Oxfordshire · England
Frilford Heath Window Mastic
Specialist window mastic for Frilford Heath: the right sealant, proper preparation and a neat finish. Call for a quick quote.
- Whistling draughts around closed windows
- Draughty joints inside around the window
- Cracked sealant at the sill ends
Window mastic in Frilford Heath, done properly
A window frame and the wall around it expand and shrink at different rates. Heat and cold make frames grow and shrink against brick or render that hardly moves. So the sealant has to stretch and recover, which is why we use a low-modulus product. If you have a bead that doesn’t match the frame and leaking joints at the ends of sills, we can put it right.
In a village or hamlet like Frilford Heath, 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 our 12-month guarantee, wherever you are in Oxfordshire.
- Location
- Frilford Heath (OX13)
- Wider area
- Oxfordshire
- Guarantee
- 12 months on all our work
- Price
- Quoted before any work starts
- Phone
- 0345 464 0079
- Last updated
- 26 October 2026

How the job changes by surface
Composite doors
Front doors take the weather head on. We pay most attention there.
Window sills
Sills catch the water running down the glass, so the sill ends and the joint under the frame are vital. They’re cut out and resealed with exterior sealant.
Why it’s worth doing now in Frilford Heath
Draughts and leaks do not always mean new windows. Where the frames are sound, new mastic normally deals with draughts and leaks at the edges. Problems with the glass or gaskets are for a window company, and we will say so. Older cottages and farmhouses around Frilford Heath can have timber floors and frames, where water from a failed joint can cause rot if it’s left.
Every job is a little different, so each one gets its own quote. The number of joints, how easy they are to reach and the sealant needed all make a difference.
What you get with us
- A sealant colour to suit the surroundings
- Every job guaranteed for a year
- We never seal over old sealant
- Tidy, careful work
Take a look at what affects the cost or customer reviews.
What window mastic looks like in Frilford Heath
Historic houses like Appleton Manor (about 2 miles north) are a reminder that the area around Frilford Heath has older buildings as well as new. In older buildings, older frames set in brick or stone need a sealant that suits them, and sometimes that’s traditional sand mastic. London and the South East are among the drier parts of the UK, but outside sealant still needs a dry, clean surface, so outdoor work is planned around the forecast.
For landlords with property near Radley station, cracked frame mastic tends to show up as a draught or damp complaint, so it’s worth checking between lets. For an older house near a landmark such as Church of St Lawrence, the joint between an old wall and a newer frame is usually the first place rain gets in.
Frilford Heath is about 3 miles west of Abingdon-on-Thames, in Oxfordshire. Anywhere in OX13, we can carry out window mastic at your property. Frilford Heath is one of 443 places in Oxfordshire where we work. We also work in Oxford, around 7 miles away.
We work across OX13 for window mastic. We also cover the places around Frilford Heath: Tubney (1 mile north-west), Frilford (1 mile south), Marcham (1 mile south-east), Cothill (1 mile north-east) and Fyfield (2 miles west). Larger places within reach include Oxford (7 miles north-east), Didcot (7 miles south-east), Abingdon-on-Thames (3 miles east), Witney (9 miles north-west), Carterton (12 miles north-west) and Wantage (7 miles south-west).
What’s near Frilford Heath
Locally, jobs take us to homes and businesses close to Larkmead School and The Dog House Hotel, among other places. For rail, the closest station is Radley station, roughly 5 miles east. Nearby you will also find Abingdon Community Hospital (2.5 miles east) and FitzHarris Castle (3.2 miles east). Not far away are Cumnor Hill and Hitchcopse Pit.
What we’re called out for in Frilford Heath
A lot of older mastic was never designed to stay flexible. Once it has hardened, the frame’s movement tears it from the wall, leaving a hairline gap down one side.
Signs it’s time to call us include:
- Sealant in the wrong colour for the frame
- Mastic that has split away from the wall
- Water coming in at the bottom corners of a door
- Whistling draughts around closed windows
Managing a site like Abingdon Preparatory School? Then its window and door frames need their mastic kept sound, just like a home’s.
What your quote should include
- When the joint can take water or movement
- Who does the work, and how experienced they are
- What happens if the job turns out different
- Whether you can choose the colour
For landlords and businesses
If you manage several properties in or around Frilford Heath, jobs at different addresses can go on one quote. Just tell us the addresses and what each one needs.
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.
What we cannot put right
To be straight with you, some problems need a different trade:
- A frame that has rotted at the joint
- Faulty window hardware
- Draughts through the window seals rather than the frame
If in doubt, call 0345 464 0079 or send us an email and we will say what we think before booking.
What we seal
- Patio & French doors
- Timber windows & doors
- Window sills
- uPVC windows
- Aluminium frames
- Composite doors
More services for Frilford Heath
Frilford Heath questions
I let a flat near Radley station. Can you help?
Yes, rental work is part of what we do. You can phone 0345 464 0079 or email us with the address and a few details, and we’ll give you a fixed price before we start.
Do you cover smaller places like Frilford Heath?
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.
Are you insured?
Yes, we are fully insured for domestic and commercial work.
Should I try DIY first?
It depends on the job. Work at height, movement joints, fire-rated gaps and large areas are best left to a professional.
How long will my window job take?
The work takes a few hours for a handful of frames, longer for a whole house. Access and the amount of old mastic make the biggest difference.
Can you match the sealant to my frames?
Yes, we choose a colour to suit the frame. Anthracite grey, black, brown and white cover most frames, with clear as an option.
Where is Mr Mastic based?
We are based in Crawley, West Sussex, and we cover South East England, London and all of Scotland.
Do you work on first-floor windows?
Yes, if safe access is possible. For high or awkward windows, we will tell you what access is needed.
How it works
Before we leave, we go over the finished joints with you. The visit itself normally takes a morning for a couple of windows and a door, depending on the size of the job. Somewhere like Frilford Heath 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 check how each frame can be reached safely.
- All the failed sealant is cut away, along with any loose debris.
- Frame and wall are cleaned and must be dry before sealing, and primed where the sealant calls for it.
- Deep voids are backed, then the sealant is gunned in.
- We tool the joint so water runs off, then clear up.
How to prepare
- Mention any leaks or damp you’ve noticed
- For indoor joints, keep the area dry beforehand if you can
- Clear the area around the work
How to get a quote
For a quote, call 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.
Read more
Can I do it myself?
The difference is mostly in the preparation and the product. Joints are cleaned back to sound surfaces and dried, and the sealant is chosen for how the joint moves and where it is.
Too much sealant is as bad as too little. A thick, smeared bead looks untidy and doesn’t move well, and the joint depth matters as much as the finish.
