Kent · England

Coxheath New Build Mastic

Our applicators work in Coxheath on plot mastic for developers and snagging failed sealant in new homes. Old sealant removed completely, joints prepared properly and every job guaranteed for a year.

  • Gaps behind new kitchen upstands
  • Second-fix sealing on new plots
  • Sealant that never bonded to the surface

Trusted new build mastic in Coxheath

New build mastic in Coxheath

For builders and developers, we work through plots to the schedule you give us. We seal bathrooms, kitchens, windows, doors and skirting so plots are ready to hand over using the right product for each joint. If you have gaps between new skirting and floors and internal frame sealant that has split, we can help, on show homes, windows & doors and bathrooms & en suites alike.

For a new home in or near Coxheath, it’s worth checking the sealant early. Gaps at skirtings, shower seals pulling away and missing mastic around frames are common snags.

A 12-month guarantee comes as standard.

Sealant gun close-up on a shower enclosure wall joint
Where
Coxheath (ME17, ME15)
Wider area
Kent
Guarantee
One year on every job
Price
Quoted before any work starts
Phone
0345 464 0079
Last updated
26 October 2026

Surface by surface

Skirting and floors

Wet-area floor joints need a flexible seal. We seal them with a sealant suited to wet areas.

Show homes

We can refresh show-home sealant that has discoloured or been knocked. The old bead comes out and a clean new one goes in.

What happens if it’s left?

For developers, getting the sealant right first time saves return visits. Snagging visits for failed sealant cost time on every plot and most come down to preparation. Homes in smaller places like Coxheath can face more weather, and failed outside joints let damp into walls. Inside, a split seal lets water into floors and panels just as it would anywhere.

Leaving a failed joint normally makes the job bigger, not smaller. If you’re not sure whether it needs doing, ring 0345 464 0079 or drop us an email and we’ll give you an honest view and a quote.

Why choose Mr Mastic in Coxheath

  • Fully insured
  • You choose the colour before work begins
  • More than 20 years in sealant work
  • Domestic, commercial and hotel work

Take a look at our cost guide or customer reviews.

New build mastic in Coxheath: local notes

Compared with the north and west, the South East gets less rain, though outdoor sealant still has to go onto a dry joint, so the forecast decides the day.

If you’ve bought a new home near East Farleigh station, the sealant around baths, showers and frames is worth checking in the first year or two. In and around Coxheath, as anywhere, good new build mastic starts with a clean, dry, properly prepared joint.

Coxheath is about 3 miles south-west of Maidstone, in Kent. Homes, rented property, offices and hotels in Coxheath can book us for new build mastic. Every job comes with our one-year guarantee. Our Kent coverage runs to 922 places, Coxheath among them. You can also see our page for London, about 31 miles away.

All of ME17 and ME15 is within our area for new build mastic, from the main roads to the quietest streets. If you need new build mastic at a property on Westway, Stockett Lane and Orchard Close or anywhere close by, we can help. Nearby, we also carry out new build mastic in Dean Street (1 mile north), East Farleigh (1 mile north-west), Farleigh Green (2 miles north-west), Kettle Corner (2 miles north-west) and Hunton (2 miles south-west). Larger places within reach include Maidstone (3 miles north-east), Sittingbourne (13 miles north-east), Sevenoaks (14 miles west), Royal Tunbridge Wells (12 miles south-west), Gravesend (14 miles north) and Tonbridge (10 miles west).

Around Coxheath

Locally, jobs take us to homes and businesses close to The Horse Shoes Public House, Cornwallis Academy and Quarry Wood, among other places. For rail, the closest station is East Farleigh station, roughly 1.5 miles north. Well-known places in the area include The Mall Maidstone (3 miles north-east) and Oakwood Hospital (2.4 miles north).

Map of Coxheath © OpenStreetMap contributors

Landlords, agents and businesses in Coxheath

In hotels, rooms out of use cost money, so the work can be planned room by room. We’ve worked in hotels as well as homes and businesses.

For anyone letting property in or around Coxheath, several properties can go on one quote. Just tell us the addresses and what each one needs, and photos by email help.

DIY versus a professional finish

What a professional job adds is preparation and the right product. We take joints back to clean, dry surfaces, and the sealant is matched to the joint and its conditions, and the work is guaranteed for a year.

Overfilling a joint is a classic DIY mistake. A heavy bead looks messy and copes badly with movement, and the joint depth matters as much as the finish.

Keeping the joints in good condition

So the new joints stay in good condition:

  • Keep pictures and emails about snagging items
  • Don’t wait for the house to settle if water is getting through
  • Clean sealant with mild detergent, not abrasives
  • Avoid running a DIY bead over the old one

Don’t stand on the bath edge or the lip of the tray. If a bath or tray moves when you stand in it, get it looked at.

The sooner you deal with untidy or cracking sealant, the less there is to put right. Left alone, a small crack can become a leak in a busy bathroom.

FAQs for Coxheath

Do you cover smaller places like Coxheath?

Yes, we do. Our work covers London and the South East, from towns to the smallest places. The journey is planned ahead, so it helps to know about access.

Can you do new build mastic in Coxheath?

Yes, Coxheath is within the area we cover. We work across London and the South East. Just call 0345 464 0079 or email us with a few details of the job, and we will give you a clear price.

What does new build mastic cost?

There’s no set price, as it depends on the job: its size, the old material, access and the product needed. You’ll get a clear quote before we start.

Do I have to be there?

For indoor joints, yes, someone needs to let us in. Once we’ve agreed the job, you do not need to watch us work.

Are you insured?

Yes, we are fully insured for domestic and commercial work.

Do you take on second-fix sealing for builders?

Yes. We work through plots to your schedule, room by room. Tell us the plots and the joints involved and we will quote.

Where do you work from?

We are based in Crawley, and we work across South East England, London and Scotland.

What do you need from me for a quote?

Just the basics: the address or postcode, what’s wrong and any access issues. Then call 0345 464 0079 or drop us an email.

What sealant work cannot fix

A few problems are outside what sealant work can do:

  • Your warranty claim itself, which is between you and the builder
  • Baths and trays that move too much for sealant to cope with
  • Damaged fittings that need replacing

Not sure which it is? You can call 0345 464 0079 or send us an email and we will tell you honestly before you book.

Surfaces we seal

  • Skirting & floors
  • Bathrooms & en suites
  • Plot handovers
  • Show homes
  • Kitchens
  • Windows & doors

What happens on the day

We bring everything the job needs with us. Once we have agreed what’s being done, we protect the area and start. Most jobs take a few hours in a single home. For a job in Coxheath, we agree the time, the access and parking before the day. Outdoor jobs depend on a dry day, since sealant needs a dry surface.

  1. First we work through your snagging list or plot schedule with you.
  2. Failed or untidy sealant is cut out completely.
  3. Surfaces are cleaned of building dust and primed where needed.
  4. A sealant chosen for each area goes in and is tooled smooth.
  5. We check every joint and tell you how long each needs to cure.

Preparing for the visit

  • Mention any sign-in or site rules at work premises
  • Clear the area around the work
  • Mention any tricky access

Get a quote

For new build mastic in Coxheath, phone 0345 464 0079 or drop us an email. Tell us what the problem is and where, and we’ll agree the price before any work begins.

Get a price

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20+ yearsMastic and sealant specialists
ARBOMaster approvedApproved applicator for Arbo sealants
Fully insuredDomestic, commercial and hotels
One-year guaranteeOn every job