West Sussex · England
Glazing & conservatory sealant in Furnace Green, West Sussex
Glazing silicone for conservatories, rooflights, glass panels and shower screens in Furnace Green, with a one-year guarantee on every job. Ask us for a quote.
- Water getting into a conservatory at the joints
- Sealant that was laid over old silicone and failed
- Shower screens leaking along the wall or tray
When to call us in Furnace Green
Silicone won’t bond to a dirty surface. Where the joint wasn’t cleaned and degreased the sealant may lift within a few years.
Any of these means the joints need attention:
- Drips on the inside of a conservatory window
- Leaks where conservatory glass meets the frame
- Failed joints on frameless glass
- Black or yellowed silicone on glass joints
Rented homes near Three Bridges station change hands often, and glazing joints are worth checking at the end of a tenancy, before a small leak grows.
Before booking anyone
- Is VAT in the price?
- Whether you can choose the colour
- How long the guarantee is
- What happens if the job turns out different
Glazing silicone in Furnace Green
Glazing silicone that has yellowed, blackened or come away spoils the look and lets water in. We remove it without scratching the glass or frame before the new bead goes in. If you have mouldy sealant around glass panels and glazing silicone that has cracked or come away, we can put it right, on rooflights, glass-to-frame joints and glass balustrade bases alike.
Houses in smaller places like Furnace Green can stand more in the open than those in a built-up town. The mastic around frames on those walls tends to age faster.
All our work is covered by our one-year guarantee, wherever you are in West Sussex.
- Location
- Furnace Green (RH10)
- Wider area
- West Sussex
- Cover
- A year, on every job
- Quote
- A clear price before any work starts
- Phone
- 0345 464 0079
- Updated
- 26 October 2026

Places near Furnace Green
What else we do in Furnace Green
How it works
The work is kept neat and contained to the area we are working on, so you can get on with your day. The job usually takes a few hours for most jobs, and we tell you how long to leave it before we go. Parking around Furnace Green is generally easier than in a town centre, but mention any lanes, gates or long drives. For outside work, side access and the height of the joints help us plan.
- We look at the glazing and agree which joints need resealing.
- We cut away the failed silicone.
- We clean and prepare the joint.
- New glazing silicone goes in and is finished neatly.
- The joints are checked before we leave.
Before we arrive
- Tell us about access, such as stairs, a lift or high-level joints
- Tell us about any water getting in
- Keep children and pets away from the work area
Ask for a quote
Asking for a quote is easy: tell us what needs doing and where and its rough size. Photos by email help us understand the job.
Related advice
Aftercare tips
Joint life depends on how it’s used and looked after. Here’s what we suggest:
- Stick to mild cleaners on glass
- Use gentle products around the joints
- Do not leave a drip for the next storm
- Wipe the screen down after showering
Check the joints once a year. Catching a split early keeps the repair small.
A leaking shower screen may not show at first. Water can soak into the floor or reach the room below before you spot it.
What the job involves on each surface
Rooflights
We reseal the glazing joints on rooflights. If the leak is from the roof around it, a roofer needs to look.
Glass-to-frame joints
Old sealant is removed carefully from the glass and reseal with glazing silicone.
Common questions in Furnace Green
Do older homes in Furnace Green need their sealant replacing?
If it hasn’t been replaced for some years, it’s generally worth it. Sealant doesn’t last for ever, and its life depends on use, cleaning and weather, and many homes in Furnace Green may already be on their second or third set.
Do you work for landlords with property near Three Bridges station?
Yes. We work for landlords and letting agents as well as homeowners, and several properties can go on one quote. You can call 0345 464 0079 or email us with the details for a clear quote.
When is the sealant fully cured?
Cure times vary by product. Before we leave, we’ll tell you the cure time.
Do you remove the old sealant?
Yes, every time. New silicone does not stick to old silicone, so any old material comes out before anything new goes in.
How do I get a quote for glazing silicone in Furnace Green?
It depends on the job, so we quote each one individually. For a quick quote, phone 0345 464 0079 or email us and tell us what needs doing and where.
Is it messy?
Not at all. The area is protected while we work and cleaned up afterwards.
Will resealing stop my conservatory leaking?
Often, if the leak is at a sealant joint. We find where the water gets in first, so you know what you are paying for.
Is there any odour?
Some sealants have a smell while they cure, which fades as it sets. Ventilation helps.
Landlord and commercial work in Furnace Green
We also work for businesses, from offices to washrooms and kitchens. For commercial premises, we can talk through working times when we quote.
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.
Leave it or put it right?
Resealing cannot fix a failed unit or a cracked panel. We say so plainly, so you can call the right trade. Around Furnace Green, water from a failed joint in an older home can soak into timber and plaster, and that’s a much bigger job than renewing the sealant.
There are no prices on our website, because the cost depends so much on the job itself. Call for a quick quote.
Why choose Mr Mastic in Furnace Green
- Rated 4.9 stars on Google
- Sealant colour chosen to suit
- White, clear, grey or coloured to suit, where the product allows
- An ARBOMaster approved applicator
Take a look at how sealant jobs are priced and customer reviews.
What sealant work cannot fix
It helps to know what we can’t do too:
- Leaks from the roof covering or flashing (a roofer’s job)
- Structural problems with a conservatory roof
- Glass that needs replacing
Not sure which it is? You can call 0345 464 0079 or drop us an email and we will tell you honestly before you book.
Joints and surfaces we work on
- Glass-to-frame joints
- Conservatory frames
- Glass-to-glass joints
- Shower screens
- Rooflights
- Glass balustrade bases
Frames and glazing around Furnace Green
Historic houses like Tyes Place (about 4.3 miles south) are a reminder that the area around Furnace Green has older buildings as well as new. Where a home is older, older frames set in brick or stone need a sealant that suits them, and sometimes that is traditional sand mastic. London and the South East are among the drier parts of the UK, though outdoor sealant still has to go onto a dry joint, so the forecast decides the day.
If you live in an older home near St Andrew's Church, frames set in older brick or stone need a sealant that suits the wall as well as the frame. Managing a site like Brook Infant School? Then its window and door frames need their mastic kept sound, just like a home’s.
Furnace Green is about 2 miles south-east of Crawley, in West Sussex. Furnace Green gets the same service as everywhere we cover: old sealant removed completely, careful preparation and a one-year guarantee. Furnace Green is one of 371 places in West Sussex we cover.
Our applicators cover all of the RH10 postcode area for glazing silicone. You’ll find streets such as Marion Road, Holder Road and Bolton Road, and we cover them all. Close by, we work in Pease Pottage (2 miles south-west), Worth Abbey (2 miles east), Balcombe Lane (2 miles south-east), Balcombe (3 miles south-east) and Staplefield (4 miles south). Further out, we also cover Horsham (7 miles west), Haywards Heath (7 miles south), Burgess Hill (10 miles south), East Grinstead (7 miles east), Billingshurst (14 miles south-west) and Bewbush (3 miles west).
Around Furnace Green
Locally, jobs take us to homes and businesses close to Oriel High School, The Charcoal Burner pub and Tilgate Park and the streets around them. For rail, the closest station is Three Bridges station, roughly 1.2 miles north of the centre. Nearby you will also find Crawley Museum (1.8 miles north-west) and Crawley Hospital (2 miles north-west). Open spaces near Furnace Green include Tilgate Lake.
