Greater London · England

Glazing Silicone in Edgware

Our applicators work in Edgware on glazing silicone for conservatories, rooflights, glass panels and shower screens. Old sealant removed completely, joints prepared properly and a 12-month guarantee.

  • Conservatory leaks at frame and glazing joints
  • Mouldy sealant around glass panels
  • Water running down inside the glass

Glazing silicone for Edgware homes and businesses

Glazing silicone for homes and businesses in Edgware

Glazing silicone that has yellowed, blackened or come away looks poor and can leak. It comes off cleanly, without marking the glass before the new bead goes in. We work on glass-to-frame joints, rooflights and glass-to-glass joints, and common reasons people get in touch are failed joints on frameless glass and rooflight joints letting water in.

London homes have every kind of window, from timber sashes in period terraces to aluminium and uPVC in newer blocks. The mastic around them dries out and cracks with age, which is when draughts and damp patches appear in homes in Edgware.

We stand behind the work with a one-year guarantee.

Location
Edgware (HA8, NW7, HA7)
Wider area
Greater London
Cover
A year, on every job
Quotes
A clear quote up front
Call
0345 464 0079
Updated
26 October 2026
Close-up of hands using a sealant gun on the joint between a glass shower screen and tiles

How the job changes by surface

Glass-to-frame joints

Where glass sits in a frame, silicone keeps water out. When it splits, water can get into the frame.

Glass-to-glass joints

Frameless glass corners and panels are joined with silicone. We renew it with a clear or matching glazing silicone.

Landlord and commercial work in Edgware

A neglected joint can let water reach the structure, which matters even more when someone else lives there. Keeping joints in good order is simple maintenance that we can handle for you.

For anyone letting property in or around Edgware, several properties can go on one quote. Just tell us the addresses and what each one needs.

How it works

We keep the work tidy and contained to the joints we are treating, so you can get on with your day. Expect the work to take a few hours, depending on how many joints need doing, and we explain the cure time before we leave. In a London area like Edgware, the main things to plan are parking and access: tell us about permits, visitor bays or off-street space, which floor we’re working on and whether there’s a lift.

  1. We find where water is getting in and check whether it’s a sealant joint.
  2. The old sealant is removed from the glass and frame without scratching them.
  3. The glass and frame are cleaned and degreased.
  4. We apply a neutral-cure glazing silicone and tool it smooth.
  5. We check the joints and, where safe, run water over them.

Before we arrive

  • Tell us about access, such as stairs, a lift or high-level joints
  • Tell us about any previous sealing or DIY attempts
  • Clear the area around the work

Ask for a quote

We do not publish a price list. Instead, your job gets its own clear quote. To get started, phone 0345 464 0079 or send us an email.

Get a quick quote

Read more

Edgware questions

Do you cover Edgware for glazing silicone?

Yes. Our work covers London and the South East, and Edgware is part of that. You can phone 0345 464 0079 or email us and tell us what needs doing, and we’ll give you a clear quote.

Can you help a landlord with a rental near Mill Hill Broadway station?

Yes, we work for landlords and agents. You can call 0345 464 0079 or drop us an email with the address and a few details, and we will give you a fixed price before any work starts.

Does someone need to be in?

It depends on the job. Inside work needs someone to give us access, while outside work can sometimes be arranged differently.

What do you put in the joint?

It depends on the joint: sanitary silicone where it gets wet, and sealants suited to movement or weather elsewhere. We use products from Arbo and Everbuild.

Can you quote for more than one area?

Yes, we can. More than one area can be quoted together.

Are you an approved applicator?

Yes. We hold ARBOMaster approved applicator status, and we’re fully insured.

Do you guarantee glazing sealant work?

Every job comes with our 12-month guarantee.

Can you fix a leaking conservatory?

It depends on the cause. Sealant joints we can renew but roof and panel problems need another trade.

How we quote for glazing silicone

Call for a quick quote. The main things that affect it are:

  • Whether the work is at height
  • Mould in or behind the old joints
  • Which sealant suits the joint
  • Working hours on commercial sites

Some things make a job bigger or smaller: the old material and how easily it comes out, any mould to treat, and whether the work is at height. We take all of that into account in your quote.

What we need to know

When you contact us, it’s useful to know:

  • What’s wrong with the joints now
  • If someone has resealed it before
  • Any access issues, like height or stairs
  • Roughly how big the job is

It all starts with a short chat. Tell us what’s wrong, where it is and how much there is. Whenever you are ready, phone 0345 464 0079 or email us.

What sealant work can’t fix

It helps to know what we cannot do too:

  • A roof that has moved or dropped
  • A sealed unit that has misted inside
  • Frames that have decayed or split

If you’re not sure, just phone 0345 464 0079 or drop us an email and we will give you a straight answer before booking.

What we seal

  • Glass-to-glass joints
  • Glass balustrade bases
  • Glass-to-frame joints
  • Rooflights
  • Shower screens
  • Conservatory frames

What we’re called out for in Edgware

Shower screen silicone gets wet every day. Mould grows into the bead and the joint starts to lift.

The most common problems we see are:

  • A quick top-up bead that didn’t last
  • Failed joints on frameless glass
  • Shower screens leaking along the wall or tray
  • Mouldy sealant around glass panels

Edgware is in London, so parking needs planning: let us know about parking bays, permits or a driveway.

What to look for in a quote

  • Are they insured?
  • The length of the guarantee
  • Which colour the sealant will be
  • What preparation is included

How to choose a mastic man

Glazing silicone in Edgware: local notes

In London conversions and blocks, the lease decides who is responsible for the frames, so check that before booking. London and the South East are among the drier parts of the UK, yet outdoor joints still have to be sealed dry, so jobs are booked with the weather in mind.

Managing a site like Beit Shvidler Primary School? Then its window and door frames need their mastic kept sound, just like a home’s. In the older streets around St Andrew, the joint between an old wall and a newer frame is generally the first place rain gets in.

Edgware is about 4 miles west of Finchley, in Greater London. Jobs in Edgware get the same care as everywhere else we work: old sealant removed completely, careful preparation and a one-year guarantee. Across Greater London, we cover 764 places, Edgware among them. London is on our list too, around 11 miles away.

All of HA8, NW7 and HA7 is covered for glazing silicone. Glazing silicone is available to properties on Station Road, Edgware Road High Street and Hillcrest Avenue. Edgware is on the A5100, so it’s easy for us to get to with everything needed for glazing silicone. Neighbouring places we cover for glazing silicone include The Hale (1 mile east), Broadfields Estate (1 mile north), Burnt Oak (1 mile south-east), Canons Park (1 mile south-west) and Little Stanmore (1 mile south-west). Within a short drive, we also cover London (11 miles south-east), City of Westminster (9 miles south-east), Marylebone (9 miles south-east), Kensington (9 miles south), St Pancras (9 miles south-east) and Shoreditch (10 miles south-east).

Local landmarks in Edgware

Around Edgware, our work takes us to homes and buildings near The Northgate School, Railway Hotel and London Academy and the streets around them. The closest station to Edgware is Mill Hill Broadway station, roughly 1.1 miles south-east of the centre. Nearby you’ll also find Hilfield Castle (3.6 miles north-west) and Broadwalk Centre (0.5 miles south-west). The countryside around Edgware includes Darland's Lake and Mill Hill Old Railway Nature Reserve.

Map of Edgware © OpenStreetMap contributors

DIY versus a professional 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.

Not every job suits DIY: high-level joints, fire-rated gaps, external movement joints and big jobs call for the right materials, safe access and experience.

20+ yearsMastic and sealant specialists
ARBOMaster approvedApproved applicator for Arbo sealants
Fully insuredDomestic, commercial and hotels
One-year guaranteeOn every job