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

Sealant specialists in Newbury's

Sealant work for offices, shops, hotels and other commercial buildings in Newbury's and across East Sussex. CHAS accredited and fully insured, with a 12-month guarantee.

  • Damp patches where an external joint has failed
  • Weathered facade sealant that no longer flexes
  • Frame mastic that has hardened and come away from the wall
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
CSCS-carded applicators, the right product for each joint.
4
Guaranteed
Backed by a 12-month workmanship guarantee.
London, the South East & Scotland
CHAS & Constructionline
£5m public liability

Need commercial sealant contractors in Newbury's?

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

What sealant work can’t fix

A few problems need another trade or a different fix, and we say so rather than covering them up:

  • Suspect materials that need testing and specialist removal
  • Leaking roofs, gutters or flat-roof membranes (those need a roofer)
  • Faulty windows rather than failed perimeter sealant

If you are not sure, just call 01277 525 020 or send details through our quote form and we’ll give you a straight answer before you book.

Where we work in Newbury's

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

Sealant applicators in Newbury's

Getting a price for commercial sealant contractors in Newbury's doesn’t need to be drawn out. Send photos, drawings or a schedule of the joints through our quote form and you can also speak to us on 01277 525 020 or email the details over to talk it through. Where the photographs don’t tell the full story, we arrange a site visit, and a fixed quote for the agreed scope follows. If you are dealing with window and door perimeter joints that have cracked open and layers of sealant, all of them failing, we can put it right. Most enquiries from Newbury's start with one failed joint and grow into a wider look at the building: we look at the rest while we are there and tell you what we find.

In an occupied building in Newbury's, the job is planned so areas stay in use: washrooms in turn, floors in sections and entrances kept open.

Rural business units near smaller places such as Newbury's are frequently converted agricultural buildings. Their mix of old walls with new frames, partitions and floors means many joints between unlike materials.

Every job is signed off with a 12-month guarantee. The promise is simple: if our work fails within that year, we put it right.

The Mastic Doctor team beside their liveried vans in front of an office building
Location
Newbury's (TN5)
Wider area
East Sussex
Guarantee
A 12-month guarantee
Price
Fixed quote, scope in writing
Phone
01277 525 020
Last updated
3 November 2026

Questions about Newbury's

Is Newbury's too small for you to travel to?

No. Small places get the same service as large ones. We work across Greater London and the South East. Good photos up front let us bring everything on the first visit.

Do you cover business parks and estates near Newbury's, such as Durgates Industrial Estate?

Yes, sites like Durgates Industrial Estate are within our area, along with the rest of Newbury's. To start, just give us a call on 01277 525 020 or email us with the unit, the joints involved and your access times.

Will your applicators have CSCS cards?

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

Can you supply RAMS and insurance details?

We confirm documents at quote stage: most clients ask for RAMS, our insurance certificate and CSCS details. Our applicators are CSCS-carded.

Is your work guaranteed?

A 12-month guarantee covers the workmanship, starting at sign-off. Looking after the joints as we advise helps them last.

Can you handle sealant work across several sites?

Yes. We take on runs of jobs across portfolios as well as single sites.

How long does a job like this take?

We plan the time on site around your programme and access. You will have an expected duration with the quote.

Sealant on show in Newbury's’s commercial buildings

At about 35 miles from central London, Newbury's is within reach of the capital. The commuter belt holds a great many offices, retail parks and business parks. Multi-site occupiers here often want one sealant contractor across all their buildings. The South East is one of the drier parts of the UK. Even so, outside sealing waits for a dry joint, and cold, damp mornings can delay it.

On estates like Durgates Industrial Estate, which lies south-west of Newbury's, the office and welfare end of each unit has its own sealant to maintain.

Newbury's is about 5 miles south-east of Royal Tunbridge Wells, in East Sussex. Commercial clients in Newbury's use us for work on sealant joints. We work across 308 places in East Sussex, large and small. There’s a separate page for Brighton, about 27 miles away.

Commercial sites across TN5 are covered for sealant joints. Sites close to Newbury's are covered too, including Cousley Wood (1 mile south-east), Pell Green (1 mile south-west), Wadhurst (1 mile south-west), Birchett's Green (2 miles south-east) and Shover's Green (2 miles south). A short drive away, we cover Crowborough (8 miles west), Uckfield (13 miles south-west), Heathfield (9 miles south-west), Upper Horsebridge (15 miles south), Hellingly (14 miles south) and Battle (13 miles south-east).

Near you in Newbury's

Around Newbury's, our work takes us to commercial buildings near The Old Vine Public House and the streets around them. The nearest railway station is Wadhurst station, roughly 1.9 miles west of the centre. Other landmarks nearby include Ticehurst House Hospital (2.9 miles south-east) and Finchcocks Musical Museum (3.5 miles north-east). Not far away are Bewl Water.

Map of Newbury's © OpenStreetMap contributors

When to call us in Newbury's

No sealant joint is permanent. How long one lasts depends on the movement it takes, its exposure to sun and weather, the cleaning regime, the traffic and the product itself. In commercial buildings those factors tend to act together, which is why regular inspection pays.

Look out for the following:

  • Layers of sealant, all of them failing
  • Damp patches where an external joint has failed
  • Sanitary sealant that has gone black and patchy
  • Frame mastic that has hardened and come away from the wall

For premises near Wadhurst station, which lies west of Newbury's, footfall is part of the plan: work is phased so shops and offices keep trading.

Questions to ask before you book

  • How long is the guarantee, and what does it include?
  • What level of public liability insurance do they hold?
  • Their plan for phasing and protecting the area
  • Is the sealant right for the movement and the substrate?

Questions to ask before you appoint anyone

Why act early in Newbury's

On many buildings the mastic was done by whichever trade was on site. Choosing the product, setting the depth and preparing the faces are what a specialist brings, and they’re where most failures begin. You notice the difference years later, not on the day. Around Newbury's, it’s better to renew all the failing joints at once. Send photos of each area and we’ll quote for the lot.

Access can matter as much as the joints themselves: joints within easy reach take less time than ones that need access equipment. Tell us how the joints are reached and call for a quote.

Why us?

  • One contact handling all your sites
  • Constructionline member
  • Colours confirmed for the specified product
  • Commercial sealant work since 2005

See our cost guide or our accreditations.

Our process

Site rules come first: sign-in, induction and whatever permit system the building uses. Once we’re cleared to begin, we take the joints in the sequence agreed with you. Jobs in and around smaller places like Newbury's are typically planned as a single visit, so photographs and measurements up front really help. Then the right materials arrive with us.

  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. We agree the order of work, access windows and site hours with you.
  4. The failed sealant comes out and the faces are prepared, with primer where required.
  5. Backing goes in, the new sealant is laid and tooled, and the area is left neat.
  6. We hand back each area with its cure time and our 12-month guarantee.

Getting the site ready

  • Send asbestos survey details if the building is pre-2000
  • Point out any areas we must not close
  • Share your working hours and any access restrictions

Get a fixed quote

The quickest route to a quote is a few photos and the site postcode. Send them through the quote form, or call 01277 525 020 or email the details over to discuss it first.

Get a quick quote

Related advice

What the job involves on each surface

Movement joints in walls and floors

Brickwork, blockwork and floor slabs all have movement joints that need a flexible seal. When the seal fails, debris gets in and the joint stops working. The new sealant is chosen for the movement and, on floors, the traffic.

Window and door perimeters

Inside, cracked sealant around frames and window boards is common. The product depends on whether the joint will be painted.

For managing agents and facilities managers

Housing associations and managing agents often need work done across blocks and communal areas. We phase the work so people keep access, with each stage agreed with your site contact.

For main contractors, we work as the sealant subcontractor. We work to your programme, your specification and your site rules.

Accreditations

Trusted. Accredited. Insured.