Kent · England
Sand Mastic in Leigh Green
Traditional burnt sand mastic around sash and case windows and doors in stone and brick for homeowners, landlords and businesses in Leigh Green. Fully insured, ARBOMaster approved and guaranteed for a year.
- Wind and rain getting in round a sash window
- Cement or filler used on old window joints that has cracked
- Silicone on a period window that looks wrong
What we can’t put right
We’d rather tell you now than do work that won’t last, so here’s what sealant can’t put right:
- Decayed frames that need repair
- Planning or listed building consent (your local planning authority decides)
- Putty and glazing repairs
If you are not sure, just ring 0345 464 0079 or email us and we will give you a straight answer.
Joints and surfaces we work on
- Stone surrounds
- Period & listed homes
- Brick reveals
- Tenement windows
- Sash and case windows
- Timber door frames
How we handle sand mastic in Leigh Green
For a listed home or one in a conservation area, ask your local planning authority if consent is needed before window work. Sand mastic is often favoured as a like-for-like material. If you’re dealing with old cement repairs round a window that have failed and mastic worn away on windows facing the weather, we can help, on sash and case windows, tenement windows and period & listed homes alike.
Homes in small places like Leigh Green often stand in the open, with little to shelter their windows from wind and rain. That exposure dries out and cracks the mastic around frames and sills faster.
The work is covered for a year after we finish. If there’s a problem with it, please phone 0345 464 0079 or send us an email.

- Location
- Leigh Green (TN30)
- Wider area
- Kent
- Cover
- 12 months on all our work
- Price
- A clear price before we start
- Call
- 0345 464 0079
- Page updated
- 26 October 2026
When to call us in Leigh Green
Water gets into small cracks in the mastic and pushes it out. Windows facing the weather tend to go first.
If you can see any of these, it’s time to have the joints looked at:
- Gaps between timber frames and stone or brick
- Weathered mastic on the most exposed windows
- Wind and rain getting in round a sash window
- Cracked mastic round a front door frame
For an older house near a landmark such as Parish Church of St Mildred, the joint between an old wall and a newer frame is generally the first place rain gets in.
What your quote should include
- How the joint is cleaned and prepared
- When the joint can take water or movement
- How hidden problems are handled
- Whether they’re fully insured
Common questions in Leigh Green
Do you cover smaller places like Leigh Green?
Yes, we do. 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.
Can you help a landlord with a rental near Appledore (Kent) station?
Yes, landlords and agents are among the people we work for, and several properties can be quoted together. Just call 0345 464 0079 or email us with the address and what needs doing, and we’ll give you a clear quote.
What should I tell you?
A short description and the location, plus pictures if you have them. We’ll ask anything else we need to know.
Which products do you use?
Each joint gets the product that suits it. Movement, water and weather all affect the choice, and we’ll tell you what we are using.
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. We remove it all first.
Can you match the sealant colour?
Yes. White, clear and grey are common, and other colours are available, and we’ll agree it with you first.
Where are you based?
Our base is in Crawley, West Sussex, and we work across South East England, London and Scotland.
Should I use sand mastic or silicone?
For period timber windows in stone or brick, sand mastic is often the better fit. Modern frames normally suit a flexible sealant.
Frames and glazing around Leigh Green
Historic houses like Smallhythe Place (about 1.9 miles south) are a reminder that the area around Leigh Green 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’s traditional sand mastic. The South East is one of the drier parts of the UK, but outside sealant still needs a dry, clean surface, so outdoor work is planned around the forecast.
Schools such as Tenterden Church of England Junior School are buildings too, and the mastic around its windows and doors needs looking after like any other building’s. For landlords with property near Appledore (Kent) station, any sash windows need sound mastic to keep draughts and rain out.
Leigh Green is about 8 miles south-west of Ashford, in Kent. Wherever you are in the TN30 postcode area, our applicators can take on sand mastic. Our Kent coverage runs to 922 places, and Leigh Green is one of them. Crawley is on our list too, about 39 miles from Leigh Green.
All of TN30 is covered for sand mastic, from the main roads to the quietest streets. We also cover the places around Leigh Green: Reading Street (2 miles south-east), Brook Street (2 miles east), Stone Corner (3 miles south), Woodchurch (3 miles east) and Brattle (3 miles east). Larger places within reach include Ashford (8 miles north-east), Park Wood (14 miles north-west), Kennington (10 miles north-east), New Romney (11 miles south-east), Staplehurst (10 miles north-west) and Stanhope (8 miles north-east).
Around Leigh Green
Locally, jobs take us to homes and businesses close to Turners Field and Homewood School and Sixth Form Centre, among other places. The nearest railway station is Appledore (Kent) station, about 5 miles south-east of the centre. Well-known places in the area include Benenden Hospital (4.5 miles west) and Tenterden and District Museum (1.3 miles west).
For landlords and businesses
We also work for businesses, from offices to washrooms and kitchens. For commercial premises, we can talk through working times when we quote.
Housing providers, facilities teams and property managers book us too in Leigh Green and across Kent. We can quote a run of properties together.
How we quote for sand mastic
Call for a quick quote. What matters most is:
- Which sealant suits the joint
- The old material and how stubborn it is
- The number and length of the joints
- Working hours on commercial sites
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 work begins, so you know where you stand.
Asking for a quote
When you call or email, it’s useful to know:
- What’s wrong with the joints now
- Access, such as stairs, a lift or height
- Where the property is
- Any previous sealing or DIY work
For sand mastic in Leigh Green, phone 0345 464 0079 or drop us an email. A short description of the job and where it is helps us quote, and you will get a clear quote before work begins.
Surface by surface
Timber door frames
Doors face weather and wear and the mastic can crack early. We rake it out and renew it.
Sash and case windows
A sash window’s box frame sits in the masonry opening. Sand mastic seals the joint round it.
Why act early in Leigh Green
An open joint round the frame lets weather in. Water can get to the frame and the masonry, so dealing with it now protects both. Where a wall is exposed, as many are in small places like Leigh Green, wind-driven rain gets into any failed joint, and older walls, once damp, take a long time to dry.
We do not show prices on the website, because the cost depends so much on the job itself. For a quick quote, please ring 0345 464 0079 or drop us an email.
Why book with us
- Rated 4.9 stars on Google
- We leave the area clean and tidy
- More than 20 years in sealant work
- Anti-fungal silicone where joints get wet
The process
Before we leave, we go over the finished joints with you and explain the cure time. The work normally takes anything from a few hours to a full day, depending on how many windows, depending on the amount of work. For a village or hamlet like Leigh Green, 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.
- We look at the surrounds with you and agree the joints to renew.
- Old mastic and any loose material are raked out.
- Deep gaps are packed so the mastic sits at the right depth.
- The sand mastic is mixed and pressed into the joint by hand.
- We dress the finish so it sits neatly against the masonry.
Before we arrive
- Mention if the joints have been sealed before
- Let us know about parking restrictions
- Tell us about any water getting in
Getting a quote
We quote each job on its own. Simply phone 0345 464 0079 or send us an email and describe the job.
