Oxfordshire · England
Upper Brailes Window Mastic
Mastic around window and door frames, sills and patio doors for homes and businesses in Upper Brailes and across Oxfordshire. ARBOMaster approved applicators, fully insured, with a 12-month guarantee.
- Gaps between the frame and the inside reveal
- Draughts coming in around windows and doors
- Black, perished sealant on frames
Keeping the joints in good condition
How long the joints last depends on use and care. We suggest:
- Wipe condensation off the frames
- Keep drainage slots and sill grooves clear
- Clean frames with a soft cloth and soapy water
- Avoid blasting the frames with a pressure washer
Try not to touch the new joint while it cures, for as long as we advise. Do not point a pressure washer at the joints.
Water gets in quietly when mastic fails. You might not see it until plaster blows or a damp patch appears inside. Catching it early keeps the fix to a reseal.
About our window mastic in Upper Brailes
Frames and walls do not move together. Heat and cold make frames grow and shrink against brick or render that hardly moves. That is why the joint needs a flexible, low-modulus sealant rather than something rigid. If you’re dealing with gaps between the frame and the inside reveal and a bead that doesn’t match the frame, we can help.
In a village or hamlet like Upper Brailes, older cottages and farmhouses often have timber windows set in stone or brick. Not every older frame suits a modern silicone bead, and sometimes a traditional sand mastic is the better choice.
Our work is backed for twelve months, and the guarantee is the same wherever you are.
- Where
- Upper Brailes (OX15)
- Wider area
- Oxfordshire
- Guarantee
- 12 months on all our work
- Price
- Quoted before any work starts
- Telephone
- 0345 464 0079
- Page updated
- 26 October 2026
Common problems we fix in Upper Brailes
Timber windows bring their own problems. Old mastic gets painted over and cracks under the paint, and the wood moves with damp as well as heat.
It’s worth asking for a quote if you see:
- Damp patches on the reveal after heavy rain
- Hard, cracked sealant around windows
- Sealant in the wrong colour for the frame
- Black, perished sealant on frames
Schools such as Brailes CofE Primary School are buildings too, and its window and door frames need their mastic kept sound, just like a home’s.
Questions to ask before booking
- How the colour is chosen
- How the joint is cleaned and prepared
- What the quote includes, VAT included or not
- Which sealant they’ll use, and why
Different surfaces, different methods
Composite doors
An exposed front door gets wind-driven rain. We pay most attention there.
uPVC windows
The frame is cleaned with a product that will not harm the plastic, then the sealant goes in between frame and wall and tooled smooth.
What happens on the day
There’s no need to move everything out before we come, just the space around the work. We protect the rest, and the work takes a few hours for a few frames, or a day or more for a whole house in most cases. Somewhere like Upper Brailes 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.
- We start by checking each window and door with you.
- We remove the old mastic and clean the frame and the wall.
- We fit backing rod in deep gaps so the sealant is the right depth.
- New exterior sealant goes on in a matching colour and is tooled smooth.
- Every joint is checked before we leave.
Preparing for the visit
- Let us know about stairs, lifts or work at height
- Keep pets and children clear of the area while we work
- Mention any parking rules near the property
Ask for a quote
The more we know about the job, the more useful the quote. Let us know the location, the problem and roughly how many joints, and email pictures if that’s easy.
Read more
What affects the cost of window mastic
Jobs vary more than people expect. What affects the quote:
- The product the joint needs
- Mould in or behind the old joints
- How much old sealant there is and how hard it is to remove
- The size of the job
A few things move the cost up or down: how much old sealant there is and how stubborn it is, whether mould needs treating, and whether the work is at height. We take all of that into account in your quote.
Helping us quote
To make quoting easier, let us know:
- Pictures of the joints, sent by email
- If someone has resealed it before
- How we’d reach the joints
- What’s wrong with the joints now
For window mastic in Upper Brailes, phone 0345 464 0079 or email us. A short description of the job and where it is helps us quote, and you will get a clear quote before work begins.
Common questions in Upper Brailes
Can you do window mastic in Upper Brailes?
Yes. Our work covers London and the South East, and Upper Brailes is part of that. Just phone 0345 464 0079 or send us an email with a few details of the job.
Is there a guarantee on window mastic in Upper Brailes?
All our work, in Upper Brailes and everywhere else, comes with a 12-month guarantee. We are also fully insured and ARBOMaster approved.
Do you seal inside as well as outside?
Yes. Inside, the joint between frame and plaster is sealed neatly.
What sealant do you use?
The product depends on the job: anti-fungal sanitary silicone in wet areas, and other sealants where joints move or face the weather. We use products from Arbo and Everbuild.
Will there be a smell?
Possibly a little. It fades as the sealant cures, and ventilation helps.
Can tenants book the work?
Yes, but check with your landlord or agent first. Many landlords are glad to have it sorted.
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 ring 0345 464 0079 or send us an email.
Is it worth trying it myself?
Some simple jobs can be done by a careful DIYer. The usual mistakes are sealing over old sealant, sealing a damp joint and using too much.
Nearby places to Upper Brailes
Other services in Upper Brailes
Upper Brailes homes and the weather
London and the South East are among the drier parts of the UK, though outdoor sealant still has to go onto a dry joint, so the forecast decides the day.
If you live in an older home near Church of St George, replacement windows fitted into old openings often leave uneven gaps that need backing and a flexible joint.
Upper Brailes is about 9 miles west of Banbury, in Oxfordshire. Anywhere in OX15, our applicators can take on window mastic. We cover 443 towns and villages across Oxfordshire, large and small. We also work in Oxford, around 25 miles away.
Jobs for window mastic in OX15 works the same way as everywhere else we cover. Window mastic is available to properties on Castle Hill, Fant Hill and Henbrook Lane and the roads around them. Close by, we work in Lower Brailes (1 mile south-east) and Sutton-under-Brailes (2 miles south). Within a short drive, we also cover Banbury (9 miles east), Chipping Norton (8 miles south), Neithrop (8 miles east), Grimsbury (10 miles east), Ruscote (8 miles east) and Bloxham (8 miles east).
Around Upper Brailes
Typical jobs here are in homes near The Gate Inn, among other places. Well-known places in the area include Ellen Badger Hospital (2.9 miles west). For a walk, there’s Castle Hill and Woodford Bottom and Lamb's Pool.
Honest limits
We won’t take on work that will not last, so these are the limits:
- Misting between the panes of a double-glazed unit (that needs a new unit)
- Broken hinges, locks or handles
- Rotten timber, which needs a joiner first
If you’re not sure, just phone 0345 464 0079 or send us an email and we’ll give you a straight answer before booking.
Surfaces we seal
- Patio & French doors
- Window sills
- uPVC windows
- Aluminium frames
- Composite doors
- Timber windows & doors
For landlords and businesses
Failed sealant is one of the commonest items on a check-out report, and it’s easy to sort out between tenants. We can quote for more than one property at once.
Businesses can book us for washrooms, kitchens, offices and more. For commercial premises, we can talk through working times when we quote.