Hertfordshire · England
Glazing & conservatory sealant in Hook's Cross, Hertfordshire
Professional glazing silicone in and around Hook's Cross, with every bit of old sealant taken out first.
- A quick top-up bead that didn’t last
- Split or lifting silicone on glass
- Water escaping where a screen meets the wall
Glazing silicone in Hook's Cross, done properly
Glass and frames expand and contract differently, and the silicone between them takes the strain. When it cracks or lets go, water gets in. We replace it with a glazing silicone that suits the glass and frame. We work on glass-to-glass joints, conservatory frames and shower screens, and people most often call us about silicone pulling away from the glass and glass-to-glass joints that have split.
Around Hook's Cross, many homes face open ground, so their windows and doors take the full weather. Exposed frames and sills lose their mastic sooner than sheltered ones.
Whatever the size of the job, you get the same 12-month guarantee in Hook's Cross and across Hertfordshire.
- Location
- Hook's Cross (SG14)
- Wider area
- Hertfordshire
- Cover
- 12 months on all our work
- Price
- A clear quote up front
- Telephone
- 0345 464 0079
- Page updated
- 26 October 2026

DIY sealant or a professional job?
A DIY attempt does not rule out a professional job. We cut it out and start again.
If you’re set on DIY, put the effort into preparation: remove every trace of old sealant, clean and dry the joint, and follow the product’s cure time. If it fails, we can still redo it.
How the visit works
On the day, there’s very little for you to do. Point us to the joints and we will get on with it. The work itself takes anything from an hour or two to most of a day, depending on the size of the job from start to finish. For a village or hamlet like Hook's Cross, the journey is planned in advance: tell us about narrow lanes, gates, long drives and where we can park. Everything for the job comes with us, so a second trip is avoided where possible.
- First we agree the joints to be done.
- Old sealant is removed from the glass and frame.
- We clean and prepare the joint.
- New glazing silicone goes in and is finished neatly.
- We inspect the work and test it where we can.
Before we arrive
- Let us know about earlier repairs to the joints
- Where the joints are inside, avoid wetting them before we arrive
- Tell us if parking is tricky
How to get a quote
For a quick quote, get us on the phone, or email us if that is easier. Describe what needs sealing and we’ll talk you through the work.
Read more
Windows and doors in Hook's Cross
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. Historic houses like Aston Bury (about 0.7 miles north) are a reminder that the area around Hook's Cross has older buildings as well as new. Where a home is older, older timber frames in brick or stone need a different approach from a modern uPVC window.
In the older streets around Church of All Saints, frames set in older brick or stone need a sealant that suits the wall as well as the frame. Schools such as Barnwell School are buildings too, and the mastic around its windows and doors needs looking after like any other building’s.
Hook's Cross is about 3 miles south-east of Stevenage, in Hertfordshire. Across the SG14 area, our applicators can take on glazing silicone. Hook's Cross is one of 381 towns and villages in Hertfordshire where we work. We also work in London, around 26 miles away.
Here we cover the SG14 postcode area for glazing silicone. Other places close to Hook's Cross include Bragbury End (1 mile north-west), Aston (1 mile north), Datchworth (1 mile south-west), Watton at Stone (1 mile south-east) and Knebworth (2 miles west). Larger places within reach include Stevenage (3 miles north-west), St Albans (11 miles south-west), Bishop's Stortford (13 miles east), Welwyn Garden City (5 miles south-west), Harpenden (10 miles west) and Hitchin (8 miles north-west).
Around Hook's Cross
Locally, jobs take us to homes and businesses close to Chequers Inn and the streets around them. The closest station to Hook's Cross is Watton-At-Stone station, roughly 1.3 miles south-east. Other landmarks nearby include Lister Hospital (4.8 miles north-west) and Benington Castle (2.1 miles north-east). Open spaces near Hook's Cross include Astonbury Wood.
Nearby places to Hook's Cross
Other services in Hook's Cross
FAQs for Hook's Cross
Is Hook's Cross within the area you cover?
Yes, we do. We work across London and the South East, from towns to the smallest places. Longer journeys are simply planned in advance.
Is Hook's Cross in your area for glazing silicone?
Yes. Our work covers London and the South East, and Hook's Cross is part of that. You can phone 0345 464 0079 or drop us an email and let us know what needs doing, and we will give you a clear quote.
Are you an approved applicator?
Yes. We’re an ARBOMaster approved applicator.
Do you guarantee glazing sealant work?
Our 12-month guarantee applies to every job we do.
Which silicone is used for glass joints?
A neutral-cure glazing silicone suited to glass and the frame. Shower screens get anti-fungal silicone.
What sealant do you use?
Each joint gets the product that suits it. Movement, water and weather all affect the choice.
Do you remove the old sealant?
Yes, every time. New sealant will not bond properly to old, so the joint is cleaned back first.
Can you match the sealant colour?
We will suggest a colour to suit the surroundings. The product needed can limit the range.
Aftercare tips
Good habits help new joints last longer. A few tips:
- Check the gutters above the glazing for debris
- Use gentle products around the joints
- Run a squeegee over the glass when you’re done
- Look over the glazing joints once a year
Clear the conservatory gutters regularly so water does not back up against the seals. Overflowing gutters can cause leaks of their own.
A leaking shower screen may not show at first. It can damage the floor or the ceiling below long before you see it.
Surface by surface
Shower screens
Silicone holds the water in on frameless screens. We renew it without marking the glass.
Glass-to-glass joints
These joints are on show, so a straight, even finish matters.
When to call us in Hook's Cross
Shower screen silicone gets wet every day. Mould gets into it and the edges begin to peel.
These are the problems we are asked about most:
- Stained, discoloured glazing silicone
- Rooflight joints letting water in
- Water getting into a conservatory at the joints
- Water escaping where a screen meets the wall
Letting a property close to Watton-At-Stone station? Then leaking glazing joints, shower screens or conservatory seals are worth sorting between tenancies.
Before you book anyone
- How much experience the applicator has
- How hidden problems are handled
- Whether they seal over old material or remove it
- Is VAT in the price?
When it isn’t the sealant
We’d rather tell you now than do work that will not last, so here’s what sealant can’t put right:
- Glass that needs replacing
- A frame that needs repairing or replacing
- A roof that has moved or dropped
If in doubt, phone 0345 464 0079 or email us and we will say what we think.
Joints and surfaces we work on
- Shower screens
- Rooflights
- Glass-to-glass joints
- Glass-to-frame joints
- Glass balustrade bases
- Conservatory frames
Leave it or put it right?
Dealing with a leaking shower screen early protects the floor and ceiling. Water from a failed joint can soak into the floor before you notice. Older cottages and farmhouses around Hook's Cross can have timber floors and frames, and water through a failed joint can rot timber if it’s left.
Instead of a standard rate, we look at what your job involves: the amount of work, the old material and the access. You will know the price before we begin.
Why book with us
- A 12-month guarantee on all work
- We leave the area clean and tidy
- 180+ five-star Google reviews
- Homes, businesses and hotels
See what affects the cost and what customers say.
