Kent · England

Sittingbourne New Build Mastic

Our applicators work in Sittingbourne on plot mastic for developers and snagging failed sealant in new homes. Old sealant removed completely, joints prepared properly and a one-year guarantee.

  • Beads laid onto grit and dust from the build
  • Skirting joints opening in the first winter
  • Leaking shower tray seals in a new home

New build mastic near Sittingbourne

New build mastic in Sittingbourne, done properly

Across Sittingbourne, we work for both new-home owners and the builders handing those homes over. Whether it’s one en suite or a run of plots, the method is the same: remove, clean, prime where needed, then a neat new bead. We work on kitchens, plot handovers and show homes, and the jobs we see most are frame joints opening as the plaster dries and shower seals failing in the first year or two.

In a town like Sittingbourne, older houses sit alongside newer estates, with new homes still going up on the edge of many towns. In a newer home, sealant and floor joints are usually among the first things to need attention.

Our work is backed for twelve months, and the guarantee is the same wherever you are.

Mr Mastic applicator sealing the vertical joint between a glass shower screen and tiled wall
Where
Sittingbourne (ME10, ME9)
Wider area
Kent
Cover
One year on every job
Quote
A clear price before we start
Phone
0345 464 0079
Updated
26 October 2026

Landlord and commercial work in Sittingbourne

If you manage several properties in or around Sittingbourne, several properties can go on one quote. Just tell us the addresses and what each one needs.

We also work for property managers and facilities teams. Several sites can go on one quote, and we’re fully insured.

Why it’s worth doing now in Sittingbourne

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. Gaps in sealant and mould in the bead never get better on their own, and in a busy home in Sittingbourne they get worse with every use. Now is the easy time to put it right.

Instead of a standard rate, we price the job in front of us: the amount of work, the old material and the access. You will know the price before we begin.

What you get with us

  • We leave the area clean and tidy
  • Sanitary silicone with an anti-fungal additive in wet areas
  • Sealant colour chosen to suit
  • 180+ five-star Google reviews

Read what affects the cost and customer reviews.

What new build mastic looks like in Sittingbourne

Sittingbourne is close to the coast. Plot mastic on new homes near the coast takes more weather than it would inland, so it’s worth checking at snagging. Compared with the north and west, the South East gets less rain, yet outdoor joints still have to be sealed dry, so jobs are booked with the weather in mind.

If you’ve bought a new home near Sittingbourne station, the sealant around baths, showers and frames is worth checking in the first year or two.

Sittingbourne is about 37 miles east of London, in Kent. If you need new build mastic in Sittingbourne, please phone 0345 464 0079 or drop us an email for a quick quote. We cover Kent from our Crawley base, Sittingbourne included. We cover 922 towns and villages across Kent, from the larger towns to small villages. For nearby work, see our Chelmsford page, about 29 miles away.

Our applicators cover all of ME10 and ME9 for new build mastic and the streets around it. Whether your property is on High Street, Roman Square and Moonstone Square or anywhere close by, our applicators can take on the job. You will find Sittingbourne on the A2 and A249, so it’s easy for us to get to with everything needed for new build mastic. We also cover Murston (1 mile east), Milton Regis (1 mile north-east), Kemsley (1 mile north), Howt Green (1 mile north-west) and Heart's Delight (1 mile south-west). Within a short drive, we also cover Maidstone (10 miles south-west), Ashford (15 miles south), Whitstable (13 miles east), Faversham (7 miles east), Minster (6 miles north-east) and Kings Hill (15 miles west). Sittingbourne is among the bigger towns we cover in Kent.

What’s near Sittingbourne

We work in homes and buildings around Milton Court Primary Academy, The Golden Hope pub and Milton Creek Country Park and the streets around them. Sittingbourne has its own railway station: Sittingbourne station. Other landmarks nearby include Bayford Court (less than half a mile east) and Court Hall Museum (less than half a mile north).

Map of Sittingbourne © OpenStreetMap contributors

Sittingbourne questions

Can you help a landlord with a rental near Sittingbourne station?

Yes, rental work is part of what we do. You can call 0345 464 0079 or send us an email with the address and a few details, and we’ll give you a fixed price before we start.

Is new build mastic in Sittingbourne guaranteed?

All our work, in Sittingbourne and everywhere else, comes with a 12-month guarantee. We are also fully insured and ARBOMaster approved.

Does someone need to be in?

It depends on the job. For work indoors, someone needs to let us in, and for outside work we will agree access with you when we book.

Is there any odour?

It depends on the product. Some smell for a while, some hardly at all, and any smell fades as they cure.

How long does new build mastic take?

That depends on how much there is to do, but most jobs take a few hours for most snagging lists, longer for a run of plots. We’ll give you a better idea when we quote.

Should I wait before resealing?

If the seal has failed and water is getting in, do it now. Small gaps that are just cosmetic can be resealed once movement has slowed.

Do you work for hotels and businesses?

Yes. Hotels, offices and other businesses use us.

What information do you need?

Just the basics: where it is, what you’ve noticed and how we reach it. Then phone 0345 464 0079 or drop us an email.

How to look after the new joints

No joint lasts for ever, but care makes a real difference. A few tips:

  • Resist patching a failed seal with a tube from the DIY shop
  • Watch for new gaps as the house dries out
  • Keep photos and emails about snagging items
  • Get a leaking seal dealt with straight away

Keep pictures of the joints and any snagging correspondence with your builder. It helps if anything else comes up during the warranty period.

The sooner you deal with untidy or cracking sealant, the less there is to put right. Small faults turn into leaks if left over time.

Common problems we fix in Sittingbourne

Sealant applied onto damp surfaces doesn’t bond well. On a busy site, joints aren’t always given time to dry before the sealant goes on.

If you can see any of these, it’s time to have the joints looked at:

  • Beads laid onto grit and dust from the build
  • Worktop and upstand sealant coming away
  • Plot mastic for developers ahead of handover
  • Messy sealant that spoils new finishes

In and around Sittingbourne, as anywhere, good new build mastic starts with a clean, dry, properly prepared joint.

Before booking anyone

  • Whether they seal over old material or remove it
  • When the joint can take water or movement
  • How the colour is chosen
  • What happens if they find a problem under the old sealant

How to choose a mastic man

What we do, step by step

Once we are on site, we compare the joints with what we discussed. If anything is different, we explain it before carrying on. Most jobs then take anything from a few hours to several days, depending on the number of plots. A visit in Sittingbourne needs access to the work and a place to park close by. For outside work, let us know about side access, gates and any upper-floor joints.

  1. We start by agreeing which joints are on the list, from the snagging sheet or plot schedule.
  2. We cut out every bit of the failed or messy sealant.
  3. Each joint is cleaned of dust and grit, then primed if required.
  4. A sealant chosen for each area goes in and is tooled smooth.
  5. Each area is checked and left with its cure time.

Preparing for the visit

  • For indoor joints, keep the area dry beforehand if you can
  • Keep pets and children clear of the area while we work
  • On commercial sites, let us know about site rules

Ask for a quote

Need a quote? Please call 0345 464 0079 or drop us an email and tell us about the job. We will explain what we’d do and send you a clear quote before we start.

Ask for a quote

Related advice

When something else is needed

Some problems need a builder, plumber or other trade rather than us:

  • Disputes or warranty claims with your builder
  • Damaged fittings that need replacing
  • Baths and trays that move too much for sealant to cope with

If in doubt, call 0345 464 0079 or send us an email and we will say what we think before you book.

What we seal

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

Different surfaces, different methods

Kitchens

New-kitchen sealant is often applied in a rush. We take it out and reseal neatly, colour-matched where it shows.

Bathrooms and en suites

New-build bathrooms and en suites are where sealant fails most often. The old sealant comes out and anti-fungal sanitary silicone goes in after cleaning and priming.

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