Essex · England
Wix Sand Mastic
Traditional burnt sand mastic around sash and case windows and doors in stone and brick for homes and businesses in Wix and across Essex. Fully insured, ARBOMaster approved and guaranteed for a year.
- Cement or filler used on old window joints that has cracked
- Mastic worn away on windows facing the weather
- Gaps where the frame meets the masonry
Wix questions
Can you help a landlord with a rental near Wrabness station?
Yes. We work for landlords and letting agents as well as householders, and several properties can go on one quote. You can ring 0345 464 0079 or email us with the details for a clear quote.
Does living near the coast affect sand mastic in Wix?
Near the sea, outside joints face more wind, rain and salt than they would inland, so preparation and the right sealant matter all the more. Walls facing the sea are normally the first to need attention.
Do I need permission for sand mastic on a listed building?
It’s best to ask your local planning authority first. Sand mastic is often favoured as like for like but the decision is theirs.
Do you hold any approvals?
Yes. We are approved under the ARBOMaster scheme.
Does someone need to be in?
If the work is inside, we need someone to let us in. Once we’ve agreed the job, you don’t need to watch us work.
Do you come to Wix?
Yes. We work in Wix. For a quote, call 0345 464 0079 or email us.
Are you insured?
Yes. Full insurance covers our work.
Is there any odour?
Sometimes, a little. Any smell clears as the sealant cures, and ventilation helps.
About our sand mastic in Wix
A silicone bead around a sash window can look out of place and doesn’t suit the building. Sand mastic is the traditional choice, and we can replace one with the other. If you are dealing with cement or filler used on old window joints that has cracked and gaps round a timber door in stone or brick, we can help, on sash and case windows, timber door frames and brick reveals alike.
Homes in small places like Wix often stand in the open, with little to shelter their windows from wind and rain. Exposed frames and sills lose their mastic sooner than sheltered ones.
Big or small, it’s backed by our one-year guarantee in Wix and across Essex.
- Where
- Wix (CO11)
- Wider area
- Essex
- Guarantee
- One year on every job
- Quotes
- A clear quote up front
- Telephone
- 0345 464 0079
- Last updated
- 26 October 2026
Nearby places to Wix
Also in Wix
How to look after the new joints
To keep the joints looking good and working properly:
- Plan mastic work ahead of painting
- Don’t paint over the new mastic
- Check with your local planning authority if your home is listed
- Have rotten timber repaired before new mastic goes in
Leave the new mastic unpainted, as traditional guidance advises. If you’re redecorating, ask us first.
Fine cracks show the mastic is starting to fail. Renewing it then is simpler than waiting until it falls out.
What the job involves on each surface
Sash and case windows
The mastic round a sash window is on show, so a neat, even finish matters.
Timber door frames
Round a period front door, sand mastic gives the right look.
How we quote for sand mastic
Call for a quick quote. The main things that affect it are:
- The number and length of the joints
- Any working-time requirements on site
- Whether old sealant or filler has to be cut out
- Mould in or behind the old joints
A few things move the cost up or down: the old material and how easily it comes out, whether mould needs treating, and whether the work is at height. Your quote takes all of that into account.
What we need to know
There’s no need for technical detail. Just tell us:
- The type of property
- What the problem is, such as mould, gaps, leaks or cracking
- Pictures of the joints, sent by email
- How many joints, rooms or windows are involved
Asking for a quote is easy: let us know the job and the location and its rough size. A few pictures by email make the job easier to understand, and we’ll come back to you with a quote.
When to call us in Wix
Water gets into small cracks in the mastic and pushes it out. Exposed elevations usually fail first.
If you can see any of these, it’s time to have the joints looked at:
- Gaps where the frame meets the masonry
- Draughts and rain around sash boxes
- Failed mastic on an exposed elevation
- Modern sealant on a period surround
Homes close to Church of St Mary include some older properties, and the windows may be timber, sash or later replacements, and each needs the right sealant against the wall.
What your quote should include
- How long to leave it before use
- What guarantee comes with the work
- Is VAT in the price?
- Whether you can choose the colour
Frames and glazing around Wix
Wix is within about 3 miles 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. Historic houses like Thorpe Hall (about 4.3 miles south) are a reminder that the area around Wix has older buildings as well as new. Where a home is older, older frames set in brick or stone need a sealant that suits them, and sometimes that is traditional sand mastic.
Rented homes near Wrabness station change hands often, and cracked sand mastic around sash windows lets in the draughts tenants complain about. If you look after a building such as Wix and Wrabness Primary School, the mastic around its windows and doors needs looking after like any other building’s.
Wix is about 5 miles west of Harwich, in Essex. Whether you’re in the middle of Wix or further out, we cover sand mastic for every kind of property. Our area takes in 644 places across Essex. For nearby work, see our Chelmsford page (30 miles or so).
Here we cover the CO11 postcode area for sand mastic. You’ll find streets such as Hunters Court, Colchester Road and Harwich Road, all of which we cover. Close by, we work in Wix Green (1 mile east), Bradfield (2 miles north-west), Bradfield Heath (2 miles north-west), Great Oakley (2 miles east) and Wrabness (2 miles north-east). Further out, we also cover Colchester (10 miles west), Clacton-on-Sea (8 miles south), Harwich (5 miles east), Camulodunum (12 miles west), Greenstead (9 miles west) and Wivenhoe (8 miles south-west).
What’s near Wix
Locally, jobs take us to homes and businesses close to The White Hart Inn. For rail, the closest station is Wrabness station, roughly 2.3 miles north-east of the centre. The countryside around Wix includes Oakfield Wood and Alton Water.
Work for landlords, hotels and businesses
We regularly work with letting and managing agents. Tell us the address, the job and how access works.
Water getting past a failed joint can damage the building, which is a bigger problem in a rented property. Keeping joints in good order is simple maintenance that we can handle for you.
How the visit works
At the end, we look at the finished work together and explain the cure time. The work normally takes a few hours per window, depending on the condition of the joints, depending on how much there is to do. Somewhere as small as Wix, access is often the only tricky part. If the job is outside, mention outbuildings, exposed walls and how to reach them.
- We check each window surround and the condition of the joint.
- We rake out the old mastic and clean the joint.
- Large voids are packed out.
- We point the joint with sand mastic by hand.
- The finish is dressed neatly.
Before we arrive
- Where the joints are inside, avoid wetting them before we arrive
- Mention any tricky access
- Let us know if you’ve seen damp or leaks
Get a quote
We quote each job on its own, so start by telling us what you need. Just phone 0345 464 0079 or email us with the details, and photos are welcome.
Related advice
Honest limits
In fairness, some problems need a different trade:
- Broken panes
- Damaged stone surrounds
- Decayed frames that need repair
If in doubt, phone 0345 464 0079 or email us and we’ll say what we think.
What we seal
- Stone surrounds
- Sash and case windows
- Brick reveals
- Tenement windows
- Timber door frames
- Period & listed homes