Hertfordshire · England
Glazing & conservatory sealant in Digswell, Hertfordshire
Glazing silicone in Digswell from a team with over 20 years’ experience. 180+ five-star Google reviews and a 4.9 rating.
- Stained, discoloured glazing silicone
- Leaking glazing joints on a rooflight
- Glazing silicone that has cracked or come away
Frames and glazing around Digswell
Digswell is part of Welwyn Garden City, one of England’s garden cities. Older garden city homes may still have timber windows, while many have been replaced over the years. Either way, the joint between frame and wall needs a sound bead. Rainfall in the South East is lower than in much of the UK, but outside sealant still needs a dry, clean surface, so outdoor work is planned around the forecast.
For site and facilities teams at buildings such as Harwood Hill Junior Mixed Infant and Nursery School, its window and door frames need their mastic kept sound, just like a home’s. Homes close to Digswell Village Church include some older properties, and the windows may be timber, sash or later replacements, and each needs the right sealant against the wall.
Digswell is about 1 mile north of Welwyn Garden City, in Hertfordshire. Whether you’re in the middle of Digswell or further out, glazing silicone is available for homes and businesses alike, from flats and houses to offices and hotels. Our area takes in 381 places across Hertfordshire. We also work in London, about 23 miles from Digswell.
Work in AL8, AL7 and AL6 works the same way as everywhere else we cover. Glazing silicone is available to properties on Adele Avenue, Station Road and Hertford Road and the roads around them. We also cover the places around Digswell: Haldens (1 mile south-east), Harmer Green (1 mile north-east), Burnham Green (2 miles north-east), Oaklands (2 miles north) and Tewin (2 miles east). Further out, we also cover Watford (14 miles south-west), Hemel Hempstead (12 miles west), Stevenage (6 miles north), St Albans (7 miles south-west), Harpenden (6 miles west) and Hitchin (10 miles north).
Local landmarks in Digswell
Locally, jobs take us to homes and businesses close to Hedgehog pub, Monk's Walk School and Danesbury Park. Digswell has its own railway station: Welwyn North station. Other landmarks nearby include Howard Centre (1.3 miles south) and Datchworth Museum (2.6 miles north-east). Green spaces nearby include Tewin Orchard and Hopkyns Wood.
About our glazing silicone in Digswell
Glass, frames and walls all move at different rates, and the silicone between them takes the strain. Once it splits or comes away, water finds a way through. We replace it with a glazing silicone that suits the glass and frame. Typical jobs include leaks from the base of a shower screen and split or lifting silicone on glass, on shower screens, rooflights and glass balustrade bases.
Homes around Digswell range from older properties to newer houses, and their windows range just as widely. The right sealant depends on the frame and on what it sits in.
All our work is covered by a 12-month guarantee, wherever you are in Hertfordshire.
- Where
- Digswell (AL8, AL7, AL6)
- Wider area
- Hertfordshire
- Guarantee
- One year on every job
- Quotes
- Quoted before any work starts
- Telephone
- 0345 464 0079
- Last updated
- 26 October 2026

Landlords, agents and businesses in Digswell
We regularly work with letting and managing agents. Tell us the address, the job and how access works and we’ll give you a quote.
We work for landlords and agents as well as householders. Sealant work between tenants keeps a property looking cared for before the next move-in.
How it works
On the day, there’s very little for you to do. Show us the job and we’ll take it from there. The job generally takes anything from an hour or two to most of a day, depending on the size of the job. For a job in Digswell, we agree the time, the access and parking before the day. If the work is outside, the weather plays a part, as sealant needs a dry surface.
- We trace the leak and confirm it’s a sealant joint.
- We remove the old sealant carefully.
- The joint is cleaned and degreased.
- A neutral-cure glazing silicone is applied and tooled.
- We check the finished joints and test with water where it’s safe.
Getting ready for the visit
- Keep pets and children clear of the area while we work
- Clear the area around the work
- Mention any parking rules near the property
How to get a quote
For a quick quote, get us on the phone, or send an email if you’d rather. Describe what needs sealing and we will talk you through the work and give you a clear quote.
Related advice
What sealant work cannot fix
Sealant is not the answer to every problem, and we’ll tell you before work begins. Sealant will not put right:
- Glass that needs replacing
- A roof that has moved or dropped
- A frame that needs repairing or replacing
If you’re not sure, just ring 0345 464 0079 or email us and we will give you a straight answer before you book.
Where we work in Digswell
- Glass balustrade bases
- Rooflights
- Glass-to-glass joints
- Glass-to-frame joints
- Shower screens
- Conservatory frames
Nearby places to Digswell
Also in Digswell
When to call us in Digswell
Shower screen silicone gets wet every day. Mould grows into the bead and the joint starts to lift.
Any of these means the joints need attention:
- Water running down inside the glass
- A quick top-up bead that didn’t last
- Black or yellowed silicone on glass joints
- Water getting into a conservatory at the joints
Rented homes near Welwyn North station change hands often, and a shower screen or conservatory joint that leaks is easier to reseal while the property is empty.
Comparing quotes
- When the joint can take water or movement
- What happens if the job turns out different
- How long the guarantee is
- Who turns up on the day
Looking after it afterwards
Once the sealant has cured, a few habits help it last:
- Get a new leak looked at quickly
- Check the gutters above the glazing for debris
- Inspect the sealant on glazing annually
- Use gentle products around the joints
Check the joints once a year. Spotting a crack early means a simpler fix.
Damp patches, drips and condensation along a joint are worth checking. It may be sealant, or something else, and we’ll tell you which.
Why it’s worth doing now in Digswell
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. In an older home around Digswell, damp from a failed joint can get into timber and plaster, and that is a much bigger job than renewing the sealant.
The cost reflects the work involved, not guesswork. That’s why we ask about the job first and agree the price before starting.
Why book with us
- Domestic, commercial and hotel work
- Fully insured
- A choice of colours where the product allows
- Quality sealants from Arbo and Everbuild
Take a look at how sealant jobs are priced or customer reviews.
Can I do it myself?
Too much sealant is as bad as too little. A thick, smeared bead looks untidy and does not move well, and the joint depth matters as much as the finish.
The biggest DIY mistake is sealing over old sealant. Silicone doesn’t stick to old silicone, so it peels away and traps moisture behind it. Everything old must be removed first.
FAQs for Digswell
Do you work for landlords with property near Welwyn North station?
Yes, rental work is part of what we do. Just ring 0345 464 0079 or send us an email and tell us about the property, and we will give you a clear quote.
Do older homes in Digswell need their sealant replacing?
In most cases, yes, if it hasn’t been done for a while. Sealant doesn’t last for ever, and its life depends on use, cleaning and weather.
How long will you be here?
Typically it takes a few hours, depending on how many joints need doing. Bigger jobs take longer, and we’ll say how long yours will take.
Are you an approved applicator?
Yes. We hold ARBOMaster approved applicator status.
Do you remove the old sealant?
Yes, every time. New silicone does not stick to old silicone, so the joint is cleaned back first.
Can I choose the sealant colour?
We will suggest a colour to suit the surroundings, from white and clear to greys and other shades. The choice depends on the product the joint needs.
Is it possible to redo the silicone on a shower screen?
Yes. We remove the old sealant and reseal the wall and tray joints.
Is it enough to run a bead over the old sealant?
Topping up is a common cause of leaks. We remove the old silicone, clean the joint and reseal.
