Southsea
Removing failed, mouldy or leaking sealant and putting it right for householders, landlords and businesses in Southsea. Fully insured, ARBOMaster approved and guaranteed for a year.
- Gaps opening along the back of the worktop
- Wide, uneven beads that look worse than the old ones
- Sealant that came away because the surface wasn’t prepared
Leave it or put it right?
A joint that has failed twice will fail again unless the cause is dealt with. Finding it, whether movement, water from elsewhere or an unsuitable product, ends the cycle. Around Southsea, failed sealant lets water into hidden places, such as under the floor, behind a panel or into a wall. Whatever the joint, failed sealant only gets worse.
Instead of a standard rate, we price the job in front of us: the amount of work, the old material and the access. The price is agreed before we begin.
What you get with us
- Homes, businesses and hotels
- Fully insured
- We agree the colour with you first
- Approved under the ARBOMaster scheme
Read how sealant jobs are priced or our reviews.
Remedial sealant in Southsea
Two decades of sealant work means we recognise most failures quickly. We’re ARBOMaster approved and fully insured, and remedial work carries our one-year guarantee. We work on failed movement joints, botched or over-sealed joints and leaking tray & enclosure joints, and common reasons people get in touch are decorators’ caulk around a bath or shower and kitchen joints letting water behind the worktop.
Homes around Southsea have been extended and refitted over the decades. A common problem is new sealant laid over old, which never bonds properly, so we take every joint back to clean before anything new goes in.
Big or small, it’s backed by our one-year guarantee in Southsea and across Portsmouth.
- Location
- Southsea (PO5, PO4, PO1)
- Region
- Portsmouth
- Cover
- 12 months on all our work
- Price
- A clear price before work begins
- Phone
- 0345 464 0079
- Updated
- 26 October 2026
Southsea homes and their sealant
Southsea is close to the coast. Coastal homes, holiday lets and guest houses can see heavy bathroom use in busy months, which wears sealant and grout out faster than in a quiet home. Southsea has hotels and guest accommodation nearby. As well as homes, we work in hotel bathrooms, where resealing and regrouting can be done room by room.
For landlords with property near Fratton station, failed or mouldy sealant is worth putting right between tenancies, before it turns into a leak. Schools such as Craneswater Junior School are buildings too, and we reseal washrooms and kitchens in schools and businesses as well as homes.
Southsea is about 2 miles south of Portsmouth, in Portsmouth. If you need remedial sealant in Southsea, please call 0345 464 0079 or email us for a quick quote. We’re based in Crawley and cover Portsmouth. Across Portsmouth, we cover 19 places, Southsea among them.
Here we cover the PO5, PO4 and PO1 postcode area for remedial sealant. Whether your property is on Bath Road, Liss Road and Beach Road or anywhere close by, our applicators can take on the job. Nearby, we also carry out remedial sealant in Milton (1 mile north-east), Fratton (1 mile north), Kingston (1 mile north), Landport (1 mile north-west) and Baffins (2 miles north). Within a short drive, we also cover Hilsea (3 miles north), Wymering (4 miles north), Paulsgrove (5 miles north), Cosham (4 miles north), Drayton (4 miles north) and Farlington (5 miles north).
Local landmarks in Southsea
In Southsea, that means homes and buildings near The Festing pub, St Edmund's Catholic School and Mayville High School, among other places. Southsea’s nearest station is Fratton station, about 0.8 miles north. A little further out are St. Mary's Hospital (1 mile north) and Southsea Castle (1 mile south-west). Open spaces near Southsea include Milton Locks.
What affects the cost of remedial sealant
The price is agreed before any work begins. It’s based on:
- Which sealant suits the joint
- The old material and how stubborn it is
- How much there is to do
- The number of rooms or windows
What you pay reflects the work, not a rough estimate. That is why we ask a few questions first and send you a clear quote before work begins.
Helping us quote
You don’t need to know the technical terms. Just tell us:
- Whether it’s a home or a business
- Whether it has been sealed before
- Roughly how big the job is
- Where the property is
For a quick quote, get us on the phone, or email us if that is easier. Describe what needs sealing and we’ll explain what’s involved.
For landlords and businesses
Housing providers, facilities teams and property managers book us too in Southsea and across Portsmouth. Several sites can be quoted together, and we are fully insured for the work.
Letting agents often deal with us directly. Send the address, what’s needed and the access arrangements and we will give you a quote.
How the job changes by surface
Worktops & kitchens
A loose worktop splits its sealant. That needs refixing before resealing, and we’ll tell you if we find it.
Mouldy bath & shower sealant
Mould that has grown into silicone does not clean out for good. The sealant is cut out completely, the joint treated with a mould remover and dried ahead of a new anti-fungal bead.
DIY sealant or a professional job?
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.
A DIY attempt does not rule out a professional job. We remove it and do the joint properly, so tell us about it when you ask for a quote.
What we do, step by step
Most of a good job is in the preparation, so that’s where we spend the time. Joints are cleaned back and dried before anything new goes in. All told, the work takes a few hours for most joints, depending on how much old sealant has to come out. In Southsea, parking is rarely complicated, though it helps to know about driveways or restrictions, and let us know if the work is upstairs, in a flat or up high outside.
- First we find out how and where the joint has failed.
- All the old sealant comes out, including any layers underneath.
- The joint is cleaned, treated for mould and left to dry.
- We use the right backing and sealant for any joint that moves.
- The new joint is tooled neatly and we explain anything else we found.
Before we arrive
- Let us know about stairs, lifts or work at height
- Clear the area around the work
- Mention any leaks or damp you’ve noticed
Getting a quote
The more we know about the job, the more useful the quote. Tell us where the job is, what’s wrong and how much there is.
Advice
Southsea questions
I let a flat near Fratton station. Can you help?
Yes, rental work is part of what we do. Just ring 0345 464 0079 or email us and tell us about the property, and we will give you a clear price.
Do you take on hotel work around Southsea?
Yes, we work for hotels as well as homes and businesses. Rooms can be done a few at a time, so the building stays open.
My shower still leaks after a reseal. Can you sort it?
Yes. There’s normally a reason: sealant over sealant, movement or another leak, and we deal with the cause first.
How do I get a quote for remedial sealant in Southsea?
There’s no set price, as it depends on the job: its size, the old material, access and the product needed. You’ll get a clear quote before any work starts.
Do you cover Southsea?
Yes, we do. Southsea is part of the area we cover.
How long will it take to strip and reseal the joint?
That depends on how many layers there are and how many joints. We’ll tell you before we start.
Do you offer different sealant colours?
We’ll suggest a colour to suit the surroundings, from white and clear to greys and other shades. The choice depends on the product the joint needs.
Will the old sealant be removed?
Always. Sealing over old sealant is the main reason resealing fails early, and it’s something we never do.
Towns and villages near Southsea
More services for Southsea
When to call us in Southsea
Joints that move need sealant that can stretch. Flexing baths, rocking trays and building movement joints will split a rigid or thin bead.
These are the problems we’re asked about most:
- Sealant peeling off a dusty or damp surface
- Sealant applied over old sealant that has lifted
- Worktop sealant that has shrunk and split
- Decorators’ caulk around a bath or shower
Homes close to St Margaret of Scotland include some older properties, and older homes can move a little, which is hard on rigid grout and tired sealant.
Before booking anyone
- Who does the work, and how experienced they are
- Whether you can choose the colour
- What insurance they hold
- What the cure time is