Oxfordshire · England
Sand mastic for sash & case windows in Goosey, Oxfordshire
Our applicators work in Goosey on traditional burnt sand mastic around sash and case windows and doors in stone and brick. Old sealant removed completely, joints prepared properly and every job guaranteed for a year.
- Crumbling sand mastic round a window
- Draughts and rain around sash boxes
- Gaps round a timber door in stone or brick
Landlord and commercial work in Goosey
Whether it’s one flat or a portfolio, the work is the same standard: old sealant fully removed, joints prepared properly and a 12-month guarantee.
For anyone letting property in or around Goosey, several properties can go on one quote. Just tell us the addresses and what each one needs.
Sand mastic for homes and businesses in Goosey
We renew sand mastic around sash windows and doors in stone and brick. Out comes the old, loose mastic, the joint is prepared and new mastic is shaped by hand. If you are dealing with tired mastic found when preparing windows for paint and a silicone bead on a sash window that spoils the look, we can put it right, whatever the surface.
In a village or hamlet like Goosey, 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 one-year guarantee, wherever you are in Oxfordshire.
- Place
- Goosey (SN7)
- Wider area
- Oxfordshire
- Cover
- A year, on every job
- Quote
- A clear quote up front
- Call
- 0345 464 0079
- Page updated
- 26 October 2026
How it works
We work through the job in order: protect, prepare, seal, tidy. For most jobs that takes anything from a few hours to a full day, depending on how many windows and we leave things clean and tidy. Somewhere like Goosey needs a little journey planning: let us know about lanes, gates and parking. We bring what the job needs, so it can be finished in one trip where possible.
- First, we look at the surrounds with you and agree what needs doing.
- The loose and crumbling mastic is raked out and the joint cleaned.
- Deep voids are packed so the mastic is the right thickness.
- We mix the sand mastic and apply it by hand, shaping it to the joint.
- The mastic is finished to sit tidily against the stone or brick.
Getting ready for the visit
- Let us know if you’ve seen damp or leaks
- Move anything stored near the joints
- For business premises, tell us about site rules or sign-in
Ask for a quote
Getting a quote is simple: let us know what needs doing and where. A few photos by email make the job easier to understand.
Related advice
Sand mastic in Goosey: local notes
The South East is one of the drier parts of the UK, but outside sealant still needs a dry, clean surface, so outdoor work is planned around the forecast.
For an older house near a landmark such as Church of All Saints, frames set in older brick or stone need a sealant that suits the wall as well as the frame.
Goosey is about 4 miles north-west of Wantage, in Oxfordshire. Our applicators cover sand mastic for homeowners, landlords and businesses in Goosey and the surrounding area. Goosey is one of 443 towns and villages in Oxfordshire we cover. Oxford is on our list too, about 14 miles from Goosey.
Here we cover the SN7 postcode area for sand mastic. Nearby, we also carry out sand mastic in Denchworth (2 miles east), Charney Bassett (2 miles north-east), Lyford (3 miles north-east), Grove (3 miles east) and Pusey (3 miles north). Further out, we also cover Oxford (14 miles north-east), Didcot (10 miles east), Abingdon-on-Thames (10 miles north-east), Witney (11 miles north), Carterton (11 miles north-west) and Wantage (4 miles south-east).
Near you in Goosey
Typical jobs here are in homes near The Pound Public House and the streets around them. Well-known places in the area include Longworth Hospital (4.8 miles north-west) and Faringdon Castle (4.3 miles north-west). For a walk, there’s Chain Hill and Letcombe Valley.
When it is not the sealant
We’ll always be straight with you, so here’s what new sealant will not do:
- Sash cords, weights and draught-proofing of the sashes
- Rotten sashes, sills or window boxes (a joiner’s job)
- Masonry that needs repairing
If in doubt, call 0345 464 0079 or email us and we’ll say what we think before you book.
What we seal
- Tenement windows
- Stone surrounds
- Timber door frames
- Sash and case windows
- Period & listed homes
- Brick reveals
Keeping the joints in good condition
Once the sealant has cured, a few habits help it last:
- Plan mastic work ahead of painting
- Do not run silicone over sand mastic
- Avoid heavy scraping on the mastic joint
- Look over the window mastic once a year
When preparing windows for paint, take care around the mastic. It can be damaged by heavy scraping.
Gaps round a sash box let in draughts and rain. The longer it’s left, the more the joint opens as more mastic falls out.
Quotes for sand mastic in Goosey
Your quote is based on your job. We take into account:
- The number of rooms or windows
- The type of sealant required
- The old material and how stubborn it is
- Any mould that needs treating
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.
What we need to know
A few details help us give you an accurate quote. When you get in contact, it helps to mention:
- What’s wrong with the joints now
- The address or postcode of the job
- Pictures of the joints, sent by email
- Whether it has been sealed before
The more we know about the job, the more useful the quote. Tell us where the job is, what’s wrong and how much there is, and email photos if that is easy.
DIY versus a professional finish
A careful DIYer can reseal a simple joint, such as a straightforward joint indoors. Where it goes wrong is sealing over the old bead, working on a wet joint or overloading the gap.
If you’ve already had a go yourself, that’s fine. We cut it out and start again, so tell us about it when you ask for a quote.
Nearby places to Goosey
More services for Goosey
Your questions about sand mastic in Goosey
Is sand mastic in Goosey guaranteed?
All our work, in Goosey and everywhere else, comes with a 12-month guarantee. We are also fully insured and ARBOMaster approved.
Can you do sand mastic in Goosey?
Yes, Goosey is within the area we cover. Our work covers London and the South East. Just ring 0345 464 0079 or send us an email with a few details of the job, and we will send you a clear quote.
When will the new mastic be hard?
It takes a while. The skin forms first, and the full set comes later, and we will tell you what to expect.
Can you quote for more than one area?
Of course. Doing several areas at once is normally more efficient, so mention them when you ask for a quote.
Are you fully insured?
Yes. Mr Mastic is fully insured, and we have been doing sealant work for more than 20 years.
What exactly is sand mastic?
It’s a mix of sand and a linseed-oil-based binder. It’s built up in the joint by hand and finished to sit neatly against the masonry.
Do I have to be there?
For indoor joints, yes, someone needs to let us in. Once we have agreed the job, you do not need to watch us work.
Will it make a mess?
Not at all. The area is protected while we work and cleaned up afterwards.
When to call us in Goosey
Previous repairs in cement or silicone often trap water or crack away. They don’t move with the timber and we normally remove them.
Common reasons people contact us include:
- A silicone bead on a sash window that spoils the look
- Gaps between timber frames and stone or brick
- Wind and rain getting in round a sash window
- Tired mastic found when preparing windows for paint
In and around Goosey, as anywhere, good sand mastic starts with a clean, dry, properly prepared joint.
Questions to ask before booking
- What happens if they find a problem under the old sealant
- How the surfaces are prepared before sealing
- Whether all the old sealant comes out first
- Whether VAT is included