East Sussex · England
Five Ashes Sand Mastic
Traditional burnt sand mastic around sash and case windows and doors in stone and brick for homeowners, landlords and businesses in Five Ashes. Fully insured, ARBOMaster approved and guaranteed for a year.
- Draughts and rain around sash boxes
- Old cement repairs round a window that have failed
- Mastic round period door frames that has failed
What sealant work cannot fix
We’ll always be straight with you, so here’s what sealant can’t fix:
- Sashes that rattle, stick or will not open
- Decayed frames that need repair
- Damaged stone surrounds
If you’re not sure, just call 0345 464 0079 or email us and we’ll give you a straight answer.
What we seal
- Brick reveals
- Period & listed homes
- Stone surrounds
- Sash and case windows
- Tenement windows
- Timber door frames
About our sand mastic in Five Ashes
Sand mastic is the traditional way to point the gap between a timber window frame and the stone or brick around it. It’s a mix of sand and a linseed-oil-based binder and built up by hand. On older homes, it suits the building far better than silicone. If you have gaps round a timber door in stone or brick and mastic worn away on windows facing the weather, we can help, whatever the surface.
Somewhere as small as Five Ashes, older homes often have timber frames set in stone or brickwork. Older buildings like these don’t always suit modern silicone, and sometimes a traditional sand mastic is the better choice.
You’re covered for a year from the day we finish. If anything is not right with it, phone 0345 464 0079 or email us.
- Place
- Five Ashes (TN20)
- Region
- East Sussex
- Guarantee
- One year on every job
- Price
- A clear price before we start
- Telephone
- 0345 464 0079
- Page updated
- 26 October 2026
Work for landlords, hotels and businesses
Housing providers, facilities teams and property managers book us too. We can quote a run of properties together, and we’re fully insured for the work.
For anyone letting property in or around Five Ashes, jobs at different addresses can go on one quote. Send us the addresses and the work at each, and photos by email help.
What we do, step by step
On the day, there’s very little for you to do. Point us to the joints and we’ll get on with it. The work itself takes a few hours per window, depending on the condition of the joints from start to finish. For a village or hamlet like Five Ashes, the journey is planned in advance: let us know about lanes, gates and parking. We bring what the job needs, so it can be finished in one trip where possible.
- First, we look at the surrounds with you and agree what needs doing.
- Old, loose mastic is raked out and the joint cleaned.
- Deep voids are packed so the mastic is the right thickness.
- Sand mastic is mixed and applied by hand, then shaped to the joint.
- The finish is dressed so it sits neatly against the stone or brick.
Getting ready for the visit
- Let us know about earlier repairs to the joints
- For indoor joints, keep the area dry beforehand if you can
- Clear items away from the joints we are working on
How to get a quote
Call for a quick quote, or email us if that is easier. Tell us about the joints that need doing and we will explain what’s involved.
Advice
Why it’s worth doing now in Five Ashes
Silicone might seem the quicker option, but it can look wrong on a period surround. Sand mastic suits the building and blends with the stone or brick. In a small place like Five Ashes, homes can be exposed to wind and rain, which finds any gap, and older walls, once damp, take a long time to dry.
Combining jobs into one visit generally makes better use of the time than several visits, so tell us about everything that needs sealing. You will get one clear quote for the whole job.
Why us?
- 20+ years of sealant experience
- Anti-fungal sanitary silicone in wet areas
- We leave the area clean and tidy
- Rated 4.9 stars on Google
See our cost guide and our reviews.
DIY versus a professional finish
Not every job suits DIY: high-level joints, fire-rated gaps, external movement joints and big jobs call for the right materials, safe access and experience.
The biggest DIY mistake is sealing over old sealant. Silicone does not stick to old silicone, so it lifts and traps water and mould underneath. Everything old must be removed first.
Keeping the joints in good condition
Simple care keeps the joints in good condition. Our advice:
- Avoid heavy scraping on the mastic joint
- Check the mastic when you check the paintwork
- Clear gutters so water does not pour onto the windows
- Do not run silicone over sand mastic
Make sure water drains away from the window surround. Constant wetting wears the mastic faster.
Small cracks are a sign the mastic is ageing. Renewing it then is simpler than waiting until it falls out.
How we quote for sand mastic
Some jobs are bigger than they look, and some smaller. The main factors:
- Whether there’s mould to deal with
- Whether the work is at height
- The number of rooms or windows
- The number and length of the joints
Commercial jobs are quoted on the same basis as homes: how much there is to do, how we reach it and what it needs, along with when we can work on site. Ask us for a quote and we’ll explain what it covers.
Asking for a quote
What to tell us when you ask for a quote:
- Any access issues, like height or stairs
- If someone has resealed it before
- Photos by email, if that’s easy
- The type of property
Asking for a quote is easy: let us know what needs doing and where. A few pictures by email make the job easier to understand, and we will come back to you with a quote.
What sand mastic looks like in Five Ashes
London and the South East are among the drier parts of the UK, though outdoor sealant still has to go onto a dry joint, so the forecast decides the day.
Schools such as Five Ashes CofE Primary School are buildings too, and its window and door frames need their mastic kept sound, just like a home’s. Letting a property close to Crowborough station? Then any sash windows need sound mastic to keep draughts and rain out. Homes close to Church of the Good Shepherd include some older properties, and the joint between an old wall and a newer frame is usually the first place rain gets in.
Five Ashes is about 4 miles south-east of Crowborough, in East Sussex. Every kind of property in Five Ashes is covered for sand mastic, old or new, large or small. The work is guaranteed for a year. We cover 289 towns and villages across East Sussex, large and small. You can also see our page for Crawley, roughly 19 miles from Five Ashes.
Every address in TN20 is within our area for sand mastic. We cover properties on Westfield Close, Leeds Lane and Spring Lane and the roads around them. We also cover Skippers Hill (1 mile north), Butcher's Cross (1 mile north), Woolbridge (1 mile north-east), Wellbrook (1 mile north-east) and Mayfield (2 miles north-east). Within a short drive, we also cover Eastbourne (15 miles south), Bexhill-on-Sea (15 miles south-east), Lewes (13 miles south-west), Hailsham (10 miles south), Crowborough (4 miles north-west) and Uckfield (6 miles south-west).
Local landmarks in Five Ashes
In Five Ashes, that means homes and buildings near Skippers Hill Manor School and The Five Ashes Inn. Five Ashes’s nearest station is Crowborough station, roughly 3.3 miles north-west of the centre. Well-known places in the area include Tickerage Castle (3.8 miles south-west) and Crowborough War Memorial Hospital (4.3 miles north-west). The countryside around Five Ashes includes Selwyns Wood.
Five Ashes: your questions answered
Do you work for landlords with property near Crowborough station?
Yes, we work for landlords and agents. 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 we start.
Is Five Ashes within the area you cover?
Yes, we do. Our work covers London and the South East, and smaller places are part of that. The journey is planned ahead, so it helps to know about access.
Is there any odour?
Possibly a little. Any smell clears as the sealant cures, and ventilation helps.
Should I try DIY first?
Sometimes. Preparation is everything: all the old sealant out, and a clean, dry joint. We can always put it right if it fails.
Does someone need to be in?
For indoor joints, yes, someone needs to let us in. After that, you can carry on with your day.
What exactly is sand mastic?
Sand mastic is a traditional material for pointing round windows and doors. It’s made with sand and a linseed-oil-based binder.
Do you remove the old sealant?
Yes. All of the old material is cut out and the joint cleaned before applying anything new.
Is it possible to take out silicone and use sand mastic instead?
Often, yes. With the silicone removed and the joint cleaned we point it with sand mastic.