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

Commercial washroom and wet-area sealing in Compton, Surrey

Our CSCS-carded applicators take on sealing in commercial washrooms, showers, kitchens and wet areas in Compton and the surrounding area. Send photos or drawings for a fixed quote.

  • Open joints at the base of cubicle panels
  • Split or peeling sealant at shower trays
  • Mould spotting along silicone joints
1
Send details
Photos, drawings or a schedule, or we visit.
2
Get a quote
Scope agreed and priced before anything starts.
3
We seal
CSCS-carded applicators, the right product for each joint.
4
Guaranteed
Backed by a 12-month workmanship guarantee.
London, the South East & Scotland
CHAS & Constructionline
£5m PL insurance

Washroom sealing for businesses in Compton

Send drawings, photos or a joint schedule, or tell us about the site, and we’ll come back with a fixed quote.

Washroom sealing for commercial buildings in Compton

In a busy washroom, the sealant normally gives up long before the tiles or fittings. Around basins, urinals, cubicles, IPS panels and shower trays it takes water, soap, cleaning chemicals and knocks every day and mould that roots into it can’t be cleaned away. We strip it out and lay new anti-mould sanitary silicone. We work on IPS panels and cubicles, accessible toilets and changing rooms and showers, trays and wet room floors, and the usual reasons a site gets in touch are open joints along basins and vanity units and split or peeling sealant at shower trays. Searching for sealant specialists in Compton? Mastic Doctor has worked for contractors, FMs and building owners since 2005, CHAS accredited and a Constructionline member.

In and around smaller places like Compton, washroom work is often in halls, pubs, primary schools, care homes and holiday accommodation. Mould gets into sealant in any washroom that doesn’t dry out, and once it’s in, the sealant is replaced.

Every job ends the same way: guaranteed. Our workmanship is backed for 12 months, and we explain exactly what that covers when we quote.

Mastic Doctor team members lined up next to their branded vans outside an office building
Place
Compton (GU3)
Wider area
Surrey
Cover
12 months on our workmanship
Quote
A fixed quote before we start
Phone
01277 525 020
Last updated
3 November 2026

FAQs: Compton

Is Compton off your patch?

Not at all. Compton is within our area. Our area covers London and the South East counties. Good photos up front let us bring everything on the first visit.

Can work at a site such as University of Surrey - Manor Park Campus fit around teaching?

Yes. Education sites normally want the work in vacations or in phases during term, and we plan to suit. Any paperwork you need, from RAMS to our insurance certificate and CSCS details, is confirmed with the quote.

Are you fully insured?

Yes. We’re fully insured, and the certificate can go with your quote.

Is it possible to just clean mouldy silicone?

Surface cleaning won’t reach mould that has rooted into the bead. New anti-mould sanitary silicone is the treatment and point out if ventilation is part of the problem.

Is it OK to put new silicone on top of the old?

We strip every bit of the failed bead and wipe away the residue first. It’s the difference between a joint that lasts and one that peels.

How long do sealant joints last?

It depends on movement, UV and weather, cleaning, traffic and the product. Sealant joints are maintenance items, so inspect them regularly.

How long before the toilets can reopen?

The silicone needs time to cure before water reaches it. Phasing is planned with the cure time in mind so there are always rooms open.

Surface by surface

Basins and vanity tops

Water getting past a vanity top joint can swell the board beneath. Prompt resealing keeps the unit sound.

IPS and cubicle panels

Panels flex slightly in use so the bead needs to cope with it. We check fixings before sealing.

General trades versus a specialist

General builders and handymen seal joints, but it isn’t their main trade. A specialist prepares properly, controls joint depth and picks a product with the right movement class.

Paperwork matters too. Many sites expect CSCS cards, RAMS and proof of insurance, and we’ll confirm the paperwork you need with the quote.

Signs you need washroom sealing in Compton

Warmth, moisture and soap residue are exactly what mould needs, and silicone joints hold onto all three. Anti-mould additives help, but in a poorly ventilated room mould can still take hold eventually.

Typical triggers for a call:

  • Stained or open joints at kitchen sinks and worktops
  • Resealing that didn’t last because the old bead stayed
  • Open joints along basins and vanity units
  • Panel joints letting water behind

Office toilets at parks like Home Farm Business Park (to the east of Compton) take steady weekday use, and mouldy silicone soon shows.

What to look for in a quote

  • Are they CHAS accredited or on Constructionline?
  • Do they follow the manufacturer’s priming guidance?
  • What level of public liability insurance do they hold?
  • Which product they’ll use, and why it suits the joint

Our contractor checklist

Keeping Compton washrooms open while we work

Compton is about 30 miles from central London, in a commuter belt where offices and business parks are common. Office washrooms on business parks see heavy weekday use, and resealing in phases keeps facilities available.

Healthcare washrooms on sites such as Royal Surrey County Hospital (to the north-east of Compton) are resealed area by area, under the site’s own infection-control rules. Toilets at colleges like Godalming College, 2.6 miles south of Compton, take heavy use from students and staff alike.

Compton is about 3 miles south-west of Guildford, in Surrey. We cover Compton and the rest of Surrey, and jobs here get the same fixed quote and 12-month guarantee as anywhere else. We work across 379 places in Surrey, large and small. Our Reading page has more on work in that area (22 miles or so).

Anyone looking for washroom sealing in GU3 gets the same process as the rest of our area: details, then a fixed price, then sealing and a 12-month guarantee. We cover commercial and managed buildings on The Street, Spiceall and Almsgate and the roads nearby. Sites close to Compton are covered too, including Hurtmore (1 mile south), Binscombe (1 mile south-east), Littleton (1 mile east), Shackleford (2 miles south-west) and Onslow Village (2 miles north-east). Bigger towns within reach include Guildford (3 miles north-east), Woking (7 miles north), Camberley (9 miles north-west), Farnham (7 miles west), Egham (15 miles north) and Walton-on-Thames (15 miles north-east).

Landmarks near Compton

Recent enquiries here include premises near Broadwater School, Pucks Oak Barn and McAlmont Reserves and The Harrow pub. The closest station to Compton is Farncombe station, about 1.6 miles south-east of the centre. Well-known places in the area include Charterhouse School Museum (1.2 miles south) and Guildford Castle (2.8 miles north-east). For a walk, there’s Farncombe Wood and Frith Hill.

Map of Compton © OpenStreetMap contributors

Diagnose, treat, sign off

A typical day starts with protection: masking tape along the joint edges and sheeting over anything nearby. The work itself usually takes between a morning and a week or so, set by the number of rooms and the phasing you need, and our waste is bagged and taken away as we go. For work around Compton, we aim to finish in one visit, so we ask for photographs and rough sizes first. Then the right materials arrive with us.

  1. We inspect each washroom and record the joints to be resealed.
  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. Rooms reopen after the cure time.

What we need from you

  • Flag any permit to work we will need
  • Have the specification and drawings to hand
  • Send your site hours and access windows

Getting a fixed quote

Tell us about the building, the joints and when you need the work done, and a fixed quote will follow. To get it moving, speak to us on 01277 525 020 or email a schedule or drawings.

Get a quick quote

Read more

Keeping the joints sound

Keep the joints in good shape with a few simple steps:

  • Report faulty extraction promptly
  • Clear standing water from shower floors where possible
  • Brief cleaning staff to treat joints gently
  • Share your site rules when you send details

Each room goes back into use only when the sealant has cured enough. We’ll tell you when the wet areas can be used and signage stays in place until that time.

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.

What sealant work can’t fix

Sealant solves a lot, but not everything, and we’d rather tell you before you spend money. These need a different solution:

  • Condensation from failed extract fans
  • Water escaping beneath the floor rather than through a joint
  • Hollow tiles or loose panels behind the joint

Not sure which it is? You can call 01277 525 020 or send details through our quote form and we will tell you honestly.

What we seal

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

Trusted. Accredited. Insured.