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South East England and London

New Build Mastic in Medway

From the largest town to the smallest village in Medway, we can help with new build mastic. A clear quote before we start, and a one-year guarantee.

New Build Mastic in Medway

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New build mastic in every part of Medway

Plot mastic for developers and snagging failed sealant in new homes. Choose your town from the list to see local details, and get in touch for a quick quote.

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About new build mastic in Medway

We carry out plot mastic and second-fix sealing for builders, and snagging reseals for new-home owners. In both, preparation makes the difference, because that’s what rushed new-build sealant usually lacks. Common call-outs are for worktop and upstand sealant coming away and gaps between new skirting and floors, across kitchens, windows & doors and show homes.

We keep the work tidy and contained to the joints we’re treating, so you can get on with your day. The job normally 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.

  1. Each joint is checked for movement before any work starts.
  2. Old sealant is cut out and the joints cleaned.
  3. We make sure the joints are dry and prime them if needed.
  4. New sealant goes in, with baths filled first so they’re at their heaviest.
  5. The finished joints are checked and the cure times given.

What affects the price in Medway

The cost reflects the work involved, not a rough estimate. That’s why we ask a few questions first and agree the price before starting.

Why clients in Medway choose us

  • We are fully insured
  • An ARBOMaster approved applicator
  • Trusted Arbo and Everbuild sealants
  • Tidy, careful work

Ask for a quote

Need a quote? Please ring 0345 464 0079 or drop us an email and tell us about the job. You’ll know what we plan to do, and what it will cost, before any work begins.

Local landmarks in Gillingham

In Gillingham, that means homes and buildings near The Robert Napier School, Featherby Junior School and The Robert Napier School and the streets around them. Also close by are Holy Trinity Church (under half a mile north-east), The Star pub (0.6 miles west) and Ambley Wood (0.8 miles south). The nearest railway station is Gillingham (Kent) station, roughly 1.5 miles north-west. A little further out are Medway Maritime Hospital (1.6 miles west) and Six Poor Travellers House (3.3 miles west). The countryside around Gillingham includes Blue Bell Hill and Bishop Saltings.

New build mastic across Medway: local notes

Our new build mastic work across Medway covers developers, householders and businesses, from Gillingham, Chatham and Rochester to the quieter places in between. Every joint needs to allow for movement.

From Victorian terraces to post-war new towns and modern estates, homes across the South East and London cover every era. Each needs the right sealant for its age and materials, wherever it is in Medway. Medway includes coastal places, where outside joints face more wind, rain and salt than they would inland. Joints on seaward walls tend to fail first.

Gillingham: For new homes near Gillingham (Kent) station, it’s worth checking the sealant early, while snags are still fresh. In and around Gillingham, as anywhere, good new build mastic starts with a clean, dry, properly prepared joint.

How the job changes by surface

Windows and doors

Internal joints between frames and plaster often crack as a new house dries. We remove cracked sealant and apply a flexible one.

Skirting and floors

Wet-area floor joints need a flexible seal. They get a flexible, water-resistant sealant.

What we are called out for in Medway

The first winter with the heating on dries a new home quickly. Gaps open along skirting, frames and worktops and cracks appear in the sealant.

Signs it’s time to call us include:

  • Cracked caulk along new skirting
  • Sealant work across a run of new homes
  • Shower seals failing in the first year or two
  • Cracks appearing as a new home settles

Why deal with it now?

Sealant done properly at handover means fewer callbacks. Every return visit for a failed seal takes time.

Questions to ask before you book

  • What the quote includes, VAT included or not
  • Whether they seal over old material or remove it
  • Whether you can choose the colour
  • When the joint can take water or movement

For landlords and businesses

Letting agents often deal with us directly. Send the address, what’s needed and the access arrangements and we will quote.

A neglected joint can let water reach the structure, which is a bigger problem in a rented property. Resealing at the right time is simple maintenance.

What affects the cost of new build mastic

For a quick quote, just ask. What matters most is:

  • The amount of work
  • Any working-time requirements on site
  • Access and height
  • Mould in or behind the old joints

We do not show prices on the website, because the cost depends so much on the job itself. For a quick quote, please call 0345 464 0079 or send us an email.

What we need to know

Photos help, but a description is a good start. Please mention:

  • Any access issues, like height or stairs
  • The rough size of the job
  • The problem you’ve noticed
  • The address or postcode of the job

Every job is quoted individually. Just phone 0345 464 0079 or drop us an email with the details, and pictures are welcome.

Medway: your questions answered

I rent my home. Can I book you?

Yes. Check with your landlord; we can send the quote to them too.

Do I have to be there?

We need access to the joints, so we will agree that with you when we book. Indoors, that usually means someone at home.

When is the sealant fully cured?

That depends on the sealant used, so follow the cure time we give you.

Should I try DIY first?

You can, for simple jobs. Preparation is everything: all the old sealant out, and a clean, dry joint. If it doesn’t work out, we can redo it.

Why does sealant fail so quickly in new builds?

Lots of new homes see sealant crack early as timber and plaster dry out. Rushed application on dusty surfaces makes it worse.

When is the best time to reseal in a new build?

Where water is getting through, do not wait. Small gaps that are just cosmetic can be resealed once movement has slowed.

Do you take out the old sealant first?

Yes. Sealing over old sealant is the main reason resealing fails early, so we never do it.

All places in Medway

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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