Portsmouth · England
Glazing Silicone in Landport
Glazing joints in Landport need attention? We cut out the old, prepare the joints and apply the right sealant.
- Black or yellowed silicone on glass joints
- Leaks from the base of a shower screen
- Leaks where conservatory glass meets the frame
How we handle glazing silicone in Landport
Glazing joints need a sealant made for glass. Our applicators use neutral-cure glazing silicone, which suits glass and most frame materials, finished with a neat, even bead. We work on glass-to-glass joints, conservatory frames and shower screens, and common reasons people get in touch are water getting into a conservatory at the joints and drips on the inside of a conservatory window.
Homes around Landport range from older properties to newer houses, and their windows range just as widely. Each frame material needs the right sealant against the right wall.
Big or small, you get the same 12-month guarantee.

- Location
- Landport (PO1, PO2, PO5)
- Wider area
- Portsmouth
- Guarantee
- One year on every job
- Quotes
- Quoted before any work starts
- Phone
- 0345 464 0079
- Page updated
- 26 October 2026
How we quote for glazing silicone
The quote reflects the job in front of us. We take into account:
- The old material and how stubborn it is
- The number of rooms or windows
- Any mould that needs treating
- The size of the job
Instead of a standard rate, we price the job in front of us: the amount of work, the old material and the access. You’ll know the price before we begin.
Helping us quote
Before you ask for a quote, have a think about:
- Access, such as stairs, a lift or height
- Pictures of the joints, sent by email
- Whether it has been sealed before
- What the problem is, such as mould, gaps, leaks or cracking
To get a quote, phone 0345 464 0079 or send 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.
Surface by surface
Conservatory frames
Frame joints face sun and rain all year. A fresh bead seals them again.
Shower screens
Mouldy or lifting sealant on a screen leaks. Cutting it out and resealing fixes it.
Looking after it afterwards
Once the sealant has cured, a few habits help it last:
- Do not use a blade near the sealant
- Keep air moving in the conservatory
- Run a squeegee over the glass when you are done
- Look over the glazing joints once a year
Squeegee a shower screen after each shower and keep the room ventilated. That slows mould growth on the bead.
Cracked glazing silicone means the joint has failed. Resealing now is a small job compared with fixing water damage later.
Windows and doors in Landport
Landport is within about 1 mile of the coast, and homes near the sea take more wind-driven rain, with salt in the air closer to the shore. Both are hard on glazing joints and frame seals, which can dry out and crack sooner where a building faces the weather. Rainfall in the South East is lower than in much of the UK, yet outdoor joints still have to be sealed dry, so jobs are booked with the weather in mind.
If you live in an older home near Church of All Saints, the joint between an old wall and a newer frame is usually the first place rain gets in. Rented homes near Portsmouth & Southsea station change hands often, and a shower screen or conservatory joint that leaks is easier to reseal while the property is empty.
Landport is about 1 mile south-west of Portsmouth, in Portsmouth. Wherever you are in the PO1 postcode area, we cover glazing silicone for homes and businesses. Our Portsmouth coverage runs to 19 places, and Landport is one of them.
Every address in PO1, PO2 and PO5 is within our area for glazing silicone. Whether your property is on Lake Road, Watts Road and Alfred Road or anywhere close by, our applicators can take on the job. Close by, we work in Portsmouth (1 mile north-east), Fratton (1 mile east), Rudmore (1 mile north), Kingston (1 mile east) and North End (1 mile north). We also work in nearby towns such as Wymering (3 miles north), Paulsgrove (3 miles north), Cosham (3 miles north), Drayton (3 miles north-east) and Farlington (4 miles north-east).
Local landmarks in Landport
Typical jobs here are in homes near The Painters Arms, St Edmund's Catholic School and Alexandra Park and the streets around them. Landport has its own railway station: Portsmouth & Southsea station. A little further out are Royal Portsmouth Hospital (less than half a mile south-west) and Charles Dickens Birthplace Museum (within half a mile north). Green spaces nearby include Milton Locks and Portsdown Hill.
Why it’s worth doing now in Landport
Silicone around glazing needs the right product. General-purpose sealant from a DIY shop may not suit glass or the frame, so we use neutral-cure glazing silicone. Homes in smaller places like Landport can face more weather, and failed outside joints let damp into walls. Inside, a split seal lets water into floors and panels just as it would anywhere.
There are no prices on our website, because each job is priced on what it involves. Call for a quick quote.
What you get with us
- Full insurance on every job
- Colour agreed with you before any work starts
- Sanitary silicone with an anti-fungal additive in wet areas
- Homes, businesses and hotels
Read our cost guide or what customers say.
Common questions in Landport
Do you cover smaller places like Landport?
Yes, Landport is covered. Our work covers London and the South East, from towns to the smallest places. The journey is planned ahead, so it helps to know about access.
Does living near the coast affect glazing silicone in Landport?
Coastal homes put outside sealant through more weather than inland ones, so the choice of sealant and the preparation matter even more. Walls facing the sea are generally the first to need attention.
Which products do you use?
We choose the sealant for the joint, not the other way round. Movement, water and weather all affect the choice, and we’ll explain our choice.
Can you do several jobs on one visit?
Yes. More than one area can be quoted together.
Do you guarantee glazing sealant work?
Our 12-month guarantee covers every job.
Can a conservatory leak be sealed?
It depends on the cause. Sealant joints we can renew, but roof panels and structural problems need a conservatory specialist or roofer.
What do you need from me for a quote?
Just the basics: the address or postcode, what’s wrong and any access issues. After that, simply ring 0345 464 0079 or drop us an email.
Where do you work from?
Our base is in Crawley, and we work across South East England, London and Scotland.
Other services in Landport
Can I do it myself?
If you do try it yourself, take your time over the preparation: remove every trace of old sealant, clean and dry the joint, and follow the product’s cure time. If it does not work out, we can still put it right.
A careful DIYer can reseal a simple joint, like a short, easy-to-reach joint indoors. The common mistakes are sealing over old sealant, sealing a damp joint and using far too much.
The process
Our applicators work methodically: protect, prepare, seal, tidy. For most jobs that takes a few hours for most jobs and we leave things clean and tidy. For a job in Landport, we agree the time, the access and parking before the day. Outdoor jobs depend on a dry day, since sealant needs a dry surface.
- We find where water is getting in and check whether it’s a sealant joint.
- We cut out the failed silicone, taking care of the glass and frame.
- We clean the joint with a solvent that suits the glass and frame.
- We apply a neutral-cure glazing silicone and tool it smooth.
- We look over every joint and, where we can, test it with water.
Getting ready for the visit
- Mention any tricky access
- Mention any leaks or damp you’ve noticed
- Let us know about parking restrictions
Ask for a quote
Getting a quote is simple: let us know the job and the location. Photos by email help us understand the job, and we will come back to you with a quote.
Advice
When to call us in Landport
Not every leak is a sealant problem: broken panels, roof problems and blocked gutters can all let water in. That is why we trace the leak first.
It’s worth asking for a quote if you see:
- Rooflight joints letting water in
- Cracked silicone between glass panels
- Stained, discoloured glazing silicone
- A quick top-up bead that didn’t last
Schools such as Ark Dickens Primary Academy are buildings too, and its window and door frames need their mastic kept sound, just like a home’s.
What to look for in a quote
- What the cure time is
- Whether they seal over old material or remove it
- What the quote includes, VAT included or not
- What insurance they hold
