Kent · England
Sand mastic for sash & case windows in Rolvenden, Kent
Sand mastic for Rolvenden and the surrounding area: the right sealant, proper preparation and a neat finish. Ask us for a quick quote.
- Tired mastic found when preparing windows for paint
- Old sand mastic that has cracked, crumbled or fallen out
- Failed mastic on an exposed elevation
Sand mastic for homes and businesses in Rolvenden
Sand mastic is the traditional way to point the gap between a timber window frame and the stone or brick around it. It’s made from sand and a linseed-oil-based binder, applied by hand. On older homes, it suits the building far better than silicone. If you’re dealing with draughts and rain around sash boxes and old cement repairs round a window that have failed, we can help, on stone surrounds, timber door frames and brick reveals alike.
Around Rolvenden, many homes face open ground, so their windows and doors take the full weather. That exposure dries out and cracks the mastic around frames and sills faster.
Each job carries a 12-month guarantee.

- Where
- Rolvenden (TN17)
- Wider area
- Kent
- Cover
- 12 months on all our work
- Quotes
- Quoted before any work starts
- Call
- 0345 464 0079
- Updated
- 26 October 2026
Common problems we fix in Rolvenden
Sand mastic slowly weathers. It dries out, cracks and loses its grip from the frame or the masonry.
Common reasons people contact us are:
- Window mastic to renew ahead of painting
- Cracked mastic round a front door frame
- Crumbling sand mastic round a window
- Draughts and rain around sash boxes
For an older house near a landmark such as Parish Church of St Mary, frames set in older brick or stone need a sealant that suits the wall as well as the frame.
What your quote should include
- The length of the guarantee
- Which colour the sealant will be
- Whether they seal over old material or remove it
- Whether they’re fully insured
Can I do it myself?
Overfilling a joint is a classic DIY mistake. A thick, smeared bead looks untidy and does not move well, and the joint depth matters as much as the finish.
If you’ve already had a go yourself, that’s fine. We remove it and do the joint properly, so just mention it when you contact us.
Keeping the joints in good condition
Good habits help new joints last longer. Our tips:
- Take care around the mastic when scraping paint
- Do not paint over the new mastic
- Sort the mastic before the decorators arrive
- Have rotten timber repaired before new mastic goes in
Avoid sealing over the mastic with silicone. If you see a crack, ask us to take a look before trying a quick fix.
Crumbling mastic lets rain into the joint. It can soak into the frame and the surrounding masonry so early renewal protects both.
Work for landlords, hotels and businesses
Water getting past a failed joint can damage the building, which is a bigger problem in a rented property. Resealing at the right time is simple maintenance that we can handle for you.
Businesses can book us for washrooms, kitchens, offices and more. For commercial premises, we can talk through working times when we quote.
Places near Rolvenden
Also in Rolvenden
Questions from Rolvenden
Can you do sand mastic in Rolvenden?
Yes, Rolvenden is within the area we cover. We work across London and the South East. You can ring 0345 464 0079 or send us an email and tell us what needs doing, and we’ll give you a clear quote.
Is there a guarantee on sand mastic in Rolvenden?
All our work, in Rolvenden and everywhere else, comes with a 12-month guarantee. We’re also fully insured and ARBOMaster approved.
Where do you work from?
We’re based in Crawley, and we cover South East England, London and all of Scotland.
Can tenants book the work?
Of course. Check with your landlord; we can send the quote to them too.
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 choose the sealant colour?
Normally, yes. White, clear and grey are common, and other colours are available for many products, and we agree the colour with you before any work starts.
Will there be a smell?
Some sealants have a smell while they cure, which fades as it sets. Ventilation helps.
Can you replace silicone on a period window with sand mastic?
Often, yes. With the silicone removed and the joint cleaned we point it with sand mastic.
What affects the cost of sand mastic
The price is agreed before any work begins. It’s based on:
- Mould in or behind the old joints
- How many areas need sealing
- How much there is to do
- When we can work, for business premises
What it costs depends on the size of the job, how hard the old material is to remove and how easy the joints are to reach. You will have a clear quote before any work starts, so you know where you stand.
What we need to know
A few details help us give you an accurate quote. When you get in contact, it helps to mention:
- What the problem is, such as mould, gaps, leaks or cracking
- Access, such as stairs, a lift or height
- Where the job is, and your postcode
- Pictures of the joints, sent by email
For a quote, call 0345 464 0079 or send us an email with the location and a short description of the problem. You’ll have a clear quote before any work starts.
What sand mastic looks like in Rolvenden
Historic houses like Smallhythe Place (about 3.1 miles east) are a reminder that the area around Rolvenden 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. The South East is one of the drier parts of the UK, yet outdoor joints still have to be sealed dry, so jobs are booked with the weather in mind.
Managing a site like Rolvenden Primary School? Then its window and door frames need their mastic kept sound, just like a home’s.
Rolvenden is about 12 miles south-west of Ashford, in Kent. From the centre of Rolvenden to the outskirts, sand mastic is available for homes and businesses alike, from flats and houses to offices and hotels. Our area takes in 922 places across Kent, from the larger towns to small villages. Crawley is on our list too, about 36 miles from Rolvenden.
Work in TN17 works the same way as everywhere else we cover. That includes homes and businesses on High Street, Sparkeswood Avenue and Glebe Field. Neighbouring places we cover for sand mastic include West Cross (1 mile west), Rolvenden Layne (1 mile south-east), Strood (1 mile north-east), Parkgate (2 miles north) and East End (3 miles north). Larger places within reach include Maidstone (15 miles north), Ashford (12 miles north-east), Paddock Wood (14 miles north-west), Tenterden (3 miles north-east), Bearsted (15 miles north) and Park Wood (13 miles north).
Around Rolvenden
Around Rolvenden, our work takes us to homes and buildings near The Star Public House, among other places. Other landmarks nearby include The C.M Booth Collection (less than half a mile west) and Benenden Hospital (2.4 miles north).
Honest limits
A few problems are outside what sealant work can do:
- Planning or listed building consent (your local planning authority decides)
- Broken panes
- Sash cords, weights and draught-proofing of the sashes
If in doubt, phone 0345 464 0079 or email us and we will say what we think.
Joints and surfaces we work on
- Brick reveals
- Tenement windows
- Timber door frames
- Stone surrounds
- Period & listed homes
- Sash and case windows
How it works
There isn’t much for you to do on the day. Point us to the joints and we’ll get on with it. The work itself takes a few hours for a single window, longer for several. Somewhere like Rolvenden needs a little journey planning: let us know about lanes, gates and parking. Everything for the job comes with us, so a second trip is avoided where possible.
- We start by checking each surround and agreeing the joints to renew.
- Old, loose mastic is raked out and the joint cleaned.
- Large voids are packed out first, so the mastic isn’t too thick.
- The mastic is mixed, pressed into the joint by hand and shaped.
- The finish is dressed so it sits neatly against the stone or brick.
Getting ready for the visit
- Keep pets and children clear of the area while we work
- Try not to wet indoor joints just before the visit
- Clear the area around the work
Ask for a quote
A good description makes for an accurate quote. Let us know the location, the problem and roughly how many joints, and email pictures if that’s easy.
