East Sussex · England
Ninfield Sand Mastic
Professional sand mastic in and around Ninfield, with every bit of old sealant taken out first and a one-year guarantee.
- Window mastic to renew ahead of painting
- Modern sealant on a period surround
- Weathered mastic on the most exposed windows
Sand mastic for homes and businesses in Ninfield
We renew sand mastic around sash windows and doors set in stone or brick. The old mastic is raked out, the joint is prepared and new mastic is shaped by hand. Common call-outs are for weathered mastic on the most exposed windows and gaps between timber frames and stone or brick, on brick reveals, sash and case windows and tenement windows.
Somewhere as small as Ninfield, older homes often have timber frames set in stone or brickwork. Not every older frame suits a modern silicone bead, and sometimes a traditional sand mastic is the better choice.
The work is covered for a year after we finish. If there’s a problem with it, please phone 0345 464 0079 or email us.
- Location
- Ninfield (TN33)
- Region
- East Sussex
- Guarantee
- A year, on every job
- Quote
- A clear quote up front
- Call
- 0345 464 0079
- Last updated
- 26 October 2026

For landlords and businesses
A neglected joint can let water reach the structure, which is a bigger problem in a rented property. Keeping joints in good order is simple maintenance that we can handle for you.
We regularly work with letting and managing agents. Tell us the address, the job and how access works and we will quote.
Towns and villages near Ninfield
Other services in Ninfield
What we do, step by step
Most of a good job is in the preparation, so that’s where we spend the time. Joints are cleaned back and dried before anything new goes in. All told, the work takes anything from a few hours to a full day, depending on how many windows. For a village or hamlet like Ninfield, the journey is planned in advance: tell us about narrow lanes, gates, long drives and where we can park. Everything for the job comes with us, so a second trip is avoided where possible.
- Each surround is checked first.
- 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
- For business premises, tell us about site rules or sign-in
- Move anything stored near the joints
- Let us know about parking restrictions
How to get a quote
Call for a quick quote, or send an email if you’d rather. Tell us about the joints that need doing and we will explain what’s involved.
Related advice
What we are called out for in Ninfield
Sand mastic slowly weathers. It hardens, cracks and starts to come away on the stone or timber.
People normally contact us after spotting one of these:
- Draughts and rain around sash boxes
- Crumbling sand mastic round a window
- Old cement repairs round a window that have failed
- Weathered mastic on the most exposed windows
Schools such as Ninfield Church of England Primary School are buildings too, and the mastic around its windows and doors needs looking after like any other building’s.
What your quote should include
- What insurance they hold
- The length of the guarantee
- How the joint is cleaned and prepared
- What happens if the job turns out different
Quotes for sand mastic in Ninfield
For a quick quote, just ask. What matters most is:
- How much old sealant there is and how hard it is to remove
- The number and length of the joints
- The number of rooms or windows
- The type of sealant required
We don’t show prices on the website, because each job is priced on what it involves. Call for a quick quote.
Asking for a quote
Photos by email are helpful but not essential. Please mention:
- Whether it has been sealed before
- Where the property is
- The type of property
- The rough size of the job
It all starts with a short chat. Tell us what’s wrong, where it is and how much there is, and we’ll explain how we’d tackle it. When it suits you, call 0345 464 0079 or send us an email.
Frames and glazing around Ninfield
Rainfall in the South East is lower than in much of the UK, though outdoor sealant still has to go onto a dry joint, so the forecast decides the day.
For landlords with property near Crowhurst station, cracked sand mastic around sash windows lets in the draughts tenants complain about. In the older streets around The Parish Church of St Mary, replacement windows fitted into old openings often leave uneven gaps that need backing and a flexible joint.
Ninfield is about 3 miles north-west of Bexhill-on-Sea, in East Sussex. Every kind of property in Ninfield can book us for sand mastic, old or new, large or small. The work is guaranteed for a year. Across East Sussex, we cover 289 places, and Ninfield is one of them. You can also see our page for Brighton, roughly 24 miles from Ninfield.
Our applicators cover all of the TN33 postcode area for sand mastic and the streets around it. Whether your property is on High Street, Moons Hill and The Green or anywhere close by, we can help. Main roads around Ninfield include the B2095, which makes travel easy. Neighbouring places we cover for sand mastic include Russell's Green (1 mile south), Hooe Common (1 mile south), Lunsford's Cross (1 mile south-east), Catsfield (1 mile north-east) and Watermill (2 miles south-east). Larger places within reach include Eastbourne (9 miles south-west), Hastings (6 miles east), Bexhill-on-Sea (3 miles south-east), Hailsham (7 miles west), St Leonards (6 miles east) and Uckfield (15 miles west).
Near you in Ninfield
Around Ninfield, our work takes us to homes and buildings near Ashburnham Park and the streets around them. For rail, the closest station is Crowhurst station, about 3.5 miles east of the centre. Well-known places in the area include Bexhill Hospital (3.5 miles south-east) and Herstmonceux Castle (3.8 miles west). Not far away are Senlac Hill and Gillham Wood.
Surface by surface
Tenement and terrace windows
Rows of sash windows on tenements and terraces often need renewing together. We work on single windows or whole elevations.
Stone surrounds
The stone is treated with care while raking out the old mastic.
Why it’s worth doing now in Ninfield
Not every filler suits an old window surround. Sand mastic matches what was there, which can matter on listed and conservation-area homes. Older cottages and farmhouses around Ninfield can have timber floors and frames, and water through a failed joint can rot timber if it’s left.
The cost depends on the amount of work, how much old material has to come out and how easy the joints are to reach. We give a clear quote before any work starts, so you know where you stand.
What you get with us
- 12-month guarantee on every job
- Old sealant always removed completely
- 20+ years of sealant experience
- ARBOMaster approved applicator
Read how sealant jobs are priced or our reviews.
When it isn’t the sealant
We’ll always be straight with you, so here’s what sealant can’t fix:
- Rotten sashes, sills or window boxes (a joiner’s job)
- Cracked or broken glass
- Masonry that needs repairing
Not sure which it is? You can call 0345 464 0079 or drop us an email and we will tell you honestly.
Joints and surfaces we work on
- Sash and case windows
- Brick reveals
- Tenement windows
- Period & listed homes
- Stone surrounds
- Timber door frames
Common questions in Ninfield
Can you help a landlord with a rental near Crowhurst station?
Yes, rental work is part of what we do. You can ring 0345 464 0079 or drop us an email with the address and a few details, and we will give you a fixed price before any work starts.
Will you come out to Ninfield?
Yes, smaller places are covered as well as towns. Our work covers London and the South East. Let us know about access, parking and anything unusual about getting there when you book.
What information do you need?
Where the job is, what the problem is and roughly how big it is. If you can, email a few pictures.
Are you an approved applicator?
Yes. We’re ARBOMaster approved, the scheme for applicators of Arbo sealants.
Can you seal over the old sealant?
No. Fresh sealant doesn’t stick to old sealant, and anything trapped underneath, including mould and water, stays there. It all has to come out first.
What does sand mastic cost?
Size, access and the old material all affect the cost. Call for a quick quote and we’ll talk you through it.
Is consent needed for window work on a listed home?
Speak to your local planning authority before work starts. Like-for-like sand mastic is often the preferred finish, but they decide.
Should I try DIY first?
You can, for simple jobs. The key is preparation: remove all the old material and work on a clean, dry joint. We can always put it right if it fails.
