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

Mastic sealing for building owners and managing agents in Winterbourne, Kent

We carry out mastic sealing for building owners, managing agents and housing associations in Winterbourne. Send photographs or drawings for a fixed quote.

  • Draughts at frames across a block
  • Damaged joints in communal entrances and corridors
  • Old repairs sealed over failed mastic
1
Send details
Photos, drawings or a schedule, or we visit.
2
Get a quote
Scope agreed and priced before anything starts.
3
We seal
Failed joints cut out, faces prepared, new sealant laid.
4
Guaranteed
Backed by a 12-month workmanship guarantee.
London, the South East & Scotland
CHAS & Constructionline
£5m PL insurance

Need mastic sealing in Winterbourne?

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

Blocks and managed buildings in Winterbourne

Winterbourne lies roughly 48 miles out from central London. Managed blocks of flats are a big part of commuter-belt property. Winterbourne sits in one of the drier corners of the country, the South East. Outside work still depends on dry joints, while the elevations that take the most sun tend to show hardened mastic first.

If you look after a block within reach of Selling station, which lies south-west of Winterbourne, frame and balcony mastic can be renewed on one programme. If you are responsible for a building such as Christ Church, frame and door mastic needs the same attention as any other property.

Winterbourne is about 4 miles south-east of Faversham, in Kent. Any commercial site in Winterbourne is covered. Our Kent coverage takes in 931 places. Our London page has more on work in that area, about 48 miles away.

We cover the ME13 postcode districts. Close to Winterbourne, our area also takes in Hickmans Green (1 mile north-west), Oversland (1 mile south-west), South Street (1 mile west), Boughton under Blean (1 mile north) and Crouch (1 mile west). Further afield, our area takes in Ashford (11 miles south), Canterbury (5 miles east), Sittingbourne (11 miles north-west), Whitstable (6 miles north-east), Faversham (4 miles north-west) and Herne Bay (9 miles north-east).

What’s near Winterbourne

We work on buildings around The Queens Head pub and Mount Ephraim Gardens, among other places. The closest station to Winterbourne is Selling station, about 1 mile south-west. Nearby you will also find Chilham Castle (2.9 miles south) and Eastbridge Hospital of St Thomas the Martyr (5.1 miles east). For a walk, there’s Blean Woods RSPB Reserve.

Map of Winterbourne © OpenStreetMap contributors

About our mastic sealing in Winterbourne

For blocks and buildings in Winterbourne and across Kent, the process is the same: you send details, we return a fixed quote, the joints are resealed and the 12-month guarantee follows. A list of buildings, a few photos and approximate joint numbers are enough for a quick quote, and site visits can be arranged. Most enquiries involve communal area joints that look neglected and water getting in round frames after rain, across shopfronts below residential blocks, window and door perimeters on blocks and balcony and threshold joints. Searching for sealant specialists in Winterbourne? We have been sealing commercial buildings since 2005.

In and around smaller places like Winterbourne, landlords and agents often look after small groups of housing association properties, converted farm buildings and community buildings. Frame and wall-joint mastic on all of them ages and hardens.

Every job ends the same way: guaranteed. Our workmanship is backed for 12 months, and we explain exactly what that covers when we quote.

Where
Winterbourne (ME13)
Region
Kent
Cover
A 12-month guarantee
Quote
A fixed quote before we start
Call
01277 525 020
Page updated
3 November 2026
The Mastic Doctor team beside their liveried vans in front of an office building

Doing it in-house

A short, simple internal joint is often within reach of a maintenance team. The usual problems come from preparation: sealing over old material, sealing onto damp or dusty surfaces, or a product that can’t take the movement.

General builders and handymen seal joints, but it isn’t their main trade. A specialist prepares properly, controls joint depth and picks a product with the right movement class.

What we are called out for in Winterbourne

Communal entrances and corridors see a lot of wear, with joints near the floor and around doors suffering most. Cleaning products add to the wear.

Typical triggers for a call:

  • Communal area joints that look neglected
  • Water getting in round frames after rain
  • A mix of products and colours from past repairs
  • The same joint failures repeated across a portfolio

Student accommodation around universities such as University of Kent (4.5 miles east of Winterbourne) is normally managed block by block, which suits a planned mastic programme.

What to look for in a quote

  • The terms of the workmanship guarantee
  • Is depth set with backing rod, or bond-breaker tape in shallow joints?
  • Can the work be phased to keep areas open?
  • Proof of insurance

Choosing a commercial sealant contractor

Different surfaces, different methods

Window and door perimeters on blocks

On most blocks, the frame-to-wall joint is where failure shows first. We remove the failed mastic, prepare the faces, add backing rod if the joint is deep and reseal.

Communal areas

Low-level communal joints get damaged more than most and tend to fail first.

How a job runs

We follow your site rules from the start: signing in, inductions and any permit to work. With the paperwork done, the joints are worked through in the order agreed with your site contact, and each area is checked before we leave it. For work around Winterbourne, we aim to finish in one visit, so photos and measurements up front really help. That way the right products come on the day.

  1. First comes a look at the joints and, for older buildings, the asbestos records.
  2. A fixed quote covers the joints, products and order of work.
  3. Failed mastic is removed completely.
  4. The joints are prepared and resealed with the right product.
  5. Buildings are completed in turn.

What we need from you

  • Send your site hours and access windows
  • Move anything stored against the joints
  • Tell us what induction or permit system the site runs

Quotes

If there’s a specification, drawings or a tender package, send it with your enquiry, and we will price the work to it. For smaller jobs, photographs and a description will do.

Get a quick quote

Read more

Quoting for work in Winterbourne

A fixed quote reflects the actual work. It takes account of:

  • The size and state of each joint
  • How much there is to seal
  • Which sealant the job calls for
  • Phasing around occupants

Access often affects the price as much as the sealing: 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.

Details that help us quote

The more we know, the firmer the quote. Helpful details to send:

  • What the building is and how it’s used
  • Where the site is, with the postcode
  • How the joints are reached, and at what height
  • Clear photos of the problem areas

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, give us a call on 01277 525 020 or use the quote form.

Common questions from Winterbourne clients

Will you take on a block within reach of Selling station?

Yes. Managing agents, landlords, property factors and housing associations are who this service is for. Photos of each elevation help us quote accurately.

Can you work at a site such as CMA Industrial Park, by Winterbourne?

Yes. Our area takes in Winterbourne and its surroundings, with estates and business parks such as CMA Industrial Park included. Send details of the unit and the work through our quote form for a quick quote.

Can you follow the specification on our project?

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

Can people stay in the building while you reseal?

We plan around people living or working in the building. Dates and areas are agreed with you so residents or tenants can be told and communal access is kept open.

How long before the joints can be used?

Curing time varies by product, and we confirm it on the day, and sign any area that should be left alone.

What paperwork can you provide?

Tell us what site paperwork you need (RAMS, insurance certificate, CSCS details) and we will confirm with the quote. We are CHAS accredited and a Constructionline member.

Is it fine to apply new sealant on top of old?

No. We cut the old material out and clean the joint back before sealing, because fresh silicone will not bond with aged silicone.

Owners, agents and contractors

CHAS accredited and a Constructionline member, we make supplier vetting simple. Our insurance certificate can be sent along with the quote.

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.

Accreditations

Trusted. Accredited. Insured.