Kent · England
Clapper Hill Window Mastic
Window mastic across Clapper Hill and nearby, with every bit of old sealant taken out first and a 12-month guarantee.
- Draughts coming in around windows and doors
- Untidy mastic left by window fitters
- Draughty joints inside around the window
How we quote for window mastic
You’ll get a clear quote before we start. It takes into account:
- How many rooms, windows or areas are involved
- When we can work, for business premises
- The amount of work
- Whether the work is at height
Instead of a standard rate, we price the job in front of us: the amount of work, the old material and the access. The price is agreed before we begin.
Asking for a quote
A few details help us give you an accurate quote. When you get in contact, it helps to mention:
- Where the job is, and your postcode
- What’s wrong with the joints now
- How many joints, rooms or windows are involved
- Photos by email, if that’s easy
We don’t publish a price list, because every job is different. Instead, your job gets its own clear quote. To arrange one, call 0345 464 0079 or drop us an email.
Window mastic in Clapper Hill
Colour matters on a frame. White, brown, anthracite grey, black and clear sealants are all available, so the line suits the frame instead of standing out. We work on timber windows & doors, uPVC windows and window sills, and the jobs we see most are mastic that has split away from the wall and damp patches on the reveal after heavy rain.
Homes in small places like Clapper Hill often stand in the open, with little to shelter their windows from wind and rain. That exposure dries out and cracks the mastic around frames and sills faster.
The work is covered for a year after we finish. If there’s a problem with it, please call 0345 464 0079 or email us.
- Location
- Clapper Hill (TN27)
- Wider area
- Kent
- Cover
- A year, on every job
- Price
- A clear price before any work starts
- Phone
- 0345 464 0079
- Page updated
- 26 October 2026
Landlord and commercial work in Clapper Hill
Mouldy or split sealant often shows up at the end of a tenancy. We can quote for more than one property at once.
If you manage several properties in or around Clapper Hill, several properties can be quoted together. Send us the addresses and the work at each.
What happens if it’s left?
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. In a small place like Clapper Hill, homes can be exposed to wind and rain, which finds any gap, and damp in older walls is slow to dry out.
What it costs depends on the amount of work, how much old material has to come out and how easy the joints are to reach. You will have a clear quote before any work starts.
Why choose Mr Mastic in Clapper Hill
- Homes, businesses and hotels
- Old sealant always removed completely
- Colour agreed with you before we start
- Fully insured
Take a look at how sealant jobs are priced or customer reviews.
Windows and doors in Clapper Hill
With historic houses such as Smallhythe Place (about 4.8 miles south-east) nearby, there’s older building stock in the area around Clapper Hill as well as newer homes. In older buildings, older frames set in brick or stone need a sealant that suits them, and sometimes that is traditional sand mastic. Rainfall in the South East is lower than in much 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 Headcorn station? Then sound mastic around windows and doors keeps out the draughts and damp that tenants notice first. Smallhythe Place, about 4.8 miles south-east, is one of the historic houses in the wider area around Clapper Hill.
Clapper Hill is about 10 miles west of Ashford, in Kent. Wherever you are in the TN27 postcode area, our applicators can take on window mastic. Clapper Hill is one of 922 towns and villages in Kent where we work. Crawley is on our list too, about 36 miles from Clapper Hill.
Here we cover the TN27 postcode area for window mastic. If you’re just outside Clapper Hill, we cover Fosten Green (1 mile west), East End (1 mile south-west), Parkgate (1 mile south-east), London Beach (2 miles east) and Strood (3 miles south). We also work in nearby towns such as Maidstone (13 miles north), Ashford (10 miles east), Foley Park (14 miles north), Paddock Wood (12 miles north-west), Tenterden (3 miles south-east) and Bearsted (12 miles north).
What’s near Clapper Hill
We work in homes and buildings around Wattle Wood, among other places. Clapper Hill’s nearest station is Headcorn station, roughly 4.8 miles north of the centre. A little further out are Mervyn Quinlan Museum (1.2 miles south-west) and Sissinghurst Castle (2.8 miles north-west).
How to look after the new joints
Looking after new joints is easy:
- Paint up to the joint, not over it
- Avoid harsh chemicals near the mastic
- Avoid blasting the frames with a pressure washer
- Use gentle cleaners on frames and sealant
On timber frames, keep the paintwork in good order, because bare, wet timber moves more and pulls at the joint. Keep paint off the silicone itself.
A failed joint lets water into the wall a little at a time. You might not see it until plaster blows or a damp patch appears inside. Early resealing stops it reaching that point.
Questions from Clapper Hill
Do you cover smaller places like Clapper Hill?
Yes, we do. We work across London and the South East, and smaller places are part of that. The journey is planned ahead, so it helps to know about access.
I let a flat near Headcorn station. Can you help?
Yes, landlords and agents are among the people we work for, and several properties can be quoted together. You can ring 0345 464 0079 or drop us an email with the details for a clear quote.
Does someone need to be in?
For indoor joints, yes, someone needs to let us in. Once we’ve agreed the job, you do not need to watch us work.
Is it OK to seal over old sealant?
No, it will not last. It can look neat for a few weeks, but the new bead soon lifts. The old sealant has to come out completely.
What do you need from me for a quote?
The location, the problem and the rough size of the job. If you can, email a few photos.
Can you do the inside joint as well?
Yes. Inside, the joint between frame and plaster is sealed neatly.
Which products do you use?
Each joint gets the product that suits it. Where it moves, gets wet or faces the weather makes a difference.
Is it worth trying 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.
When something else is needed
We’ll always be straight with you, so here’s what new sealant will not do:
- Faulty window hardware
- Soft or decayed wood in the frame
- Damp problems in the wall away from the window
If in doubt, phone 0345 464 0079 or send us an email and we’ll say what we think.
Where we work in Clapper Hill
- Patio & French doors
- Composite doors
- Aluminium frames
- Timber windows & doors
- uPVC windows
- Window sills
How the job changes by surface
uPVC windows
uPVC expands and contracts noticeably with temperature, so the joint needs a low-modulus sealant that stays flexible. We match white, brown, anthracite grey and black frames.
Aluminium frames
Large aluminium doors have long joints down each side and across the head, and the threshold joint takes a lot of water. Each is cleaned, backed where deep and resealed.
How it works
On the day, there’s very little for you to do. Show us the job and we’ll take it from there. The work itself takes most of a day for a typical house, less for a few frames. Somewhere like Clapper Hill needs a little journey planning: tell us about narrow lanes, gates, long drives and where we can park. We bring what the job needs, so it can be finished in one trip where possible.
- 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.
How to prepare
- Mention any tricky access
- Let us know about earlier repairs to the joints
- Where the joints are inside, avoid wetting them before we arrive
Get a quote
We quote each job on its own, so start by telling us what you need. Simply call 0345 464 0079 or drop us an email and describe the job and send photos if you have them.