Hampshire · England

Commercial & hotel sealant in Portchester, Hampshire

Sealant work for offices, hotels, washrooms and commercial buildings for Portchester, backed by a one-year guarantee. Call for a quick quote.

  • Washrooms that need sorting before an inspection
  • Washroom sealant that looks dirty however often it’s cleaned
  • Whole floors of tired en suites

Commercial sealant in Portchester

Commercial sealant for homes and businesses in Portchester

Bigger commercial jobs in Portchester begin with a site walk. You then get one clear quote for the whole job. If you’re dealing with mouldy washroom sealant that staff and guests notice and shower leaks reaching the floor below, we can help.

If you run a pub, café, guest house or shop in or near Portchester, the washrooms and kitchen need the same attention as a big site, and fire-rated sealant around service openings should be restored after new pipes or cables go through.

We stand behind the work with a one-year guarantee, so you are not left on your own once the job is done.

Location
Portchester (PO16, PO6, PO17)
Wider area
Hampshire
Guarantee
One year on every job
Quotes
A clear quote up front
Phone
0345 464 0079
Last updated
26 October 2026
Mr Mastic applicator sealing the vertical joint between a glass shower screen and tiled wall

Do you need commercial sealant in Portchester?

Internal washrooms and en suites without a window rely entirely on extraction, and where extraction is poor, damp hangs around. That’s when black mould sets into the bead.

Common reasons people contact us are:

  • Leaks from showers into rooms or ceilings below
  • Repeated reseals that do not last
  • Washroom sealant that looks dirty however often it’s cleaned
  • Split sealant around staff kitchen worktops and sinks

If you look after a church, hall or community building such as Church of St Mary, its kitchen and washroom sealant needs looking after like anywhere else.

Before you book anyone

  • Which sealant they’ll use, and why
  • Whether VAT is included
  • How much experience the applicator has
  • When the joint can take water or movement

10 questions to ask before booking

How the visit works

Our applicators work methodically: protection first, then preparation, sealing and a tidy-up. For most jobs that takes a few hours per area, with larger sites planned over several visits. For a job in Portchester, we agree the time, the access and parking before the day. Outdoor jobs depend on a dry day, since sealant needs a dry surface.

  1. We agree a programme with you: which rooms, in what order, at what times.
  2. Tell us what paperwork your site needs, and we confirm what we can supply before work begins.
  3. Old sealant is cut out room by room and joints cleaned and treated.
  4. We reseal with the right product for each joint.
  5. Rooms are handed back in order, each with its cure time.

Preparing for the visit

  • Let us know about stairs, lifts or work at height
  • Tell us if parking is tricky
  • For indoor joints, keep the area dry beforehand if you can

Get a quote

For a quote, phone 0345 464 0079 or drop us an email and tell us where the job is and what the problem looks like. We will give you a clear price before any work starts.

Get a quick quote

Related advice

Leave it or put it right?

Sealant is easy to forget until an audit or inspection is due. Booking it in good time leaves room for the cure time before the visit. Around Portchester, water from a failed joint in an older home can soak into timber and plaster, and that is a much bigger job than renewing the sealant.

A failed joint rarely gets cheaper to fix by waiting, because water and mould keep working on it. If you’re unsure, call 0345 464 0079 or send us an email and we will give you an honest view and a quote.

Why us?

  • An ARBOMaster approved applicator
  • Fully insured
  • Every job guaranteed for a year
  • Sanitary silicone with an anti-fungal additive in wet areas

Take a look at how sealant jobs are priced and our reviews.

Surface by surface

Rental portfolios

An empty property is easy to reseal, so the next tenant moves in to clean, sound joints.

Retail & leisure sites

Gym and leisure changing rooms take heavy use and plenty of water, so anti-fungal sanitary silicone is the product we use.

Work for landlords, hotels and businesses

Hotels need rooms back in use, so we plan the work room by room. Hotel work is part of what we do, alongside homes and businesses.

We also work for businesses, from offices to washrooms and kitchens. On commercial sites, working times can be discussed when we quote.

Questions from Portchester

Do you work for landlords with property near Portchester station?

Yes. We work for letting agents and landlords as well as homeowners, and several properties can go on one quote. You can call 0345 464 0079 or drop us an email with the details for a clear quote.

Do you cover smaller places like Portchester?

Yes. Portchester is within the area we cover, which takes in towns, villages and rural addresses. We work across London and the South East. Let us know about access, parking and anything unusual about getting there when you book.

What sealant do you use?

Products from Arbo and Everbuild, among others, picked for each joint. We will tell you what we are using and why.

Does commercial work come with a guarantee?

Yes. We give a 12-month guarantee on every job and are fully insured.

Do I have to be there?

We need access to the joints, so we will agree that with you when we book. Indoors, that usually means someone at home.

Do you hold any approvals?

Yes. ARBOMaster is the approved applicator scheme for Arbo sealants, and we’re part of it.

Is it OK to seal over old sealant?

No. Fresh sealant does not stick to old sealant, and anything trapped underneath, including mould and water, stays there. We remove it all first.

Can you take on a whole building?

Yes. We will walk the site, agree the scope and the order, and you get one clear quote.

Aftercare tips

Simple care keeps the joints in good condition. Our advice:

  • Book larger programmes for quieter times of year
  • Keep strong chemicals and scourers off the joints
  • Note the date each area was done
  • Tell cleaning staff when each room can be used

Extract fans need to work. In internal bathrooms, a weak or broken fan lets moisture linger, and that’s what keeps mould away.

Signs to look for: mould, splits, peeling corners or water marks downstairs. When you see them, it’s time to plan a reseal.

How we quote for commercial sealant

The quote reflects the job in front of us. We look at:

  • How much there is to do
  • When we can work, for business premises
  • How much old sealant there is and how hard it is to remove
  • Mould in or behind the old joints

There are no prices on our website, because each job is priced on what it involves. Call for a quick quote and we’ll talk you through it.

What we need to know

Before you ask for a quote, have a think about:

  • Roughly how big the job is
  • The address or postcode of the job
  • Any access issues, like height or stairs
  • What’s wrong with the joints now

For a quick quote, get us on the phone, or email us if that’s easier. Tell us about the joints that need doing and we will explain what’s involved and send you a clear quote.

What commercial sealant looks like in Portchester

For seaside hotels, guest houses and holiday lets around Portchester, heavy use in the busy months is hard on washroom and kitchen sealant, and any building work there should leave fire-rated joints made good. Hard water is the norm across most of the South East, which leaves limescale on sealant, grout and fittings.

If you let a flat or house near Portchester station, several rental properties can be resealed on one programme. Schools such as Castle Primary School are buildings too, and sealant in washrooms, kitchens and changing areas can be renewed around term times or opening hours.

Portchester is about 3 miles north-east of Gosport, in Hampshire. Anywhere in PO16, we cover commercial sealant for homes and businesses. We cover 683 towns and villages across Hampshire, large and small.

Here we cover the PO16, PO6 and PO17 postcode area for commercial sealant. That includes homes and businesses on Cow Lane, Hill Road and Ralph Road and the roads around them. If you are just outside Portchester, we cover Boarhunt (2 miles north-west), Southwick (2 miles north), Elson (2 miles south-west), Wallington (2 miles west) and Priddy's Hard (2 miles south). Larger places within reach include Gosport (3 miles south-west), Havant (6 miles east), Eastleigh (13 miles north-west), Fareham (3 miles west), Horndean (7 miles north-east) and Chandler's Ford (15 miles north-west).

Around Portchester

Typical jobs here are in homes near Portchester Community School and The Cormorant pub and the streets around them. Portchester’s nearest station is Portchester station, about 0.5 miles north-west. Other landmarks nearby include Portchester Castle (less than half a mile south-east) and Queen Alexandra Hospital (2.3 miles east). For a walk, there’s West of the River Alver and Portsdown Hill.

Map of Portchester © OpenStreetMap contributors
20+ yearsMastic and sealant specialists
ARBOMaster approvedApproved applicator for Arbo sealants
Fully insuredDomestic, commercial and hotels
One-year guaranteeOn every job