East Sussex · England
Sand Mastic in Three Leg Cross
Sand mastic for Three Leg Cross, by sealant specialists with 20+ years’ experience. Rated 4.9 on Google from 180+ five-star reviews.
- Draughty sash windows at the surround
- Cracked mastic round a front door frame
- Cement or filler used on old window joints that has cracked
Sand mastic for homes and businesses in Three Leg Cross
Sand mastic does not last for ever, leaving gaps round the window. We rake it out and renew it so the surround looks right again. Typical jobs include cracked mastic round a front door frame and old cement repairs round a window that have failed, on tenement windows, brick reveals and period & listed homes.
Somewhere as small as Three Leg Cross, older homes often have timber frames set in stone or brickwork. Older buildings like these do not always suit modern silicone, so the sealant has to be chosen to suit the building.
Your job is guaranteed for a year, as with all our work.
- Where
- Three Leg Cross (TN5)
- Wider area
- East Sussex
- Cover
- A year, on every job
- Quote
- Quoted before any work starts
- Call
- 0345 464 0079
- Updated
- 26 October 2026
What we do, step by step
We bring everything the job needs with us, so you don’t need to buy or prepare anything. After a quick look at the joints together, we protect the area and start. It normally takes a few hours for a single window, longer for several. In a small place like Three Leg Cross, access is generally the main thing to plan. 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.
- New sand mastic is applied and shaped by hand.
- The finish is dressed neatly.
Preparing for the visit
- Keep children and pets away from the work area
- For business premises, tell us about site rules or sign-in
- Mention any parking rules near the property
Getting a quote
We quote each job on its own, so the first step is telling us about yours. Just phone 0345 464 0079 or drop us an email with the details and send pictures if you have them.
Advice
Honest limits
Sealant is not the answer to every problem, and we will tell you before we start. It won’t solve:
- Damaged stone surrounds
- Sashes that need overhauling
- Cracked or broken glass
If in doubt, call 0345 464 0079 or email us and we’ll say what we think.
Surfaces we seal
- Tenement windows
- Period & listed homes
- Timber door frames
- Brick reveals
- Sash and case windows
- Stone surrounds
What affects the cost of sand mastic
We do not publish a price list, because no two jobs are the same. What we look at:
- How many rooms, windows or areas are involved
- How much old sealant there is and how hard it is to remove
- The type of sealant required
- How much there is to do
What it costs depends on the amount of work, how much old material has to come out and how easy the joints are to reach. You will have a clear quote before any work starts.
What to tell us for a quote
When you call or email, it’s useful to know:
- The address or postcode of the job
- Access, such as stairs, a lift or height
- Roughly how big the job is
- Photos by email, if that is easy
Want a quote for sand mastic? Please call 0345 464 0079 or email us with a few details. We’ll explain what we’d do and give you a clear quote before any work starts.
Surface by surface
Brick reveals
Sand mastic is also used where timber frames meet brick. It suits older brickwork.
Stone surrounds
We take care not to mark the stone while raking out the old mastic.
Signs you need sand mastic in Three Leg Cross
Some old mastic was never deep enough. Mastic that’s too thin cracks and drops out so we make sure the new mastic is the right thickness.
Keep an eye out for any of the following:
- Cracked mastic round a front door frame
- Old sand mastic that has cracked, crumbled or fallen out
- Patchy fillers round a sash window
- A silicone bead on a sash window that spoils the look
If you let a flat or house near Stonegate station, any sash windows need sound mastic to keep draughts and rain out.
Comparing quotes
- What happens if they find a problem under the old sealant
- Whether all the old sealant comes out first
- What insurance they hold
- What product goes in the joint
Also near Three Leg Cross
Also in Three Leg Cross
Keeping the joints in good condition
A little care helps the new joints last. We recommend:
- Clear gutters so water doesn’t pour onto the windows
- Plan mastic work ahead of painting
- Check the mastic when you check the paintwork
- Avoid patching sand mastic with silicone
When preparing windows for paint, take care around the mastic. It can be damaged by heavy scraping.
Small cracks are a sign the mastic is ageing. Renewing it then is simpler than waiting until it falls out.
What sand mastic looks like in Three Leg Cross
Rainfall in the South East is lower than in much of the UK, yet outdoor joints still have to be sealed dry, so jobs are booked with the weather in mind. Historic houses like Scotney Castle (about 2.6 miles north) are a reminder that the area around Three Leg Cross has older buildings as well as new. In older buildings, older timber frames in brick or stone need a different approach from a modern uPVC window.
For site and facilities teams at buildings such as Ticehurst and Flimwell Church of England Primary School, the mastic around its windows and doors needs looking after like any other building’s. If you live in an older home near St Mary's Church, replacement windows fitted into old openings often leave uneven gaps that need backing and a flexible joint.
Three Leg Cross is about 8 miles south-east of Royal Tunbridge Wells, in East Sussex. Three Leg Cross gets the same service as everywhere we cover: the old material taken out, joints prepared properly and a 12-month guarantee. Across East Sussex, we cover 289 places, and Three Leg Cross is one of them. There’s also a page for Crawley, roughly 26 miles from Three Leg Cross.
Our applicators cover all of TN5 for sand mastic. Neighbouring places we cover for sand mastic include Ticehurst (1 mile south-east), Stonecrouch (1 mile north-east), Flimwell (2 miles east), Kilndown (2 miles north) and Bedgebury Cross (3 miles north-east). We also work in nearby towns such as Hastings (15 miles south-east), Bexhill-on-Sea (15 miles south), Hailsham (15 miles south-west), Crowborough (10 miles west), St Leonards (15 miles south-east) and Uckfield (14 miles south-west).
What’s near Three Leg Cross
In Three Leg Cross, that means homes and buildings near The Bull Inn Public House, among other places. For rail, the closest station is Stonegate station, roughly 3 miles south-west. Nearby you will also find Old Scotney Castle (2.5 miles north) and Finchcocks Musical Museum (3.4 miles north). Not far away are Bewl Water.
For landlords and businesses
Failed sealant is one of the commonest items on a check-out report, and it’s quick to put right between tenancies. We can quote for more than one property at once.
Whether it’s one flat or a portfolio, you get the same standard of work: old sealant fully removed, joints prepared properly and a one-year guarantee.
Your questions about sand mastic in Three Leg Cross
Do you work for landlords with property near Stonegate station?
Yes, landlords and agents are among the people we work for. You can call 0345 464 0079 or send us an email with the details for a clear quote.
Is Three Leg Cross in your area for sand mastic?
Yes, Three Leg Cross is within the area we cover. Our work covers London and the South East. You can ring 0345 464 0079 or drop us an email and tell us what needs doing.
Which products do you use?
It depends on the joint: anti-fungal sanitary silicone in wet areas, and other sealants where joints move or face the weather. Brands we use include Arbo and Everbuild.
Do I have to be there?
That depends on where the joints are. Inside work needs someone to give us access, and for outside work we will agree access with you when we book.
Do you take out the old sealant first?
Yes. We cut out all the old sealant and clean the joint before applying anything new.
Can I add another job to the visit?
Yes. Tell us about everything you’d like done.
Can you seal over the old sealant?
No, and we never do. It can look neat for a few weeks, but the new bead soon lifts. The old sealant has to come out completely.
Should I check with the council before work on a listed or conservation-area home?
Speak to your local planning authority before work starts. Like-for-like sand mastic is often the preferred finish but the decision is theirs.