Kent · England

Platt Commercial Sealant

Problem with your washrooms, bathrooms and kitchens in Platt? We remove the old material, prepare the joints and seal them properly, with a 12-month guarantee.

  • Washroom sealant that looks dirty however often it’s cleaned
  • Too many rooms to reseal without closing the building
  • Leaking joints in shower rooms and changing areas

Need commercial sealant in Platt?

How we handle commercial sealant in Platt

Office kitchens, staff washrooms and welfare facilities need to be usable every working day. We can plan the work for early mornings or out of hours to keep disruption down. You’re told when each area can be used again. Typical jobs include mouldy bathrooms flagged at a tenancy check and split sealant around staff kitchen worktops and sinks, on office washrooms & kitchens, retail & leisure sites and rental portfolios.

In a village or hamlet like Platt, commercial work is more likely to be a pub, a farm shop, holiday lets or a village hall than an office block. They all have washrooms, kitchens and service openings that need the right sealant.

The work is covered for a year after we finish. If there’s a problem with it, please call 0345 464 0079 or send us an email.

The Mr Mastic team in navy uniforms in front of three Mr Mastic vans
Place
Platt (TN15)
Wider area
Kent
Cover
One year on every job
Quotes
A clear price before any work starts
Phone
0345 464 0079
Last updated
26 October 2026

What we do, step by step

Our applicators work methodically: protect, prepare, seal, tidy. For most jobs that takes a few hours for a single washroom, longer for a whole building and we leave things clean and tidy. In a small place like Platt, access is generally the main thing to plan. For outside work, also let us know about exposed walls and any outbuildings involved.

  1. Tell us the rooms, hours and site rules, and we will plan the programme.
  2. Tell us what paperwork your site needs, and we confirm what we can supply before we start.
  3. In each room, the old bead comes out and the joint is cleaned and treated.
  4. Anti-fungal sanitary silicone goes into wet areas, with suitable sealant elsewhere.
  5. Each finished area is checked with you and given a cure time.

Before we arrive

  • Tell us about any previous sealing or DIY attempts
  • Clear the area around the work
  • Mention any sign-in or site rules at work premises

Ask for a quote

It all starts with a short chat. Describe the problem, the location and the size of the job, and we will talk you through what we’d do. Whenever you are ready, call 0345 464 0079 or drop us an email.

Get a price

Read more

What the job involves on each surface

Retail & leisure sites

Customer toilets reflect on the business, and clean, neat sealant makes them look cared for.

Welfare facilities

Failed sealant in welfare areas is a simple fix before an audit. Let us know when it needs to be done and we’ll schedule around it, cure time included.

Your questions about commercial sealant in Platt

Can you help a landlord with a rental near Borough Green & Wrotham station?

Yes. We work for landlords and letting agents as well as householders. You can phone 0345 464 0079 or drop us an email with the details for a clear quote.

Will you come out to Platt?

Yes, we do. We work across London and the South East, from towns to the smallest places. The journey is planned ahead, so it helps to know about access.

Are you an approved applicator?

Yes. We are approved under the ARBOMaster scheme, which is run for the Arbo sealant brand.

Do you guarantee commercial jobs?

Yes, for 12 months. Regular gentle cleaning and working extraction help the sealant last.

Can you work around guests in a hotel?

Yes. We work through rooms in batches, keeping most rooms available. Housekeeping are told when each room can be let again.

How long do rooms need to be out of use?

Plan for around 24 hours, or the cure time we give for that area. Planning the order of rooms keeps that downtime manageable.

Do you offer different sealant colours?

Yes. Sealants come in white, clear, grey and other colours for many products, and we will agree it with you first.

Can you work outside opening hours?

Early starts and out-of-hours work can be arranged. Let us know your hours when you get in touch.

Commercial sealant in Platt: local notes

There are hotels and other places to stay in and around Platt. For hotels, a room-by-room programme keeps most rooms in use while the work goes on. Hard water is the norm across most of the South East, so limescale builds up on sealant, grout and fittings, and it has to be cleaned off before new sealant goes in.

Rented homes near Borough Green & Wrotham station change hands often, and sealant work can be quoted for a single flat or a whole portfolio. Schools such as Platt Church of England Voluntary Aided Primary School are buildings too, and washroom and kitchen sealant can be programmed around term times or opening hours.

Platt is about 6 miles east of Sevenoaks, in Kent. Platt gets the same service as everywhere we cover: the old material taken out, joints prepared properly and a 12-month guarantee. Across Kent, we cover 922 places, and Platt is one of them. There’s also a page for London, roughly 23 miles from Platt.

Postcode districts we cover here for commercial sealant: TN15. If you need commercial sealant at a property on St Mary's Close, Grange Road and Platt Common or anywhere close by, our applicators can take on the job. Close by, we work in Comp (1 mile south-east), Borough Green (1 mile west), Crouch (1 mile south-west), Wrotham Heath (1 mile north-east) and Basted (1 mile south-west). We also work in nearby towns such as Maidstone (9 miles east), Dartford (12 miles north-west), Sevenoaks (6 miles west), Royal Tunbridge Wells (11 miles south), Gravesend (10 miles north) and Tonbridge (7 miles south).

Local landmarks in Platt

Locally, jobs take us to homes and businesses close to Wrotham School, The Blue Anchor pub and Wrotham School and the streets around them. For rail, the closest station is Borough Green & Wrotham station, roughly 0.9 miles west of the centre. A little further out are Ightham Court (1.8 miles west) and Beechin Wood Archery Museum (less than half a mile south-east).

Map of Platt © OpenStreetMap contributors

What affects the cost of commercial sealant

You will get a clear quote before any work starts. It takes into account:

  • How easy the joints are to reach
  • How many areas need sealing
  • Any working-time requirements on site
  • Whether old sealant or filler has to be cut out

Leaving a failed joint normally makes the job bigger, not smaller, because water and mould keep working on it. If you’re not sure whether it needs doing, call 0345 464 0079 or email us for an honest opinion and a quote.

Asking for a quote

To make quoting easier, let us know:

  • What’s wrong with the joints now
  • How we’d reach the joints
  • If it’s domestic, commercial or a hotel
  • The address or postcode of the job

If you are in Platt and need commercial sealant, ring 0345 464 0079 or email us. Tell us what the problem is and where, and we will agree the price before any work begins.

Work for landlords, hotels and businesses

Letting agents often deal with us directly. Tell us the address, the job and how access works.

From a single let to a portfolio, the work is the same standard: the old material taken out, careful preparation and a 12-month guarantee.

When something else is needed

Before booking, it’s worth knowing the limits:

  • Tiles coming off the wall
  • Poor ventilation that keeps bringing mould back
  • Fire risk assessments or certification

If you are not sure, just phone 0345 464 0079 or email us and we’ll give you a straight answer before booking.

Where we work in Platt

  • Office washrooms & kitchens
  • Student & care accommodation
  • Welfare facilities
  • Hotel bathrooms
  • Rental portfolios
  • Retail & leisure sites

Should I try it myself first?

The difference is mostly in the preparation and the product. We take joints back to clean, dry surfaces, and the sealant is chosen for how the joint moves and where it is.

The biggest DIY mistake is sealing over old sealant. Silicone does not stick to old silicone, so it peels away and traps moisture behind it. Everything old must be removed first.

When to call us in Platt

Plenty of commercial bathrooms have no window at all, and where extraction is poor, damp hangs around. That is when black mould sets into the bead.

Most people get in touch after spotting one of these:

  • Water marks on ceilings under bathrooms
  • Tired sealant in let properties
  • Washroom sealant that looks dirty however often it’s cleaned
  • Worktop sealant that has shrunk and stained

Community buildings like Church of St Mary are part of the picture too: halls and community kitchens see heavy use, and their sealant shows it.

Comparing quotes

  • How the colour is chosen
  • What happens if they find a problem under the old sealant
  • Which sealant they’ll use, and why
  • How the joint is cleaned and prepared

Choosing a sealant specialist

20+ yearsMastic and sealant specialists
ARBOMaster approvedApproved applicator for Arbo sealants
Fully insuredDomestic, commercial and hotels
One-year guaranteeOn every job