Kent · England

Lower Hartlip New Build Mastic

New build mastic for Lower Hartlip, by sealant specialists with 20+ years’ experience. Rated 4.9 on Google from 180+ five-star reviews.

  • Gaps behind new kitchen upstands
  • Cracked caulk along new skirting
  • Untidy sealant flagged on a snagging list

New build mastic for Lower Hartlip homes and businesses

New build mastic in Lower Hartlip, done properly

Developers send us the plot schedule and we work through it. Bathrooms, en suites, kitchens, frames and skirting are sealed ready for handover using the right product for each joint. We work on skirting & floors, show homes and kitchens, and common reasons people get in touch are worktop and upstand sealant coming away and sealant that never bonded to the surface.

For a small place like Lower Hartlip, the journey and access are planned in advance, and once on site, the job is the same as anywhere.

We stand behind the work with a one-year guarantee, so you’re not left on your own once the job is done.

Where
Lower Hartlip (ME9)
Region
Kent
Cover
12 months on all our work
Quote
A clear price before work begins
Call
0345 464 0079
Updated
26 October 2026
Sealant gun close-up on a shower enclosure wall joint

When something else is needed

New sealant can’t fix everything, and we’d rather say so up front. It will not solve:

  • Baths and trays that move too much for sealant to cope with
  • Broken tiles or a split tray
  • Deciding who is responsible under a builder’s warranty

If in doubt, phone 0345 464 0079 or drop us an email and we will say what we think.

Joints and surfaces we work on

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

FAQs for Lower Hartlip

Do you cover smaller places like Lower Hartlip?

Yes, smaller places are covered as well as towns. We work across London and the South East. Just mention lanes, gates or anything else about the route when you book.

Is Lower Hartlip in your area for new build mastic?

Yes. Our work covers London and the South East, and Lower Hartlip is part of that. You can ring 0345 464 0079 or email us and let us know what needs doing.

Does someone need to be in?

It depends on the job. For work indoors, someone needs to let us in, while outside work can sometimes be arranged differently.

Can I do it myself?

For a simple, easy-to-reach joint, a careful DIYer can do a reasonable job. The usual mistakes are sealing over old sealant, sealing a damp joint and using too much.

Are you insured?

Yes. Full insurance covers our work, and we can confirm the details when we quote.

Can you work on commercial sites?

Yes. We work in offices, washrooms, hotels and other commercial premises, as well as homes. Working times can be discussed when we quote.

Can you do plot mastic on a new development?

Yes. Plot mastic and second-fix sealing for developers is part of our work. Send us the plot schedule and we will quote.

Will it make a mess?

No. We work neatly, protect the area around the joints and tidy up afterwards.

Common problems we fix in Lower Hartlip

The wrong product is sometimes used in the wrong place: caulk where water collects, or a rigid product on a moving joint. Both fail early.

It’s worth asking for a quote if you see:

  • Smeared, uneven beads picked up at snagging
  • Skirting joints opening in the first winter
  • Cracks appearing as a new home settles
  • Gaps behind new kitchen upstands

For new homes near Newington station, it’s worth checking the sealant early, while snags are still fresh.

Questions to ask before booking

  • Whether VAT is included
  • What guarantee comes with the work
  • Are they insured?
  • Whether they seal over old material or remove it

10 questions to ask before booking

For landlords and businesses

We work for landlords and agents as well as homeowners. Sealant work between tenants keeps a property looking cared for.

A neglected joint can let water reach the structure, which matters even more when someone else lives there. Keeping joints in good order is simple maintenance.

Joints and finishes in Lower Hartlip homes

Lower Hartlip is close to the coast. New homes near the sea put their outside mastic to work from day one, so it’s worth checking at snagging. London and the South East are among the drier parts of the UK, yet outdoor joints still have to be sealed dry, so jobs are booked with the weather in mind.

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

Lower Hartlip is about 3 miles south-east of Gillingham, in Kent. From the centre of Lower Hartlip to the outskirts, new build mastic is available for homes and businesses alike, from flats and houses to offices and hotels. Lower Hartlip is one of 922 towns and villages in Kent we cover. You can also see our page for Chelmsford, roughly 28 miles from Lower Hartlip.

Every address in ME9 is covered for new build mastic, from the main roads to the quietest streets. Local streets include Lower Hartlip Road, Grainey Field and Old House Lane, and we cover them all. We also cover the places around Lower Hartlip: Hartlip (1 mile west), Breach (1 mile north-east), Newington (1 mile east), Moor Street (1 mile north-west) and Meresborough (1 mile west). We also work in nearby towns such as Maidstone (8 miles south-west), Sittingbourne (4 miles east), Gravesend (13 miles north-west), Faversham (11 miles east), Northfleet (14 miles north-west) and Minster (8 miles north-east).

Around Lower Hartlip

In Lower Hartlip, that means homes and buildings near Foxburrow Wood and Leigh Academy Rainham and the streets around them. Lower Hartlip’s nearest station is Newington station, roughly 1.1 miles north-east. Nearby you will also find Court Hall Museum (3.8 miles east) and Bayford Court (4.3 miles east). Open spaces near Lower Hartlip include Detling Hill and Bishop Saltings.

Map of Lower Hartlip © OpenStreetMap contributors

DIY sealant or a professional job?

A careful DIYer can reseal a simple joint, like a short, easy-to-reach joint indoors. Where it goes wrong is sealing over the old bead, working on a wet joint or overloading the gap.

The difference is mostly in the preparation and the product. We take joints back to clean, dry surfaces, and the sealant is matched to the joint and its conditions.

What we do, step by step

The work is kept neat and contained to the area we are working on, so you can get on with your day. The job generally takes a few hours for most snagging lists, longer for a run of plots, and we tell you how long to leave it before we go. Somewhere as small as Lower Hartlip, access is often the only tricky part. For outside work, also let us know about exposed walls and any outbuildings involved.

  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. We apply a sealant that suits each joint and tool it to a neat finish.
  5. Finally, each room is checked and you’re given the cure time.

Before we arrive

  • Tell us about any previous sealing or DIY attempts
  • For business premises, tell us about site rules or sign-in
  • Clear items away from the joints we’re working on

Getting a quote

If you are in Lower Hartlip and need new build mastic, ring 0345 464 0079 or drop us an email. Tell us what the problem is and where, and you will get a clear quote before work begins.

Get a price

Read more

How to look after the new joints

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

  • Watch for new gaps as the house dries out
  • Report sealant problems to your builder during the snagging period
  • Do not wait for the house to settle if water is getting through
  • Photograph failed sealant before it’s redone

Do not stand on the bath edge or the lip of the tray while the sealant cures. Report any movement in a bath or tray.

Early snagging is easier snagging. Left alone, a small crack can become a leak over time.

What the job involves on each surface

Kitchens

Beside the sink, the joint takes water every day. A kitchen sealant goes in there.

Plot handovers

Plot mastic is carried out to the developer’s schedule. Joints are prepared properly before sealing so the sealant lasts.

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