Essex · England

Sand Mastic in Goldhanger

Traditional burnt sand mastic around sash and case windows and doors in stone and brick in Goldhanger, with a 12-month guarantee on every job. Call for a quick quote.

  • Mastic round period door frames that has failed
  • Window mastic to renew ahead of painting
  • Draughty sash windows at the surround

Need sand mastic in Goldhanger?

Sand mastic for homes and businesses in Goldhanger

We work across Goldhanger renewing sand mastic on sash windows and doors. Every joint is cleaned out and filled by hand, finished to suit the masonry. We work on stone surrounds, timber door frames and sash and case windows, and the jobs we see most are gaps between timber frames and stone or brick and patchy fillers round a sash window.

In a village or hamlet like Goldhanger, older cottages and farmhouses often have timber windows set in stone or brick. Not every older frame suits a modern silicone bead, so the sealant has to be chosen to suit the building.

The work is covered for a year after we finish. If anything isn’t right with it, ring 0345 464 0079 or drop us an email.

Outdoor mastic being applied where a white frame meets red brickwork, below the fascia and gutter
Place
Goldhanger (CM9)
Wider area
Essex
Guarantee
12 months on all our work
Quotes
A clear quote up front
Call
0345 464 0079
Updated
26 October 2026

Work for landlords, hotels and businesses

We work for landlords and agents as well as householders. Resealing between tenancies keeps a property looking cared for before the next move-in.

Housing providers, facilities teams and property managers book us too in Goldhanger and across Essex. We can quote a run of properties together.

Different surfaces, different methods

Stone surrounds

Stone openings are rarely perfectly straight, so the joint varies in width. We shape it by hand to follow the stone.

Timber door frames

A neat sand mastic joint round a front door suits a period home.

The process

Our applicators work methodically: protection first, then preparation, sealing and a tidy-up. For most jobs that takes a few hours for a single window, longer for several. Somewhere like Goldhanger needs a little journey planning: let us know about lanes, gates and parking. Everything for the job comes with us, so a second trip is avoided where possible.

  1. We start by checking each surround and agreeing the joints to renew.
  2. Old, loose mastic is raked out and the joint cleaned.
  3. Deep voids are packed so the mastic is the right thickness.
  4. Sand mastic is mixed and applied by hand, then shaped to the joint.
  5. The finish is dressed so it sits neatly against the stone or brick.

Before we arrive

  • Mention any sign-in or site rules at work premises
  • Tell us about any previous sealing or DIY attempts
  • Tell us about any water getting in

Get a quote

Quotes start with a quick conversation. Tell us what’s wrong, where it is and how much there is, and we will explain how we’d tackle it. Whenever you are ready, call 0345 464 0079 or drop us an email.

Get a price

Related advice

What we are called out for in Goldhanger

Some old mastic was never deep enough. A thin layer does not hold well, which is why we pack deep voids first and get the depth right.

The problems people normally mention when they call are:

  • Open joints round the window box
  • Wind and rain getting in round a sash window
  • A silicone bead on a sash window that spoils the look
  • Cracked mastic round a front door frame

In the older streets around Church of St Peter, replacement windows fitted into old openings often leave uneven gaps that need backing and a flexible joint.

Questions to ask before booking

  • How long the guarantee is
  • Which sealant they’ll use, and why
  • Who turns up on the day
  • When the joint can take water or movement

10 questions to ask before you book

FAQs for Goldhanger

Is Goldhanger in your area for sand mastic?

Yes. Our work covers London and the South East, and Goldhanger is part of that. Just phone 0345 464 0079 or email us with a few details of the job.

Is Goldhanger within the area you cover?

Yes, Goldhanger is covered. We work across London and the South East, and smaller places are part of that. The journey is planned ahead, so it helps to know about access.

Where are you based?

We’re a Crawley-based firm. We work across South East England, London and Scotland.

What guarantee comes with the work?

There’s a 12-month guarantee on every job.

Will the old sealant be removed?

Yes, always, and completely. New silicone does not stick to old silicone, so any old material comes out before anything new goes in.

Do you work for hotels and businesses?

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

Is there any odour?

There can be a smell while the sealant cures, which fades as it sets. Opening a window helps.

Can old silicone round a sash window be swapped for sand mastic?

Yes. The silicone is cut out and the joint cleaned, then point it with sand mastic.

Looking after it afterwards

To keep the joints looking good and working properly:

  • Ask us before painting near the mastic
  • Take care around the mastic when scraping paint
  • Renew mastic before redecorating the windows
  • Keep modern sealant off the mastic

Avoid sealing over the mastic with silicone. If you see a crack, ask us to take a look before trying a quick fix.

Small cracks are a sign the mastic is ageing. It’s easier to renew it before it drops out.

Frames and glazing around Goldhanger

Goldhanger is within about 1 mile of the coast, and homes near the sea take more wind-driven rain, with salt in the air closer to the shore. Both are hard on the mastic around older windows and doors, which can dry out and crack sooner where a building faces the weather. The South East is one of the drier parts of the UK, though outdoor sealant still has to go onto a dry joint, so the forecast decides the day.

Around Goldhanger, as everywhere, sand mastic is only as good as the preparation behind it.

Goldhanger is about 3 miles north-east of Maldon, in Essex. Whether you are in the middle of Goldhanger or further out, we cover sand mastic for every kind of property, from flats and houses to offices and hotels. Our area takes in 644 places across Essex, from the larger towns to small villages. We also work in Chelmsford, around 12 miles away.

Postcode districts we cover here for sand mastic: CM9. Whether your property is on Sorrell Close, Hall Estate and Peartree Close or anywhere close by, we can help. Other places close to Goldhanger include Tolleshunt Major (1 mile north), Little Totham (2 miles north), Osea Island (2 miles south), Heybridge Basin (2 miles south-west) and Tolleshunt D'Arcy (2 miles north-east). Within a short drive, we also cover Colchester (12 miles north-east), Chelmsford (12 miles west), Braintree (12 miles north-west), Maldon (3 miles south-west), Rayleigh (13 miles south-west) and Witham (6 miles north-west).

Landmarks near Goldhanger

Locally, jobs take us to homes and businesses close to The Chequers pub. Well-known places in the area include Maldon & District Agricultural & Domestic Museum (less than half a mile east). Open spaces near Goldhanger include Chigborough Lakes.

Map of Goldhanger © OpenStreetMap contributors

What affects the quote in Goldhanger

Every job gets its own quote. This is what makes a difference:

  • Working hours on commercial sites
  • Whether old sealant or filler has to be cut out
  • Whether the work is at height
  • Whether there’s mould to deal with

The cost depends on the size of the job, how much old material has to come out and how easy the joints are to reach. We give a clear quote before we start, so you know where you stand.

What to tell us for a quote

Photos help, but a description is a good start. Try to tell us:

  • A few photos by email, if you can
  • What’s wrong with the joints now
  • Any previous sealing or DIY work
  • Roughly how big the job is

Need a quote? Please call 0345 464 0079 or email us with a few details. You will know what we plan to do, and what it will cost, before any work begins.

What happens if it’s left?

Replacing sash windows is a big decision for a period home and on a listed home, consent may be needed. If the frames are sound, renewing the mastic deals with gaps and draughts at the surround. Around Goldhanger, older homes often have timber in their floors and frames, where water from a failed joint can cause rot if it’s left.

A few things move the cost up or down: the old material and how easily it comes out, any mould to treat, and whether we need extra access for height. Your quote takes all of that into account.

Why us?

  • Rated 4.9 stars on Google
  • Old sealant always removed completely
  • Anti-fungal silicone where joints get wet
  • One-year guarantee on every job

See what affects the cost or our reviews.

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