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

Coloured Sealant contractors in Sunnymead

Coloured and colour-matched sealant for visible joints in Sunnymead. CHAS accredited and fully insured, with a 12-month guarantee.

  • Weathered sealant that no longer matches
  • Joints that need to match a new RAL frame colour
  • Failed coloured sealant that has split or peeled
1
Send details
Tell us about the site, with photos if you have them.
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.
London, the South East & Scotland
CHAS & Constructionline
Fully insured: £5m PL

Need coloured sealant in Sunnymead?

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

About our coloured sealant in Sunnymead

Coloured sealant is a finishing trade, so it typically comes late in a programme. Adjacent finishes are masked and protected while we work. A 12-month guarantee covers our workmanship. The enquiries we see most involve patch repairs in several different colours and marked sealant in hotel bathrooms, across office fit-out finishes, natural stone and brick and shop-fit joinery and counters. Facilities teams, main contractors and managing agents in Sunnymead tend to want the same three things: a clear scope, tidy work and joints that don’t fail again.

Places like Sunnymead tend to have a handful of commercial buildings: a local shop, a pub or restaurant, a surgery, a school and the odd office or workshop. They’re not big jobs one by one, but their joints need the same preparation as anywhere.

Our 12-month guarantee is about workmanship, not wear and tear. How long a sealant joint lasts depends on movement, exposure, cleaning and use, so we’re clear about what is covered before work starts.

Location
Sunnymead (OX2)
Region
Oxfordshire
Cover
12 months on our workmanship
Quote
Fixed quote, scope in writing
Call
01277 525 020
Last updated
3 November 2026
Mastic Doctor team members lined up next to their branded vans outside an office building

Owners, agents and contractors

Hospitality, education, healthcare, office and retail clients come to us directly as well. We plan around the way the building is used, so guests, pupils, patients or staff are disturbed as little as possible.

Main contractors use us as their sealant subcontractor on new-build and refurbishment projects. Programme, specification and site rules come first, with CSCS-carded applicators on site.

Working on commercial sites near Sunnymead

Central London is about 54 miles from Sunnymead. The South East around the capital has large numbers of business parks, offices and retail centres, especially around the motorway corridors. Multi-site occupiers here often want one sealant contractor across all their buildings. At least three named trading, business or retail sites lie within about 3 miles of Sunnymead. Tenant changes on such sites bring fit-outs, and fit-outs bring new joints.

For a shop at a centre such as Clarendon Shopping Centre (2.3 miles south of Sunnymead), tidy joints at counters and displays matter as much as the fixtures. Shops and cafés around stations like Oxford Parkway station (to the north of Sunnymead) trade from early, so work is timed around them.

Sunnymead is about 3 miles north-west of Oxford, in Oxfordshire. If you’re looking for coloured sealant in Sunnymead, we can help, as we do across Oxfordshire. Sunnymead is one of 423 places we cover in Oxfordshire.

Work on colour-matched joints is covered throughout OX2, for business premises of every kind. Streets here include Wren Road, Scott Road and Wyatt Road, and sites on any of them can send details for a fixed quote. You will find Sunnymead on or near the A4165. Sites close to Sunnymead are covered too, including Cutteslowe (1 mile north), Summertown (1 mile south), North Oxford (1 mile south), Wolvercote (1 mile west) and Park Town (1 mile south). Further afield, our area takes in Oxford (3 miles south-east), Didcot (12 miles south), Bicester (9 miles north-east), Abingdon-on-Thames (7 miles south), Witney (10 miles west) and Carterton (14 miles west).

Near you in Sunnymead

We work on buildings around St Hugh's College Main Building Including Library, Oxford University Parks and Dew Drop Inn. Nearby too are Summer Fields School (0.5 miles south) and Oxford Academy (0.7 miles south). Sunnymead’s nearest station is Oxford Parkway station, about 1.4 miles north of the centre. Nearby you’ll also find Oxford Castle (2.3 miles south) and Oxford University Museum of Natural History (1.8 miles south). Not far away are Hook Meadow and The Trap Grounds and Headington Hill.

Map of Sunnymead © OpenStreetMap contributors

On site: what to expect

We bring the products specified for the job, along with primers and backing rod. Any old material is cut back to clean, sound faces, primer goes on where the manufacturer specifies it, and the sealant is tooled off neatly. For a job in Sunnymead, the main thing is a clear picture of the work, so send photographs of each area. You will then get a fixed price for the work.

  1. We confirm the joint type and the product it needs.
  2. We compare the target colour with the colours available.
  3. You approve the colour, on site if it’s critical.
  4. The existing bead comes out, then faces are cleaned and backed.
  5. Edges are masked and the coloured sealant applied and tooled.
  6. We remove the masking and walk the finished joints with you.

What we need from you

  • Let us know about inductions and permits
  • Share your working hours and any access restrictions
  • Explain the parking and delivery arrangements

Getting a fixed quote

Quotes are fixed against the scope you send, so the cost is agreed before work starts. To ask for one, speak to us on 01277 525 020 or email a schedule or drawings.

Get a price

Read more

When something else is needed

Our job is the joint, not everything around it. On its own, sealant can’t deal with:

  • Overpainting a joint that needs a non-paintable product
  • Repairing damaged frames or cladding
  • Preventing all fading from sunlight and weathering

Not sure which it is? You can ring 01277 525 020 or email drawings and photos and we will tell you honestly before you book.

Surfaces we seal

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

After the work

Your facilities or cleaning team can help the joints last. Share these points with them:

  • Look at the cured colour before the full run
  • Insist on the agreed colour for any repair
  • Plan full-run reseals on visible elevations
  • Clean coloured joints with mild products

Don’t let anyone patch a coloured joint with whatever sealant is to hand. A mismatched repair stands out.

Put the sealant colour into the specification or finishes schedule. Late decisions lead to substitutes and mismatches, so agree it with the designer at the start.

What happens if it’s left?

People notice sealant lines more than you might expect. Putting it right costs little compared with the finishes around it. Sealant hardens, cracks and loses grip with age, UV and movement. Renewing it in good time keeps the building weathertight.

The work involved drives the cost: removing old material, preparing the joints, the product, the access and how the work is phased. Call for a quote and we’ll explain how it’s made up.

Why us?

  • Specification-led, product-correct work
  • One number for every site we cover
  • Constructionline member
  • Clear, fixed quotes

See what affects the cost or our accreditations.

Common problems we fix in Sunnymead

On some projects the colour was never agreed, or a different product was swapped in. It seals fine but catches the eye.

Site and facilities staff are often the first to spot these:

  • Fit-outs with a sealant colour in the specification
  • Poorly tooled joints on visible finishes
  • Sealant that no longer suits recoated frames
  • Dirty, discoloured joints in public areas

For a hotel such as Remont Oxford Hotel (less than half a mile west of Sunnymead), the colour of a joint at the bar or the bath matters to the look of the room.

Questions to ask before you book

  • Health and safety accreditation such as CHAS
  • How the existing material will be dealt with
  • How joint depth will be controlled
  • The terms of the workmanship guarantee

How to choose a sealant contractor

Your questions answered

Is Jordan Hill Business Park, near Sunnymead, within your area?

Yes, sites like Jordan Hill Business Park are within our area, along with the rest of Sunnymead. To start, just call the office on 01277 525 020 or send photos by email with the unit, the joints involved and your access times.

Is Sunnymead off your patch?

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

Can you work to a RAL reference?

Yes. We compare the RAL reference with the colours made for the specified sealant. We will tell you which colour is closest.

Do you use coloured sanitary silicone?

Yes, where the product range allows. Coloured sanitary sealant suits tiled and stone wet areas in commercial interiors.

Are you CHAS accredited?

Yes. CHAS accredited, Constructionline member, and our applicators hold CSCS cards.

Will you just go over the old sealant?

No. We cut the old material out and clean the joint back before sealing, since fresh sealant will not bond reliably to aged material.

Can you work to our specification?

Yes. We follow the specification, along with the manufacturer’s installation guidance.

Accreditations

Trusted. Accredited. Insured.