Oxfordshire · England
Tackley Sand Mastic
Problem with your window and door surrounds in Tackley? We cut out the old, prepare the joints and apply the right sealant, and the work is guaranteed for a year.
- Patchy fillers round a sash window
- Old sand mastic that has cracked, crumbled or fallen out
- Window mastic to renew ahead of painting
Keeping the joints in good condition
Once the sealant has cured, a few habits help it last:
- Plan mastic work ahead of painting
- Ask the planning authority about consent for listed or conservation-area homes
- Take care around the mastic when scraping paint
- Keep modern sealant off the mastic
Do not touch or press the mastic while it hardens. It forms a skin fairly soon, but takes longer to harden fully.
An open joint round the box lets weather through. The longer it’s left, the more the joint opens as more mastic falls out.
How we handle sand mastic in Tackley
Across Tackley, we renew sand mastic around sash and case windows. Each joint is raked out, prepared and pointed by hand, finished to suit the masonry. We work on timber door frames, sash and case windows and period & listed homes, and common reasons people get in touch are draughts and rain around sash boxes and gaps between timber frames and stone or brick.
Around Tackley, many homes face open ground, so their windows and doors take the full weather. Exposed frames and sills lose their mastic sooner than sheltered ones.
We stand behind the work with a 12-month guarantee.
- Where
- Tackley (OX5)
- Region
- Oxfordshire
- Cover
- A year, on every job
- Quotes
- A clear price before any work starts
- Call
- 0345 464 0079
- Page updated
- 26 October 2026
Tackley homes and the weather
With historic houses such as Blenheim Palace (about 3.8 miles south-west) nearby, there’s older building stock in the area around Tackley as well as newer homes. Where a home is older, older frames set in brick or stone need a sealant that suits them, and sometimes that’s traditional sand mastic. Compared with the north and west, the South East gets less rain, but outside sealant still needs a dry, clean surface, so outdoor work is planned around the forecast.
Schools such as Tackley Church of England Primary School are buildings too, and larger buildings have plenty of frames, and the mastic around each one ages. Homes close to Church of St Nicholas include some older properties, and replacement windows fitted into old openings often leave uneven gaps that need backing and a flexible joint.
Tackley is about 6 miles west of Bicester, in Oxfordshire. Across the OX5 area, we cover sand mastic for homes and businesses. Tackley is one of 443 places in Oxfordshire we cover. For nearby work, see our Oxford page, about 10 miles away.
Here we cover the OX5 postcode area for sand mastic. We cover properties on Nethercote Road, St Nicholas Road and St Johns Road and the roads around them. Close by, we work in Bunkers Hill (2 miles south), Shipton-on-Cherwell (2 miles south), Wootton (3 miles west), Thrupp (3 miles south) and Woodstock (3 miles south-west). We also work in nearby towns such as Oxford (10 miles south), Banbury (13 miles north), Bicester (6 miles east), Abingdon-on-Thames (14 miles south), Witney (10 miles south-west) and Carterton (15 miles south-west).
Near you in Tackley
We work in homes and buildings around The Gardiner Arms. Tackley has its own railway station: Tackley station. Nearby you’ll also find Soldiers of Oxfordshire Museum (3.4 miles south-west). For a walk, there’s Woodsides Meadow.
DIY sealant or a professional job?
If you’re set on DIY, put the effort into preparation: take out all the old sealant, make sure the joint is clean and dry, and give it the full cure time. If it doesn’t work out, we can still put it right.
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.
Landlords, agents and businesses in Tackley
Whether it’s one flat or a portfolio, you get the same standard of work: old sealant fully removed, joints prepared properly and a 12-month guarantee.
A neglected joint can let water reach the structure, which matters even more when someone else lives there. Keeping joints in good order is simple maintenance.
Common problems we fix in Tackley
Age is the main cause. Even well-laid mastic needs renewing in time and how long it lasts depends on the weather it faces.
Keep an eye out for any of the following:
- Gaps between timber frames and stone or brick
- Modern sealant on a period surround
- Failed mastic on an exposed elevation
- Tired mastic found when preparing windows for paint
For landlords with property near Tackley station, cracked sand mastic around sash windows lets in the draughts tenants complain about.
Questions to ask before booking
- The length of the guarantee
- When the joint can take water or movement
- Whether they’re fully insured
- How the colour is chosen
Other services in Tackley
Tackley: your questions answered
Will you come out to Tackley?
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.
Can you do sand mastic in Tackley?
Yes. Our work covers London and the South East, and Tackley is part of that. You can call 0345 464 0079 or drop us an email and let us know what needs doing.
Can you work on commercial sites?
Yes. We have worked for hotels, offices and other businesses, and we’re fully insured.
When will the new mastic be hard?
It skins over fairly quickly but takes longer to harden fully. We’ll explain what to expect before we leave.
Do I have to be there?
It depends on the job. For work indoors, someone needs to let us in, and for outside work we will agree access with you when we book.
How long will you be here?
It depends on the size of the job, but most jobs take a few hours for a single window, longer for several. We will tell you when we quote.
Is it possible to take out silicone and use sand mastic instead?
Yes, we do this often. All the old silicone is removed first so the mastic can sit properly.
Is it worth trying it myself?
Sometimes. Preparation is everything: all the old sealant out, and a clean, dry joint. If it doesn’t work out, we can redo it.
What we do, step by step
The work is kept neat and contained to the joints we’re treating, so you can carry on as normal. The job normally takes anything from a few hours to a full day, depending on how many windows, and we explain the cure time before we leave. Somewhere like Tackley 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.
- We check the window surrounds and agree which joints need renewing.
- Old, loose mastic is raked out and the joint cleaned.
- Large voids are packed out first, so the mastic isn’t too thick.
- We mix the sand mastic and apply it by hand, shaping it to the joint.
- The finish is dressed so it sits neatly against the stone or brick.
Getting ready for the visit
- Try not to wet indoor joints just before the visit
- Let us know about stairs, lifts or work at height
- Move anything stored near the joints
Getting a quote
We quote each job on its own. Simply call 0345 464 0079 or send us an email and describe the job and send pictures if you have them.
Related advice
Surface by surface
Sash and case windows
A sash window’s box frame sits in the masonry opening. The gap round it is pointed with sand mastic.
Brick reveals
Sand mastic is also used where timber frames meet brick. It suits older brickwork.
When it isn’t the sealant
In fairness, some problems need a different trade:
- Sashes that need overhauling
- Planning or listed building consent (your local planning authority decides)
- Putty and glazing repairs
If in doubt, ring 0345 464 0079 or email us and we will say what we think before you book.
What we seal
- Sash and case windows
- Tenement windows
- Timber door frames
- Brick reveals
- Period & listed homes
- Stone surrounds