Hampshire · England
Window & door mastic in Ashton, Hampshire
Window mastic in Ashton from a team with over 20 years’ experience. 180+ five-star Google reviews and a 4.9 rating.
- Gaps between the frame and the inside reveal
- Cold air getting in at the frame edge
- Gaps where the sill meets the wall
Window mastic in Ashton
Homes in Ashton have every kind of window: uPVC, aluminium, timber and composite, plus patio doors, French doors and sills. Each gets a sealant chosen for the frame and the wall it meets. If you have cracked internal joints between frame and plaster and gaps where the sill meets the wall, we can put it right.
In a village or hamlet like Ashton, older cottages and farmhouses often have timber windows set in stone or brick. Older buildings like these don’t always suit modern silicone, so the sealant has to be chosen to suit the building.
Big or small, you get the same one-year guarantee.
- Where
- Ashton (SO32)
- Region
- Hampshire
- Guarantee
- A year, on every job
- Quotes
- A clear quote up front
- Call
- 0345 464 0079
- Last updated
- 26 October 2026
Common questions in Ashton
Do you cover smaller places like Ashton?
Yes, Ashton is covered. Our work covers London and the South East, and smaller places are part of that. The journey is planned ahead, so it helps to know about access.
Do you cover Ashton for window mastic?
Yes. Our work covers London and the South East, and Ashton is part of that. Just phone 0345 464 0079 or drop us an email with a few details of the job, and we will send you a clear quote.
Do you work for letting agents?
Yes, we do. Domestic, commercial and hotel work are all part of what we do, and we’re fully insured.
Is it OK to seal over old sealant?
No. We remove every bit of old sealant first, so the new joint bonds to clean surfaces.
Do you work on first-floor windows?
Yes, where it’s safe. Higher or awkward frames may need extra access, and we will confirm what’s needed.
Do you have sealant for grey or black windows?
Yes. White, brown, anthracite grey, black and clear sealants are all available.
What sealant 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 will explain our choice.
Is it worth trying it myself?
You can, for simple jobs. Preparation is everything: all the old sealant out, and a clean, dry joint. If it doesn’t work out, we can redo it.
Common problems we fix in Ashton
Every frame moves through the day. A plastic or aluminium frame lengthens in sunshine and shortens as it cools, while the brick or render around it hardly moves. A sealant that cannot keep up eventually tears.
The most common problems we see are:
- White mastic on grey or black frames
- Black, perished sealant on frames
- Rain getting in at the frame or under the sill
- Leaking joints at the ends of sills
If you live in an older home near Church of St Peter, the joint between an old wall and a newer frame is usually the first place rain gets in.
Questions to ask before you book
- Whether the sealant suits the joint
- What happens if they find a problem under the old sealant
- Is VAT in the price?
- Whether all the old sealant comes out first
Windows and doors in Ashton
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.
Schools such as Bishops Waltham Infant School are buildings too, and larger buildings have plenty of frames, and the mastic around each one ages. If you let a flat or house near Botley station, cracked frame mastic tends to show up as a draught or damp complaint, so it’s worth checking between lets.
Ashton is about 5 miles north-east of Hedge End, in Hampshire. For window mastic in and around Ashton, it’s easy to get a quote: please ring 0345 464 0079 or email us. We are based in Crawley and cover Hampshire. Ashton is one of 683 towns and villages in Hampshire we cover. For nearby work, see our Southampton page (8 miles or so).
All of SO32 is within our area for window mastic, from the main roads to the quietest streets. If you’re just outside Ashton, we cover Upham (1 mile north-west), Bishop's Waltham (1 mile south), Durley Street (1 mile south-west), Lower Upham (1 mile west) and Wintershill (2 miles west). We also work in nearby towns such as Winchester (8 miles north-west), Gosport (12 miles south), Havant (13 miles south-east), Eastleigh (5 miles west), Fareham (8 miles south) and Horndean (10 miles south-east).
What’s near Ashton
Locally, jobs take us to homes and businesses close to Swanmore College of Technology, among other places. Ashton’s nearest station is Botley station, roughly 4 miles south-west. Well-known places in the area include Bishop's Waltham Museum (1.1 miles south) and Moorgreen Hospital (5.3 miles south-west). Open spaces near Ashton include Beacon Hill and Bishops Waltham Branch LNR.
Different surfaces, different methods
Timber windows & doors
Older timber windows in stone or brick can suit sand mastic rather than modern sealant. We can talk through the options.
Composite doors
If the door itself is draughty, the issue may be the door seals or hinges rather than the frame mastic. We seal the frame and let you know about anything else.
How the visit works
Most of a good job is in the preparation, so that is where we spend the time. Every joint is cleaned and dried before new material goes in. In total, it normally takes a few hours for a few frames, or a day or more for a whole house. For a village or hamlet like Ashton, the journey is planned in advance: let us know about lanes, gates and parking. Everything for the job comes with us, so a second trip is avoided where possible.
- First, we confirm safe access to each frame.
- Old, cracked mastic is removed completely.
- The surfaces are cleaned and left dry.
- Backing rod fills deep voids and the sealant goes in on top.
- We tool the joint so water runs off, then clear up.
Preparing for the visit
- Where the joints are inside, avoid wetting them before we arrive
- Let us know about earlier repairs to the joints
- Mention any parking rules near the property
Get a quote
If you are in Ashton and need window mastic, call 0345 464 0079 or send us an email. A short description of the job and where it is helps us quote, and we will agree the price before any work begins.
Read more
Landlords, agents and businesses in Ashton
For anyone letting property in or around Ashton, several properties can be quoted together. Just tell us the addresses and what each one needs.
We work for landlords and letting agents as well as householders. Sealant work between tenants keeps a property looking cared for before the next move-in.
Quotes for window mastic in Ashton
Some jobs are bigger than they look, and some smaller. What affects the quote:
- Any mould that needs treating
- The number of rooms or windows
- How much old sealant there is and how hard it is to remove
- When we can work, for business premises
What you pay reflects the work, not a rough estimate. That’s why we ask about the job first and agree the price before starting.
Asking for a quote
There’s no need for technical detail. Just tell us:
- Access, such as stairs, a lift or height
- The address or postcode of the job
- If it’s domestic, commercial or a hotel
- Photos by email, if that’s easy
To get a quote, phone 0345 464 0079 or drop us an email with the location and a short description of the problem. We’ll give you a clear price before any work starts.
Aftercare tips
Aftercare is simple, and it makes a real difference:
- Keep solvents and bleach off the sealant
- Repaint timber before it’s bare
- Make sure the drainage slots aren’t blocked
- Ventilate rooms so frames don’t stay wet inside
Wipe the frames with soapy water when you clean the windows, and avoid solvent cleaners on the sealant.
Signs to watch for: cracks in the mastic, gaps you can see light through, damp on the reveal or mould around the inside of the frame. Any of these is worth a call.
What sealant work cannot fix
Sealant is not the answer to every problem, and we will tell you before we start. It won’t solve:
- A sash or casement that won’t close properly
- A failed sealed unit that has misted up
- Worn gaskets, brush seals or a door that has dropped
If in doubt, phone 0345 464 0079 or drop us an email and we’ll say what we think.
What we seal
- uPVC windows
- Window sills
- Composite doors
- Aluminium frames
- Patio & French doors
- Timber windows & doors