Buckinghamshire · England
Glazing Silicone in Great Kingshill
Glazing silicone in Great Kingshill from a team with over 20 years’ experience. 180+ five-star Google reviews and a 4.9 rating.
- New silicone smeared over old sealant
- Cracked silicone between glass panels
- Black or yellowed silicone on glass joints
Honest limits
New sealant cannot fix everything, and we’d rather say so up front. Sealant will not put right:
- Failed flashing around a conservatory
- Frames that have decayed or split
- A sealed unit that has misted inside
Not sure which it is? You can ring 0345 464 0079 or email us and we will tell you honestly before booking.
What we seal
- Conservatory frames
- Glass-to-frame joints
- Rooflights
- Glass balustrade bases
- Glass-to-glass joints
- Shower screens
Glazing silicone for homes and businesses in Great Kingshill
Sealant on glazing does not last for ever. Sun, rain and movement wear it down and cracked joints let water in. Renewing it keeps glazing joints doing their job. Typical jobs include a quick top-up bead that didn’t last and water getting into a conservatory at the joints, on glass-to-frame joints, shower screens and conservatory frames.
Outdoor sealant needs dry, clean surfaces, so work on frames around Great Kingshill is planned for dry weather. Tell us about access to every side of the house, including upper-floor windows.
You get a 12-month guarantee, the same in Great Kingshill as everywhere else we work.
- Place
- Great Kingshill (HP15)
- Region
- Buckinghamshire
- Cover
- One year on every job
- Quotes
- A clear quote up front
- Phone
- 0345 464 0079
- Last updated
- 26 October 2026
What happens if it’s left?
Replacing a conservatory roof is major work. If the leak is a failed sealant joint renewing the joint is the simpler fix. If it’s the roof itself, we will tell you. Older cottages and farmhouses around Great Kingshill can have timber floors and frames, and water through a failed joint can rot timber if it’s left.
The cost depends on the size of the job, how hard the old material is to remove and how easy the joints are to reach. We give a clear quote before any work starts, so you know where you stand.
Why Great Kingshill customers choose us
- A sealant colour to suit the surroundings
- Full insurance on every job
- Anti-fungal sanitary silicone in wet areas
- Domestic, commercial and hotel work
Places near Great Kingshill
Also in Great Kingshill
DIY sealant or a professional job?
A DIY attempt does not rule out a professional job. We cut it out and start again, so just mention it when you contact us.
A careful DIYer can reseal a simple joint, such as a straightforward joint indoors. Where it goes wrong is sealing over the old bead, working on a wet joint or overloading the gap.
Great Kingshill questions
Do you cover smaller places like Great Kingshill?
Yes. Great Kingshill 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.
Do you work for landlords with property near Great Missenden station?
Yes, we work for landlords and letting agents. You can call 0345 464 0079 or drop us an email with the address and a few details, and we will give you a fixed price before we start.
How long will you be here?
Most jobs take a few hours, depending on how many joints need doing, including the preparation. We’ll confirm how long when we quote.
Do you replace glass?
No. We renew the sealant. A glazier replaces glass and units.
What guarantee do I get?
You get our 12-month guarantee on all our work.
Where is Mr Mastic based?
We work from Crawley. Our applicators cover Great Kingshill.
Are you fully insured?
Yes. We are fully insured, and we can confirm the details when we quote.
Do you offer different sealant colours?
Yes. Sealants come in white, clear, grey and other colours for many products, and we agree the colour with you before any work starts.
Frames and glazing around Great Kingshill
With historic houses such as Hughenden Manor (about 2.1 miles south-west) nearby, there’s older building stock in the area around Great Kingshill 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’s traditional sand mastic. The South East is one of the drier parts of the UK, yet outdoor joints still have to be sealed dry, so jobs are booked with the weather in mind.
Letting a property close to Great Missenden station? Then glazing joints are worth checking at the end of a tenancy, before a small leak grows. If you live in an older home near Church of the Good Shepherd, the joint between an old wall and a newer frame is usually the first place rain gets in.
Great Kingshill is about 3 miles north of High Wycombe, in Buckinghamshire. If you need glazing silicone in Great Kingshill, it’s easy to get a quote: please phone 0345 464 0079 or send us an email. We cover Buckinghamshire from our Crawley base, Great Kingshill included. Across Buckinghamshire, we cover 263 places, Great Kingshill among them. We also work in Reading, about 19 miles from Great Kingshill.
Work in HP15 works the same way as everywhere else we cover. If you need glazing silicone at a property on Stag Lane, Fairfields and Common Road or anywhere close by, our applicators can take on the job. We also cover Cryers Hill (1 mile south), Widmer End (1 mile south-east), Spurlands End (1 mile east), Hughenden Valley (1 mile south-west) and Stony Green (1 mile north-west). Larger places within reach include Aylesbury (11 miles north), High Wycombe (3 miles south), Chesham (6 miles north-east), Marlow (7 miles south), Amersham (5 miles east) and Beaconsfield (6 miles south-east).
Around Great Kingshill
In Great Kingshill, that means homes and buildings near Pipers Corner School, The Red Lion pub and Holmer Green Senior School and the streets around them. Great Kingshill’s nearest station is Great Missenden station, roughly 2.1 miles north-east of the centre. Nearby you’ll also find Eden (3.3 miles south) and Great Missenden (2.3 miles north-east). Green spaces nearby include Prestwood Local Nature Reserve.
For landlords and businesses
Letting agents often deal with us directly. Tell us the address, the job and how access works and we will quote.
For anyone letting property in or around Great Kingshill, several properties can go on one quote. Send us the addresses and the work at each.
How the visit works
There is not much for you to do on the day. Show us the job and we’ll take it from there. The job generally takes a few hours for most jobs from start to finish. Somewhere like Great Kingshill 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.
- We find where water is getting in and check whether it’s a sealant joint.
- Old silicone is cut away from the glass and frame without scratching either.
- Surfaces are cleaned with a solvent suited to glass and the frame.
- Glazing silicone suited to the joint is applied and tooled.
- We look over every joint and, where we can, test it with water.
Getting ready for the visit
- Mention if the joints have been sealed before
- Let us know about stairs, lifts or work at height
- Mention any sign-in or site rules at work premises
Get a quote
Need a quote? Please phone 0345 464 0079 or email us and tell us about the job. We’ll explain what we’d do and give you a clear price before we start.
Advice
What we’re called out for in Great Kingshill
New silicone over old silicone won’t bond. Many failed joints we see have been topped up rather than cut out leaving a path for water.
These are the problems we’re asked about most:
- Failed sealant around rooflight glass
- New silicone smeared over old sealant
- Shower screens leaking along the wall or tray
- Stained, discoloured glazing silicone
If you look after a building such as Great Kingshill Church of England Combined School, its window and door frames need their mastic kept sound, just like a home’s.
What your quote should include
- The length of the guarantee
- Whether they’re fully insured
- When the joint can take water or movement
- Which sealant they’ll use, and why
Looking after it afterwards
A little care helps the new joints last. Our advice:
- Keep conservatory gutters clear of leaves
- Act on drips or damp patches early
- Ventilate the conservatory to cut condensation
- Keep scrapers and blades away from the silicone
Keep conservatory gutters clear so water doesn’t back up against the seals. Overflowing gutters can cause leaks of their own.
Cracked glazing silicone means the joint has failed. Renewing it early keeps it simple compared with fixing water damage later.