Hertfordshire · England
Hitchin Glazing Silicone
Glazing silicone across Hitchin and nearby, with every bit of old sealant taken out first and a 12-month guarantee.
- Stained, discoloured glazing silicone
- Water getting into a conservatory at the joints
- Sealant that was laid over old silicone and failed
About our glazing silicone in Hitchin
We work across Hitchin on glazing joints for homes and businesses. From conservatories to shower screens, it’s the same careful method. If you have failed sealant around rooflight glass and leaks where conservatory glass meets the frame, we can put it right, whatever the surface.
Plenty of homes in a town like Hitchin have had conservatories, patio doors or new windows added over the years. Every addition brings more joints, each wearing at its own pace. Sills, frame heads and glazing joints are where leaks normally start.
You are covered for a year from the day we finish. If there’s a problem with it, please ring 0345 464 0079 or drop us an email.
- Location
- Hitchin (SG4, SG5)
- Region
- Hertfordshire
- Cover
- One year on every job
- Price
- A clear quote up front
- Telephone
- 0345 464 0079
- Updated
- 26 October 2026
Can I do it myself?
What a professional job adds is preparation and the right product. We take joints back to clean, dry surfaces, and the sealant is chosen for how the joint moves and where it is, and the work is guaranteed for a year.
A DIY attempt doesn’t rule out a professional job. We remove it and do the joint properly, so just mention it when you contact us.
Why it’s worth doing now in Hitchin
Replacing windows or a shower screen isn’t needed for a failed joint. If the glass and frame are sound, new silicone is often all it takes, and we’ll tell you if that’s not the case. In Hitchin, as anywhere, most leaks start as a small gap in a joint, and they’re far easier to fix early.
Some things make a job bigger or smaller: the old material and how easily it comes out, whether mould needs treating, and whether the work is at height. Your quote takes all of that into account.
Why choose Mr Mastic in Hitchin
- A sealant colour to suit the surroundings
- Approved under the ARBOMaster scheme
- We are fully insured
- We leave the area clean and tidy
Read how sealant jobs are priced and our reviews.
FAQs for Hitchin
Is Hitchin in your area for glazing silicone?
Yes. Our work covers London and the South East, and Hitchin is part of that. You can call 0345 464 0079 or drop us an email and let us know what needs doing.
Is glazing silicone in Hitchin guaranteed?
All our work, in Hitchin and everywhere else, comes with a 12-month guarantee. We’re fully insured, and an ARBOMaster approved applicator.
I rent my home. Can I book you?
We can work for tenants, landlords or agents. Get your landlord’s agreement first.
How long should I leave it?
It depends on the product. We tell you how long to leave it before we go.
Is there any odour?
It depends on the product. Some products have a noticeable smell, others very little, and any smell fades as they cure.
Do you offer different sealant colours?
Generally, yes. Sealants come in white, clear, grey and other colours, and we agree the colour with you before work begins.
Can a conservatory leak be sealed?
It depends on the cause. Failed glazing and frame joints can be resealed, but roof panels and structural problems need a conservatory specialist or roofer.
Where are you based?
We work from Crawley. Our applicators cover Hitchin.
Landlord and commercial work in Hitchin
We regularly work with letting and managing agents. Send the address, what’s needed and the access arrangements.
Hotels need rooms back in use, so we plan the work room by room. We have worked in hotels as well as homes and businesses.
Also in Hitchin
Glazing silicone in Hitchin: local notes
Compared with the north and west, the South East gets less rain, but outside sealant still needs a dry, clean surface, so outdoor work is planned around the forecast.
Schools such as Hitchin Girls' School are buildings too, and its window and door frames need their mastic kept sound, just like a home’s. If you let a flat or house near Hitchin station, glazing joints are worth checking at the end of a tenancy, before a small leak grows. Homes close to Church of the Holy Saviour include some older properties, and the windows may be timber, sash or later replacements, and each needs the right sealant against the wall.
Hitchin is about 5 miles north-west of Stevenage, in Hertfordshire. Jobs in Hitchin get the same care as everywhere else we work: old sealant removed completely, careful preparation and a 12-month guarantee. We cover 381 towns and villages across Hertfordshire, large and small. You can also see our page for London, about 32 miles away.
All of SG4 and SG5 is within our area for glazing silicone, from the main roads to the quietest streets. If you need glazing silicone at a property on Market Place, London Road and Harrison Close or anywhere close by, our applicators can take on the job. With the A505 and A600 close by, Hitchin is simple for us to get to for glazing silicone. Neighbouring places we cover for glazing silicone include Benslow (1 mile east), Poets Estate (1 mile east), Bearton (1 mile north-west), Walsworth (1 mile north-east) and Westmill (1 mile north-west). Further out, we also cover Stevenage (5 miles south-east), St Albans (14 miles south), Welwyn Garden City (11 miles south), Harpenden (10 miles south), Hatfield (13 miles south) and Hertford (13 miles south-east). Hitchin is among the bigger towns we cover in Hertfordshire.
Around Hitchin
Typical jobs here are in homes near Highbury Infant School and Nursery, Butts Close and Kingshott School. Other local landmarks include Radcliffe Arms (within half a mile north-east) and St Mary's Church (less than half a mile south-west). There’s a railway station in Hitchin itself: Hitchin station. A little further out are Wymondley Castle (1.7 miles east) and Lister Hospital (3.1 miles south-east). Open spaces near Hitchin include Purwell Ninesprings and Markham's Hill.
Aftercare tips
So the new joints stay in good condition:
- Open vents or windows to let moisture out
- Run a squeegee over the glass when you are done
- Clean glass with a mild cleaner and a soft cloth
- Keep harsh solvents off the silicone
Clear the conservatory gutters regularly so water doesn’t back up against the seals. Overflowing gutters can cause leaks of their own.
A small conservatory leak soon spreads. Water travels along the frame and into the wall, so get it looked at when you first see it.
How the job changes by surface
Shower screens
Most shower screen leaks come from the wall or tray joint. Both are resealed with anti-fungal silicone.
Glass-to-glass joints
These joints are on show, so a straight, even finish matters.
What we do, step by step
We work through the job in order: protect, prepare, seal, tidy. For most jobs that takes a few hours, depending on how many joints need doing, and the area is left clean. A visit in Hitchin needs access to the work and a place to park close by. For outside work, let us know about side access, gates and any upper-floor joints.
- First we agree the joints to be done.
- We cut away the failed silicone.
- 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.
Getting ready for the visit
- Where the joints are inside, avoid wetting them before we arrive
- Keep children and pets away from the work area
- Let us know about earlier repairs to the joints
Ask for a quote
To get a quote, phone 0345 464 0079 or drop us an email and tell us where the job is and what the problem looks like. We’ll send you a clear quote before any work starts.
Advice
Quotes for glazing silicone in Hitchin
For a quick quote, just ask. The main things that affect it are:
- When we can work, for business premises
- How much old sealant there is and how hard it is to remove
- How much there is to do
- Mould in or behind the old joints
The cost depends on how much there is to do, how hard the old material is to remove and access to the work. You will have a clear quote before any work starts, so you know where you stand.
What we need to know
You don’t need to know the technical terms. Just tell us:
- The problem you’ve noticed
- If someone has resealed it before
- How we’d reach the joints
- Photos by email, if that is easy
A good description makes for an accurate quote. Tell us where the job is, what’s wrong and how much there is, and email photos if that’s easy.