Portsmouth · England
Commercial Sealant in Baffins
Commercial sealant in Baffins from a team with over 20 years’ experience. Rated 4.9 on Google from 180+ five-star reviews.
- Failed floor-level joints in accessible wet rooms
- Washroom sealant that looks dirty however often it’s cleaned
- Tired sealant ahead of a health and safety audit
Can I do it myself?
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. All the old material has to come out first.
Some jobs are best left to a professional: work at height, external movement joints, fire-rated sealant and large areas call for the right materials, safe access and experience.
Commercial sealant in Baffins, done properly
In showers and washrooms we use anti-fungal sanitary silicone, with a food-safe sealant by kitchen sinks where needed. Products include Arbo and Everbuild sealants, applied by ARBOMaster approved applicators. We’re often asked to deal with too many rooms to reseal without closing the building and tired sealant ahead of a health and safety audit, on office washrooms & kitchens, hotel bathrooms and retail & leisure sites.
Community buildings, schools and small businesses around places like Baffins have washrooms and kitchens that see a lot of use. Their sealant and fire-rated joints are as important as those in any bigger building.
The work is covered for a year after we finish. If anything isn’t right with it, call 0345 464 0079 or email us.

- Place
- Baffins (PO3, PO4, PO2)
- Region
- Portsmouth
- Cover
- 12 months on all our work
- Price
- A clear price before we start
- Phone
- 0345 464 0079
- Last updated
- 26 October 2026
Why deal with it now?
In a building with rooms above rooms, a failed shower seal can soon show on a ceiling below. Then two rooms are out of action, not one. A reseal now avoids that. In a smaller place like Baffins, wherever a wall is exposed, a failed outside joint is a real source of damp. Indoors, a failed seal lets water into floors and panels as it would anywhere.
No two jobs are quite the same, so each one gets its own quote. Size, access and the product the joint needs all make a difference.
Why choose Mr Mastic in Baffins
- Anti-fungal sanitary silicone in wet areas
- One-year guarantee on every job
- Fully insured
- Trusted Arbo and Everbuild sealants
The process
On the day, we look over the joints with you first, so you know exactly what we’re doing. Surfaces next to the work are protected before any work begins. The work usually takes as long as the scope needs, from one welfare room to a full building. A visit to Baffins is planned like any other: the time, the access and where to park are agreed in advance. Outdoor jobs depend on a dry day, since sealant needs a dry surface.
- The first visit is a look round the site to agree the scope.
- We agree when we’ll work, with early or out-of-hours slots where they 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.
Getting ready for the visit
- Mention any sign-in or site rules at work premises
- Tell us about access, such as stairs, a lift or high-level joints
- Move anything stored near the joints
How to get a quote
For a quote, call 0345 464 0079 or email us with the location and a short description of the problem. You will have a clear quote before we start.
Read more
Also in Baffins
Keeping the joints in good condition
After the cure time, these simple habits help:
- Act on lifting sealant before it leaks
- Check extract fans are actually running
- Pass on the cure time to whoever cleans the rooms
- Add sealant to your planned maintenance checks
Keep the extraction running and maintained. In internal bathrooms, a weak or broken fan lets moisture linger, and that is what keeps mould away.
In a commercial building, a leak can quickly spread beyond one room: into ceilings below, walls next door and service voids. Dealing with the joint early stops that spread.
Commercial buildings in Baffins
For seaside hotels, guest houses and holiday lets around Baffins, busy months put washrooms and kitchens under pressure, so it’s worth checking the sealant before the busiest weeks. Most of the South East has hard water, which leaves limescale on sealant, grout and fittings.
Schools such as Langstone Junior Academy are buildings too, and sealant in washrooms, kitchens and changing areas can be renewed around term times or opening hours. Community buildings like Church of St Cuthbert are part of the picture too: any kitchen and washrooms need the same sealant care as any other building.
Baffins is about 1 mile east of Portsmouth, in Portsmouth. Homes, rented property, offices and hotels in Baffins can book us for commercial sealant, old or new, large or small. Every job comes with our one-year guarantee. Our Portsmouth coverage runs to 19 places, and Baffins is one of them.
All of PO3, PO4 and PO2 is covered for commercial sealant. You’ll find streets such as Byron Road, James Road and Dover Road, and we cover them all. Being close to the A288, Baffins is easy for our applicators to reach for commercial sealant. We also cover the places around Baffins: Copnor (1 mile north-west), Kingston (1 mile south-west), Fratton (1 mile south-west), Portsmouth (1 mile west) and North End (1 mile north-west). Larger places within reach include Wymering (3 miles north), Paulsgrove (3 miles north-west), Drayton (3 miles north) and Farlington (3 miles north).
Landmarks near Baffins
Around Baffins, our work takes us to homes and buildings near The Baffins pub, St Edmund's Catholic School and Alexandra Park, among other places. For rail, the closest station is Fratton station, about 1 mile south-west of the centre. Well-known places in the area include The Bridge Shopping Centre (1.1 miles south-west) and Southsea Castle (2.4 miles south-west). Open spaces near Baffins include Portsdown Hill and Milton Locks.
Your questions about commercial sealant in Baffins
Is Baffins within the area you cover?
Yes, smaller places are covered as well as towns. Our work covers London and the South East. Let us know about access, parking and anything unusual about getting there when you book.
Do you cover Baffins for commercial sealant?
Yes, Baffins is within the area we cover. Our work covers London and the South East. Just call 0345 464 0079 or send us an email with a few details of the job.
Do you remove the old sealant?
Yes. All of the old material is cut out and the joint cleaned.
Can new sealant go over the old?
No. New silicone will not bond to old silicone, and it traps any mould or water underneath. We remove it all first.
Are you ARBOMaster approved?
Yes. We hold ARBOMaster approved applicator status.
Can the hotel stay open while you work?
Yes. Rooms are done a few at a time, so only a few are out of use at once. Housekeeping are told when each room can be let again.
Can you reseal every bathroom in a hotel?
Yes. Our team has more than 20 years’ experience, and large programmes are planned around how the building is used.
How soon can a room be used after resealing?
Around 24 hours is typical for sanitary silicone. Housekeeping get the cure time for each room.
Landlords, agents and businesses in Baffins
Water getting past a failed joint can damage the building, which matters even more when someone else lives there. Keeping joints in good order is simple maintenance.
We also work for property managers and facilities teams. We can quote a run of properties together.
When to call us in Baffins
A hotel shower or office washroom is used many times a day, and they’re cleaned with strong products every day. That is why sealant fails sooner.
Signs it’s time to call us include:
- Failed joints in office kitchens and tea points
- Leaks from showers into rooms or ceilings below
- Rental bathrooms that need resealing between tenants
- Silicone laid over old silicone by a previous contractor
For landlords with property near Fratton station, sealant work can be quoted for a single flat or a whole portfolio.
Comparing quotes
- What happens if they find a problem under the old sealant
- What the cure time is
- Whether all the old sealant comes out first
- Who does the work, and how experienced they are
Quotes for commercial sealant in Baffins
For a quick quote, just ask. The main things that affect it are:
- The type of sealant required
- Mould in or behind the old joints
- How much old sealant there is and how hard it is to remove
- How many areas need sealing
A few things move the cost up or down: the old material and how easily it comes out, any mould to treat, and whether the work is at height. Your quote takes all of that into account.
What we need to know
You do not need to know the technical terms. Just tell us:
- How many joints, rooms or windows are involved
- Where the property is
- What the problem is, such as mould, gaps, leaks or cracking
- If someone has resealed it before
For commercial sealant in Baffins, phone 0345 464 0079 or email us. A short description of the job and where it is helps us quote, and you will get a clear quote before we start.
