Buckinghamshire · England
Long Crendon Glazing Silicone
Our applicators work in Long Crendon on glazing silicone for conservatories, rooflights, glass panels and shower screens. Old sealant removed completely, joints prepared properly.
- Sealant that was laid over old silicone and failed
- Water tracking down the inner face of the glass
- Leaks from the base of a shower screen
Glazing silicone for homes and businesses in Long Crendon
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. If you have drips on the inside of a conservatory window and stained, discoloured glazing silicone, we can help, whatever the surface.
In a smaller place like Long Crendon, some walls face open ground and catch the full force of the weather, so exposed windows and doors face the weather head on. That’s hard on the mastic around frames and sills.
Each job carries a 12-month guarantee, large or small.
- Place
- Long Crendon (HP18)
- Region
- Buckinghamshire
- Guarantee
- A year, on every job
- Quote
- Quoted before any work starts
- Telephone
- 0345 464 0079
- Page updated
- 26 October 2026
Glazing silicone in Long Crendon: local notes
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.
For an older house near a landmark such as Church of St Mary, the windows may be timber, sash or later replacements, and each needs the right sealant against the wall. Rented homes near Haddenham & Thame Parkway station change hands often, and glazing joints are worth checking at the end of a tenancy, before a small leak grows.
Long Crendon is about 2 miles north-west of Thame, in Buckinghamshire. Every kind of property in Long Crendon is covered for glazing silicone, old or new, large or small. The work is guaranteed for a year. Long Crendon is one of 263 places in Buckinghamshire we cover. You can also see our page for Oxford, about 10 miles away.
Work in HP18 works the same way as everywhere else we cover. Streets in the area include High Street, The Square and Giffard Way, all of which we cover. We also cover the places around Long Crendon: Chearsley (2 miles north-east), Thame (2 miles south-east), Moreton (3 miles south), Haddenham (3 miles east) and Cuddington (3 miles north-east). Within a short drive, we also cover Aylesbury (8 miles east), High Wycombe (15 miles south-east), Buckingham (15 miles north), Elmhurst (9 miles north-east), Southcourt (8 miles east) and Princes Risborough (8 miles south-east).
Around Long Crendon
We work in homes and buildings around Lord Williams's School and The Eight Bells Public House and the streets around them. Long Crendon’s nearest station is Haddenham & Thame Parkway station, roughly 2.3 miles east of the centre. Other landmarks nearby include Dinton Castle (4.7 miles east) and Thame Community Hospital (2.4 miles south-east). Open spaces near Long Crendon include Snakemoor.
Quotes for glazing silicone in Long Crendon
Some jobs are bigger than they look, and some smaller. The main factors:
- Whether old sealant or filler has to be cut out
- Whether there’s mould to deal with
- Whether the work is at height
- The number and length of the joints
Some things make a job bigger or smaller: how much old sealant there is and how stubborn it is, whether mould needs treating, and whether the work is at height. Your quote takes all of that into account.
Asking for a quote
There’s no need for technical detail. Just tell us:
- If someone has resealed it before
- Whether it’s a home or a business
- Any access issues, like height or stairs
- A few photos by email, if you can
Need a quote? Please call 0345 464 0079 or drop us an email with a few details. We will explain what we’d do and send you a clear quote before any work starts.
What happens on the day
Every visit runs the same way: we look at the joints together, protect the area around them, do the work and tidy away. It normally takes a few hours, depending on how many joints need doing. Parking around Long Crendon is generally easier than in a town centre, but mention any lanes, gates or long drives. If the job is outside, tell us about side access and how high the joints are.
- First, we trace the leak and check it’s coming through a sealant joint.
- We cut out the failed silicone, taking care of the glass and frame.
- We clean the joint with a solvent that suits the glass and frame.
- We apply a neutral-cure glazing silicone and tool it smooth.
- The finished joints are checked and, where it’s safe, tested with water.
Before we arrive
- Mention any parking rules near the property
- Tell us about any previous sealing or DIY attempts
- Tell us about access, such as stairs, a lift or high-level joints
Get a quote
We don’t publish a price list. Instead, your job gets its own clear quote. To get started, call 0345 464 0079 or email us.
Related advice
When it is not the sealant
A few problems are outside what sealant work can do:
- A broken pane or roof panel
- A frame that needs repairing or replacing
- Structural problems with a conservatory roof
Not sure which it is? You can call 0345 464 0079 or drop us an email and we will tell you honestly.
Joints and surfaces we work on
- Glass balustrade bases
- Glass-to-frame joints
- Rooflights
- Glass-to-glass joints
- Conservatory frames
- Shower screens
Common questions in Long Crendon
I let a flat near Haddenham & Thame Parkway station. Can you help?
Yes, we work for letting agents and landlords. Just ring 0345 464 0079 or email us and tell us about the property, and we’ll send you a clear quote.
Do you cover smaller places like Long Crendon?
Yes, smaller places are covered as well as towns. Our work covers London and the South East. Just mention lanes, gates or anything else about the route when you book.
Do you seal glass balustrade bases?
We can, if the base joint is sealed. Photos help us see what’s there when you ring 0345 464 0079 or email us.
Does someone need to be in?
We need access to the joints, so we’ll agree that with you when we book. For inside work, that normally means someone being in.
Do you take out the old sealant first?
Yes. All of the old material is cut out and the joint cleaned before resealing.
Are you an approved applicator?
Yes. We’re ARBOMaster approved, the scheme for applicators of Arbo sealants.
Will resealing stop my conservatory leaking?
Yes, when the leak is a failed sealant joint. If it’s a broken panel, failed unit or roof problem, we’ll tell you.
Can you quote for more than one area?
Yes. Just list everything you need and we’ll quote it together.
Should I try it myself first?
Sealing over old silicone is the commonest DIY error. Silicone does not stick to old silicone, so it peels away and traps moisture behind it. Everything old must be removed first.
Overfilling a joint is a classic DIY mistake. A thick, smeared bead looks untidy and doesn’t move well, and getting the depth right matters as much as the look.
Aftercare tips
So the new joints stay in good condition:
- Keep scrapers and blades away from the silicone
- Check the gutters above the glazing for debris
- Ventilate the conservatory to cut condensation
- Clean glass with a mild cleaner and a soft cloth
Do not use blades or scrapers near the bead when you clean. Stick to a soft cloth.
Drips or damp near a glazing joint shouldn’t be ignored. The cause may be sealant or another part, and we’ll tell you which.
Signs you need glazing silicone in Long Crendon
Shower screen silicone gets wet every day. Mould gets into it and the edges begin to peel.
It’s worth asking for a quote if you see:
- Water escaping where a screen meets the wall
- Leaking glazing joints on a rooflight
- Leaks where conservatory glass meets the frame
- Silicone pulling away from the glass
If you look after a building such as Long Crendon School, the mastic around its windows and doors needs looking after like any other building’s.
Questions to ask before booking
- What happens if the job turns out different
- How the surfaces are prepared before sealing
- Whether the sealant suits the joint
- Whether VAT is included
Also in Long Crendon
How the job changes by surface
Glass-to-frame joints
Glass-to-frame joints need a sealant that bonds to both. We use a glazing silicone suited to each.
Glass balustrade bases
Balustrade bases are exposed outdoors. A sound sealant joint keeps them tidy and dry.