Kent · England
Window & door mastic in Basted, Kent
Window mastic in Basted from a team with over 20 years’ experience. 180+ five-star Google reviews and a 4.9 rating.
- Draughty joints inside around the window
- Damp patches on the reveal after heavy rain
- Gaps where the sill meets the wall
Window mastic in Basted
From a single sill to a whole house of windows, you’ll get a clear quote before we start. To get one, phone 0345 464 0079 or email us with the number of frames and any access details. Typical jobs include untidy mastic left by window fitters and mastic that’s falling out in pieces, across uPVC windows, timber windows & doors and window sills.
In a village or hamlet like Basted, older cottages and farmhouses often have timber windows set in stone or brick. Not every older frame suits a modern silicone bead, so the sealant has to be chosen to suit the building.
There’s a 12-month guarantee on every job, whatever its size.
- Where
- Basted (TN15)
- Region
- Kent
- Cover
- A year, on every job
- Quote
- Quoted before any work starts
- Phone
- 0345 464 0079
- Page updated
- 26 October 2026
What window mastic looks like in Basted
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. With historic houses such as Old Soar Manor (about 1.4 miles south-east) nearby, there’s older building stock in the area around Basted as well as newer homes. Where a home is older, older frames set in brick or stone need a sealant that suits them, and sometimes that is traditional sand mastic.
Schools such as Borough Green Primary School are buildings too, and the mastic around its windows and doors needs looking after like any other building’s. Homes close to The Church of the Good Shepherd include some older properties, and frames set in older brick or stone need a sealant that suits the wall as well as the frame.
Basted is about 5 miles east of Sevenoaks, in Kent. Jobs in Basted get the same care as everywhere else we work: the old material taken out, joints prepared properly and a 12-month guarantee. Basted is one of 922 places in Kent where we work. We also work in London, around 23 miles away.
Postcode districts we cover here for window mastic: TN15. That includes homes and businesses on Basted Mill and Plough Hill. Neighbouring places we cover for window mastic include Claygate Cross (1 mile south-east), Crouch (1 mile south-east), Borough Green (1 mile north), Platt (1 mile north-east) and Plaxtol (1 mile south). Larger places within reach include Maidstone (10 miles east), Dartford (12 miles north), Sevenoaks (5 miles west), Royal Tunbridge Wells (10 miles south), Gravesend (11 miles north) and Tonbridge (6 miles south).
What’s near Basted
We work in homes and buildings around The Plough Public House, Wrotham School and Ivy Hatch Nature Reserve and the streets around them. For rail, the closest station is Borough Green & Wrotham station, roughly 0.9 miles north. Nearby you’ll also find Ightham Court (1.3 miles north-west) and Sevenoaks Hospital (4.8 miles west).
Landlord and commercial work in Basted
Housing providers, facilities teams and property managers book us too. Several sites can be quoted together, and we are fully insured for the work.
Mouldy or split sealant often shows up at the end of a tenancy, and it’s easy to sort out between tenants. We can quote for more than one property at once.
Leave it or put it right?
A cracked joint around a frame lets rain into the wall. Over time that can mean damp patches, damaged plaster and rotting timber. Resealing now is a small job by comparison. Around Basted, older homes often have timber in their floors and frames, where water from a failed joint can cause rot if it’s left.
A failed joint rarely gets cheaper to fix by waiting, because water and mould keep working on it. If you are not sure whether it needs doing, ring 0345 464 0079 or email us and we will give you an honest view and a quote.
Why book with us
- We leave the area clean and tidy
- Sanitary silicone with an anti-fungal additive in wet areas
- A sealant colour to suit the surroundings
- Full insurance on every job
Read how sealant jobs are priced and our reviews.
Surface by surface
Composite doors
Draughts round the door leaf normally come from worn seals or adjustment, not the mastic. We seal the frame and let you know about anything else.
Timber windows & doors
Older timber windows in stone or brick can suit sand mastic rather than modern sealant. We will tell you which suits your home.
What sealant work cannot fix
A few problems are outside what sealant work can do:
- Rotten timber, which needs a joiner first
- Misting between the panes of a double-glazed unit (that needs a new unit)
- Faulty window hardware
If you’re not sure, just call 0345 464 0079 or send us an email and we will give you a straight answer.
Surfaces we seal
- Timber windows & doors
- Window sills
- Composite doors
- Patio & French doors
- Aluminium frames
- uPVC windows
Your questions about window mastic in Basted
I let a flat near Borough Green & Wrotham station. Can you help?
Yes. We work for letting agents and landlords as well as homeowners. Just call 0345 464 0079 or send us an email with the address and what needs doing, and we’ll give you a clear quote.
Is Basted within the area you cover?
Yes, smaller places are covered as well as towns. We work across London and the South East. Let us know about access, parking and anything unusual about getting there when you book.
How long should I leave it?
Cure times vary by product and the temperature. Before we leave, we will tell you the cure time.
Will it make a mess?
No. We protect the surfaces around the joints, and we clear up the old sealant and our materials before we leave.
Is the new sealant paintable?
That depends on the product. Some hybrid sealants can be painted; silicone cannot. Mention any painting plans before any work starts.
Does someone need to be in?
It depends on the job. For work indoors, someone needs to let us in, while outside work can sometimes be arranged differently.
Will there be a smell?
Some sealants have a smell while they cure, but it fades. Opening a window helps.
Are you fully insured?
Yes. We are fully insured, with over 20 years’ experience in sealant work.
Nearby places to Basted
What else we do in Basted
Keeping the joints in good condition
Once the sealant has cured, a few habits help it last:
- Do not aim a pressure washer at the joints
- Walk round the house once a year and look at the joints
- Clear any debris from frame drain holes
- Keep paint off silicone joints
Wipe the frames with soapy water when you clean the windows, and avoid solvent cleaners on the sealant.
A small gap around a frame only grows. As old mastic keeps shrinking, the gap widens, and a cold room gets colder. A new joint closes it up.
Common problems we fix in Basted
Some failures date back to when the windows were fitted. Mastic laid onto dusty, damp or crumbling surfaces didn’t grip properly, so it comes away long before its time.
The problems people usually mention when they call are:
- Draughty joints inside around the window
- Whistling draughts around closed windows
- Black, perished sealant on frames
- Water coming in at the bottom corners of a door
For landlords with property near Borough Green & Wrotham station, cracked frame mastic tends to show up as a draught or damp complaint, so it’s worth checking between lets.
What your quote should include
- Whether they’re fully insured
- How the joint is cleaned and prepared
- What product goes in the joint
- What guarantee comes with the work
How the visit works
The work is kept neat and contained to the area we are working on, so you can carry on as normal. Expect the work to take most of a day for a typical house, less for a few frames, and we explain the cure time before we leave. Somewhere as small as Basted, access is often the only tricky part. For outside work, also let us know about exposed walls and any outbuildings involved.
- First, we go round the frames with you and agree the list.
- The old mastic is cut out and scraped back to clean surfaces.
- Deep gaps get closed-cell backing rod to set the depth.
- A flexible exterior sealant is applied in a colour to suit the frame.
- Every joint is tooled smooth and checked before we leave.
Getting ready for the visit
- Let us know about earlier repairs to the joints
- Tell us if parking is tricky
- Move anything stored near the joints
Getting a quote
Asking for a quote is easy: let us know what needs doing and where and its rough size. Photos by email help us understand the job, and we’ll come back to you with a quote.