Hampshire · England
Overton Commercial Sealant
Sealant work for offices, hotels, washrooms and commercial buildings for homes and businesses in Overton and across Hampshire. Fully insured, ARBOMaster approved and guaranteed for a year.
- Failed floor-level joints in accessible wet rooms
- Washrooms that need sorting before an inspection
- Black, stained silicone in guest bathrooms
Commercial sealant in Overton
With over 20 years in sealant work, we’re a fully insured, ARBOMaster approved team. Tell us what paperwork your site needs, such as RAMS or insurance details, and we will confirm what we can supply with the quote. If you’re dealing with tired sealant in let properties and mouldy washroom sealant that staff and guests notice, we can put it right, on hotel bathrooms, retail & leisure sites and rental portfolios alike.
In a smaller place like Overton, commercial jobs tend to be smaller buildings: a pub, a surgery, a school, a shop or a few business units. Each needs the same care with its sealant as any larger building.
We guarantee the work for a year. If something isn’t right with it in that time, tell us and we’ll put it right.
- Where
- Overton (RG25)
- Wider area
- Hampshire
- Guarantee
- 12 months on all our work
- Quote
- A clear quote up front
- Call
- 0345 464 0079
- Updated
- 26 October 2026

When it is not the sealant
In fairness, some problems need a different trade:
- Certifying fire stopping or building compliance
- Water damage behind the tiles that needs a tiler or builder
- Water coming from plumbing rather than sealant
If in doubt, phone 0345 464 0079 or send us an email and we’ll say what we think.
Joints and surfaces we work on
- Hotel bathrooms
- Rental portfolios
- Retail & leisure sites
- Student & care accommodation
- Welfare facilities
- Office washrooms & kitchens
Nearby places to Overton
More services for Overton
Work for landlords, hotels and businesses
In hotels, rooms out of use cost money, so we plan the work room by room. Hotel work is part of what we do, alongside homes and businesses.
Mouldy or split sealant often shows up at the end of a tenancy. We can quote for more than one property at once.
DIY sealant or a professional job?
What a professional job adds is preparation and the right product. Joints are cleaned back to sound surfaces and dried, and the sealant is chosen for how the joint moves and where it is, then guaranteed for a year.
A DIY attempt doesn’t rule out a professional job. We remove it and do the joint properly, so tell us about it when you ask for a quote.
How the job changes by surface
Rental portfolios
Landlords and agents can have several properties resealed in one programme, with each one done when access suits.
Welfare facilities
Busy staff showers wear sealant out quickly. We reseal with anti-fungal sanitary silicone, accessible showers included.
What happens on the day
You don’t need to clear the whole room or building before we come, just the space around the work. Everything nearby is protected, and the work takes anything from a few hours to several days, depending on the number of rooms in most cases. For a job in Overton, we agree the time, the access and parking before the day. Outdoor jobs depend on a dry day, since sealant needs a dry surface.
- First we visit and agree the scope, the sequence and the working hours.
- Every area is sheeted and the old silicone stripped out.
- Joints are cleaned, treated for mould and dried.
- Anti-fungal sanitary silicone goes into wet areas, with suitable sealants elsewhere.
- Rooms are checked and returned with a cure time so staff know when to use them.
How to prepare
- Let us know about stairs, lifts or work at height
- Mention any parking rules near the property
- Keep children and pets away from the work area
Getting a quote
Getting a quote is simple: let us know the job and the location and its rough size. Photos by email help us understand the job, and we will come back to you with a quote.
Related advice
Overton questions
Is Overton in your area for commercial sealant?
Yes, Overton is within the area we cover. We work across London and the South East. Just call 0345 464 0079 or email us with a few details of the job, and we will give you a clear quote.
Is Overton within the area you cover?
Yes, Overton is covered. Our work covers London and the South East, from towns to the smallest places. The journey is planned ahead, so it helps to know about access.
Can I choose the sealant colour?
Most of the time, yes. We’ll tell you which colours the right product comes in and agree one before any work starts.
Do you take on large, multi-room jobs?
Yes. After a site walk, we agree the scope and sequence, and you get one clear quote.
Can you quote for more than one area?
Yes. Just list everything you need and we will quote it together.
Is it messy?
Very little: the area around the joints is protected first, and we clear up the old sealant and our materials before we leave.
How soon can a room be used after resealing?
Most areas can be used after around 24 hours. Each room is handed back with the cure time for the product used.
Do you guarantee commercial jobs?
Yes. Every job, domestic or commercial, carries our one-year guarantee.
Keeping the joints in good condition
Looking after new joints is easy, and it makes a real difference:
- Use mild cleaners on sealant, not bleach or abrasives
- Book larger programmes for quieter times of year
- Tell cleaning staff when each room can be used
- Include the silicone on your room checklists
Make it easy for staff to flag a failing joint. Catching one split early can save a leak later.
Mould in shared washrooms gets noticed and talked about. Left long enough, it spreads through the bead, so the fix is replacement.
Leave it or put it right?
Sealant is easy to forget until an audit or inspection is due. Booking it in good time leaves room for the cure time before the visit. In an older home around Overton, damp from a failed joint can get into timber and plaster, which is far harder to put right than the sealant itself.
Every job is a little different, so we quote each one individually. The number of joints, how easy they are to reach and the sealant needed all play a part.
Why choose Mr Mastic in Overton
- Rated 4.9 stars on Google
- Arbo and Everbuild products
- We never seal over old sealant
- Colour agreed with you before we start
Take a look at our cost guide and our reviews.
Workplaces and buildings in Overton
Most of the South East has hard water, which leaves limescale on sealant, grout and fittings, and it has to be cleaned off before new sealant goes in.
If you let a flat or house near Overton station, several rental properties can be resealed on one programme. Schools such as Overton Church of England Primary School are buildings too, and sealant in washrooms, kitchens and changing areas can be renewed around term times or opening hours. If you look after a church, hall or community building such as Church of St Mary, its kitchen and washroom sealant needs looking after like anywhere else.
Overton is about 7 miles west of Basingstoke, in Hampshire. Our applicators cover commercial sealant for homes and businesses in Overton and the surrounding area, as part of our work across Hampshire. Overton is one of 683 places in Hampshire where we work. Our Reading page covers work nearby (19 miles or so).
Our applicators cover all of RG25 for commercial sealant. Streets in the area include High Street, Station Road and London Road. We also cover the places around Overton: Southington (1 mile west), Quidhampton (1 mile north), Laverstoke (2 miles south-west), Freefolk (2 miles west) and Deane (2 miles east). Further out, we also cover Basingstoke (7 miles east), Winchester (13 miles south), Andover (10 miles west), Alton (14 miles south-east), Tadley (9 miles north-east) and Hook (14 miles east).
Near you in Overton
We work in homes and buildings around The Greyhound pub, among other places. For rail, the closest station is Overton station, roughly 0.8 miles north of the centre.
