Hampshire · England
Window Mastic in Hill Grove
Our applicators work in Hill Grove on mastic around window and door frames, sills and patio doors. Old sealant removed completely, joints prepared properly and every job guaranteed for a year.
- Untidy mastic left by window fitters
- Draughty joints inside around the window
- Cold air getting in at the frame edge
Window mastic in Hill Grove, done properly
Around Hill Grove we seal all kinds of frames: 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. Typical jobs include old mastic that has gone black or come away and cold air getting in at the frame edge, on aluminium frames, composite doors and window sills.
In a village or hamlet like Hill Grove, older cottages and farmhouses often have timber windows set in stone or brick. Not every older frame suits a modern silicone bead, so the sealant has to be chosen to suit the building.
Every job comes with a one-year guarantee.
- Place
- Hill Grove (SO32)
- Region
- Hampshire
- Guarantee
- A year, on every job
- Price
- A clear price before work begins
- Telephone
- 0345 464 0079
- Page updated
- 26 October 2026
How to look after the new joints
Once the sealant has cured, a few habits help it last:
- Keep paint off silicone joints
- Air rooms to keep condensation down around windows
- Make sure the drainage slots are not blocked
- Do not aim a pressure washer at the joints
Check the drainage slots in the frames aren’t blocked, so rain drains out rather than building up at the sealant.
A small gap around a frame only grows. As old mastic keeps shrinking, the gap widens, and a cold room gets colder. A new joint closes it up.
Quotes for window mastic in Hill Grove
There’s no set price list. What we look at:
- How easy the joints are to reach
- Any working-time requirements on site
- The product the joint needs
- The old material and how stubborn it is
What it costs depends on the size of the job, how hard the old material is to remove and access to the work. You’ll have a clear quote before any work starts, so you know where you stand.
What to tell us for a quote
What to tell us when you ask for a quote:
- Whether it has been sealed before
- Pictures of the joints, sent by email
- Where the property is
- How we’d reach the joints
A good description makes for an accurate quote. Tell us where the job is, what’s wrong and how much there is, and email pictures if that is easy.
Places near Hill Grove
Other services in Hill Grove
Landlords, agents and businesses in Hill Grove
Letting agents often deal with us directly. Tell us the address, the job and how access works and we’ll give you a quote.
From a single let to a portfolio, the work is the same standard: the old material taken out, careful preparation and a 12-month guarantee.
The process
We keep the work tidy and contained to the area we’re working on, so you can get on with your day. Expect the work to take a morning for a couple of windows and a door. Somewhere like Hill Grove needs a little journey planning: tell us about narrow lanes, gates, long drives and where we can park. We bring what the job needs, so it can be finished in one trip where possible.
- First, we go round the frames with you and agree the list.
- The old mastic is cut out and scraped back to clean surfaces.
- Where the gap is deep, backing rod goes in first.
- The new sealant goes on in white, brown, anthracite grey, black or clear to suit.
- We tool each bead neatly and check every joint is closed.
How to prepare
- Mention any sign-in or site rules at work premises
- Mention any tricky access
- Try not to wet indoor joints just before the visit
Getting a quote
Every job is quoted individually, so start by telling us what you need. Simply phone 0345 464 0079 or send us an email and describe the job.
Related advice
When to call us in Hill Grove
Mastic ages in the weather. UV light hardens the outside of the bead, and over the years it loses its give, cracks and comes away.
Any of these means the joints need attention:
- Mastic that has split away from the wall
- Draughts coming in around windows and doors
- Mastic that’s falling out in pieces
- A bead that doesn’t match the frame
For an older house near a landmark such as Church of St Barnabas, the windows may be timber, sash or later replacements, and each needs the right sealant against the wall.
Questions to ask before you book
- How the colour is chosen
- Who does the work, and how experienced they are
- What guarantee comes with the work
- Is the old sealant removed completely?
Hill Grove: your questions answered
Will you come out to Hill Grove?
Yes, smaller places are covered as well as towns. Our work covers London and the South East. Let us know about access, parking and anything unusual about getting there when you book.
I let a flat near Botley station. Can you help?
Yes, landlords and agents are among the people we work for, and several properties can go on one quote. Just ring 0345 464 0079 or email us with the address and what needs doing, and we’ll give you a clear quote.
Is it OK to seal over old sealant?
No. The old sealant always comes out first, so the new sealant bonds properly.
Do you do commercial work?
Yes. We’ve worked for hotels, offices and other businesses.
Are you fully insured?
Yes. We’re fully insured.
Which products do you use?
Products from Arbo and Everbuild, among others, picked for each joint. We will tell you what we’re using and why.
What do you need from me for a quote?
Only a few details: the address or postcode, what’s wrong and any access issues. After that, simply phone 0345 464 0079 or send us an email.
How long does it take to reseal the windows on a house?
That depends on the number of frames, how they’re reached and the state of the old mastic. We will tell you how long your job needs when we quote.
How the job changes by surface
Timber windows & doors
Timber moves with moisture as well as heat, so the joint must stay flexible. We seal onto sound, dry paintwork or timber.
Patio & French doors
The joints around patio doors run a long way, top, sides and threshold. Most leaks start at the bottom corners, so they get particular care.
Window mastic in Hill Grove: local notes
The South East is one of the drier parts of the UK, though outdoor sealant still has to go onto a dry joint, so the forecast decides the day.
For site and facilities teams at buildings such as Swanmore Church of England Aided Primary School, larger buildings have plenty of frames, and the mastic around each one ages. If you let a flat or house near Botley station, renewing tired window mastic between tenants heads off draught and damp complaints.
Hill Grove is about 6 miles east of Hedge End, in Hampshire. From the centre of Hill Grove to the outskirts, we cover window mastic for every kind of property. Hill Grove is one of 683 towns and villages in Hampshire where we work for window mastic. Our Southampton page covers work nearby.
Work in SO32 works the same way as everywhere else we cover. Whether your property is on Droxford Road, Hill Grove Lane and Dodds Lane or anywhere close by, we can help. Close by, we work in Swanmore (1 mile west), Upper Swanmore (1 mile north), Mislingford (1 mile south), Kingsmead (2 miles south) and Shirrell Heath (2 miles south-west). Larger places within reach include Winchester (10 miles north-west), Gosport (10 miles south), Havant (10 miles south-east), Eastleigh (8 miles west), Fareham (6 miles south) and Horndean (7 miles east).
Near you in Hill Grove
Around Hill Grove, our work takes us to homes and buildings near Swanmore College of Technology, among other places. For rail, the closest station is Botley station, roughly 4.1 miles south-west of the centre. Nearby you’ll also find Knowle Hospital (4.4 miles south) and Bishop's Waltham Museum (2.1 miles north-west). For a walk, there’s St Clair's Meadow and Beacon Hill.
Can I do it myself?
If you are 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.
Sealing over old silicone is the commonest DIY error. Silicone does not stick to old silicone, so it lifts and traps water and mould underneath. Everything old must be removed first.