Brighton and Hove · England
Glazing & conservatory sealant in Prestonville, Brighton and Hove
Glazing silicone for conservatories, rooflights, glass panels and shower screens for homes and businesses in Prestonville and across Brighton and Hove. Fully insured, ARBOMaster approved and guaranteed for a year.
- Stained, discoloured glazing silicone
- Water running down inside the glass
- New silicone smeared over old sealant
Glazing silicone for homes and businesses in Prestonville
Cracked, stained or lifting silicone on glass looks poor and can leak. It comes off cleanly, without marking the glass and reseal the joint. We work on rooflights, glass-to-glass joints and conservatory frames, and common reasons people get in touch are conservatory leaks at frame and glazing joints and water running down inside the glass.
Around Prestonville, conservatories, garden rooms and patio doors are often part of the house. Their glazing joints and frame seals are as much a part of the job as the windows, and any older timber or sash windows need a sealant that suits them.
There’s a 12-month guarantee on every job, large or small.
- Where
- Prestonville (BN1, BN3, BN88)
- Region
- Brighton and Hove
- Guarantee
- One year on every job
- Quote
- A clear quote up front
- Telephone
- 0345 464 0079
- Last updated
- 26 October 2026
Landlord and commercial work in Prestonville
From a single let to a portfolio, the work is the same standard: the old material taken out, careful preparation and a 12-month guarantee.
Businesses can book us for washrooms, kitchens, offices and more. On commercial sites, working times can be discussed when we quote.
When something else is needed
A few problems are outside what sealant work can do:
- Misting between the panes of a double-glazed unit (a failed unit for a glazier)
- A broken pane or roof panel
- A sagging or failing conservatory roof
If you are not sure, just call 0345 464 0079 or email us and we’ll give you a straight answer.
Joints and surfaces we work on
- Conservatory frames
- Rooflights
- Glass-to-glass joints
- Shower screens
- Glass balustrade bases
- Glass-to-frame joints
Why deal with it now?
Fixing a leaking screen early protects what’s underneath. Water from a failed joint can soak into the floor before it shows. Homes in smaller places like Prestonville can face more weather, and failed outside joints let damp into walls. Inside, a split seal lets water into floors and panels just as it would anywhere.
What it costs 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 work begins, so you know where you stand.
Why us?
- Anti-fungal sanitary silicone in wet areas
- A choice of colours where the product allows
- Sealant colour chosen to suit
- 20+ years of sealant experience
See how sealant jobs are priced and our reviews.
What affects the quote in Prestonville
For a quick quote, just ask. The main things that affect it are:
- Whether there’s mould to deal with
- When we can work, for business premises
- Access and height
- The type of sealant required
Rather than a set price list, we price the job in front of us: the amount of work, the old material and the access. You will know the price before we begin.
Asking for a quote
When you call or email, it’s useful to know:
- How many joints, rooms or windows are involved
- If it’s domestic, commercial or a hotel
- A few photos by email, if you can
- The address or postcode of the job
Asking for a quote is easy: let us know the job and the location. A few photos by email make the job easier to understand, and we’ll come back to you with a quote.
Common questions in Prestonville
Will you come out to Prestonville?
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.
Is glazing silicone in a coastal place like Prestonville any different?
Coastal homes put outside sealant through more weather than inland ones, so the choice of sealant and the preparation matter even more. Walls facing the sea are generally the first to need attention.
Where is Mr Mastic based?
We’re a Crawley-based firm, with over 20 years’ experience. Our area covers South East England, London and Scotland.
How long will you be here?
A typical job takes anything from an hour or two to most of a day, depending on the size of the job, including the preparation. Your quote will say how long we expect yours to take.
How long before the joint can be used?
That depends on the sealant used, so please follow the time we give you when we finish.
What should I tell you?
The location, the problem and the rough size of the job. Photos by email help too.
Can you fix a leaking conservatory?
If the water is coming in through failed sealant joints, yes. If it’s a broken panel, failed unit or roof problem, we will tell you.
Will the old sealant be removed?
Yes, every time. New sealant will not bond properly to old, so any old material comes out before anything new goes in.
DIY versus a professional finish
Sealing over old silicone is the commonest DIY error. New silicone will not bond to old, so it lifts and traps water and mould underneath. Everything old must be removed first.
What a professional job adds is preparation and the right product. Joints are cleaned back to sound surfaces and dried, and the sealant is matched to the joint and its conditions.
What glazing silicone looks like in Prestonville
Prestonville is within about 1 mile of the coast, where wind-driven rain is a fact of life and, nearer the shore, so is salt air. That’s hard on glazing joints and frame seals, especially on the side facing the sea. With historic houses such as Preston Manor & Gardens (about 0.4 miles north) nearby, there’s older building stock in the area around Prestonville as well as newer homes. Where a home is older, older timber frames in brick or stone need a different approach from a modern uPVC window.
Rented homes near Preston Park station change hands often, and leaking glazing joints, shower screens or conservatory seals are worth sorting between tenancies. For site and facilities teams at buildings such as Stanford Infant School, larger buildings have plenty of frames, and the mastic around each one ages. Homes close to St Luke's Church Prestonville include some older properties, and the windows may be timber, sash or later replacements, and each needs the right sealant against the wall.
Prestonville is about 1 mile west of Brighton, in Brighton and Hove. From the centre of Prestonville to the outskirts, we cover glazing silicone for every kind of property, from flats and houses to offices and hotels. Prestonville is one of 30 towns and villages in Brighton and Hove where we work for glazing silicone.
Here we cover the BN1, BN3 and BN88 postcode area for glazing silicone. If you need glazing silicone at a property on Dyke Road, Home Road and Lloyd Road or anywhere close by, our applicators can take on the job. You’ll find Prestonville on the A23, so it’s easy for us to get to with everything needed for glazing silicone. We also cover the places around Prestonville: Seven Dials (1 mile south), Preston (1 mile north), West Hill (1 mile south-east), Brunswick (1 mile south) and Withdean (1 mile north). Larger places within reach include Saltdean (5 miles south-east), East Saltdean (6 miles south-east), Roedean (3 miles south-east), Rottingdean (4 miles east) and Ovingdean (4 miles south-east).
Local landmarks in Prestonville
Locally, jobs take us to homes and businesses close to Preston Park, The Drive Prep School and Milligan House. The nearest railway station is Preston Park station, roughly 0.6 miles north of the centre. Nearby you’ll also find Clayton Castle (5 miles north) and Churchill Square (1 mile south). Green spaces nearby include Whitehawk Hill and Newmarket Hill.
Looking after it afterwards
Aftercare is simple, and it makes a real difference:
- Check the silicone on glass every year or so
- Squeegee the shower screen after each use
- Do not leave a drip for the next storm
- Open vents or windows to let moisture out
Gentle products are best near the sealant. Harsh solvents may damage the bead.
Don’t leave lifting or mouldy silicone on glazing. Peeling silicone lets water in behind and the problem grows.
What we do, step by step
We bring everything the job needs with us. Once we have agreed what’s being done, we protect the area and start. Most jobs take anything from an hour or two to most of a day, depending on the size of the job. In a smaller place like Prestonville, parking is seldom the issue; lanes, gates and long drives are worth mentioning. For outside work, side access and the height of the joints help us plan.
- First, we trace the leak and check it’s coming through a sealant joint.
- The old sealant is removed from the glass and frame without scratching them.
- 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.
How to prepare
- Mention if the joints have been sealed before
- Mention any sign-in or site rules at work premises
- Mention any tricky access
How to get a quote
Call for a quick quote, or send an email if you’d rather. Describe what needs sealing and we’ll talk you through the work.