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

Construction and new-build mastic in Breach, Kent

Construction mastic in Breach, backed by over 20 years in commercial sealing. Fully insured, with a 12-month guarantee.

  • Frame perimeters left unsealed or poorly sealed
  • A long mastic snag list close to completion
  • Caulk cracking where joints are moving more than expected
1
Send details
Drawings, photos, a joint schedule or a site visit.
2
Get a quote
A fixed quote for the work, with the scope in writing.
3
We seal
The right sealant, to the right depth, neatly finished.
4
Guaranteed
Signed off, with 12 months’ guarantee.
South East, London & Scotland
Constructionline member
£5m PL insurance

Need construction mastic in Breach?

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

Should maintenance staff do it?

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

Putting right a botched joint often costs more than sealing it well at the start, because the whole bead must be removed and the faces cleaned back again. That’s why many clients bring in a specialist from the beginning.

How we handle construction mastic in Breach

Mastic follows everyone else, which means it absorbs every delay upstream. The sequence is set with the site team and updated as plots or floors are handed over, so applicators arrive when areas are genuinely ready. Sealing too early only means coming back once others have damaged it. Site teams most often ask us about caulk cracking where joints are moving more than expected and frame gaps too wide for sealant alone, across internal decorators’ caulk, cladding and panel joints and brick and block movement joints. Facilities teams, main contractors and managing agents in Breach tend to want the same three things: a fixed quote, no surprises on site and a 12-month guarantee behind the result.

For a site near Breach, the mastic visit is planned so the right sealants, primers and backing rod are on hand. Drawings, photographs and the programme let us give a fixed quote.

We stand behind the joints we seal with a 12-month guarantee. It covers how we prepared and applied the sealant.

Place
Breach (CT4)
Region
Kent
Cover
12 months on every job
Price
Fixed quote, scope in writing
Telephone
01277 525 020
Page updated
3 November 2026
The Mastic Doctor team standing beside their branded vans outside an office building

FAQs: Breach

Will you take on work at estates like Barham Business Park, close to Breach?

Yes, sites like Barham Business Park are within our area, along with the rest of Breach. To start, just give us a call on 01277 525 020 or email us with the unit, the joints involved and your access times.

Can the mastic package for our job in Breach follow the site programme?

Yes. Send the programme and drawings, and we’ll plan the mastic to suit the stages. Tell us which site documents you need, such as RAMS, our insurance certificate or CSCS details, and they’re confirmed with the quote.

Can you work plot by plot or floor by floor?

We work to your programme. Tell us the sequence and we’ll plan applicators around it.

Can you send site paperwork?

Tell us what site paperwork you need (RAMS, insurance certificate, CSCS details) and we’ll confirm with the quote.

Does weather affect external mastic work?

External mastic depends on conditions: the joint needs to be dry and within the product’s temperature range. We plan external elevations with that in mind.

Do you seal on top of existing sealant?

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

How many days will you need on site?

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

Keeping the joints sound

A few simple habits keep the new joints working:

  • Brief the final clean team to avoid blades near sealant
  • Stick to the specified sealant rather than a generic substitute
  • Record the products used in the O&M file
  • Share drawings and the specification as soon as possible

Record which products went where in the handover file. That helps the building owner maintain the joints later, and tells you what to reseal with. We can confirm the handover information you need when we quote.

Sanitary joints that fail early become defects soon after occupation. Leaks behind showers and basins damage finishes and floors, leaving the remedial work to the contractor. Proper preparation, with the right silicone first time, keeps it off the defects list.

When something else is needed

Not every problem is a sealant problem, and we’d rather tell you before you spend money. It won’t fix:

  • Joints damaged after sign-off by following trades
  • Fire-stopping design or sign-off (that’s for the designer, fire engineer and building control)
  • Faulty frames rather than failed sealant

Not sure which it is? You can call the office on 01277 525 020 or email a schedule or drawings and we’ll tell you honestly before you book.

Where we work in Breach

  • Window and door perimeters
  • Internal decorators’ caulk
  • Floor and skirting junctions
  • Cladding and panel joints
  • Brick and block movement joints
  • Sanitary and kitchen joints

Construction mastic in Breach: the local picture

There are several hotels within about 2 miles of Breach. When hotels extend or refit, the work is typically squeezed between peak periods, mastic included. The South East is one of the drier parts of the UK. Winter mornings still bring frost and condensation on frames and panels, so the external programme keeps a little slack.

Historic houses such as Acrise Place (to the south of Breach) are a reminder of the older buildings in the wider area, where sealing against old stone, brick or timber needs compatible products. Recladding or extending a unit at a site like Barham Business Park, less than half a mile to the north-east of Breach, brings panel joints and frame perimeters into the programme.

Breach is about 5 miles north of Hawkinge, in Kent. If you are looking for construction mastic in Breach, we can help. We work across 931 places in Kent, large and small. Our London page has more on work in that area (58 miles or so).

We cover the CT4 postcode districts. Just outside Breach, we also work in Lodge Lees (1 mile east), Denton (1 mile east), Wootton (2 miles south-east), Shelvin (2 miles east) and Selsted (2 miles south-east). Nearby towns on our patch include Ashford (12 miles west), Canterbury (7 miles north-west), Dover (7 miles south-east), Folkestone (7 miles south), Whitstable (13 miles north-west) and Deal (11 miles east).

Near you in Breach

We work on buildings around The Palm Tree Inn and Jumping Downs and the streets around them. Breach’s nearest station is Snowdown station, roughly 3.6 miles north-east. The countryside around Breach includes Cheriton Hill.

Map of Breach © OpenStreetMap contributors

When to call us in Breach

On construction sites, joints typically fail early because of when they were sealed, not what was used. If sealant goes in before the last trades are through, it gets knocked, painted over or contaminated, and the joint has to be redone.

Things that typically lead to an enquiry:

  • Snag items on joints that need redoing before handover
  • Window and door perimeters that won’t pass inspection
  • Different trades sealing to different standards
  • Early adhesion failures on new external joints

For a contractor at a hotel such as Broome Park Hotel, which lies east of Breach, the mastic often has to be finished before a reopening date.

Comparing quotes

  • Will failed sealant be removed rather than covered?
  • What site paperwork they can supply
  • How they’ll work around occupants
  • Whether primer will be used where the manufacturer specifies it

Choosing a commercial sealant contractor

On site: what to expect

At the end of each section, 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. Smaller jobs around Breach can be grouped with others nearby, which keeps travel down. A fixed quote is given before anything starts.

  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. Snags are cleared and the package signed off with our 12-month guarantee.

Getting the site ready

  • Tell us what induction or permit system the site runs
  • Make sure the joints can be reached
  • Confirm the product named in the specification

Ask for a quote

Pricing a project or setting a maintenance budget? Send the scope and any drawings, and we’ll return a fixed quote you can plan around. If you have questions first, phone 01277 525 020 or email a schedule or drawings.

Get a quick quote

Advice

Building owners, agents and FMs in Breach

If you look after buildings for someone else, 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.

We work for building owners and managing agents on sealant work across single buildings or whole portfolios. Several sites can go on one quote, so there’s one set of paperwork to deal with.

Accreditations

Trusted. Accredited. Insured.