Medway · England

New Build Mastic in Rochester

Specialist new build mastic for Rochester: the right sealant, proper preparation and a neat finish. Ask us for a quick quote.

  • New-build shower sealant that has already split
  • Cracked sealant around new window and door frames
  • Joints pulling apart as timber shrinks

New build mastic in Rochester

Why it’s worth doing now in Rochester

Resealing everything on a snagging list in one visit is generally simpler than chasing joints one at a time. You get one visit and one clear quote for the lot. In Rochester, as anywhere, most leaks start as a small gap in a joint, and they’re far easier to fix early.

Leaving a failed joint normally makes the job bigger, not smaller, as water and mould keep getting in. If you are unsure, call 0345 464 0079 or drop us an email and we will give you an honest view and a quote.

What you get with us

  • Colour picked to suit the job
  • Full insurance on every job
  • Any old sealant cut out fully, not covered over
  • Anti-fungal silicone where joints get wet

Take a look at our cost guide or our reviews.

New build mastic in Rochester

In a new home, every joint should have a clean, even bead. Smeared, patchy or cracked sealant is worth sorting early, before water gets into the floor or walls. We work on plot handovers, bathrooms & en suites and windows & doors, and people most often call us about joints pulling apart as timber shrinks and gaps behind new kitchen upstands.

Small business units and shops in a town like Rochester have floors that take heavy wear. Joints at thresholds and in tiled or concrete floors need resealing before the edges start to break up.

Your job is guaranteed for a year, as with all our work.

Place
Rochester (ME2, ME1, ME3, ME4)
Wider area
Medway
Guarantee
12 months on all our work
Quotes
A clear price before any work starts
Call
0345 464 0079
Last updated
26 October 2026
Sealant gun close-up on a shower enclosure wall joint

New build mastic in Rochester: local notes

Rochester is close to the coast. Plot mastic on new homes near the coast takes more weather than it would inland, so any gaps are best picked up early. The South East is one of the drier parts of the UK, yet outdoor joints still have to be sealed dry, so jobs are booked with the weather in mind.

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

Rochester is about 27 miles east of London, in Medway. Anywhere in ME2, we cover new build mastic for homes and businesses. Our Medway coverage runs to 68 places, Rochester among them. We also work in Chelmsford, around 24 miles away.

Postcode districts we cover here for new build mastic: ME2, ME1, ME3 and ME4. Whether your property is on High Street, Gundolph Square and Station Road or anywhere close by, our applicators can take on the job. With the A2 and A226 close by, Rochester is simple for us to get to for new build mastic. Close by, we work in Strood (1 mile west), Borstal (1 mile south-west), Cuxton (2 miles south-west), Lower Bush (3 miles west) and North Halling (3 miles south-west). Within a short drive, we also cover Gillingham (4 miles east), Chatham (3 miles south-east), Rainham (5 miles south-east), Park Wood (5 miles south-east), Lordswood (4 miles south-east) and Twydall (4 miles east). As one of the bigger places in Medway, Rochester has every kind of property, from flats to offices.

Near you in Rochester

We work in homes and buildings around Former Ordnance Store At Chatham Gun Wharf, Fort Pitt Grammar School and Broomhill Park, among other places. You will also find Temple School (1.2 miles north) and Royal Crown Hotel (less than half a mile east). Rochester has its own railway station: Rochester station. Well-known places in the area include Rochester Castle (under half a mile east) and Huguenot Museum (under half a mile east). Not far away are Gad's Hill and Rede Common.

Map of Rochester © OpenStreetMap contributors

Aftercare tips

Simple care keeps the joints in good condition. We recommend:

  • Photograph failed sealant before it’s redone
  • Watch for new gaps as the house dries out
  • Act quickly if a seal starts to leak
  • Resist patching a failed seal with a tube from the DIY shop

Don’t stand on the bath edge or the lip of the tray in the first few weeks. Report any movement in a bath or tray.

If a shower tray or bath seal splits in the first year, look for movement. Getting it resealed properly, and any movement checked, stops it recurring.

How we quote for new build mastic

Your quote is based on your job. We take into account:

  • The product the joint needs
  • The number of rooms or windows
  • Any working-time requirements on site
  • Access and height

Combining jobs into one visit is normally more efficient than separate visits, so it’s worth mentioning everything you’d like done. You’ll get one clear quote for the whole job.

Asking for a quote

Before you ask for a quote, have a think about:

  • Whether it has been sealed before
  • The type of property
  • What the problem is, such as mould, gaps, leaks or cracking
  • How many joints, rooms or windows are involved

For new build mastic in Rochester, call 0345 464 0079 or send us an email. Tell us what the problem is and where, and you will get a clear quote before any work starts.

Common questions in Rochester

Is Rochester in your area for new build mastic?

Yes. We work across London and the South East, and Rochester is part of that. You can phone 0345 464 0079 or drop us an email and let us know what needs doing.

What guarantee comes with new build mastic in Rochester?

All our work, in Rochester and everywhere else, comes with a 12-month guarantee. We’re fully insured, and an ARBOMaster approved applicator.

Which products do you use?

It depends on the joint: anti-fungal sanitary silicone in wet areas, and other sealants where joints move or face the weather. We use products from Arbo and Everbuild.

Is it worth resealing while the house is still settling?

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.

Are you insured?

Yes. We are fully insured.

I’m a tenant. Can you help?

Yes, though it’s best to check with your landlord first. Many landlords are glad to have it sorted.

Is it worth trying it myself?

You can, for simple jobs. The key is preparation: remove all the old material and work on a clean, dry joint. If it doesn’t work out, we can redo it.

Do you hold any approvals?

Yes. ARBOMaster is the approved applicator scheme for Arbo sealants, and we’re part of it.

How the job changes by surface

Show homes

Show homes need sealant that looks right from day one. Every bead is neat and coloured to suit the room.

Kitchens

New-kitchen sealant is often applied in a rush. We remove it and reseal with a kitchen-suitable sealant.

DIY versus a professional finish

If you’ve already had a go yourself, that’s fine. We cut it out and start again, so tell us about it when you ask for a quote.

Overfilling a joint is a classic DIY mistake. A thick, smeared bead looks untidy and does not move well, and getting the depth right matters as much as the look.

What we do, step by step

We work through the job in order: protect, prepare, seal, tidy. Typically it takes a few hours in a single home, and the area is left clean. In Rochester, parking is rarely complicated, though it helps to know about driveways or restrictions, and mention if the work is upstairs, in a flat or high on the outside.

  1. First, the list of joints is agreed from your snagging sheet or plot schedule.
  2. The failed sealant is removed completely, with no layer left behind.
  3. Joints are vacuumed and cleaned of building dust.
  4. We prime where needed and apply a sealant suited to each joint.
  5. We tool every joint neatly and tell you when each area can be used.

Getting ready for the visit

  • On commercial sites, let us know about site rules
  • Mention any tricky access
  • Keep children and pets away from the work area

Getting a quote

It all starts with a short chat. Tell us what’s wrong, where it is and how much there is, and we will talk you through what we’d do. When it suits you, ring 0345 464 0079 or drop us an email.

Get a price

Read more

Do you need new build mastic in Rochester?

Later trades and the final clean can damage fresh sealant. If it’s disturbed before curing, the joint can be left weak.

Any of these means the joints need attention:

  • Frame joints opening as the plaster dries
  • Shower seals failing in the first year or two
  • Untidy sealant flagged on a snagging list
  • Cracked caulk along new skirting

Around Rochester, as everywhere, new build mastic is only as good as the preparation behind it.

Before booking anyone

  • What insurance they hold
  • What guarantee comes with the work
  • When the joint can take water or movement
  • How the colour is chosen

How to choose a mastic man

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