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

Coloured and colour-matched sealant in Gosport, Hampshire

Looking for coloured sealant in Gosport? Send us the details for a fixed quote, backed by a 12-month guarantee on the work.

  • Failed coloured sealant that has split or peeled
  • Dirty, discoloured joints in public areas
  • Standard-colour sealant spoiling a high-end finish
1
Send details
Send the specification, photos or a marked-up plan.
2
Get a quote
A fixed quote for the work, with the scope in writing.
3
We seal
CSCS-carded applicators, the right product for each joint.
4
Guaranteed
12-month guarantee on our workmanship.
London, the South East & Scotland
Constructionline member
Fully insured: £5m PL

Coloured sealant across Gosport

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

When something else is needed

Being straight saves everyone time. New sealant won’t cure:

  • A colour that never alters with age
  • Overpainting a joint that needs a non-paintable product
  • Cleaning or repairing the surrounding finishes

If you’re not sure, just phone 01277 525 020 or email a schedule or drawings and we will give you a straight answer before you book.

Joints and surfaces we work on

  • Powder-coated and anodised frames
  • Shop-fit joinery and counters
  • Cladding panels
  • Office fit-out finishes
  • Natural stone and brick
  • Hotel bathrooms and public areas

Coloured sealant in Gosport, done properly

Stone, brick and cladding each bring their own colour challenge: sandstone, granite, brick and stained timber rarely have one flat colour. We choose a colour that reads well across the surface rather than chasing one spot, agreed on site where needed. If you have hotel refurbishments with a set colour scheme and failed coloured sealant that has split or peeled, we can help, whatever the surface. Sealant applicators who only do sealant are a different proposition from a general trade with a gun in the van: on jobs in Gosport, preparation and product choice get the time they need.

In and around smaller places such as Gosport, the commercial buildings we’re asked about are often pubs, shops, village halls and barns converted to offices. Each has kitchens, washrooms and frames whose joints need renewing in time.

What our 12-month guarantee covers is the way we did the job: preparation, application and finish. It doesn’t extend to damage, other trades’ later work or movement the joint was never designed to take.

Location
Gosport (SO51)
Region
Hampshire
Guarantee
A 12-month guarantee
Quotes
Quoted before any work starts
Call
01277 525 020
Last updated
3 November 2026
The Mastic Doctor team beside their liveried vans in front of an office building

Our process

A typical day starts with protection: masking tape along the joint edges and sheeting over anything nearby. The work itself usually takes a few hours or a phased programme, depending on joint lengths and how many colours are involved, and we clear our waste as we work. Smaller jobs around Gosport can be grouped with others nearby. You’ll have a fixed quote before work starts.

  1. We confirm the product the joint needs before talking about colour.
  2. We compare your RAL reference or sample with the colours made for that sealant.
  3. A short trial length can be approved before the full run on visible work.
  4. We remove the existing bead, clean the faces and set the depth.
  5. The coloured sealant is applied and tooled with clean, masked edges.

What we need from you

  • Point out any areas we must not close
  • Clear stock, furniture or equipment away from the joints
  • Have the specification and drawings to hand

Ask for a quote

For a fixed quote, call the office on 01277 525 020 or send photos by email, telling us the site location and the nature of the job. Our quote form is another easy route.

Ask for a quote

Related advice

How the quote is worked out

What shapes the price:

  • How much existing material needs removing
  • Access and working height
  • The size and state of each joint
  • Quantities, in metres or numbers

Larger quantities, tricky access or phasing all shape the price. So do site requirements such as inductions and permits.

What to include in your enquiry

However big the job, these details speed things up:

  • The product your specification calls for
  • How the joints are reached, and at what height
  • Drawings or a marked-up plan, if available
  • Your programme or deadline

Send us photos, drawings or a joint schedule are often enough for a fixed quote. If the job needs a look first, we will arrange a site visit.

Maintenance after handover

Regular inspection catches problems early. Specifically:

  • Avoid piecemeal repairs on coloured joints
  • Brief cleaners about newly sealed joints
  • Check a trial length in real light
  • Keep harsh solvents away from visible joints

Colours can soften with light and weathering. That is normal for exposed sealant.

Ask for a trial bead on high-profile areas. A sample in real light shows how it will look.

Building owners, agents and FMs in Gosport

For main contractors, we work as the sealant subcontractor, on new build and refurbishment alike. We work to your programme, your specification and your site rules.

As a CHAS accredited contractor and Constructionline member, we’re straightforward to vet for your supplier list. We’re fully insured, and our insurance certificate can go with the quote.

Coloured sealant around Gosport: what changes locally

Rainfall across the South East, Gosport included, is lower than in many parts of the UK. External joints still need dry faces and the right temperature, and damp or frosty mornings can hold work up. Less than 3 miles from Gosport there are at least three named estates and business parks. Each new occupier on a park like these tends to refit, from reception to staff kitchen.

Premises within reach of Chandlers Ford station, 2.6 miles south-east of Gosport, often have busy frontages where joints are seen by everyone passing. Refits at hotels like The Potters Heron Hotel (to the east of Gosport) bring joints at vanity tops, bars and reception desks that guests see every day. Sites a few miles apart, such as Sleepy Hollow Business Park and Test Valley Business Park, can share one programme and one point of contact.

Gosport is about 2 miles east of Romsey, in Hampshire. Gosport sits inside our coverage, and jobs here get the same fixed quote and 12-month guarantee as anywhere else. Gosport is one of 723 places we cover in Hampshire for colour-matched joints. Our Southampton page has more on work in that area (6 miles or so).

Postcode districts covered here: SO51 for colour-matched joints. We also cover Ampfield (1 mile north-east), Crampmoor (1 mile west), Knapp (1 mile north-east), Broadgate (1 mile east) and Lower Slackstead (2 miles north). Nearby towns on our patch include Winchester (6 miles north-east), Eastleigh (5 miles south-east), Fareham (15 miles south-east), Andover (14 miles north), Totton (7 miles south-west) and Hedge End (8 miles south-east).

What’s near Gosport

We work on buildings around White Horse Public House and The Mountbatten School. Gosport’s nearest station is Chandlers Ford station, about 2.6 miles south-east of the centre. Other landmarks nearby include King Johns House (2.9 miles west) and Romsey Community Hospital (2.2 miles west). For a walk, there’s Emer Bog and Baddesley Common.

Map of Gosport © OpenStreetMap contributors

Site staff or a sealant specialist?

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.

Certain joints really need a specialist: for instance fire-rated seals that must match a tested detail, trafficked floor joints and external movement joints. Getting these wrong typically costs more in the end than doing them right.

Questions we’re asked in Gosport

Is a smaller place like Gosport outside your area?

No. Places such as Gosport are covered as much as the big towns. We cover Greater London and the counties of the South East. We plan jobs in smaller places so return trips are kept to a minimum.

Do you cover business parks and estates near Gosport, such as Sleepy Hollow Business Park?

Yes. Estates, retail parks and business parks around Gosport, Sleepy Hollow Business Park among them, are all within reach. A few photos and the unit address let us price the work.

How many days will you need on site?

We plan the time on site around your programme and access. You’ll have an expected duration with the quote.

Do you seal on top of existing sealant?

No. Overlaying old sealant is a frequent cause of early failure, so everything comes out first.

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.

Who decides which product is used?

The specification comes first, if there is one. Without one, the joint decides: how much it moves, what it bonds to and whether it’s wet, trafficked or fire-rated.

Do you use coloured sanitary silicone?

Yes. Sanitary silicones with anti-mould additives come in a range of colours too. We’ll confirm what’s available for the specified product and agree it with you.

Accreditations

Trusted. Accredited. Insured.