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

Commercial washroom and wet-area sealing in Lower Green, Hampshire

Washroom sealing in Lower Green, backed by over 20 years in commercial sealing. Fully insured and CHAS accredited.

  • Stained or open joints at kitchen sinks and worktops
  • Sealant laid over old silicone and now peeling
  • Open joints along basins and vanity units
1
Send details
Photos, drawings or a schedule, or we visit.
2
Get a quote
A fixed quote for the work, with the scope in writing.
3
We seal
Failed joints cut out, faces prepared, new sealant laid.
4
Guaranteed
12-month guarantee on our workmanship.
South East, London & Scotland
Constructionline member
Fully insured: £5m PL

Need washroom sealing in Lower Green?

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

For managing agents and facilities managers

Hotels, schools, healthcare sites, offices and retail units book us directly too. We plan around the way the building is used, so guests, pupils, patients or staff are disturbed as little as possible.

Blocks and communal areas make up much of the work for housing associations and agents. Work can be phased so residents and staff keep access throughout, and each stage is agreed with your contact.

Washroom sealing in Lower Green, done properly

Facilities managers, contractors and building owners have used us for washroom sealing for over 20 years. We are CHAS accredited and a Constructionline member, with CSCS-carded applicators. There is public liability insurance behind every job. Our workmanship is guaranteed for 12 months. We work on showers, trays and wet room floors, accessible toilets and changing rooms and urinals and WCs, and the failures we are asked to look at most are resealing that didn’t last because the old bead stayed and shower tray joints that have opened up. Sealant applicators who only do sealant are a different proposition from a general trade with a gun in the van: on jobs in Lower Green, preparation and product choice get the time they need.

Farm shops, cafés and venues in converted rural buildings around places like Lower Green have busy toilets and kitchens. Tell us your opening times and quiet periods and we’ll plan around them.

The 12-month guarantee covers our workmanship: the preparation, the sealing and the tooling. Damage, later alterations by others and movement beyond what the joint was designed for sit outside it.

Where
Lower Green (GU33)
Region
Hampshire
Cover
A 12-month guarantee
Price
Quoted before any work starts
Telephone
01277 525 020
Page updated
3 November 2026
Mastic Doctor team members lined up next to their branded vans outside an office building

Aftercare for building managers

A few simple habits keep the new joints working:

  • Clean sealant with gentle products and a soft cloth
  • Keep washrooms out of use until we say the sealant has cured
  • Keep extract fans working and vents clear
  • Add sealant joints to planned maintenance checks

If a joint we sealed fails within 12 months, tell us and we’ll look at it. After that, a routine look catches failing joints early.

A split joint at a shower tray can leak for a long time before anyone sees it. At that stage, boards or ceilings may need repair so failed joints are worth acting on quickly.

Questions about Lower Green

Will all the washrooms in our Lower Green building be closed at once?

Rarely all at once: work is phased so some facilities are always available. Sanitary silicone needs time to cure before the area is used, and we’ll tell you how long for the product used.

Is a hospital such as Petersfield Community Hospital somewhere you can work?

Yes, healthcare and care buildings are part of our work. Work is phased so departments keep running, under the site’s own rules.

Can you send site paperwork?

Let us know which documents the site needs, such as RAMS, an insurance certificate or CSCS details, and we’ll confirm them with the quote.

Can the sealant be colour-matched?

In many cases, yes. Many products come in a range of standard colours, and matching to RAL references or surrounding finishes is often possible. We’ll confirm the colours available for the specified product.

Who decides which product is used?

Where there’s a specification, we use the product it names. Otherwise, we recommend a product to suit the joint’s movement, the substrate and the conditions, following the manufacturer’s guidance.

Do you take on small jobs?

Small jobs are welcome alongside larger packages. Photos and a description are enough to start.

Is Lower Green in your area?

Yes. Lower Green falls within our area, and you can speak to us on 01277 525 020 or email a schedule or drawings to get started.

How the quote is worked out

What shapes the price:

  • Access and working height
  • Joint width, depth and condition
  • How much there is to seal
  • Whether the work must be split into stages

There’s no price list, since every building and every scope is different. Call for a quote.

Sending details for a quote

However big the job, the same details help:

  • Photos of the joints, close up and from further back
  • Whether the building will be occupied during the work
  • The product your specification calls for
  • Rough lengths or quantities, or drawings if you have them

Send us photographs, drawings or a joint schedule and a fixed quote comes back to you. Where a site visit makes more sense, we will arrange one.

How the job changes by surface

Basins and vanity tops

A failed joint along a vanity unit lets water into the carcass. Prompt resealing keeps the unit sound.

Changing rooms and gyms

Changing rooms can be phased so one stays open. Tell us your site hours and access windows and we’ll plan around them.

Why deal with it now?

When a washroom looks worn, a refit isn’t the only answer. Where tiles, panels and fittings are sound, new sealant may be enough to put it right for now. Halls, stores and units around places like Lower Green may not be checked every day, which gives a failed joint time to do damage. Renewing joints in good time avoids the problem.

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.

What you get with us

  • Workmanship guaranteed for 12 months
  • Our applicators hold CSCS cards
  • Matching to RAL references, product permitting
  • Specification-led, product-correct work

See our cost guide or our accreditations.

Keeping Lower Green washrooms open while we work

Lower Green lies roughly 47 miles out from central London, within the office belt around the capital. Office toilets in the commuter belt are in use from first arrivals to last departures, so we work a block of facilities at a time.

Healthcare estates like Petersfield Community Hospital (to the south of Lower Green) expect contractors to follow their permits and cleaning rules in every washroom. For buildings on a site such as Ham Barn Business Park, 1.5 miles east of Lower Green, washrooms and tea points can be resealed in phases through the working week. Where you are responsible for a hall attached to a building such as Church of St Peter and St Paul, its kitchen and toilets need sealant that stays cleanable.

Lower Green is about 4 miles north of Petersfield, in Hampshire. Lower Green sits inside our coverage and the rest of Hampshire, and jobs here get the same fixed quote and 12-month guarantee as anywhere else. Lower Green is one of 723 places we cover in Hampshire. We also cover Portsmouth, some 19 miles away.

We cover the GU33 postcode districts for washrooms and wet areas. Just outside Lower Green, we also work in Hawkley (1 mile south), Oakshott (1 mile south), Empshott (1 mile north-east), Steep Marsh (2 miles south) and Selborne (3 miles north). Bigger towns within reach include Havant (14 miles south), Fleet (15 miles north), Horndean (11 miles south), Aldershot (15 miles north-east), Alton (6 miles north) and Waterlooville (13 miles south).

What’s near Lower Green

In Lower Green, that means premises near Hawkley Inn, among other places. For rail, the closest station is Liss station, about 2.3 miles south-east of the centre. Well-known places in the area include The Romany Museum (2.3 miles north) and Petersfield Community Hospital (4.1 miles south). For a walk, there’s Goleigh Hill and Liss Riverside Railway Walk North.

Map of Lower Green © OpenStreetMap contributors

Our process

On arrival, we report to your site contact and complete whatever induction the building runs. Everything around the joints gets protected before any cutting starts, and the work usually takes half a day to a day per washroom, depending on the number of fittings. If others near Lower Green need work, visits can be combined, which keeps travel down. A fixed quote is given before anything starts.

  1. We survey each room, count the joints and note anything behind them that needs another trade.
  2. We agree which rooms close and when, so users always have somewhere to go.
  3. The failed silicone is stripped and every face scraped clean of residue.
  4. We clean and dry every surface so the new sealant can grip.
  5. New sanitary silicone with anti-mould additives goes in and is tooled neat.
  6. Rooms reopen after the product’s cure time, and we move to the next.

Before we start on site

  • Move anything stored against the joints
  • Send your site hours and access windows
  • Arrange parking or a loading space

Get a fixed quote

Quotes are fixed against the scope you send, so you know the figure before anyone is on site. To ask for one, ring 01277 525 020 or email drawings and photos.

Ask for a quote

Related advice

Accreditations

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