Oxfordshire · England
Window & door mastic in Alkerton, Oxfordshire
Mastic around window and door frames, sills and patio doors for homes and businesses in Alkerton and across Oxfordshire. Fully insured, ARBOMaster approved and guaranteed for a year.
- Draughty joints inside around the window
- Mastic that has split away from the wall
- Black, perished sealant on frames
What we cannot put right
We’d rather tell you now than do work that will not last, so these are the limits:
- Misting between the panes of a double-glazed unit (that needs a new unit)
- Draughts through the window seals rather than the frame
- Faulty window hardware
If in doubt, call 0345 464 0079 or send us an email and we’ll say what we think before you book.
Joints and surfaces we work on
- Composite doors
- Patio & French doors
- uPVC windows
- Window sills
- Timber windows & doors
- Aluminium frames
Window mastic in Alkerton, done properly
The mastic around a window or door seals the gap between the frame and the wall. When it cracks, hardens or pulls away, draughts and rain get in. Our applicators cut it out and replace it with a flexible, weatherproof sealant. We work on composite doors, aluminium frames and patio & French doors, and common reasons people get in touch are cracked or shrunken mastic around the frame and draughty joints inside around the window.
Outdoor sealant needs dry, clean surfaces, so work on frames around Alkerton is planned for dry weather. Tell us about access to every side of the house, including upper-floor windows.
Our work is backed for twelve months, and the guarantee is the same wherever you are.
- Place
- Alkerton (OX15)
- Region
- Oxfordshire
- Cover
- A year, on every job
- Quotes
- A clear quote up front
- Phone
- 0345 464 0079
- Updated
- 26 October 2026
Why deal with it now?
Once mastic fails, rain can get between the frame and the wall. Over time that can mean damp patches, damaged plaster and rotting timber. Resealing now is a small job by comparison. Older cottages and farmhouses around Alkerton can have timber floors and frames, and water through a failed joint can rot timber if it’s left.
Homes and businesses are quoted the same way: the amount of work, the access and the products needed, along with when we can work on site. Call for a quick quote and we’ll explain what it covers.
Why book with us
- More than 20 years in sealant work
- We agree the colour with you first
- Colour picked to suit the job
- Trusted Arbo and Everbuild sealants
Places near Alkerton
More services for Alkerton
Frames and glazing around Alkerton
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. With historic houses such as Upton House (about 1.9 miles north) nearby, there’s older building stock in the area around Alkerton as well as newer homes. In older buildings, older frames set in brick or stone need a sealant that suits them, and sometimes that’s traditional sand mastic.
In the older streets around Church of St Michael, replacement windows fitted into old openings often leave uneven gaps that need backing and a flexible joint.
Alkerton is about 5 miles west of Banbury, in Oxfordshire. From the centre of Alkerton to the outskirts, window mastic is available for homes and businesses alike. Our Oxfordshire coverage runs to 443 places, Alkerton among them. For nearby work, see our Oxford page, about 25 miles away.
Jobs for window mastic in OX15 is quoted and booked the same way as anywhere else. If you are just outside Alkerton, we cover Shenington (1 mile west), Balscote (1 mile south-east), Shutford (2 miles south), Epwell (2 miles south-west) and Swalcliffe (3 miles south). We also work in nearby towns such as Banbury (5 miles east), Chipping Norton (11 miles south-west), Neithrop (4 miles east), Grimsbury (6 miles east), Ruscote (4 miles east) and Bloxham (5 miles south-east).
Local landmarks in Alkerton
In Alkerton, that means homes and buildings near The Bell Inn. Nearby you will also find Hanwell Castle (3.7 miles east) and W. O. Bentley Memorial Foundation (1.8 miles east). For a walk, there’s Edge Hill and Woodford Bottom and Lamb's Pool.
FAQs for Alkerton
What guarantee comes with window mastic in Alkerton?
Every job comes with our one-year guarantee, wherever it is. We’re fully insured, and an ARBOMaster approved applicator.
Can you do window mastic in Alkerton?
Yes. Our work covers London and the South East, and Alkerton is part of that. Just ring 0345 464 0079 or email us with a few details of the job.
I rent my home. Can I book you?
Yes, but check with your landlord or agent first. Many landlords are glad to have it sorted.
Can you work on commercial sites?
Yes, regularly. Larger jobs can be planned room by room or area by area to suit the site.
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’ll explain our choice.
Do you have sealant for grey or black windows?
Normally, yes. Tell us the frame colour when you get in touch and we will match it as closely as we can.
Can resealing stop a draught around my window?
Yes, where the draught is at the frame edge. We find where the air is coming from before we reseal.
Can landlords and businesses book you?
Yes, we do. We work in homes, commercial premises and hotels.
What happens on the day
We work through the job in order: protection first, then preparation, sealing and a tidy-up. Typically it takes a morning for a couple of windows and a door and we leave things clean and tidy. Somewhere like Alkerton needs a little journey planning: 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 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.
- A flexible exterior sealant is applied in a colour to suit the frame.
- We tool each bead neatly and check every joint is closed.
How to prepare
- Plan for the work area to be out of bounds to pets and children
- Let us know about stairs, lifts or work at height
- Try not to wet indoor joints just before the visit
Getting a quote
We do not publish a price list. Instead, your job gets its own clear quote. To get started, call 0345 464 0079 or drop us an email.
Related advice
Common problems we fix in Alkerton
On timber frames, paint and putty build up around the joint. Old mastic gets painted over and cracks under the paint, and the wood moves with damp as well as heat.
If you can see any of these, it’s time to have the joints looked at:
- A bead that does not match the frame
- Gaps between the frame and the inside reveal
- Draughts coming in around windows and doors
- Mastic that has split away from the wall
Managing a site like Shenington Church of England Primary School? Then its window and door frames need their mastic kept sound, just like a home’s.
What to look for in a quote
- How the surfaces are prepared before sealing
- What guarantee comes with the work
- What the cure time is
- How the colour is chosen
What affects the quote in Alkerton
Call for a quick quote. What matters most is:
- Which sealant suits the joint
- When we can work, for business premises
- How many areas need sealing
- Whether old sealant or filler has to be cut out
What it costs depends on the size of the job, how hard the old material is to remove and how easy the joints are to reach. You’ll have a clear quote before any work starts.
Asking for a quote
When you contact us, these details help:
- The address or postcode of the job
- The problem you’ve noticed
- Roughly how big the job is
- If it’s domestic, commercial or a hotel
Every job is quoted individually, so start by telling us what you need. Just call 0345 464 0079 or drop us an email with the details and send photos if you have them.
How to look after the new joints
How long the joints last depends on use and care. We suggest:
- Avoid harsh chemicals near the mastic
- Check the mastic once a year
- Clean frames with a soft cloth and soapy water
- Keep drainage slots and sill grooves clear
Most silicone sealants won’t take paint, so if you are planning to paint the frames or walls, tell us beforehand. There are paintable sealants for joints that need it.
Water trapped behind a failed joint can start rot in timber frames and sills. Rotten timber needs a joiner, not a sealant, so it pays to reseal before that happens.
Landlords, agents and businesses in Alkerton
We also work for property managers and facilities teams in Alkerton and across Oxfordshire. We can quote a run of properties together, and we’re fully insured for the work.
Landlords and letting agents in Alkerton can book us as well as homeowners. Resealing between tenancies is a simple way to keep a property in good order before the next move-in.