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

Mastic contractors in Sinkhurst Green

Work needed on a mastic package in Sinkhurst Green? We look at it, seal it with the right product and hand it over with a 12-month guarantee.

  • Existing joints on a refurb that need cutting out and resealing
  • Sanitary sealant damaged by following trades
  • Missed perimeter joints on a new elevation
1
Send details
Photos, drawings or a schedule, or we visit.
2
Get a quote
A fixed quote for the work, with the scope in writing.
3
We seal
Prepared joints, the specified product, a tidy finish.
4
Guaranteed
Our workmanship is guaranteed for 12 months.
London, the South East & Scotland
CHAS accredited
£5m PL insurance

Need construction mastic in Sinkhurst Green?

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

Mastic packages on Sinkhurst Green sites

Sinkhurst Green lies roughly 38 miles out from central London. Construction around the commuter belt mixes station-side flats with refurbished offices and units, so mastic packages have to keep pace with busy programmes. Rainfall across the South East, Sinkhurst Green included, is lower than in many parts of the UK. That doesn’t stop wet spells, or frosty starts that leave panels too damp to seal, which is why external dates are agreed with the site manager.

When a school such as Frittenden Church of England Primary School is extended or refurbished, the mastic package is often squeezed into the holidays. For contractors refurbishing units at places like Barradale Farm Industrial Estate, 2.2 miles to the north-east of Sinkhurst Green, the mastic covers cladding panels, roller-door and window perimeters. Hospital estates such as Benenden Hospital, 4.6 miles to the south of Sinkhurst Green, tend to grow and change in phases, often next to occupied wards, so facade and perimeter sealing has to fit the estates team’s plan.

Sinkhurst Green is about 8 miles south of Maidstone, in Kent. If you’re looking for construction mastic in Sinkhurst Green, we can help, as we do across Kent. We work across 931 places in Kent, from busy centres to rural villages. Sites around London have their own page, about 38 miles away.

If you need construction mastic in TN17, the process matches everywhere else we work: send details, get a quote, we seal, guaranteed. We also cover Frittenden (1 mile south), Knox Bridge (2 miles south-west), Hawkenbury (2 miles north), Staplehurst (2 miles north-west) and Cranbrook Common (2 miles south-west). Nearby towns on our patch include Maidstone (8 miles north), Ashford (12 miles east), Sittingbourne (15 miles north-east), Royal Tunbridge Wells (14 miles west), Tonbridge (14 miles west) and Kings Hill (11 miles north-west).

Landmarks near Sinkhurst Green

We work on buildings around Bell And Jorrocks Public House, among other places. For rail, the closest station is Headcorn station, about 2 miles north-east. Other landmarks nearby include Kent Firefighting Museum (1.6 miles south-east) and Benenden Hospital (4.6 miles south).

Map of Sinkhurst Green © OpenStreetMap contributors

Construction mastic in Sinkhurst Green

Refurbishment work needs a slightly different approach from new build. Old beads come out completely, as fresh silicone can’t grip old, and on older buildings we ask for the asbestos survey before disturbing anything. After that, the joints are prepared and sealed to the specification. We work on cladding and panel joints, brick and block movement joints and window and door perimeters, and what we are called in for most is oversized or tapered gaps around new frames and internal caulk splitting as the building dries out. Searching for sealant specialists in Sinkhurst Green? We have been sealing commercial buildings since 2005, with CSCS-carded applicators.

Conversions of older rural buildings near smaller places such as Sinkhurst Green 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.

Guaranteed is the last step of every job. You get a 12-month guarantee on our workmanship, and we explain exactly what that covers when we quote.

Place
Sinkhurst Green (TN17)
Wider area
Kent
Guarantee
A 12-month guarantee
Quotes
Quoted before any work starts
Phone
01277 525 020
Updated
3 November 2026
Mastic Doctor team members lined up next to their branded vans outside an office building

On site: what to expect

When we get to site, we report to your site contact and complete whatever induction the building runs. Floors, finishes and fittings next to the joints are covered before anything is cut or cleaned, and the work typically takes anything from a day of snagging to several weeks of plot-by-plot sealing on a phased scheme. For work around Sinkhurst Green, we aim to finish in one visit, so we ask for photos and rough sizes first. That way the right products come on the day.

  1. We start with the drawings, specification and programme.
  2. Quantities are measured and a fixed price returned.
  3. We agree with the site team which areas come first.
  4. Each area is sealed when it’s released.
  5. Every joint is cleaned, set to depth and sealed with the specified product.
  6. After snagging, the work is handed over under our 12-month guarantee.

Before we start on site

  • Tell us your opening times and when work is allowed
  • Send any specification or drawings in advance
  • Tell us which areas need to stay in use

Quotes

Photos, drawings or a schedule of the joints and a fixed quote comes back to you. If the job needs a look first, we will arrange a site visit.

Get a price

Related advice

Your questions answered

Is Sinkhurst Green off your patch?

Not at all. Sinkhurst Green is within our area. Our area covers London and the South East counties. Send photographs and a list of what needs doing, and we will plan the job to need as few trips as possible.

Will you take on work at estates like Barradale Farm Industrial Estate, close to Sinkhurst Green?

Yes. Estates, retail parks and business parks around Sinkhurst Green, Barradale Farm Industrial Estate among them, are all within reach. Send details of the unit and the work through our quote form for a quick quote.

Can weather delay the job?

It can, for external work. Wet joints and cold, damp or frosty conditions stop the sealant bonding properly, so we watch the forecast and rearrange outside work if we have to. Indoors, the weather is rarely a problem.

How do you choose the sealant?

Where there’s a specification, we use the product it names. If not, we choose for the movement, the surfaces and the conditions, in line with the manufacturer’s guidance.

Can you seal external joints in wet or cold weather?

Conditions have to suit the product before external work starts. Sealing in poor conditions risks adhesion failure.

What joints do you seal on a new build?

External perimeters and movement joints, internal caulking where specified, sanitary and kitchen joints, plus snagging, all priced as one package.

Will you stick to the specified products?

We work to the specification and the manufacturer’s installation guidance. Preparation, backing and depth follow the product guidance.

Looking after the joints

To get the most from the new sealant:

  • Keep scrapers and abrasive pads off new beads
  • Protect sealed areas from following trades
  • Keep product details for future maintenance
  • Use the product the specification names

Once an area is sealed, protect it from following trades. New beads should be left to cure before cleaning or decorating nearby, and that time depends on the product, temperature and joint depth.

Snag items left to the last week put handover at risk. Clearing snags area by area spreads the work out.

Owners, agents and contractors

FMs need a contractor who is easy to get on site. Let us know the documents you need (RAMS, insurance certificate, CSCS details) and we’ll confirm them with the quote.

We take on planned maintenance as well as one-off repairs: working through a building or an estate in stages that fit your budget. Sites in Sinkhurst Green can sit alongside others in a wider programme.

Different surfaces, different methods

Window and door perimeters

Inside, a paintable sealant or decorators’ caulk is used where the joint doesn’t move much. We follow what’s specified with colours matched to the frame where needed.

Snagging before handover

Snagging is often the final mastic stage. Snags are cleared room by room, cutting out damaged joints and resealing them properly.

General trades versus a specialist

Certain joints really need a specialist: fire-rated seals that must follow a tested detail, trafficked floor joints and external movement joints among them. Getting these wrong usually costs more in the end than doing them right.

Using site staff can make sense for a small touch-up, but larger jobs are different: a specialist works through quantities efficiently, leaves a consistent finish and backs it with a 12-month guarantee.

Why act early in Sinkhurst Green

Patching snags as they appear can feel quicker than a proper close-out. A planned sweep of each plot or floor catches the lot in one go. We can run snagging as its own phase before handover. Older rural buildings around Sinkhurst Green move with the seasons, and rigid or tired sealant can’t keep up. The right product, sized to the joint, copes much better.

A quote for mastic packages depends on quantities, condition and access, and any specification that applies. Call for a quote.

What you get with us

  • One contact handling all your sites
  • 12-month guarantee on workmanship
  • Colour options checked against the specified product
  • Work carried out by CSCS-carded applicators

See what affects the cost or our accreditations and insurance.

Accreditations

Trusted. Accredited. Insured.