Kent · England
Sand mastic for sash & case windows in Romney Street, Kent
Sand mastic for Romney Street and the surrounding area: the right sealant, proper preparation and a neat finish. Ask us for a quick quote.
- Draughts and rain around sash boxes
- Tired mastic found when preparing windows for paint
- Patchy fillers round a sash window
Looking after it afterwards
Joint life depends on how it’s used and looked after. We suggest:
- Check with your local planning authority if your home is listed
- Get any rot dealt with first
- Look over the window mastic once a year
- Do not run silicone over sand mastic
Keep gutters and sills clear so water runs away from the surround. Water sitting against the mastic shortens its life.
Once mastic starts to crumble, rain gets in. It can soak into the frame and the surrounding masonry so early renewal protects both.
Sand mastic in Romney Street, done properly
Old sand mastic cracks, crumbles and falls out over time, leaving gaps round the window. Renewing it closes the gap and tidies the surround. Common call-outs are for failed mastic on an exposed elevation and silicone on a period window that looks wrong, across timber door frames, stone surrounds and brick reveals.
Around Romney Street, 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.
The work is covered for a year after we finish. If anything isn’t right with it, phone 0345 464 0079 or email us.
- Place
- Romney Street (TN15)
- Wider area
- Kent
- Guarantee
- 12 months on all our work
- Price
- A clear price before work begins
- Call
- 0345 464 0079
- Last updated
- 26 October 2026
For landlords and businesses
Hotels need rooms back in use, so we plan the work room by room. Hotel work is part of what we do, alongside homes and businesses.
We regularly work with letting and managing agents. Tell us the address, the job and how access works and we will give you a quote.
Common questions in Romney Street
Can you help a landlord with a rental near Shoreham (Kent) station?
Yes. We work for landlords and agents as well as householders, and several properties can go on one quote. Just phone 0345 464 0079 or drop us an email with the address and what needs doing, and we’ll give you a clear price.
Do you cover Romney Street for sand mastic?
Yes. Our work covers London and the South East, and Romney Street is part of that. Just call 0345 464 0079 or email us with a few details of the job.
Can I do it myself?
For a simple, easy-to-reach joint, a careful DIYer can do a reasonable job. The usual mistakes are sealing over old sealant, sealing a damp joint and using too much.
How long will you be here?
Typically it takes a few hours for a single window, longer for several. Larger jobs naturally take longer, and we will tell you how long to expect.
Are you ARBOMaster approved?
Yes. We’re an ARBOMaster approved applicator, which is run for the Arbo sealant brand.
Do I have to be there?
For indoor joints, yes, someone needs to let us in. After that, you can carry on with your day.
Do you work for hotels and businesses?
Yes, regularly. We can plan bigger jobs in stages to suit the site.
What do you need from me for a quote?
Just the basics: where it is, what you’ve noticed and how we reach it. Then ring 0345 464 0079 or drop us an email.
Also near Romney Street
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What affects the cost of sand mastic
The quote reflects the job in front of us. We take into account:
- How much old sealant there is and how hard it is to remove
- Any working-time requirements on site
- Whether there’s mould to deal with
- Which sealant suits the joint
Commercial jobs are quoted on the same basis as homes: the amount of work, the access and the products needed, plus any working-time requirements on site. Call for a quick quote and we will explain what it covers.
What to tell us for a quote
When you contact us, it’s useful to know:
- The problem you’ve noticed
- The rough size of the job
- Any access issues, like height or stairs
- The type of property
Want a quote for sand mastic? Please ring 0345 464 0079 or drop us an email with a few details. You will know what we plan to do, and what it will cost, before any work begins.
Honest limits
New sealant cannot fix everything, and we’ll tell you before any work starts. Sealant won’t put right:
- Decayed frames that need repair
- Broken panes
- Crumbling stone or brickwork round the window
If you are not sure, just phone 0345 464 0079 or drop us an email and we’ll give you a straight answer.
Where we work in Romney Street
- Brick reveals
- Timber door frames
- Stone surrounds
- Tenement windows
- Sash and case windows
- Period & listed homes
Can I do it myself?
Not every job suits DIY: high-level joints, fire-rated gaps, external movement joints and big jobs need the right product, the right access and the right method.
The difference is mostly in the preparation and the product. We take joints back to clean, dry surfaces, and the sealant is chosen for how the joint moves and where it is.
What we are called out for in Romney Street
Over the years, sand mastic weathers. It dries out, cracks and loses its grip from the frame or the masonry.
Any of these means the joints need attention:
- Failed mastic on an exposed elevation
- Mastic dropping out of the joint
- A silicone bead on a sash window that spoils the look
- Draughty sash windows at the surround
For landlords with property near Shoreham (Kent) station, any sash windows need sound mastic to keep draughts and rain out.
What your quote should include
- Which colour the sealant will be
- How much experience the applicator has
- Whether they’re fully insured
- How long the guarantee is
Frames and glazing around Romney Street
With historic houses such as Lullingstone Castle (about 2.3 miles north-west) nearby, there’s older building stock in the area around Romney Street as well as newer homes. Where a home is older, older timber frames in brick or stone need a different approach from a modern uPVC window. Rainfall in the South East is lower than in much of the UK, but outside sealant still needs a dry, clean surface, so outdoor work is planned around the forecast.
In the older streets around Church of Saint Mary the Virgin, frames set in older brick or stone need a sealant that suits the wall as well as the frame.
Romney Street is about 4 miles north-east of Sevenoaks, in Kent. Whether you’re in the middle of Romney Street or further out, we cover sand mastic for every kind of property, from flats and houses to offices and hotels. Our Kent coverage runs to 922 places, and Romney Street is one of them. London is on our list too, around 18 miles away.
We work across the TN15 postcode area for sand mastic. If you need sand mastic at a property on Bower Lane and Romney Street or anywhere close by, we can help. We also cover the places around Romney Street: East Hill (1 mile north-east), Knatts Valley (1 mile east), Woodlands (1 mile south-east), Cotman's Ash (1 mile south-east) and Kemsing (2 miles south). We also work in nearby towns such as Maidstone (14 miles east), Dartford (8 miles north), Sevenoaks (4 miles south-west), Royal Tunbridge Wells (14 miles south), Gravesend (10 miles north-east) and Tonbridge (9 miles south).
Local landmarks in Romney Street
Typical jobs here are in homes near Kemsing Down and the streets around them. Romney Street’s nearest station is Shoreham (Kent) station, about 1.6 miles west of the centre. A little further out are Otford Heritage Centre (2.1 miles south-west) and Kemsing Castle Bank (1.7 miles south).
How it works
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 Romney Street, access is usually the main thing to plan. For outside work, also let us know about exposed walls and any outbuildings involved.
- Each surround is checked first.
- We rake out the old mastic and clean the joint.
- Large voids are packed out.
- We point the joint with sand mastic by hand.
- We finish the mastic to a tidy line.
Before we arrive
- Tell us if parking is tricky
- For business premises, tell us about site rules or sign-in
- Where the joints are inside, avoid wetting them before we arrive
Get a quote
For sand mastic in Romney Street, phone 0345 464 0079 or email us. A short description of the job and where it is helps us quote, and we will agree the price before any work begins.