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

Highmoor Cross facade sealing

Facade sealing in Highmoor Cross, backed by over 20 years in commercial sealing. Fully insured and CHAS accredited.

  • Sealant pulling away from frames or panels
  • Leaks at window and door perimeters
  • Discoloured or dirty facade joints
1
Send details
Drawings, photos, a joint schedule or a site visit.
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.
South East, London & Scotland
Constructionline member
Fully insured: £5m PL

Facade sealing for Highmoor Cross sites

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

How we handle facade sealing in Highmoor Cross

Access is part of every facade job, and we plan it with you before quoting. Tell us about access: whether scaffold is already up, what the client is arranging, and any restrictions on the site. We work on perimeter joints where frames meet the structure, window and door perimeters and cladding panel joints, and what we are called in for most is leaks at window and door perimeters and perimeter joints where frames meet the structure. Whether you call it commercial sealant work, mastic application or joint sealing, the work in Highmoor Cross is the same: failed joints cut out, faces prepared and the right sealant laid to the right depth.

Conversions of older rural buildings near smaller places such as Highmoor Cross bring stone, flint, brick and timber up against new glazing. Those joints need a sealant that suits an uneven, sometimes porous surface, and often a colour chosen for the building.

Whoever the client is, the cover is the same: twelve months on the work we carried out. Faults in the structure, damage and other trades’ work fall outside it, and we say so plainly.

Where
Highmoor Cross (RG9)
Wider area
Oxfordshire
Cover
A 12-month guarantee
Quote
Quoted before any work starts
Telephone
01277 525 020
Page updated
3 November 2026
The Mastic Doctor team beside their liveried vans in front of an office building

What sealant work can’t fix

Sealant solves a lot, but not everything, and we’d rather tell you before you spend money. It won’t fix:

  • Damp caused by condensation inside the building
  • Replacing glass or failed glazing units
  • Joints whose design needs changing by the specifier

If you’re not sure, just phone 01277 525 020 or email a schedule or drawings and we will give you a straight answer.

Surfaces we seal

  • Coping and flashing joints
  • Cladding panel joints
  • Shopfront frames
  • Perimeter joints where frames meet the structure
  • Window and door perimeters
  • Stone and brick facade joints

Work for main contractors and building owners

Planned maintenance programmes are welcome: resealing failed joints building by building, on a schedule that suits your budget. Sites in Highmoor Cross can sit alongside others in a wider programme across Oxfordshire.

When you manage a building on behalf of an owner, you need clear quotes and clear reporting. You get a fixed quote, an agreed scope and a walk round at the end, plus a 12-month guarantee.

Questions about Highmoor Cross

Do you cover business parks and estates near Highmoor Cross, such as Vanalloys Business Park?

Yes, sites like Vanalloys Business Park are within our area, along with the rest of Highmoor Cross. Send details of the unit and the work through our quote form for a quick quote.

Is Highmoor Cross too small for you to travel to?

No. Small places get the same service as large ones. We cover Greater London and the counties of the South East. Send photos and a list of what needs doing, and we will plan the job to need as few trips as possible.

How long do sealant joints last?

Nobody can honestly give a figure in years, since movement, weather, cleaning and use all affect it. Regular checks let you plan resealing before leaks or damage.

How is access to upper-level joints handled?

That comes down to the access arranged for the job. Share what access exists or is planned when you send details, and we’ll agree the approach together.

Can you fit around our working hours?

We’re in the office from 8am until 5pm, Monday to Friday. Let us know your site hours and access windows, and the work will be planned around them.

Do we need an asbestos check before resealing?

In older non-domestic buildings, old sealant can contain asbestos. Check the asbestos register or survey before it is disturbed, and if anything is suspected, we stop until it’s tested. Removal of asbestos isn’t something we do.

Is the work guaranteed?

Yes, for 12 months. If a joint fails because of how we installed it, we come back and put it right.

Sites and facades in and around Highmoor Cross

Highmoor Cross is in the South East, one of the UK’s drier regions. That doesn’t stop wet spells, or frosty starts that leave panels too damp to seal, so external mastic is timed for workable conditions and agreed with the site manager. Highmoor Cross is about 39 miles from central London. Building activity in the commuter belt runs from new flats near stations to business park refurbishments, which keeps mastic packages in demand.

For contractors refurbishing units at places like Vanalloys Business Park, 1.3 miles west of Highmoor Cross, the mastic covers cladding panels, roller-door and window perimeters. Historic houses such as Greys Court (1.6 miles east of Highmoor Cross) are a reminder of the older buildings in the wider area, where sealing against old stone, brick or timber needs compatible products.

Highmoor Cross is about 5 miles north of Caversham, in Oxfordshire. Businesses, contractors and managing agents in Highmoor Cross can call on us for facade joints. 423 places across Oxfordshire fall within our area, Highmoor Cross among them. Sites around Reading have their own page, about 7 miles away.

Business premises anywhere in RG9 are within our area. If your site is on Holly Close and The Glebe or close by, send details and we will quote for facade joints. If your building is just outside Highmoor Cross, we cover Highmoor (1 mile north-west), Shepherd's Green (1 mile south-east), Kingwood Common (1 mile south), Catslip (1 mile north) and Nettlebed (2 miles north). Bigger towns within reach include Didcot (12 miles west), Abingdon-on-Thames (15 miles north-west), Thame (13 miles north), Henley-on-Thames (4 miles east), Benson (7 miles north-west) and Chinnor (11 miles north).

Around Highmoor Cross

In Highmoor Cross, that means premises near The Dog and Duck pub, among other places. The closest station to Highmoor Cross is Henley-On-Thames station, roughly 4.1 miles east of the centre. Open spaces near Highmoor Cross include Warburg Nature Reserve.

Map of Highmoor Cross © OpenStreetMap contributors

Diagnose, treat, sign off

Before we leave any area, we remove the tape, clean down and inspect every joint with your site contact. Where the sealant needs time to cure before use, we tell you and sign the area. Rural sites near Highmoor Cross may need directions, gate codes or a contact on site. Add it to your enquiry and we’ll build it into the plan.

  1. Photos, drawings or a visit tell us about the joints and the access.
  2. We confirm the joint type, movement and the specified product.
  3. The existing bead comes out in full.
  4. Primer goes on where the product data asks for it.
  5. Backing rod is fitted and the new sealant gunned in and tooled.
  6. The finished joints are checked with you.

What we need from you

  • Let building users know which areas are affected
  • Clear stock, furniture or equipment away from the joints
  • Explain the parking and delivery arrangements

Request a quote

Every job follows the same four steps: send details, get a quote, we seal, guaranteed. The first step is to call the office on 01277 525 020 or send photos by email with what you know.

Get a price

Related advice

What the job involves on each surface

Precast concrete panels

Precast arrises sometimes crumble or carry old residue. Faces are cleaned to sound concrete, and damaged edges are reported.

Coping and flashing joints

Where the specification calls for sealant at copings or flashings, we can seal them. These joints take full exposure to weather, so preparation and product choice matter.

Cost factors for facade joints

There’s no standard rate for sealant work, since sites vary so much. What we look at:

  • The size and state of each joint
  • How accessible the joints are
  • Induction, permit and paperwork requirements
  • Location, for remote and island sites

Quantities, awkward access and phased working all shape the price. Site requirements like inductions and permits play a part as well.

What we need to price the job

For an accurate fixed quote, we need to understand the site. Useful things to include:

  • Access details, including height
  • Whether an asbestos survey exists
  • Any dates the work must fit around
  • Rough lengths or quantities, or drawings if you have them

We quote a fixed sum against the scope you give us, so you know the figure before anyone is on site. To start the process, phone 01277 525 020 or use the quote form.

When to bring in a specialist

Redoing a failed joint typically costs more than getting it right at the outset, since all of it has to come out and the faces be cleaned back again. That’s why many clients bring in a specialist from the beginning.

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.

Accreditations

Trusted. Accredited. Insured.