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

Coloured Sealant in New Marston

We carry out coloured and colour-matched sealant for visible joints in New Marston. Send details for a fixed quote.

  • Dirty, discoloured joints in public areas
  • Failed coloured sealant that has split or peeled
  • Weathered sealant that no longer matches
1
Send details
Tell us about the site, with photos if you have them.
2
Get a quote
A fixed price, with what’s included set out clearly.
3
We seal
Prepared joints, the specified product, a tidy finish.
4
Guaranteed
Signed off, with 12 months’ guarantee.
South East, London & Scotland
CHAS & Constructionline
£5m PL insurance

Coloured sealant across New Marston

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

General trades versus a specialist

Paperwork matters too. Main contractors and clients often ask for CSCS cards, RAMS and insurance details, and our CSCS-carded applicators are used to working under those rules.

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 easy to get wrong without experience.

Coloured sealant in New Marston

Colour is often written into the specification, by RAL reference or by matching a sample. Standard sealant ranges cover many colours, and we will confirm the colours available for the specified product before we quote. An exact bespoke match can’t always be promised, so we talk you through the nearest colours. If you’re dealing with discoloured joints on a visible elevation and smeared sealant on stone or joinery, we can put it right. Whoever orders the work in New Marston, the brief is typically the same: a fixed quote, no surprises on site and a 12-month guarantee behind the result.

Around smaller places such as New Marston, small firms often work from converted barns, yards and rural units. Those conversions put new frames and partitions against old brick, stone or timber, so each joint needs a product chosen for both surfaces.

We stand by our work with a 12-month guarantee. That covers our preparation and application.

Mastic Doctor team members lined up next to their branded vans outside an office building
Where
New Marston (OX3, OX1, OX4)
Region
Oxfordshire
Cover
A 12-month guarantee
Price
Fixed quote, scope in writing
Phone
01277 525 020
Last updated
3 November 2026

What we are called out for in New Marston

Failed sealant still has to be dealt with, whatever its colour: splits, adhesion loss and hardening all happen. We cut out and reseal in the agreed colour.

Clients normally get in touch after noticing something like this:

  • Weathered sealant that no longer matches
  • Shop fits that need consistent sealant colours across sites
  • Previous reseals that don’t match the original
  • Stained or mouldy coloured joints in washrooms

If you run a unit on an estate such as Shotover Trading Estate (1.9 miles east of New Marston), the trade counter, offices and staff facilities have joints to look after as well as the warehouse.

Questions to ask before you book

  • Will CSCS-carded applicators be on site?
  • How long is the guarantee, and what does it include?
  • Are they CHAS accredited or on Constructionline?
  • Their approach to joint depth and backing

Questions to ask before you appoint anyone

Coloured sealant in New Marston: the local picture

New Marston sits in one of the drier corners of the country, the South East. That helps, but frost and condensation on glass and coated frames still stop outside sealing on some winter mornings. New Marston has seven care or nursing homes no more than 2 miles away. Care settings have kitchens, lounges and corridors where joints need to be neat and easy to clean; colours can be chosen to suit the interior.

A hotel such as Mount Pleasant Hotel, 1 mile east of New Marston, shows how much sealant a hospitality building has on show, from bathroom joints to the bar. Sites a few miles apart, such as Shotover Trading Estate and Osney Mead Industrial Estate, can share one programme and one point of contact.

New Marston is about 1 mile north of Oxford, in Oxfordshire. We cover New Marston, with the same fixed quotes and 12-month guarantee as everywhere else. Our Oxfordshire coverage takes in 423 places, large and small.

Commercial sites across OX3, OX1 and OX4 are covered. Buildings on Ferry Road, Croft Road and Copse Lane are within our area. If your building is just outside New Marston, we cover Headington Hill (1 mile south-east), Northway (1 mile north-east), Oxford (1 mile south), St Clement's (1 mile south) and Norham Manor (1 mile west). Bigger towns within reach include Didcot (11 miles south), Bicester (10 miles north), Abingdon-on-Thames (6 miles south), Witney (11 miles west), Carterton (15 miles west) and Thame (11 miles east).

Local landmarks in New Marston

In New Marston, that means premises near English Faculty Library, Cheney School and Headington Hill Park and the streets around them. Nearby too are Rye St Antony School (0.5 miles south-east) and White Horse pub (0.8 miles south-east). The closest station to New Marston is Oxford station, roughly 1.6 miles south-west of the centre. Well-known places in the area include Clarendon Shopping Centre (1.2 miles south-west) and Churchill Hospital (0.7 miles east). For a walk, there’s Headington Hill and CS Lewis Nature Reserve.

Map of New Marston © OpenStreetMap contributors

What affects the price in New Marston

These are the things that shape the price:

  • Distance, for remote addresses
  • Site requirements such as inductions and permits
  • Specialist products, such as fire-rated or hygienic sealants
  • Phasing around occupants

Larger quantities, tricky access or phasing all shape the price. Site requirements like inductions and permits play a part as well.

What we need to price the job

We can often quote from photographs and a few details. It helps to include:

  • When you need the work done
  • How the joints are reached, and at what height
  • Drawings or a marked-up plan, if available
  • The site address and postcode

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.

Keeping the joints sound

After handover, these steps help:

  • Avoid abrasive pads on coloured sealant
  • Put the colour reference on the finishes schedule
  • Use one colour standard across multi-site work
  • Don’t let trades patch coloured joints with a random sealant

Give the sealant its full cure time before cleaning or handling the area. Fresh coloured beads show fingerprints and dust more easily.

Use one product and colour reference across a building or brand. It keeps repairs and new sites consistent and easier to manage.

From enquiry to sign-off

We schedule the visit to fit the site hours and access windows you give us. While we’re working, the area stays contained and tidy, and we check in with your contact before moving on to each new area. What matters most for a job in New Marston is a clear list of what needs doing. A fixed quote follows.

  1. We confirm the joint type and the product it needs.
  2. We compare the target colour with the colours available.
  3. The nearest colour is agreed, with a sample bead where needed.
  4. The existing bead comes out, then faces are cleaned and backed.
  5. Edges are masked and the coloured sealant applied and tooled.
  6. Masking comes off and the work is checked with you.

What we need from you

  • Send any specification or drawings in advance
  • For older buildings, check the asbestos register before work
  • Share your working hours and any access restrictions

Get a fixed quote

Photos, drawings or a schedule of the joints are often enough for a fixed quote. Where a site visit makes more sense, we’ll arrange one.

Ask for a quote

Read more

Questions we are asked in New Marston

Will our hotel in New Marston need to close for the work?

Rarely, if ever. We take a few rooms out at a time. Housekeeping and our team agree each day’s rooms.

Can you work at a site such as Shotover Trading Estate, by New Marston?

Yes. We cover New Marston and the area around it, including industrial estates, business parks and retail parks such as Shotover Trading Estate. Send details of the unit and the work through our quote form for a quick quote.

Do you work to architects’ specifications?

Yes. Include it with the drawings when you ask for a quote, and we will price the work to it.

Can you work while the building is occupied?

Yes, with some planning. Tell us your site hours and access windows and we will plan around them.

Do you use coloured sanitary silicone?

Yes. Wet-area sealants are made in colours as well as white. We’ll confirm what’s available for the specified product and agree it with you.

Are your applicators CSCS-carded?

Yes. If you need card details for site access, let us know and we’ll send them with the quote.

Does weather matter for sealant work?

It can, when the joints are outside. Wet joints and cold, damp or frosty conditions stop the sealant bonding properly, so external work may be moved if conditions aren’t right. Indoors, the weather is rarely a problem.

Building owners, agents and FMs in New Marston

We take on planned maintenance as well as one-off repairs: working through a building or an estate in stages that fit your budget. New Marston can form part of a wider programme across Oxfordshire.

Agents, factors and owners’ representatives all follow the same route: send the details, accept a fixed quote, and we carry out and guarantee the work. Keys, access and contacts can be agreed in advance.

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