Kent · England
Sand mastic for sash & case windows in Rodmersham, Kent
Problem with your window and door surrounds in Rodmersham? We cut out the old, prepare the joints and apply the right sealant.
- Old cement repairs round a window that have failed
- Wind and rain getting in round a sash window
- Weathered mastic on the most exposed windows
Questions from Rodmersham
Do you cover smaller places like Rodmersham?
Yes. Rodmersham 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.
Does the coastal weather in Rodmersham affect outside sealant?
Near the coast, wind-driven rain and, nearer the shore, salt air make outside sealant work harder. The right product, a clean joint and the right depth all help it cope.
What exactly is sand mastic?
It’s a mix of sand and a linseed-oil-based binder. It’s built up in the joint by hand and shaped to suit the surround.
Is there any odour?
Possibly a little. It fades as the sealant cures, and ventilation helps.
Can old silicone round a sash window be swapped for sand mastic?
Often, yes. Once the silicone is out and the joint prepared we point it with sand mastic.
Can I do it myself?
It depends on the job. High-level, external movement and fire-rated joints are professional jobs, while a short indoor joint may be within reach.
Is sand mastic better than silicone for my windows?
We’ll help you decide. Sand mastic suits many period homes, and modern sealants suit newer frames.
Should I check with the council before work on a listed or conservation-area home?
Check with your local planning authority. They’ll tell you if consent is needed.
Sand mastic in Rodmersham, done properly
Sand mastic has long been used to fill the joint between timber frames and masonry. It’s a mix of sand and a linseed-oil-based binder and built up by hand. On period homes, it looks right where silicone wouldn’t. Typical jobs include draughty sash windows at the surround and crumbling sand mastic round a window, on period & listed homes, brick reveals and timber door frames.
Around Rodmersham, many homes face open ground, so their windows and doors take the full weather. Exposed frames and sills lose their mastic sooner than sheltered ones.
Each job carries a 12-month guarantee.
- Where
- Rodmersham (ME9)
- Region
- Kent
- Guarantee
- One year on every job
- Quote
- Quoted before any work starts
- Phone
- 0345 464 0079
- Last updated
- 26 October 2026
Windows and doors in Rodmersham
Rodmersham is within about 3 miles of the coast, where wind-driven rain is a fact of life and, nearer the shore, so is salt air. Both are hard on the mastic around older windows and doors, which can dry out and crack sooner where a building faces the weather. 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.
Letting a property close to Sittingbourne station? Then any sash windows need sound mastic to keep draughts and rain out. If you look after a building such as Rodmersham School, the mastic around its windows and doors needs looking after like any other building’s.
Rodmersham is about 2 miles south-east of Sittingbourne, in Kent. Across the ME9 area, we can carry out sand mastic at your property. Our Kent coverage runs to 922 places, Rodmersham among them. There’s also a page for Chelmsford, about 31 miles away.
Work in ME9 is quoted and booked the same way as anywhere else. Other places close to Rodmersham include Bapchild (1 mile south), Rodmersham Green (1 mile west), Highsted (1 mile west), Radfield (1 mile north-east) and Newbury (1 mile south). Larger places within reach include Maidstone (11 miles west), Ashford (13 miles south), Canterbury (14 miles east), Whitstable (12 miles east), Faversham (5 miles east) and Minster (7 miles north).
Near you in Rodmersham
Typical jobs here are in homes near The Sittingbourne School and Cromers Wood, among other places. For rail, the closest station is Sittingbourne station, roughly 1.8 miles north-west. A little further out are Bayford Court (1.6 miles north-west) and Sittingbourne Heritage Museum (1.4 miles north-west).
Nearby places to Rodmersham
What else we do in Rodmersham
How the job changes by surface
Brick reveals
Loose mastic comes out and deep gaps are packed before pointing.
Sash and case windows
Most of our sand mastic work is on sash windows. We renew the mastic round each box.
DIY sealant or a professional job?
Too much sealant is as bad as too little. A heavy bead looks messy and copes badly with movement, and the joint depth matters as much as the finish.
Some jobs are best left to a professional: work at height, external movement joints, fire-rated sealant and large areas call for the right materials, safe access and experience.
What we do, step by step
The work is kept neat and contained to the area we’re working on. The job usually takes anything from a few hours to a full day, depending on how many windows, and we tell you how long to leave it before we go. In a small place like Rodmersham, access is normally the main thing to plan. For outside work, also let us know about exposed walls and any outbuildings involved.
- 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 mastic is finished to sit tidily against the stone or brick.
Preparing for the visit
- Mention any sign-in or site rules at work premises
- Mention any tricky access
- Clear the area around the work
How to get a quote
For sand mastic in Rodmersham, phone 0345 464 0079 or send us an email. A short description of the job and where it is helps us quote, and we’ll agree the price before any work begins.
Advice
Leave it or put it right?
A silicone bead can be quicker, but on period stone or brick it often looks out of place. Sand mastic suits the building and finishes neatly against the masonry. Around Rodmersham, older homes often have timber in their floors and frames, and water through a failed joint can rot timber if it’s left.
Some things make a job bigger or smaller: how much old sealant there is and how stubborn it is, whether mould needs treating, and whether the work is at height. We take all of that into account in your quote.
What you get with us
- 20+ years of sealant experience
- Any old sealant cut out fully, not covered over
- Arbo and Everbuild products
- Every job guaranteed for a year
Take a look at what affects the cost and customer reviews.
Do you need sand mastic in Rodmersham?
Rain on the window surround works into any crack and loosens it further. Windows facing the weather tend to go first.
People normally contact us when they notice something like this:
- Draughts and rain around sash boxes
- A silicone bead on a sash window that spoils the look
- Window mastic to renew ahead of painting
- Crumbling sand mastic round a window
Homes close to Church of St Nicholas include some older properties, and the windows may be timber, sash or later replacements, and each needs the right sealant against the wall.
Before you book anyone
- How long to leave it before use
- Whether all the old sealant comes out first
- What the quote includes, VAT included or not
- Whether you can choose the colour
When it isn’t the sealant
We’ll always be straight with you, so here’s what new sealant won’t do:
- Putty and glazing repairs
- Damaged stone surrounds
- Sashes that need overhauling
If in doubt, phone 0345 464 0079 or send us an email and we will say what we think before booking.
What we seal
- Timber door frames
- Tenement windows
- Stone surrounds
- Period & listed homes
- Brick reveals
- Sash and case windows
For landlords and businesses
Letting agents often deal with us directly. Send the address, what’s needed and the access arrangements and we’ll give you a quote.
A neglected joint can let water reach the structure, which is a bigger problem in a rented property. Keeping joints in good order is simple maintenance.