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

Coloured and colour-matched sealant in Newnham, Hampshire

Coloured and colour-matched sealant for visible joints across Newnham, by CSCS-carded applicators. CHAS accredited and fully insured.

  • Coloured joints that have cracked with movement
  • Old sealant that has yellowed, darkened or faded
  • Fit-outs with a sealant colour in the specification
1
Send details
Tell us about the site, with photos if you have them.
2
Get a quote
One fixed quote covering the agreed scope.
3
We seal
Failed joints cut out, faces prepared, new sealant laid.
4
Guaranteed
Signed off, with 12 months’ guarantee.
London, the South East & Scotland
Constructionline member
£5m PL insurance

Coloured sealant near Newnham

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

Honest limits

Before quoting, we check that sealant is the right answer. It isn’t the answer for:

  • Restoring stained stone or masonry next to old sealant
  • Overpainting a joint that needs a non-paintable product
  • Colour variation across natural stone or brick that no single shade can match

Not sure which it is? You can call 01277 525 020 or email a schedule or drawings and we’ll tell you honestly.

What we seal

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

How we handle coloured sealant in Newnham

Shop fits, hotels and offices are where colour-matched sealant earns its place. A mismatched bead can make good joinery look unfinished. The aim is a colour from the product’s range that disappears into the surface. Site teams most often ask us about discoloured joints on a visible elevation and joints that need to match a new RAL frame colour, across office fit-out finishes, powder-coated and anodised frames and shop-fit joinery and counters. A single leaking joint is often how a building in Newnham first comes to us: we look at the rest while we’re there and tell you what we find.

Work in smaller places such as Newnham tends to come one building at a time: a pub kitchen, a hall, a small office. We will want a full list and photographs first, so the right products come on the day and nothing waits for a second trip.

Guaranteed is the last step of every job. You get a 12-month guarantee on our workmanship, and the quote explains what it covers.

The Mastic Doctor team beside their liveried vans in front of an office building
Where
Newnham (RG27)
Wider area
Hampshire
Cover
12 months on our workmanship
Quote
Quoted before any work starts
Phone
01277 525 020
Page updated
3 November 2026

Commercial premises in Newnham

Rainfall across the South East, Newnham included, is lower than in many parts of the UK. That helps, but frost and condensation on glass and coated frames still stop outside sealing on some winter mornings. Newnham has at least three named business or industrial parks inside a 3-mile radius. Sites like these see regular refits, with shopfronts, offices and staff areas to seal.

For premises near Hook station, 1.2 miles to the east of Newnham, footfall is part of the plan: work is phased so shops and offices keep trading. Offices at parks like Optrex Business Centre (to the north of Newnham) have receptions, kitchens and glazed partitions where a tidy joint matters.

Newnham is about 5 miles east of Basingstoke, in Hampshire. Businesses, contractors and managing agents in Newnham use us for work on colour-matched joints, as part of our coverage of Hampshire. Across Hampshire, 723 places are covered, Newnham among them. For work in that direction, see our Reading page.

Work on colour-matched joints is covered throughout RG27. Buildings on Tylney Lane, Newnham Lane and Ridge Lane are within our area. Nearby places we also cover include Nately Scures (1 mile south), Hook Common (1 mile south-east), Up Nately (1 mile south), Hook (1 mile east) and Warnborough Green (2 miles south-east) for colour-matched joints. Nearby towns on our patch include Basingstoke (5 miles west), Farnborough (10 miles east), Fleet (7 miles east), Aldershot (10 miles east), Alton (9 miles south) and Yateley (8 miles north-east).

Local landmarks in Newnham

The closest station to Newnham is Hook station, about 1.2 miles east of the centre. A little further out are Odiham Castle (1.9 miles south-east) and Basing House (2.8 miles west). Not far away are Dogmersfield Lake and Tundry Hill.

Map of Newnham © OpenStreetMap contributors

Our process

Where the site stays busy, the work is phased so only one area is out of use at a time. Each area is protected, prepared and sealed before we move to the next. Smaller jobs around Newnham can be grouped with others nearby. A fixed quote is given before anything starts.

  1. The sealant type is chosen for the joint first, then the colour.
  2. Colour references, samples or photos of the finish are checked against the product’s range.
  3. Where colour is critical, a sample bead can be agreed in a discreet spot.
  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.

Getting the site ready

  • Tell staff and tenants when we’ll be in
  • Arrange parking or a loading space
  • For older buildings, check the asbestos register before work

Request a quote

A handful of photos and a postcode is the fastest way to a quote. Send them through the quote form, or call the office on 01277 525 020 or email the details over if you’d rather talk the job through.

Ask for a quote

Related advice

Common questions from Newnham clients

Is a smaller place like Newnham outside your area?

Not at all: smaller places are covered as well as towns. We cover Greater London and the counties of the South East. Good photographs up front let us bring everything on the first visit.

Is Optrex Business Centre, near Newnham, within your area?

Yes. We cover Newnham and the area around it, including industrial estates, business parks and retail parks such as Optrex Business Centre. Photos and a short description are enough for a first look.

What do you charge?

Each job is quoted on its own details. For yours, ring 01277 525 020 or send photos by email with a description of the work.

Can you work to a RAL reference?

Yes. Give us the RAL reference and we will check it against the product’s range. You’ll see the nearest options before work starts.

How do we ask for a quote?

It works in four steps: send details, get a quote, we seal, guaranteed. The first step only needs photographs and a postcode.

Will sunlight affect the sealant colour?

Exposed sealant can change in appearance over the years. UV and grime can soften or alter the colour.

Are you fully insured?

Yes. We are fully insured, including public liability cover.

Why it’s worth doing now in Newnham

Leaving a failed coloured joint risks more than appearance. Behind the bead, moisture can damage substrates and finishes, so it’s worth fixing early. For buildings around smaller places like Newnham, water damage can go unnoticed for longer, especially where a building isn’t used daily, which gives a failed joint time to do damage. Renewing joints in good time avoids the problem.

We don’t publish prices, because the scope varies so much from one building to the next. For a fixed figure, call for a quote.

Why clients in Newnham choose us

  • Health and safety: CHAS accredited
  • Products installed to the manufacturer’s instructions
  • Matching to RAL references, product permitting
  • Sealing commercial buildings since 2005

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

Work for main contractors and building owners

If you look after buildings for someone else, clear figures and clear communication matter. We quote a fixed sum, confirm the scope and walk the finished work with you or your representative.

Hotels, schools, healthcare sites, offices and retail units come to us directly as well. The work is planned around how the building runs, so guests, pupils, patients or staff are disturbed as little as possible.

Signs you need coloured sealant in Newnham

Colour-matched sealant is usually requested because a standard bead has spoiled the finish: white silicone against dark cladding, grey against timber or a yellowed bead on stone. Replacing it with a suitable colour restores the intended look.

If one of these sounds familiar, it’s time for a closer look:

  • Untidy coloured beads with ragged edges
  • Hotel refurbishments with a set colour scheme
  • Weathered sealant that no longer matches
  • Stained or mouldy coloured joints in washrooms

If you have premises on more than one site, say at Optrex Business Centre and Hatch Industrial Park, one contractor and one quote can cover both.

What to look for in a quote

  • How they handle RAMS and site documents
  • Whether their applicators hold CSCS cards
  • The terms of the workmanship guarantee
  • Whether old or failed sealant will be cut out, not overlaid

Our contractor checklist

What the job involves on each surface

Brick and masonry

Brickwork joints usually look best in a colour close to the mortar or brick. We choose a suitable shade from the product’s range for the elevation.

Hotel interiors

In hotels, sealant shows in rooms, bathrooms and front-of-house. Wet-area sealants come in colours other than white too.

Accreditations

Trusted. Accredited. Insured.