Hampshire · England
Over Wallop Commercial Sealant
Our applicators work in Over Wallop on sealant work for offices, hotels, washrooms and commercial buildings. Old material cut out, joints cleaned and sealed neatly and a one-year guarantee.
- Too many rooms to reseal without closing the building
- Tired sealant ahead of a health and safety audit
- Washroom sealant that looks dirty however often it’s cleaned
Commercial sealant for homes and businesses in Over Wallop
We fit the work around your building. We can work room by room, floor by floor or in batches, and early starts or out-of-hours working can be arranged where it helps. If you have silicone laid over old silicone by a previous contractor and washroom sealant that looks dirty however often it’s cleaned, we can help, on welfare facilities, hotel bathrooms and retail & leisure sites alike.
For a small place like Over Wallop, the journey and timings are agreed in advance, so it can be fitted around guests, clients or events where possible.
All of our work is guaranteed for twelve months, in Over Wallop and everywhere else we cover.
- Where
- Over Wallop (SO20)
- Region
- Hampshire
- Cover
- A year, on every job
- Price
- Quoted before any work starts
- Phone
- 0345 464 0079
- Last updated
- 26 October 2026
Over Wallop questions
Can you do commercial sealant in Over Wallop?
Yes, Over Wallop is within the area we cover. We work across London and the South East. Just call 0345 464 0079 or drop us an email with a few details of the job, and we’ll give you a clear quote.
Can you help a landlord with a rental near Grateley station?
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 quote.
What does commercial sealant cost?
Size, access and the old material all affect the cost. Call for a quick quote and we will talk you through it.
Does someone need to be in?
Access is agreed with you when the job is booked. For inside work, that normally means someone being in.
How long will you be here?
Most jobs take a morning for a small washroom, and a planned programme for bigger sites, including the preparation. Your quote will say how long we expect yours to take.
Can you work outside opening hours?
That can be arranged for many jobs. The hours are agreed before work starts.
Where is Mr Mastic based?
Mr Mastic is based in Crawley. Our applicators cover Over Wallop.
Should I try DIY first?
You can, for simple jobs. Preparation is everything: all the old sealant out, and a clean, dry joint. We can always put it right if it fails.
Workplaces and buildings in Over Wallop
Most of the South East has hard water, which leaves limescale on sealant, grout and fittings.
For site and facilities teams at buildings such as Wallop Primary School, busy washrooms and kitchens can be resealed in phases so they stay open. Letting a property close to Grateley station? Then several rental properties can be resealed on one programme.
Over Wallop is about 7 miles south-west of Andover, in Hampshire. Over Wallop gets the same service as everywhere we cover: the old material taken out, joints prepared properly and a 12-month guarantee. Over Wallop is one of 683 places in Hampshire we cover. There’s also a page for Southampton, roughly 18 miles from Over Wallop.
Work in SO20 is quoted and booked the same way as anywhere else. You will find streets such as Station Road, King Lane and King Lane Cottages, and we cover them all. We also cover Middle Wallop (1 mile south-east), Kentsboro (2 miles north-east), Nether Wallop (2 miles south-east), Fox (3 miles north) and Amport (4 miles north). Larger places within reach include Winchester (13 miles south-east), Andover (7 miles north-east), Chandler's Ford (14 miles south-east), Romsey (12 miles south-east), Hyde (13 miles south-east) and Tidworth (7 miles north-west).
What’s near Over Wallop
We work in homes and buildings around The White Hart Inn, among other places. The nearest railway station is Grateley station, about 2 miles north-west of the centre. Not far away are Winterbourne Downs RSPB reserve and Quarley Hill.
What we are called out for in Over Wallop
Shower trays and baths in busy buildings move more: people of all sizes, daily cleaning and constant loading all work at the joint. A tray that is not fully supported soon tears its seal.
The problems people normally mention when they call are:
- Joints that need doing before an inspection or audit
- Silicone laid over old silicone by a previous contractor
- Rental bathrooms that need resealing between tenants
- Washroom sealant that looks dirty however often it’s cleaned
If you look after a church, hall or community building such as Church of St Peter, its kitchen and washroom sealant needs looking after like anywhere else.
Comparing quotes
- How the joint is cleaned and prepared
- Which sealant they’ll use, and why
- How hidden problems are handled
- Whether you can choose the colour
What happens if it’s left?
Patching the worst rooms as complaints come in is hard to manage. A planned programme works through every room, with less disruption and one clear quote. Older cottages and farmhouses around Over Wallop can have timber floors and frames, where water from a failed joint can cause rot if it’s left.
A few things move the cost up or down: how much old sealant there is and how stubborn it is, whether mould needs treating, and whether the work is at height. We take all of that into account in your quote.
Why choose Mr Mastic in Over Wallop
- Tidy, careful work
- We are fully insured
- A sealant colour to suit the surroundings
- We never seal over old sealant
Take a look at how sealant jobs are priced and our reviews.
What we cannot put right
A few problems are outside what sealant work can do:
- A shower tray, bath or basin that’s cracked or broken
- Faulty shower valves and leaking traps
- Fire risk assessments or certification
If you’re not sure, just call 0345 464 0079 or email us and we’ll give you a straight answer before booking.
Surfaces we seal
- Welfare facilities
- Student & care accommodation
- Rental portfolios
- Retail & leisure sites
- Office washrooms & kitchens
- Hotel bathrooms
What happens on the day
We bring everything the job needs with us, so you don’t need to buy or prepare anything. After a quick look at the joints together, the area is protected and the work begins. It normally takes a few hours per area, with larger sites planned over several visits. Somewhere like Over Wallop needs a little journey planning: tell us about narrow lanes, gates, long drives and where we can park. We bring what the job needs, so it can be finished in one trip where possible.
- The first visit is a look round the site to agree the scope.
- Working hours are agreed, including early starts or out-of-hours work where it can be arranged.
- Areas are protected and the failed sealant removed.
- Once dry, every joint is resealed and tooled.
- We let your team know the cure time for every area.
How to prepare
- Keep pets and children clear of the area while we work
- For business premises, tell us about site rules or sign-in
- Tell us about any water getting in
Ask for a quote
There’s no standard price list, because every job is different. Instead, your job gets its own clear quote. To arrange one, ring 0345 464 0079 or send us an email.
Related advice
What affects the quote in Over Wallop
Every job gets its own quote. These are the things that affect it:
- The size of the job
- Working hours on commercial sites
- How many areas need sealing
- Whether the work is at height
Doing several joints on one visit is generally more efficient than separate visits, so it’s worth mentioning everything you’d like done. You will get one clear quote for the whole job.
What to tell us for a quote
To make quoting easier, please include:
- If someone has resealed it before
- Where the job is, and your postcode
- Any access issues, like height or stairs
- Whether it’s a home or a business
To get a quote, call 0345 464 0079 or send us an email and tell us where the job is and what the problem looks like. You will have a clear quote before work begins.
Keeping the joints in good condition
So the new joints stay in good condition:
- Book larger programmes for quieter times of year
- Encourage users to squeegee shower walls
- Give housekeeping the cure time for every room
- Include the silicone on your room checklists
Daily cleaning with harsh chemicals shortens the life of any sealant. A mild cleaner and a soft cloth is enough for the joints.
It’s easier to plan a programme than to react to failures. We can fit the work around bookings, shifts and opening hours, instead of rooms closing without warning.
Also near Over Wallop
Other services in Over Wallop
Can I do it myself?
The biggest DIY mistake is sealing over old sealant. Silicone doesn’t stick to old silicone, so it lifts and traps water and mould underneath. All the old material has to come out first.
What a professional job adds is preparation and the right product. We take joints back to clean, dry surfaces, and the sealant is matched to the joint and its conditions.