Oxfordshire · England
Sand mastic for sash & case windows in Great Rollright, Oxfordshire
Specialist sand mastic for Great Rollright: the right sealant, proper preparation and a neat finish. Call for a quick quote.
- Failed mastic on an exposed elevation
- Gaps between timber frames and stone or brick
- Crumbling sand mastic round a window
Sand mastic in Great Rollright
For a listed home or one in a conservation area, ask your local planning authority whether consent is needed for work to windows. Like-for-like sand mastic is often the preferred finish. If you have crumbling sand mastic round a window and patchy fillers round a sash window, we can put it right, on tenement windows, brick reveals and timber door frames alike.
Mastic can only go onto a dry, clean joint, so window work in Great Rollright is booked around the forecast. Tell us about access to every side of the house, including upper-floor windows.
Whatever the size of the job, you get the same 12-month guarantee in Great Rollright and across Oxfordshire.
- Location
- Great Rollright (OX7)
- Region
- Oxfordshire
- Guarantee
- One year on every job
- Quote
- Quoted before any work starts
- Phone
- 0345 464 0079
- Last updated
- 26 October 2026
For landlords and businesses
We regularly work with letting and managing agents. Tell us the address, the job and how access works and we will quote.
Landlords and letting agents in Great Rollright can book us as well as homeowners. Resealing between tenancies keeps a property looking cared for before the next move-in.
Common problems we fix in Great Rollright
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 these signs:
- Window mastic to renew ahead of painting
- Gaps where the frame meets the masonry
- Crumbling sand mastic round a window
- Mastic worn away on windows facing the weather
For site and facilities teams at buildings such as Great Rollright Church of England (Aided) Primary School, larger buildings have plenty of frames, and the mastic around each one ages.
What your quote should include
- How the colour is chosen
- How long the guarantee is
- Whether all the old sealant comes out first
- Who does the work, and how experienced they are
Looking after it afterwards
After the cure time, these simple habits help:
- Don’t run silicone over sand mastic
- Keep sills and gutters clear so water drains away
- Sort the mastic before the decorators arrive
- Avoid heavy scraping on the mastic joint
Keep paint scrapers and sanders off the mastic when redecorating. It can be damaged by heavy scraping.
Renewing mastic before redecorating saves doing it twice. Painting over failed mastic hides the problem for a while.
Sand mastic in Great Rollright: local notes
Rainfall in the South East is lower than in much 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 Chastleton House (about 4.9 miles west) nearby, there’s older building stock in the area around Great Rollright as well as newer homes. In older buildings, older timber frames in brick or stone need a different approach from a modern uPVC window.
Homes close to Church of St Andrew include some older properties, and the windows may be timber, sash or later replacements, and each needs the right sealant against the wall.
Great Rollright is about 10 miles south-west of Banbury, in Oxfordshire. From the centre of Great Rollright to the outskirts, sand mastic is available for homes and businesses alike. Across Oxfordshire, we cover 443 places, Great Rollright among them. You can also see our page for Oxford, about 20 miles away.
Jobs for sand mastic in OX7 is quoted and booked the same way as anywhere else. Streets in the area include High Street, Chapel End and The Green, and we cover them all. Other places close to Great Rollright include Over Norton (2 miles south), Chipping Norton (3 miles south), Salford (3 miles south-west), Sarsden (5 miles south-west) and Churchill (5 miles south-west). Further out, we also cover Banbury (10 miles north-east), Witney (13 miles south), Carterton (15 miles south), Kidlington (15 miles south-east), Neithrop (9 miles north-east) and Grimsbury (11 miles north-east).
Local landmarks in Great Rollright
Locally, jobs take us to homes and businesses close to The Unicorn Public House, among other places. Other landmarks nearby include Chipping Norton Museum of Local History (2.6 miles south) and Wheelbarrow Castle (3.5 miles west). Open spaces near Great Rollright include Woodford Bottom and Lamb's Pool.
Nearby places to Great Rollright
Also in Great Rollright
How the job changes by surface
Brick reveals
Gaps between frame and brick let in rain and draughts. New mastic seals the gap.
Timber door frames
Round a period front door, sand mastic gives the right look.
What we do, step by step
Once we are on site, we check the joints match what you told us. If we find something unexpected, we talk it through with you first. Most jobs then take anything from a few hours to a full day, depending on how many windows. Somewhere as small as Great Rollright, access is often the only tricky part. If the job is outside, mention outbuildings, exposed walls and how to reach them.
- We check the window surrounds and agree which joints need renewing.
- We rake out the old mastic and clean the joint.
- Large voids are packed out first, so the mastic is not 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.
Before we arrive
- Tell us about access, such as stairs, a lift or high-level joints
- Keep pets and children clear of the area while we work
- Tell us about any water getting in
Ask for a quote
A good description makes for an accurate quote. Let us know the location, the problem and roughly how many joints, and email photos if that is easy.
Read more
Your questions about sand mastic in Great Rollright
Is Great Rollright within the area you cover?
Yes. Great Rollright is within the area we cover, which takes in towns, villages and rural addresses. Our work covers London and the South East. Just mention lanes, gates or anything else about the route when you book.
Is sand mastic in Great Rollright guaranteed?
All our work, in Great Rollright and everywhere else, comes with a 12-month guarantee. We’re also fully insured and ARBOMaster approved.
Is it OK to seal over old sealant?
No. New silicone won’t bond to old silicone, and it traps any mould or water underneath. It all has to come out first.
Can you match the sealant colour?
Most of the time, yes. We will explain which colours are available.
Can tenants book the work?
We’re happy to deal with the tenant, landlord or agent. Get your landlord’s agreement first.
Should I check with the council before work on a listed or conservation-area home?
Check with your local planning authority. They decide whether consent is needed.
How long will you be here?
Typically it takes a few hours per window, depending on the condition of the joints. Bigger jobs take longer, and we’ll tell you how long to expect.
How long does sand mastic take to go off?
A skin forms quite soon, but full hardening takes longer. We will tell you what to expect for your job.
DIY versus a professional finish
Some sealant jobs are within reach of a careful DIYer, like a short, easy-to-reach joint indoors. Where it goes wrong is sealing over the old bead, working on a wet joint or overloading the gap.
Too much sealant is as bad as too little. A heavy bead looks messy and copes badly with movement, and the joint depth matters as much as the finish.
What affects the cost of sand mastic
We quote each job individually. This is what makes a difference:
- Access and height
- Any working-time requirements on site
- The product the joint needs
- The number of rooms or windows
Every job is a little different, so we quote each one individually. Size, access and the product the joint needs all play a part, and we will explain the quote if you ask.
Asking for a quote
What to tell us when you ask for a quote:
- How many joints, rooms or windows are involved
- Whether it’s a home or a business
- Where the property is
- Photos by email, if that is easy
There’s no standard price list. Instead, we send you a clear quote for your job. To arrange one, ring 0345 464 0079 or drop us an email.