Kent · England
Glazing Silicone in Cotman's Ash
Problem with your glazing joints in Cotman's Ash? We cut out the old, prepare the joints and apply the right sealant.
- Leaking glazing joints on a rooflight
- Silicone pulling away from the glass
- Leaks where conservatory glass meets the frame
The process
Most of a good job is in the preparation, and we don’t rush it. Joints are cleaned back and dried before anything new goes in. All told, the work takes a few hours for most jobs. Somewhere like Cotman's Ash needs a little journey planning: let us know about lanes, gates and parking. Everything for the job comes with us, so a second trip is avoided where possible.
- First we agree the joints to be done.
- Old sealant is removed from the glass and frame.
- The surfaces are cleaned with a suitable solvent.
- We apply and tool the new silicone.
- We inspect the work and test it where we can.
Preparing for the visit
- Tell us about access, such as stairs, a lift or high-level joints
- Tell us if parking is tricky
- Keep pets and children clear of the area while we work
Getting a quote
There’s no standard price list, because every job is different. Instead, we send you a clear quote for your job. To arrange one, ring 0345 464 0079 or send us an email.
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Glazing silicone for homes and businesses in Cotman's Ash
A frameless shower screen depends on its silicone. The joint down the wall and the one along the tray are common leak points, and we reseal both. We’re often asked to deal with glazing silicone that has cracked or come away and water escaping where a screen meets the wall, across conservatory frames, glass balustrade bases and shower screens.
Mastic can only go onto a dry, clean joint, so window work in Cotman's Ash is booked around the forecast. Let us know about access to all the frames, upstairs ones included.
You get a 12-month guarantee, the same in Cotman's Ash as everywhere else we work.
- Place
- Cotman's Ash (TN15)
- Region
- Kent
- Guarantee
- 12 months on all our work
- Quotes
- Quoted before any work starts
- Telephone
- 0345 464 0079
- Page updated
- 26 October 2026
Cotman's Ash homes and the weather
Historic houses like Lullingstone Castle (about 3.4 miles north-west) are a reminder that the area around Cotman's Ash has older buildings as well as new. In older buildings, older timber frames in brick or stone need a different approach from a modern uPVC window. London and the South East are among the drier parts of the UK, but outside sealant still needs a dry, clean surface, so outdoor work is planned around the forecast.
Letting a property close to Kemsing station? Then leaking glazing joints, shower screens or conservatory seals are worth sorting between tenancies. In the older streets around Church of Saint Mary the Virgin, the windows may be timber, sash or later replacements, and each needs the right sealant against the wall. Managing a site like Kemsing Primary School? Then larger buildings have plenty of frames, and the mastic around each one ages.
Cotman's Ash is about 3 miles north-east of Sevenoaks, in Kent. Cotman's Ash gets the same service as everywhere we cover: the old material taken out, joints prepared properly and a 12-month guarantee. 922 places in Kent are on our list, from the larger towns to small villages. For nearby work, see our London page (19 miles or so).
All of TN15 is covered for glazing silicone, from the main roads to the quietest streets. Close by, we work in Woodlands (1 mile north-east), Heaverham (1 mile south-east), Knatts Valley (1 mile north), Romney Street (1 mile north-west) and Kemsing (1 mile south-west). Further out, we also cover Maidstone (13 miles east), Dartford (9 miles north), Sevenoaks (3 miles south-west), Royal Tunbridge Wells (13 miles south), Gravesend (10 miles north-east) and Tonbridge (8 miles south).
Around Cotman's Ash
Typical jobs here are in homes near The Rising Sun pub and Kemsing Down and the streets around them. The closest station to Cotman's Ash is Kemsing station, about 1.4 miles south of the centre. A little further out are Kemsing Castle Bank (0.9 miles south-west) and Sevenoaks Hospital (2.8 miles south-west). Not far away are Dryhill Nature Reserve.
Cotman's Ash: your questions answered
Do you work for landlords with property near Kemsing station?
Yes, landlords and agents are among the people we work for, and several properties can go on one quote. You can phone 0345 464 0079 or send us an email with the details for a clear quote.
Do you cover smaller places like Cotman's Ash?
Yes. Cotman's Ash is within the area we cover, which takes in towns, villages and rural addresses. Our work covers London and the South East. Let us know about access, parking and anything unusual about getting there when you book.
Can you work on commercial sites?
Yes. Larger jobs can be planned room by room or area by area.
Will the old sealant be removed?
Yes, every time. New sealant will not bond properly to old, so the joint is cleaned back first.
Can you just put new silicone over the old?
New silicone will not bond to old silicone, so a top-up soon lets water through. The old bead always comes out first.
Where do you work from?
We are a Crawley-based firm. We work across South East England, London and Scotland.
Should I try DIY first?
You can, for simple jobs. The key is preparation: remove all the old material and work on a clean, dry joint. We can always put it right if it fails.
Do I need to be at home?
It depends on the job. For work indoors, someone needs to let us in, and for outside work we’ll agree access with you when we book.
Honest limits
It helps to know what we can’t do too:
- A sagging or failing conservatory roof
- Glass that needs replacing
- Misting between the panes of a double-glazed unit (a failed unit for a glazier)
Not sure which it is? You can ring 0345 464 0079 or drop us an email and we will tell you honestly before booking.
Joints and surfaces we work on
- Glass-to-frame joints
- Shower screens
- Glass-to-glass joints
- Conservatory frames
- Rooflights
- Glass balustrade bases
Leave it or put it right?
Replacing a conservatory roof is major work. Where the water is getting in through sealant, resealing is far simpler. If the roof is the problem, we’ll say so. Older cottages and farmhouses around Cotman's Ash can have timber floors and frames, where water from a failed joint can cause rot if it’s left.
The cost reflects the work involved, not guesswork. That’s why we ask a few questions first and agree the price before starting.
Why us?
- Fully insured
- White, clear, grey or another colour, product permitting
- Rated 4.9 stars on Google
- Over 20 years’ experience
Take a look at what affects the cost and customer reviews.
What affects the quote in Cotman's Ash
Your quote is based on your job. We look at:
- Any mould that needs treating
- The old material and how stubborn it is
- How many rooms, windows or areas are involved
- The number and length of the joints
No two jobs are quite the same, so each one gets its own quote. Size, access and the product the joint needs all play a part, and we’ll explain the quote if you ask.
Helping us quote
Before you ask for a quote, have a think about:
- Roughly how big the job is
- If it’s domestic, commercial or a hotel
- The problem you’ve noticed
- A few pictures by email, if you can
Want a quote for glazing silicone? Please ring 0345 464 0079 or send us an email with a few details. You’ll know what we plan to do, and what it will cost, before any work begins.
Places near Cotman's Ash
More services for Cotman's Ash
Different surfaces, different methods
Glass balustrade bases
We reseal the joint where the glass meets the base channel. We do not install or replace glass.
Glass-to-frame joints
Silicone at the glass edge seals it into the frame. When it splits, water can get into the frame.
Work for landlords, hotels and businesses
Hotels need rooms back in use, so we plan the work room by room around your bookings where we can. We have worked in hotels as well as homes and businesses.
A neglected joint can let water reach the structure, which is a bigger problem in a rented property. Resealing at the right time is simple maintenance that we can handle for you.
DIY versus a professional finish
Too much sealant is as bad as too little. A heavy bead looks messy and copes badly with movement, and getting the depth right matters as much as the look.
Some sealant jobs are within reach of a careful DIYer, such as a straightforward joint indoors. The common mistakes are sealing over old sealant, sealing a damp joint and using far too much.