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

Sinkhurst Green facade sealing

Facade joint and window perimeter sealing on commercial buildings across Sinkhurst Green, carried out by CSCS-carded applicators. Fully insured and CHAS accredited.

  • Gaps between rainscreen or cladding panels
  • Failed seals around shopfront and entrance frames
  • Draughts around frames and panels
1
Send details
Send the specification, photos or a marked-up plan.
2
Get a quote
One fixed quote covering the agreed scope.
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
Constructionline member
£5m PL insurance

Facade sealing for Sinkhurst Green sites

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

How a job runs

The first thing on site is a walk round with your contact, agreeing which joints are in scope, where to start and what must stay open. After that, any old or failed material is removed, each joint is prepared and the new sealant goes in. Smaller jobs around Sinkhurst Green can be grouped with others nearby, which keeps travel down. A fixed quote is given before anything starts.

  1. We plan access and the order of elevations with the client.
  2. We only seal when joints are dry and within the product’s temperature range.
  3. We remove the old bead and check the edges are sound.
  4. Joints are cleaned, primed if required and fitted with backing rod.
  5. Facade-grade sealant goes in and is tooled to a tidy concave profile.
  6. We hand over with our 12-month workmanship guarantee.

What we need from you

  • Clear stock, furniture or equipment away from the joints
  • Tell us which areas need to stay in use
  • Tell us what induction or permit system the site runs

Request a 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, call 01277 525 020 or send details through our quote form.

Get a quick quote

Related advice

How we handle facade sealing in Sinkhurst Green

We don’t install glazing systems or replace glass. What we seal are the joints around them: the frame-to-structure perimeter, panel-to-panel joints and window and door surrounds, using sealants classified for facade or glazing use. Site teams most often ask us about discoloured or dirty facade joints and patch repairs that keep failing, across stone and brick facade joints, coping and flashing joints and cladding panel joints. A specialist sealant contractor works differently from a general builder: on jobs in Sinkhurst Green, preparation and product choice get the time they need.

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.

We sign every job off with a 12-month guarantee. It’s a plain promise: if the work we did fails within twelve months, we return to fix it.

Where
Sinkhurst Green (TN17)
Wider area
Kent
Cover
12 months on every job
Quotes
Fixed quote, scope in writing
Call
01277 525 020
Updated
3 November 2026
The Mastic Doctor team standing beside their branded vans outside an office building

What we are called out for in Sinkhurst Green

Product choice matters: an acetoxy cure can mark stone or corrode some metals, and interior products break down outdoors. Neutral-cure, facade-grade products are what most external joints need.

It’s worth sending us details if you spot any of the following:

  • Failed seals around shopfront and entrance frames
  • Failed sealant on precast panel joints
  • Patch repairs that keep failing
  • Sealant pulling away from frames or panels

For contractors at a school such as Frittenden Church of England Primary School, sealing has to be finished before term starts.

Before you book anyone

  • What site paperwork they can supply
  • Is depth set with backing rod, or bond-breaker tape in shallow joints?
  • The terms of the workmanship guarantee
  • Will failed sealant be removed rather than covered?

How to choose a sealant contractor

Mastic packages on Sinkhurst Green sites

At about 38 miles from central London, Sinkhurst Green is within reach of the capital. Construction around the commuter belt mixes station-side flats with refurbished offices and units, and main contractors there need mastic that keeps to the programme. Sinkhurst Green sits in one of the drier corners of the country, the South East. 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.

Extensions at sites like Benenden Hospital (to the south of Sinkhurst Green) usually sit beside working departments, and the mastic follows strict access rules. When units on a site such as Barradale Farm Industrial Estate, 2.2 miles to the north-east of Sinkhurst Green, are refurbished or reclad, the panel joints and window perimeters are part of the mastic package.

Sinkhurst Green is about 8 miles south of Maidstone, in Kent. We cover Sinkhurst Green, and jobs here get the same fixed quote and 12-month guarantee as anywhere else. 931 places across Kent fall within our area, including Sinkhurst Green. London is covered too, some 38 miles away.

We cover the TN17 postcode districts for facade joints. Sites close to Sinkhurst Green are covered too, including 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). A short drive away, we cover 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).

What’s near Sinkhurst Green

In Sinkhurst Green, that means premises near Bell And Jorrocks Public House and the streets around them. Sinkhurst Green’s nearest station is Headcorn station, roughly 2 miles north-east of the centre. A little further out are Kent Firefighting Museum (1.6 miles south-east) and Benenden Hospital (4.6 miles south).

Map of Sinkhurst Green © OpenStreetMap contributors

Questions we are asked in Sinkhurst Green

Is a smaller place like Sinkhurst Green outside your area?

Not at all. Sinkhurst Green is within our area. London and every South East county are within our area. Where we can, we group nearby jobs to make the most of each trip.

Does your area include sites such as Barradale Farm Industrial Estate, near Sinkhurst Green?

Yes. We cover Sinkhurst Green and the area around it, including industrial estates, business parks and retail parks such as Barradale Farm Industrial Estate. Send details of the unit and the work through our quote form for a quick quote.

Do you seal on top of existing sealant?

No. Sealing over old material is one of the classic causes of early joint failure, so everything comes out first.

Can you just add new sealant on top?

No. A bead run over old sealant soon lifts. Our method is a full cut-out, cleaning, backing and a new bead.

Can the sealant be colour-matched?

That depends on the product specified. Some ranges offer many colours, others very few, so the available colours are confirmed with the quote.

Can the building stay open while you work?

Yes, with some planning. Tell us your site hours and access windows and we’ll plan around them.

Are your applicators CSCS-carded?

Yes. If you need card details for site access, tell us and we’ll confirm them with the quote.

Doing it in-house

General builders and handymen seal joints, but it isn’t their main trade. A specialist brings correct preparation, depth control with backing rod and a product suited to that particular joint, which is what makes a joint last.

For a quick touch-up, site staff may be fine, but anything bigger is another matter: a specialist works through quantities efficiently, leaves a consistent finish and backs it with a 12-month guarantee.

Why it’s worth doing now in Sinkhurst Green

Leaving failed perimeter sealant also makes the eventual job bigger: wet edges break down, so repairs may be needed before resealing. Early action keeps it simple. One visit to deal with every failing joint makes more sense than several trips to a place like Sinkhurst Green. Send photos of each area and we’ll quote for the lot.

Access can matter as much as the joints themselves: easy-to-reach joints are quicker than those that need equipment to get to. Tell us how the joints are reached and call for a quote.

Why clients in Sinkhurst Green choose us

  • Fixed quotes based on photos, drawings or a visit
  • CSCS-carded applicators
  • RAL and finish matching where the product range allows
  • Work to your specification and the manufacturer’s guidance

Take a look at our cost guide or how we’re accredited.

Maintenance after handover

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

  • Share access with other external trades
  • Record the product and colour used on each elevation
  • Add perimeter sealant to planned maintenance checks
  • Check that rainwater leaves the facade the way it was designed to

Anything drilled through a facade joint breaks the seal. Make sure the joint is resealed afterwards with a compatible product.

Use each reseal to correct the joint: correct depth, proper backing and a sealant that can take the movement. Repeating a faulty detail just repeats the failure.

What sealant work can’t fix

We seal joints; we don’t mend everything behind them. On its own, sealant can’t deal with:

  • Water getting in through cracked render or porous masonry
  • Joints whose design needs changing by the specifier
  • Providing access systems for the work

Not sure which it is? You can call 01277 525 020 or use the quote form and we will tell you honestly.

Surfaces we seal

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

Trusted. Accredited. Insured.