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

Coloured Sealant contractors in Lee Gate

Coloured and colour-matched sealant for visible joints in Lee Gate and across Buckinghamshire. CHAS accredited, Constructionline member, with a 12-month guarantee on workmanship.

  • Shop fits that need consistent sealant colours across sites
  • A run of joints in mismatched shades
  • Poorly tooled joints on visible finishes
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
Our workmanship is guaranteed for 12 months.
South East, London & Scotland
Constructionline member
£5m PL insurance

Need coloured sealant in Lee Gate?

Share the site address and what’s failing, and we’ll reply with a fixed quote or arrange a visit.

What we can’t put right

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

  • Repairing damaged frames or cladding
  • A colour that never alters with age
  • Colour variation across natural stone or brick that no single shade can match

Not sure which it is? You can speak to us on 01277 525 020 or send details through our quote form and we’ll tell you honestly before you book.

Where we work in Lee Gate

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

Coloured sealant for commercial buildings in Lee Gate

Matching to anodised or powder-coated frames is a common request. We compare the RAL reference with the colours made for the specified sealant. Where nothing in the range is close enough, a paintable hybrid or PU sealant may be an alternative, if the joint and specification allow. If you have joints that need to match a new RAL frame colour and smeared sealant on stone or joinery, we can put it right. Most enquiries from Lee Gate start with one failed joint and grow into a wider look at the building: we check the joints around it and give you an honest view of what needs doing now and what can wait.

Rural business units near smaller places such as Lee Gate are frequently converted agricultural buildings. Their mix of old walls with new frames, partitions and floors means many joints between unlike materials, and a sealant colour that suits the building’s character is often part of the brief.

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
Place
Lee Gate (HP16)
Wider area
Buckinghamshire
Guarantee
A 12-month guarantee
Price
A fixed quote before we start
Telephone
01277 525 020
Page updated
3 November 2026

What happens if it’s left?

People notice sealant lines more than you might expect. Resealing in a suitable colour is a modest cost against the finishes it sits beside, and the difference is obvious. Around Lee Gate, it’s better to renew all the failing joints at once. Photos of every joint help us quote for the whole job.

There’s no price list, since every building and every scope is different. For a fixed figure, call for a quote.

Why clients in Lee Gate choose us

  • CHAS accredited
  • Joints cleaned back to sound surfaces
  • Work carried out by CSCS-carded applicators
  • Sealing commercial buildings since 2005

Read what affects the cost and how we’re accredited.

Commercial premises in Lee Gate

Lee Gate is in the South East, one of the UK’s drier regions. Drier doesn’t mean dry every day, so frontage work still has some give in the dates. Lee Gate is about 31 miles from central London. The South East around the capital has large numbers of business parks, offices and retail centres, especially around the motorway corridors. If you have premises across the region, one contractor can cover them all.

On a business park such as Station Approach Business Park, which lies north-west of Lee Gate, sealant work tends to follow fit-outs: receptions, tea points, washrooms and frame perimeters.

Lee Gate is about 4 miles north-west of Chesham, in Buckinghamshire. Looking for coloured sealant in Lee Gate? We can help. Lee Gate is one of 308 places we cover in Buckinghamshire. For work in that direction, see our Reading page, about 23 miles away.

Postcode districts covered here: HP16. Streets here include Furze Field Lane and Chesham Lane. Just outside Lee Gate, we also work in Kingsash (1 mile west), Hunt's Green (1 mile south), Wendover Dean (1 mile west), Wendover (2 miles north-west) and Great Missenden (3 miles south). Bigger towns within reach include Aylesbury (7 miles north-west), High Wycombe (8 miles south), Chesham (4 miles south-east), Marlow (12 miles south), Amersham (6 miles south-east) and Beaconsfield (9 miles south).

Near you in Lee Gate

Locally, jobs take us to sites close to John Colet School and The Gate Public House and the streets around them. The closest station to Lee Gate is Wendover station, about 2.4 miles north-west of the centre. Well-known places in the area include Trenchard Museum (2.6 miles north) and Hawridge Court (3.2 miles east). Not far away are Dancersend Nature Reserve and Haddington Hill.

Map of Lee Gate © OpenStreetMap contributors

How a job runs

We schedule the visit to fit the site hours and access windows you give us. On the day, the work area is kept contained and tidy, and we check in with your contact before moving on to each new area. If others near Lee Gate need work, visits can be combined. You’ll have a fixed quote before work starts.

  1. The sealant type is chosen for the joint first, then the colour.
  2. We compare your RAL reference or sample with the colours made for that sealant.
  3. Where colour is critical, a sample bead can be agreed in a discreet spot.
  4. We take out the existing bead, clean the joints and fit backing.
  5. We apply the agreed colour and tool it neatly, with masking where the finish needs it.

What we need from you

  • Make sure the joints can be reached
  • Tell staff and tenants when we will be in
  • Share the asbestos register for older buildings

Getting a fixed quote

If there’s a specification, drawings or a tender package, send it with your enquiry, and we’ll price the work to it. For smaller jobs, photos and a description will do.

Get a quick quote

Related advice

Questions we are asked in Lee Gate

Can you work at a site such as Station Approach Business Park, by Lee Gate?

Yes. Estates, retail parks and business parks around Lee Gate, Station Approach Business Park among them, are all within reach. A few photos and the unit address let us price the work.

Can the sealant on our Lee Gate premises match the finishes?

Yes. Colour matching to frames, cladding, stone and shop-fit finishes is a regular part of the work. Send colour references or photographs and we’ll confirm what’s available for the product.

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.

What do you charge?

Every job gets its own fixed quote. To get one, call 01277 525 020 or email the details over with a description of the work.

How do you deal with asbestos in old sealant?

Managing asbestos is the dutyholder’s responsibility, so for older buildings we ask for the asbestos register first. If anything suspect turns up, we stop until it’s tested.

Do you hold CHAS accreditation?

Yes. We are CHAS accredited and a Constructionline member, which helps with supplier vetting.

When can you be on site?

Mention the site’s hours and access windows in your enquiry, and we’ll schedule the work to suit. Our office runs Monday to Friday, 8am until 5pm.

General trades versus a specialist

Site maintenance staff can often handle a short internal joint. The usual problems come from preparation: new sealant over old, damp or dusty faces, or the wrong product for the movement.

What you see is the finished bead, but most of the work is hidden. Correct depth, the right primer and a sealant matched to the movement are where general trades tend to cut corners.

Different surfaces, different methods

Natural stone

Stone has variation, so the aim is a colour that sits naturally against it. A stone-compatible, neutral-cure sealant avoids staining in the closest available colour.

Cladding panels

Panel joints form a grid on the facade, so colour matters. We pick a facade-grade sealant in a shade that sits with the panels, suited to the expected movement.

When to call us in Lee Gate

Older sealant changes colour over time. Sunlight, dirt and pollution can darken, yellow or chalk the surface. A reseal brings the colour back in line.

Look out for the following:

  • Colour changes after a rebrand or refit
  • Stained or mouldy coloured joints in washrooms
  • Poorly tooled joints on visible finishes
  • Coloured joints that have cracked with movement

Offices and shops close to stations such as Wendover station (to the north-west of Lee Gate) tend to be busy all day, so sealant work is planned around opening hours.

What your quote should include

  • How they’ll work around occupants
  • Will failed sealant be removed rather than covered?
  • What site paperwork they can supply
  • The terms of the workmanship guarantee

Questions to ask before you appoint anyone

Accreditations

Trusted. Accredited. Insured.