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

Sealant specialists in Fernham

Work needed on a sealant joint in Fernham? We assess it, carry out the work and guarantee our workmanship for 12 months.

  • Hardened, chalky sealant on south-facing or exposed elevations
  • Mouldy silicone around WCs, urinals and vanity tops
  • Window and door perimeter joints that have cracked open
1
Send details
Tell us about the site, with photos if you have them.
2
Get a quote
Scope agreed and priced before anything starts.
3
We seal
The right sealant, to the right depth, neatly finished.
4
Guaranteed
12-month guarantee on our workmanship.
London, the South East & Scotland
Constructionline member
Fully insured: £5m PL

Commercial sealant contractors for businesses in Fernham

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

Commercial clients in Fernham

We work for building owners and managing agents on everything from one building to a spread of sites. Several sites can go on one quote, so there’s one set of paperwork to deal with.

Housing associations and managing agents often need work done across blocks and communal areas. Work can be phased so residents and staff keep access throughout, with each stage agreed with your site contact.

Sealant applicators in Fernham

Sealant joints are easy to overlook until one lets water in. We are commercial sealant applicators for FMs, managing agents, landlords and contractors with sites in Fernham. Our job is to diagnose the failure, remove the old bead and seal again using a product chosen for the movement and exposure. If you’re dealing with movement joints packed with grit and debris and mouldy silicone around WCs, urinals and vanity tops, we can put it right, whatever the surface. Sealant contractors, mastic applicators, sealant specialists: whatever the job title on the order, the work in Fernham is the same: failed joints cut out, faces prepared and the right sealant laid to the right depth.

On a typical commercial building in Fernham, the joints that fail first are the hardest-worked ones: south-facing perimeters, entrance thresholds and busy washrooms.

Work in smaller places such as Fernham tends to come one building at a time: a pub kitchen, a hall, a small office. We plan the visit so everything on the list is done in one go, with the right products and colours on hand.

We stand behind the joints we seal with a 12-month guarantee. It covers how we prepared and applied the sealant, and we come back if anything isn’t right.

Location
Fernham (SN7)
Wider area
Oxfordshire
Cover
A 12-month guarantee
Price
A fixed quote before we start
Telephone
01277 525 020
Page updated
3 November 2026
The Mastic Doctor team beside their liveried vans in front of an office building

What affects the price in Fernham

The price varies from site to site. It mainly depends on:

  • Removal of failed or old sealant
  • The total length or number of joints
  • The size and state of each joint
  • Working within restricted access windows

Pricing sealant joints depends on quantities, condition and access. Ask us for a fixed quote.

Sending details for a quote

Diagnosis starts before we arrive. Tell us:

  • Approximate linear metres or a joint schedule
  • Any dates the work must fit around
  • The asbestos register, for older buildings
  • The site address and postcode

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

How a job runs

At the end of each section, we remove the tape, clean down and inspect every joint with your site contact. If an area should be left alone while the sealant cures, we say how long and put signs out. Smaller jobs around Fernham can be grouped with others nearby, which keeps travel down. A fixed quote is given before anything starts.

  1. Site photos, drawings or a visit tell us what’s there and how it has failed.
  2. A fixed quote follows, with removal and preparation included.
  3. Sequence, access and working times are settled before the first joint is touched.
  4. Each joint is stripped, cleaned back to sound faces and primed where the maker specifies.
  5. Depth is set with backing, then the sealant is applied, tooled and the area tidied.
  6. We hand back each area with its cure time and our 12-month guarantee.

Getting the site ready

  • Arrange parking or a loading space
  • Tell us what induction or permit system the site runs
  • Share your working hours and any access restrictions

Get a fixed quote

We quote a fixed sum against the scope you give us, so you know the figure before anyone is on site. To ask for one, phone 01277 525 020 or email drawings and photos.

Ask for a quote

Read more

Common questions from Fernham clients

Can you match sealant colours for premises in Fernham?

Yes, sealants come in a wide range of standard colours, and matching to RAL references, cladding, stone or frames is a common request. Available colours for the product are confirmed with the quote.

Is a smaller place like Fernham outside your area?

No. Small places get the same service as large ones. Our area covers London and the South East counties. Good photographs up front let us bring everything on the first visit.

Can areas stay open during the work?

It’s mostly about sequence: we agree access windows, phase the work and keep enough facilities open. Let us know what can’t close and we’ll work around it.

Is failed sealant stripped out, or sealed over?

The old bead is stripped out first. Then the joint is cleaned, primed where the maker specifies, backed to depth and resealed.

Is your work guaranteed?

Our workmanship on each job is backed by a 12-month guarantee. Public liability insurance is in place too.

Will your applicators have CSCS cards?

Yes. Should the site need card details in advance, let us know and we will send them with the quote.

Do you check for asbestos before removing sealant?

It’s possible in older buildings, especially those built before 2000. We ask to see the asbestos register or survey before disturbing old sealant, and anything suspect is left until it has been tested.

Surface by surface

Window and door perimeters

Internally, window boards and frame edges often have decorators’ caulk or silicone that has cracked. The product depends on whether the joint will be painted, in a shade that suits the frame.

Washrooms and toilets

Washroom joints take water, cleaning chemicals and constant use. We cut out mouldy or split beads and reseal in anti-mould sanitary silicone, phasing the rooms so not every toilet is closed at once.

Honest limits

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

  • Leaking roofs, gutters or flat-roof membranes (those need a roofer)
  • A dripping trap, valve or pipe behind a fitting
  • Misted, cracked or failed glazing units (a glazier’s job)

If you are not sure, just phone 01277 525 020 or use the quote form and we will give you a straight answer before you book.

Where we work in Fernham

  • Washrooms and tea points
  • External facade joints
  • Kitchen worktops and splashbacks
  • Movement joints in walls and floors
  • Floor and threshold joints
  • Window and door perimeters

Aftercare for building managers

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

  • Deal with small splits before they become leaks
  • Keep washroom and kitchen extraction working
  • Check the asbestos register before anyone disturbs old sealant in an older building
  • Log reseals in the O&M or maintenance records

Put sealant on the planned maintenance checklist. Regular checks pick up small failures before they become leaks, especially on exposed elevations and in washrooms. If anything looks wrong, ring 01277 525 020 or email the details over with a photo.

Sealant installed at the same time typically fails in sequence. A few splits this year typically mean more next year. We will tell you which sealant joints need doing first and which can wait.

Sealant on show in Fernham’s commercial buildings

The 3 miles around Fernham take in at least three named trading estates, business parks or retail parks. Each new occupier on a park like these tends to refit, from reception to staff kitchen. The South East is one of the drier parts of the UK. That helps, but frost and condensation on glass and coated frames still stop outside sealing on some winter mornings.

If you have premises on more than one site, say at Faringdon Business Park and Stanford in the Vale Business Park, one contractor and one quote can cover both. Parks like Faringdon Business Park (to the north-west of Fernham) see tenants come and go, and every move-in brings joints to seal.

Fernham is about 7 miles west of Wantage, in Oxfordshire. Commercial clients in Fernham can call on us for sealant joints. We work across 423 places in Oxfordshire, from busy centres to rural villages. We also cover Oxford, around 17 miles from Fernham.

If you need commercial sealant contractors in SN7, the process matches everywhere else we work: details, then a fixed price, then sealing and a 12-month guarantee. Among the streets we cover are High Street, Church Lane and The Green, and sites on any of them can send details for a fixed quote. Sites close to Fernham are covered too, including Little Coxwell (1 mile north-west), Baulking (2 miles south-east), Uffington (2 miles south-east), Shellingford (2 miles north-east) and Faringdon (2 miles north). Bigger towns within reach include Didcot (14 miles east), Abingdon-on-Thames (13 miles east), Witney (12 miles north), Carterton (10 miles north), Wantage (7 miles east) and Grove (7 miles east).

What’s near Fernham

Other landmarks nearby include Faringdon Castle (2.4 miles north) and Uffington Museum (1.8 miles south). Not far away are Badbury Hill.

Map of Fernham © OpenStreetMap contributors
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