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

Sealant specialists in Park Gate

Sealant work for offices, shops, hotels and other commercial buildings in Park Gate. CHAS accredited, Constructionline member, with a 12-month guarantee on workmanship.

  • Shrunken sealant along kitchen worktops and splashbacks
  • Mouldy silicone around WCs, urinals and vanity tops
  • Leaks that seem to come through a sealant line
1
Send details
Drawings, photos, a joint schedule or a site visit.
2
Get a quote
Scope agreed and priced before anything starts.
3
We seal
The right sealant, to the right depth, neatly finished.
4
Guaranteed
Signed off, with 12 months’ guarantee.
South East, London & Scotland
Constructionline member
Fully insured: £5m PL

Commercial sealant contractors for Park Gate sites

Photos, a specification or a quick description of the joints is enough to start a fixed quote.

Commercial sealant contractors for commercial buildings in Park Gate

Most commercial buildings carry hundreds of metres of sealant that nobody thinks about until it fails, and on a working site that normally surfaces as a leak, a stain or a complaint from occupiers. We are commercial sealant applicators for FMs, managing agents, landlords and contractors. Our job is to diagnose the failure, remove the old bead and seal again using a product chosen for the movement and exposure. Most enquiries involve earlier reseals applied straight onto the failed bead and untidy joints in a reception, shop floor or lobby, across washrooms and tea points, window and door perimeters and kitchen worktops and splashbacks. Most enquiries from Park Gate start with one failed joint and grow into a wider look at the building: we look at the rest while we’re there and tell you what we find.

If you look after more than one building near Park Gate, the work can be planned as one programme, with one quote format and one point of contact.

Commercial sealant work around smaller places like Park Gate tends to mean pubs and restaurants, halls, farm shops and offices in converted farm buildings. Kitchens, toilets and window frames in all of them need resealing sooner or later.

The 12-month guarantee is for workmanship rather than wear and tear. How long a sealant joint lasts depends on movement, exposure, cleaning and use, so we spell out the cover before we begin.

The Mastic Doctor team standing beside their branded vans outside an office building
Where
Park Gate (SO31)
Region
Hampshire
Cover
12 months on our workmanship
Price
A fixed quote before we start
Phone
01277 525 020
Last updated
3 November 2026

Our process

Tell us your site hours and access windows and we will plan around them. While we are working, the area stays contained and tidy, and we check in with your contact before moving on to each new area. If others near Park Gate need work, visits can be combined. You’ll have a fixed quote before work starts.

  1. First, details reach us through the quote form or a site visit.
  2. We diagnose the cause of failure and price a fixed scope.
  3. Where parts of the building must stay open, the work is phased.
  4. Every failed bead is removed rather than covered.
  5. Each joint gets a suitable sealant, laid to depth and tooled.
  6. We check the work with you, and the 12-month guarantee starts.

What we need from you

  • Agree which areas must stay open
  • Explain the parking and delivery arrangements
  • Send asbestos survey details if the building is pre-2000

Getting a fixed quote

Every quote starts with the facts: the joints involved, quantities, access and the product called for. Send what you have, and we will arrange a site visit if anything is unclear.

Get a quick quote

Related advice

Honest limits

Part of a good diagnosis is knowing where sealant stops. We will tell you if the real problem is one of these:

  • Walls or slabs moving more than any sealant can take
  • Water from a services leak rather than a joint
  • Broken glass or blown double-glazed units

If in doubt, ring 01277 525 020 or email us and we will say what we think before you book.

Surfaces we seal

  • Movement joints in walls and floors
  • Washrooms and tea points
  • Floor and threshold joints
  • External facade joints
  • Window and door perimeters
  • Kitchen worktops and splashbacks

Common problems we fix in Park Gate

Resealing over the top is a false economy we come across often. New silicone has nothing to key into. By the time it shows, there can be two or three layers to cut out.

Things that usually lead to an enquiry:

  • Movement joints packed with grit and debris
  • Water staining near frames, panels or ceilings
  • Shrunken sealant along kitchen worktops and splashbacks
  • Window and door perimeter joints that have cracked open

A business with units at Park Gate Business Centre and Solent Business Park needn’t use two contractors for its sealant.

What your quote should include

  • Their public liability cover
  • Their pre-qualification and accreditations
  • How long is the guarantee, and what does it include?
  • What site paperwork they can supply

Our contractor checklist

Commercial sealant contractors in Park Gate: the local picture

Park Gate sits close to the coast, within about 3 miles. Exposed frontages near the sea are hard on sealant, so the product has to suit the weather as well as the look. Where a frontage needs a particular colour, the product still has to suit that exposure. Less than 3 miles from Park Gate there are at least three named estates and business parks. Units on sites like these change tenants and get refitted, and each refit leaves joints to seal; brand colours often come into it.

Shops and cafés around stations like Swanwick station, less than half a mile north of Park Gate, trade from early, so work is timed around them. A hotel such as Solent Hotel and Spa (0.9 miles north-east of Park Gate) shows how much sealant a hospitality building has on show, from bathroom joints to the bar.

Park Gate is about 3 miles south-east of Hedge End, in Hampshire. Across the SO31 postcode area, it works the same way: details in, fixed quote out, then sealing and a 12-month guarantee. Park Gate is one of 723 places in Hampshire on our list for sealant joints. For work in that direction, see our Southampton page, about 6 miles away.

If you need commercial sealant contractors in SO31, the process matches everywhere else we work: send details, get a quote, we seal, guaranteed. Buildings on Station Road, Botley Road and Middle Road are within our area. We also cover Sarisbury (1 mile west), Locks Heath (1 mile south), Segensworth (1 mile east), Whiteley (1 mile north-east) and Swanwick (1 mile north-west) for sealant joints. Bigger towns within reach include Winchester (13 miles north), Gosport (7 miles south-east), Havant (12 miles east), Eastleigh (7 miles north-west), Fareham (3 miles south-east) and Horndean (11 miles east).

Near you in Park Gate

In Park Gate, that means premises near Brookfield Community School and Language College and the streets around them. There’s a railway station in Park Gate itself: Swanwick station. Other landmarks nearby include Bursledon Brickworks Industrial Museum (1.4 miles north-west) and St Andrew's Castle (2.6 miles south-west). The countryside around Park Gate includes Swanwick Lakes.

Map of Park Gate © OpenStreetMap contributors

Commercial clients in Park Gate

As a CHAS accredited contractor and Constructionline member, we make supplier vetting simple. Our insurance certificate can be sent along with the quote.

Facilities managers want contractors who arrive with the paperwork sorted. Tell us what site paperwork you need, such as RAMS, an insurance certificate or CSCS details, and we’ll confirm with the quote.

After the work

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

  • Look at the sealant around anything that has been moved or replaced
  • Act on the first lifting edges rather than waiting
  • Keep abrasive pads and scrapers off resealed joints
  • Keep a record of which joints were resealed and when

Put sealant on the planned maintenance checklist. Regular checks pick up small failures before they become leaks. Should something look amiss, you can speak to us on 01277 525 020 or email drawings and photos and send a picture.

Each spell of wet weather pushes more water through an open joint. It can run into cavities, insulation and internal finishes long before anyone sees a stain. Catching it at the sealant stage avoids the bigger repair.

Leave it or put it right?

Fixing joints complaint by complaint is a costly way to manage sealant. Planning the work across a year or a portfolio means fewer separate visits and a predictable spend. We will suggest an order, worst sealant joints first. Older rural buildings around Park Gate move with the seasons, and rigid or tired sealant can’t keep up. The right product, sized to the joint, copes much better.

What a job costs comes down to how many linear metres there are, how much old material needs removing and the access. Call for a quote once you have the details.

What you get with us

  • RAL and finish matching where the product range allows
  • One number for every site we cover
  • 12 months’ guarantee on every job
  • Products installed to the manufacturer’s instructions

See how commercial sealant jobs are priced or our accreditations.

Common questions from Park Gate clients

Our building in Park Gate is near the coast: does that change the sealant?

It can. Wind-driven rain and, closer to the shore, salt air are harder on external joints. That puts more weight on product choice, primers where the manufacturer specifies them, and correct joint sizing.

Is Park Gate Business Centre, near Park Gate, within your area?

Yes. We cover Park Gate and the area around it, including industrial estates, business parks and retail parks such as Park Gate Business Centre. To start, just ring 01277 525 020 or email the details over with the unit, the joints involved and your access times.

How long do sealant joints last?

There isn’t a single answer, since movement, weather, cleaning and use all affect it. Regular inspection is the best way to catch problems early.

Will the building have to shut during the work?

That comes down to planning: areas are phased, access windows agreed and enough washrooms or entrances left in use. Tell us what has to stay open and we will plan the job around it.

How long does a job like this take?

We plan the time on site around your programme and access. We’ll give you an estimate of time on site when we quote.

Do you work to architects’ specifications?

Yes. We follow the specification, along with the manufacturer’s installation guidance, and we raise anything unclear before work begins.

Which sealant will you use?

A specification, where there is one, decides it. Without one, the joint decides: its movement, its surfaces and what it has to cope with.

Accreditations

Trusted. Accredited. Insured.