Kent · England
Danaway Sand Mastic
Specialist sand mastic for Danaway: careful preparation, the right product and tidy work. Ask us for a quick quote.
- Old cement repairs round a window that have failed
- Open joints round the window box
- Mastic worn away on windows facing the weather
Aftercare tips
Looking after new joints is easy:
- Look over the window mastic once a year
- Go gently near the mastic when preparing windows
- Get any rot dealt with first
- Avoid patching sand mastic with silicone
Keep paint scrapers and sanders off the mastic when redecorating. It can be damaged by heavy scraping.
Gaps round a sash box let in draughts and rain. The longer it’s left, the more the joint opens as more mastic falls out.
Sand mastic for homes and businesses in Danaway
We work across Danaway renewing sand mastic on sash windows and doors. Every joint is cleaned out and filled by hand, finished to suit the masonry. We work on sash and case windows, timber door frames and tenement windows, and common reasons people get in touch are crumbling sand mastic round a window and window mastic to renew ahead of painting.
Outdoor sealant needs dry, clean surfaces, so work on frames around Danaway is planned for dry weather. Tell us about access to every side of the house, including upper-floor windows.
There’s a 12-month guarantee on every job, whatever its size.
- Location
- Danaway (ME9)
- Wider area
- Kent
- Cover
- 12 months on all our work
- Quotes
- A clear quote up front
- Phone
- 0345 464 0079
- Updated
- 26 October 2026
Nearby places to Danaway
More services for Danaway
Why deal with it now?
Not every draught comes from the sashes themselves. Open mastic joints round the box can let air in, and renewing the mastic closes them. Older cottages and farmhouses around Danaway can have timber floors and frames, and water through a failed joint can rot timber if it’s left.
A few things move the cost up or down: how much old sealant there is and how stubborn it is, any mould to treat, and whether we need extra access for height. We take all of that into account in your quote.
Why us?
- 12-month guarantee on every job
- 20+ years of sealant experience
- Any old sealant cut out fully, not covered over
- Rated 4.9 stars on Google
Take a look at what affects the cost or customer reviews.
Danaway: your questions answered
Do you cover smaller places like Danaway?
Yes. Danaway is within the area we cover, which takes in towns, villages and rural addresses. We work across London and the South East. Just mention lanes, gates or anything else about the route when you book.
Can you help a landlord with a rental near Newington station?
Yes. We work for landlords and agents as well as householders. You can phone 0345 464 0079 or drop us an email with the details for a clear quote.
Do you work for hotels and businesses?
Yes. Commercial and hotel work is a large part of what we do. We can talk about working times when we quote.
How much does sand mastic cost in Danaway?
There’s no set price, as it depends on the job: its size, the old material, access and the product needed. You will get a clear quote before any work starts.
Is it messy?
Tidy work is part of the job. We protect what’s around the joints, and the area is left clean when we finish.
What exactly is sand mastic?
Sand plus a binder based on linseed oil. It’s applied by hand and finished to sit neatly against the masonry.
Should I check with the council before work on a listed or conservation-area home?
Yes, it’s worth checking. Your local planning authority can say if consent is needed for work on a listed home or in a conservation area.
Where are you based?
Our base is in Crawley, West Sussex, and we work across South East England, London and Scotland.
DIY sealant or a professional job?
If you do try it yourself, take your time over the preparation: take out all the old sealant, make sure the joint is clean and dry, and give it the full cure time. If it does not work out, we can still put it right.
A careful DIYer can reseal a simple joint, like a short, easy-to-reach joint indoors. The common mistakes are sealing over old sealant, sealing a damp joint and using far too much.
Windows and doors in Danaway
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.
In the older streets around Church of St Peter and St Paul, the windows may be timber, sash or later replacements, and each needs the right sealant against the wall. For landlords with property near Newington station, older sash windows in a rental need their mastic kept sound to keep the weather out. Managing a site like Borden Church of England Primary School? Then larger buildings have plenty of frames, and the mastic around each one ages.
Danaway is about 3 miles west of Sittingbourne, in Kent. From the centre of Danaway to the outskirts, we cover sand mastic for every kind of property, from flats and houses to offices and hotels. We cover 922 towns and villages across Kent. Chelmsford is on our list too, around 29 miles away.
Every address in ME9 is covered for sand mastic. Sand mastic is available to properties on Westfield Gardens, Oak Close and Wormdale Hill. Nearby, we also carry out sand mastic in Oad Street (1 mile south-east), Chestnut Street (1 mile north-east), Newington (1 mile north), Keycol (1 mile north-east) and Bobbing (1 mile north-east). Larger places within reach include Maidstone (8 miles south-west), Sittingbourne (3 miles east), Gravesend (14 miles north-west), Whitstable (15 miles east), Faversham (9 miles east) and Minster (8 miles north-east).
Landmarks near Danaway
In Danaway, that means homes and buildings near Westlands School and Plough & Harrow pub, among other places. The nearest railway station is Newington station, about 1.2 miles north. Nearby you will also find Bayford Court (3 miles east) and Court Hall Museum (2.7 miles east). For a walk, there’s Detling Hill.
Honest limits
It helps to know what we can’t do too:
- Timber that has rotted
- Sash cords, weights and draught-proofing of the sashes
- Cracked or broken glass
Not sure which it is? You can phone 0345 464 0079 or email us and we will tell you honestly before you book.
Where we work in Danaway
- Sash and case windows
- Brick reveals
- Tenement windows
- Stone surrounds
- Timber door frames
- Period & listed homes
Landlord and commercial work in Danaway
Failed sealant is one of the commonest items on a check-out report, and it’s easy to sort out between tenants. We can quote for more than one property at once.
If you manage several properties in or around Danaway, several properties can go on one quote. Just tell us the addresses and what each one needs.
What happens on the day
We work through the job in order: protection first, then preparation, sealing and a tidy-up. For most jobs that takes a few hours per window, depending on the condition of the joints and we leave things clean and tidy. In a small place like Danaway, access is normally the main thing to plan. If the job is outside, mention outbuildings, exposed walls and how to reach them.
- We check the window surrounds and agree which joints need renewing.
- Old, loose mastic is raked out and the joint cleaned.
- Deep voids are packed so the mastic is the right thickness.
- 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.
Preparing for the visit
- Tell us about any water getting in
- Move anything stored near the joints
- Keep children and pets away from the work area
Getting a quote
Call for a quick quote, or email us if that is easier. Describe what needs sealing and we’ll talk you through the work.
Read more
Surface by surface
Stone surrounds
Old stone surrounds are often uneven, so the gap is not the same all the way round. Sand mastic is shaped by hand to suit.
Period and listed homes
Many older homes were built with sand mastic round the windows. If your home is listed, ask your local planning authority about consent.