The Mastic Doctor team standing beside their branded vans outside an office building
East Sussex · England

Washroom Sealing in Cripp's Corner

Sealing in commercial washrooms, showers, kitchens and wet areas in Cripp's Corner. CHAS accredited and fully insured, with a 12-month guarantee.

  • Black mould inside silicone joints that cleaning can’t shift
  • Kitchen worktop joints that can’t be kept clean
  • Stained sealant around pans and urinals
1
Send details
Photos, drawings or a schedule, or we visit.
2
Get a quote
One fixed quote covering the agreed scope.
3
We seal
Prepared joints, the specified product, a tidy finish.
4
Guaranteed
Backed by a 12-month workmanship guarantee.
London, the South East & Scotland
Constructionline member
£5m PL insurance

Need washroom sealing in Cripp's Corner?

Share the site address and what’s failing, and we’ll reply with a fixed quote or arrange a visit.

What sealant work can’t fix

Honesty saves time and money. Fresh joints won’t solve:

  • Leaking pipes, traps, wastes or cisterns, which need a plumber
  • Condensation from failed extract fans
  • Leaks through tanking or membranes below the finishes

If in doubt, phone 01277 525 020 or email drawings and photos and we’ll say what we think.

What we seal

  • IPS panels and cubicles
  • Urinals and WCs
  • Showers, trays and wet room floors
  • Kitchens and tea points
  • Vanity units and basins
  • Accessible toilets and changing rooms

Washroom sealing in Cripp's Corner, done properly

Not every silicone belongs in a washroom. Sanitary grades carry anti-mould additives, and neutral-cure types are used where acetoxy silicone could attack some metals, stone or mirror backings. Where food contact is possible, we use a hygienic, food-safe grade. We work on vanity units and basins, urinals and WCs and IPS panels and cubicles, and the usual reasons a site gets in touch are urinal joints that look unhygienic and kitchen worktop joints that can’t be kept clean. Whether you call it commercial sealant work, mastic application or joint sealing, the work in Cripp's Corner is the same: failed joints cut out, faces prepared and the right sealant laid to the right depth.

Community buildings around smaller places like Cripp's Corner have kitchens and toilets used by many people. Resealing sinks, worktops and WCs with anti-mould silicone keeps them clean and watertight.

Every job we finish is backed by a 12-month workmanship guarantee, in Cripp's Corner as everywhere else we work. If our installation lets you down in that time, we return and fix it.

Where
Cripp's Corner (TN32)
Wider area
East Sussex
Cover
A 12-month guarantee
Price
Fixed quote, scope in writing
Telephone
01277 525 020
Page updated
3 November 2026
The Mastic Doctor team beside their liveried vans in front of an office building

What we are called out for in Cripp's Corner

Sometimes the sealant fails because something behind it is moving or wet: a loose panel, a leaking waste or water coming through the wall. We look for it before resealing and say if it needs a plumber or another trade.

Clients usually get in touch after noticing something like this:

  • Black mould inside silicone joints that cleaning can’t shift
  • Shower tray joints that have opened up
  • Open joints at the base of cubicle panels
  • Users noticing mouldy joints

Healthcare estates like Conquest Hospital (5.6 miles south of Cripp's Corner) expect contractors to follow their permits and cleaning rules in every washroom.

Comparing quotes

  • Can the work be phased to keep areas open?
  • How long is the guarantee, and what does it include?
  • How the existing material will be dealt with
  • What level of public liability insurance do they hold?

Our contractor checklist

Cripp's Corner: questions and answers

Can you work on a hospital site such as Conquest Hospital?

Yes. We work in healthcare settings as well as offices and schools. The estates team’s permit system and infection-control rules come first, and the work is planned around them.

Is a smaller place like Cripp's Corner outside your area?

Not at all. Cripp's Corner is within our area. London and every South East county are within our area. Send photos and a list of what needs doing, and we’ll plan the job to need as few trips as possible.

Do you phase washroom resealing?

Only the area we’re working in is closed. Each room reopens after the sealant’s cure time, then we move on.

How do we ask for a quote?

You can use the quote form on this site; alternatively, phone 01277 525 020 or email drawings and photos. Include photos or drawings if you have them.

Do you work to architects’ specifications?

Yes. Include it with the drawings when you ask for a quote, and the quote will be based on it, flagging anything that needs clarifying.

Does the weather affect the work?

Outside, yes. The joint has to be dry and within the product’s temperature range, so damp, frosty or very cold days can stop external work. Internal work is rarely affected.

How long will the new sealant last?

There’s no fixed lifespan: movement, exposure, cleaning, traffic and the product all play a part. Sealant joints are maintenance items, so inspect them regularly.

What sets the cost

Each job is priced on its own details. The main factors are:

  • Phasing around occupants
  • How accessible the joints are
  • Induction, permit and paperwork requirements
  • Specialist products, such as fire-rated or hygienic sealants

The work involved drives the cost: removing old material, preparing the joints, the product, the access and how the work is phased. Call for a quote.

Sending details for a quote

Diagnosis starts before we arrive. Tell us:

  • Access details, including height
  • Specification clauses that apply
  • Rough lengths or quantities, or drawings if you have them
  • Where the site is, with the postcode

We quote a fixed sum against the scope you give us, so you know the figure before anyone is on site. To start the process, call 01277 525 020 or email drawings and photos.

Should maintenance staff do it?

Site maintenance staff can often handle a short internal joint. The usual problems come from preparation: new sealant over old, damp or dusty faces, or the wrong product for the movement.

General builders and handymen seal joints, but it isn’t their main trade. A specialist brings correct preparation, depth control with backing rod and a product suited to that particular joint, which is what makes a joint last.

Diagnose, treat, sign off

The first thing on site is a walk round with your contact, agreeing which joints are in scope, where to start and what must stay open. Then we strip out anything that has failed, prepare every joint and seal it. Rural sites near Cripp's Corner may need directions, gate codes or a contact on site. Add it to your enquiry and we will build it into the plan.

  1. Every room is surveyed and the failed joints listed.
  2. You get a fixed quote with the phasing plan.
  3. The whole of the old bead is removed.
  4. Each joint is cleaned and left dry.
  5. New anti-mould sealant goes in and is tooled neat.
  6. Each area is handed back when ready.

Preparing the site

  • Let building users know which areas are affected
  • Tell us what induction or permit system the site runs
  • Send your site hours and access windows

Getting a fixed quote

Send details, get a quote, we seal, guaranteed: that’s how every job runs. The first step is to phone 01277 525 020 or use the quote form with what you know.

Get a price

Advice

Keeping Cripp's Corner washrooms open while we work

Cripp's Corner is about 46 miles from central London. Washrooms in commuter-belt offices take constant weekday traffic, so we work a block of facilities at a time.

Where you’re responsible for a hall attached to a building such as St Marks Staplecross, its kitchen and toilets need sealant that stays cleanable. Office toilets at parks like Vinehall Business Centre, 1.3 miles to the south-west of Cripp's Corner, take steady weekday use, and mouldy silicone soon shows.

Cripp's Corner is about 7 miles north of Hastings, in East Sussex. Any commercial site in Cripp's Corner is covered, for single jobs and planned programmes alike. Our East Sussex coverage takes in 308 places. For work in that direction, see our Brighton page, about 30 miles away.

We cover the TN32 postcode districts for washrooms and wet areas. Sites close to Cripp's Corner are covered too, including Swaile's Green (1 mile south), Staplecross (1 mile north-east), Whatlington (2 miles south-west), Sedlescombe (2 miles south) and Snagshall (2 miles north). Nearby towns on our patch include Hastings (7 miles south), Bexhill-on-Sea (8 miles south), Hailsham (14 miles south-west), St Leonards (7 miles south), Hastings Old Town (8 miles south) and Belmont (8 miles south).

Around Cripp's Corner

Locally, jobs take us to sites close to The White Hart pub. Cripp's Corner’s nearest station is Robertsbridge station, roughly 3 miles north-west of the centre. Nearby you will also find Conquest Hospital (5.6 miles south) and Nortons Farm Museum (3.2 miles south). Open spaces near Cripp's Corner include Senlac Hill.

Map of Cripp's Corner © OpenStreetMap contributors

Looking after the joints

Once the work is signed off, these steps help:

  • Clean sealant with gentle products and a soft cloth
  • Squeegee showers and trays after busy periods
  • Don’t leave an open joint at a basin or tray
  • Respect the cure time before reopening each room

If a joint we sealed fails within 12 months, tell us and we’ll look at it. Beyond that, regular checks keep small problems small.

In food areas, cleanability is something environmental health officers look at. Failed sealant around sinks and worktops is easy to put right in good time.

Accreditations

Trusted. Accredited. Insured.