Oxfordshire · England
External & façade joints in West Hanney, Oxfordshire
Our applicators work in West Hanney on sealing brickwork movement joints, render, cladding and façade joints. Old sealant removed completely, joints prepared properly and every job guaranteed for a year.
- Sealant that has lost its bond to the brick or render
- Failed sealant between panels on a façade
- Joints pointed up with cement by mistake
External mastic for homes and businesses in West Hanney
On houses, flats and commercial buildings across West Hanney, we reseal joints in brickwork, render, cladding and façade panels. Every joint gets the same careful preparation: clean, sound faces and a controlled depth. We’re often asked to deal with failed seals between different materials and panel joints letting water in, across render & cladding joints, façade panels and copings & trims.
In a village or hamlet like West Hanney, older cottages and farm buildings often stand in the open, so walls and rooflines take the full force of wind and rain. Gutter joints and wall joints there need a sealant that can flex and stay put.
Our work is backed for twelve months, in West Hanney and everywhere else we cover.
- Where
- West Hanney (OX12)
- Region
- Oxfordshire
- Guarantee
- 12 months on all our work
- Quotes
- Quoted before any work starts
- Call
- 0345 464 0079
- Page updated
- 26 October 2026

The process
There isn’t much for you to do on the day. Point us to the joints and we’ll get on with it. The job generally takes a few hours to a few days, depending on the length of joint and the access, including the tidy-up. Somewhere as small as West Hanney, access is often the only tricky part. If the job is outside, mention outbuildings, exposed walls and how to reach them.
- Each joint is checked and the colour of the new sealant agreed.
- Failed sealant is removed back to clean, sound faces.
- Backing rod goes in so the sealant can stretch between the two faces.
- Primer is applied wherever the sealant needs it.
- A low-modulus exterior sealant is gunned in and tooled to a neat finish.
Getting ready for the visit
- Tell us if parking is tricky
- Mention if the joints have been sealed before
- On commercial sites, let us know about site rules
Ask for a quote
For a quick quote, get us on the phone, or send an email if you’d rather. Describe what needs sealing and we will talk you through the work.
Related advice
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West Hanney questions
Do you cover smaller places like West Hanney?
Yes. West Hanney is within the area we cover, which takes in towns, villages and rural addresses. We work across London and the South East. Just mention lanes, gates or anything else about the route when you book.
Is external mastic in West Hanney guaranteed?
Every job comes with our 12-month guarantee, wherever it is. We are fully insured, and an ARBOMaster approved applicator.
Is there any odour?
Sometimes, a little. It fades as the sealant cures.
Will the new joint stand out?
There’s a good range of exterior colours, including greys, browns, whites and stone tones. We choose the closest to your brick or render so it doesn’t stand out.
Do you take out the old sealant first?
Yes. We cut out all the old sealant and clean the joint before applying anything new.
How much does external mastic cost in West Hanney?
Every job is different, so each one gets its own quote. To get one, phone 0345 464 0079 or send us an email and let us know what needs doing and where.
Do you work for landlords and businesses?
Yes, often. We can quote for several properties at once, and between tenancies is a good time for the work.
Where are you based?
We are based in Crawley, West Sussex, and we cover South East England, London and all of Scotland.
Surface by surface
Cladding and façade panels
Metal and composite panels move a lot with temperature, so the joints work hard every day. We choose the product to suit.
Concrete and blockwork
The face of concrete or block is often dusty, so preparation is key. We prime where the sealant needs it before sealing.
What affects the cost of external mastic
You’ll get a clear quote before we start. It’s based on:
- How many areas need sealing
- When we can work, for business premises
- The size of the job
- How much old sealant there is and how hard it is to remove
We don’t show prices on the website, because each job is priced on what it involves. For a quick quote, please phone 0345 464 0079 or drop us an email.
What to tell us for a quote
To help us quote quickly, let us know:
- Where the property is
- Whether it’s a home or a business
- How we’d reach the joints
- Any previous sealing or DIY work
If you are in West Hanney and need external mastic, phone 0345 464 0079 or send us an email. Tell us what the problem is and where, and we will agree the price before any work begins.
Do you need external mastic in West Hanney?
Many joints fail because they were sealed too deep or with nothing behind them. Sealant bonded to three sides has nowhere to go and rips as the joint opens.
If you can see any of these, it’s time to have the joints looked at:
- Hard, crazed mastic that has stopped moving
- Moss and dirt in joints with no sealant left
- Rigid filler in a joint that should flex
- Sealant that has lost its bond to the brick or render
Schools such as St James Church of England Primary School are buildings too, and its movement joints, gutters and trims need looking after like any other building’s.
Before you book anyone
- How the colour is chosen
- Whether they’re fully insured
- The length of the guarantee
- How much experience the applicator has
Leave it or put it right?
Low-modulus sealants stretch easily, so they put less strain on the joint edges. That protects surfaces like brick, render and concrete. A stiffer product can damage the joint edge as it fails. In a small place like West Hanney, homes can be exposed to wind and rain, which finds any gap, and damp in older walls is slow to dry out.
Doing several joints on one visit is generally more efficient than separate visits, so it’s worth mentioning everything you’d like done. We will give you a clear price for the lot.
Why choose Mr Mastic in West Hanney
- A sealant colour to suit the surroundings
- Homes, businesses and hotels
- 12-month guarantee on every job
- We’re fully insured
Read what affects the cost or customer reviews.
DIY versus a professional finish
The biggest DIY mistake is sealing over old sealant. New silicone will not bond to old, so it lifts and traps water and mould underneath. All the old material has to come out first.
What a professional job adds is preparation and the right product. We take joints back to clean, dry surfaces, and the sealant is chosen for how the joint moves and where it is, then guaranteed for a year.
Landlords, agents and businesses in West Hanney
A neglected joint can let water reach the structure, which is a bigger problem in a rented property. Keeping joints in good order is simple maintenance that we can handle for you.
We also work for property managers and facilities teams in West Hanney and across Oxfordshire. Several sites can be quoted together.
Outside joints around West Hanney
Historic houses like Longworth House (about 4.2 miles north) are a reminder that the area around West Hanney has older buildings as well as new. Where a home is older, older brick and stone need a sealant that suits them, at the right joint depth. 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.
For an older house near a landmark such as Church of St James, older walls, gutters and the joints where extensions meet them need a flexible sealant.
West Hanney is about 3 miles north of Wantage, in Oxfordshire. For external mastic in and around West Hanney, please call 0345 464 0079 or drop us an email for a quick quote. We cover Oxfordshire from our Crawley base. 443 places in Oxfordshire are on our list, from the larger towns to small villages. Oxford is on our list too, about 11 miles from West Hanney.
Postcode districts we cover here for external mastic: OX12. Streets in the area include Main Street, The Croft and School Road, all of which we cover. Other places close to West Hanney include Lyford (1 mile north-west), Denchworth (2 miles south-west), Grove (2 miles south), Charney Bassett (2 miles north-west) and Kingston Bagpuize (3 miles north). Further out, we also cover Oxford (11 miles north-east), Didcot (7 miles east), Abingdon-on-Thames (6 miles north-east), Witney (11 miles north), Carterton (12 miles north-west) and Wantage (3 miles south).
Landmarks near West Hanney
Typical jobs here are in homes near The Black Horse pub and the streets around them. Well-known places in the area include Abingdon Community Hospital (5.4 miles north-east) and Hinton Waldrist Castle (4.3 miles north-west). Open spaces near West Hanney include Chain Hill and Letcombe Valley.
