Oxfordshire · England
External Mastic in Towersey
We cover Towersey for sealing brickwork movement joints, render, cladding and façade joints. Old material cut out, joints cleaned and sealed neatly.
- Damp patches traced to an open external joint
- Plants rooting in failed movement joints
- Cracked joints where brick meets render or frames
Honest limits
It helps to know what we can’t do too:
- Subsidence or other structural problems
- Walls that need new movement joints cut into them
- Cracks in the bricks or render themselves, away from the joints
Not sure which it is? You can ring 0345 464 0079 or drop us an email and we’ll tell you honestly.
What we seal
- Concrete & block
- Render & cladding joints
- Brickwork movement joints
- Copings & trims
- Façade panels
- Joints between brick and frames
About our external mastic in Towersey
On houses, flats and commercial buildings across Towersey, we reseal joints in brickwork, render, cladding and façade panels. The preparation is the same whatever the wall: clean, sound faces and a controlled depth. If you have panel joints letting water in and movement joints with cracked, split or missing sealant, we can help.
Older homes in small places like Towersey may be stone, brick or timber-framed, often with later extensions. Where one material meets another is where water usually gets in, and they need the right sealant at the right depth.
Big or small, you get the same 12-month guarantee.
- Place
- Towersey (OX9)
- Region
- Oxfordshire
- Cover
- One year on every job
- Quotes
- Quoted before any work starts
- Telephone
- 0345 464 0079
- Updated
- 26 October 2026
Leave it or put it right?
A low-modulus sealant is chosen because it moves without pulling hard at the edges. That matters on brick, render and concrete, which can be weaker at the face. A stiffer product can damage the joint edge as it fails. Where a wall is exposed, as many are in small places like Towersey, wind-driven rain gets into any failed joint, and damp in older walls is slow to dry out.
Commercial jobs are quoted on the same basis as homes: the amount of work, the access and the products needed. Ask us for a quote and we’ll go through it with you.
Why book with us
- ARBOMaster approved applicator
- Over 20 years’ experience
- Colour picked to suit the job
- Quality sealants from Arbo and Everbuild
Take a look at what affects the cost and customer reviews.
What happens on the day
On the day, we start by going over the job with you. We protect the surfaces around the joints before any work begins. The work usually takes a few hours to a few days, depending on the length of joint and the access. Somewhere as small as Towersey, access is often the only tricky part. If the job is outside, mention outbuildings, exposed walls and how to reach them.
- We look at every joint and agree a colour to suit the wall.
- Failed sealant is removed back to clean, sound faces.
- Backing rod goes in so the sealant can stretch between the two faces.
- We prime the faces where required.
- A low-modulus exterior sealant is gunned in and tooled to a neat finish.
Before we arrive
- Plan for the work area to be out of bounds to pets and children
- Where the joints are inside, avoid wetting them before we arrive
- Tell us about any previous sealing or DIY attempts
Get a quote
Getting a quote is simple: let us know the job and the location, and roughly how big it is. Photos by email help us understand the job, and we’ll take it from there.
Related advice
External mastic in Towersey: local notes
London and the South East are among the drier parts 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 Adwell House (about 4.2 miles south-west) nearby, there’s older building stock in the area around Towersey as well as newer homes. Where a home is older, older walls and rooflines need a sealant that moves with them and suits the material.
If you let a flat or house near Haddenham & Thame Parkway station, outside joints that have cracked can let damp into a rental, so check them between lets. For an older house near a landmark such as Church of St Catherine, an extension built onto an older house moves differently, and the joint between them takes the strain. Managing a site like Lord Williams's School? Then larger buildings have long runs of movement joint that eventually need resealing.
Towersey is about 1 mile east of Thame, in Oxfordshire. Towersey gets the same service as everywhere we cover: the old material taken out, joints prepared properly and a 12-month guarantee. Towersey is one of 443 places in Oxfordshire we cover for external mastic. We also work in Oxford, around 13 miles away.
Every address in OX9 is within our area for external mastic. If you need external mastic at a property on Lower Green, Thame Road and Windmill Close or anywhere close by, we can help. If you are just outside Towersey, we cover Kingsey (1 mile north-east), Thame (1 mile west), Emmington (2 miles south), Haddenham (2 miles north) and Sydenham (2 miles south). Within a short drive, we also cover Oxford (13 miles west), Bicester (14 miles north-west), Abingdon-on-Thames (15 miles west), Henley-on-Thames (15 miles south), Benson (11 miles south-west) and Chinnor (3 miles south).
Around Towersey
Towersey’s nearest station is Haddenham & Thame Parkway station, about 2 miles north. Nearby you’ll also find Dinton Castle (4.3 miles north-east) and Thame Community Hospital (1.4 miles west). Not far away are Snakemoor.
What affects the cost of external mastic
We quote each job individually. This is what makes a difference:
- Working hours on commercial sites
- Mould in or behind the old joints
- How much old sealant there is and how hard it is to remove
- Which sealant suits the joint
Leaving a failed joint generally makes the job bigger, not smaller. If you are not sure whether it needs doing, call 0345 464 0079 or send us an email for an honest opinion and a quote.
Helping us quote
When you call or email, it’s useful to know:
- The address or postcode of the job
- Any previous sealing or DIY work
- Photos by email, if that is easy
- What’s wrong with the joints now
Need a quote? Please ring 0345 464 0079 or email us and tell us about the job. We will explain what we’d do and give you a clear price before work begins.
Towersey: your questions answered
Do you work for landlords with property near Haddenham & Thame Parkway station?
Yes, landlords and agents are among the people we work for. Just phone 0345 464 0079 or drop us an email with the address and what needs doing, and we will send you a clear quote.
Is Towersey in your area for external mastic?
Yes, Towersey is within the area we cover. We work across London and the South East. Just ring 0345 464 0079 or email us with a few details of the job.
What is backing rod for?
That is backing rod, a closed-cell foam. It stops the sealant going in too deep and bonding to three sides, which would stop it stretching.
What is a movement joint?
A movement joint is a planned break in the wall that absorbs expansion and shrinkage. It’s sealed with a flexible sealant, not mortar.
Can you seal joints between render and window frames?
Yes. The old joint is removed, both surfaces cleaned and primed where needed, and a flexible sealant applied. The colour is chosen to suit.
Can you work on commercial sites?
Yes. Hotels, offices and other businesses use us, and we are fully insured.
Where is Mr Mastic based?
We work from Crawley. Our applicators cover Towersey, along with the rest of our area.
Can you reach joints on upper floors?
That depends on how high the joints are and the ground below. Low-level joints are straightforward; for higher ones, send details and we will confirm the access.
DIY versus a professional finish
A DIY attempt doesn’t rule out a professional job. We cut it out and start again, so tell us about it when you ask for a quote.
Not every job suits DIY: high-level joints, fire-rated gaps, external movement joints and big jobs call for the right materials, safe access and experience.
Different surfaces, different methods
Joints between dissimilar materials
Different materials may need different primers. We prepare both faces so the sealant bonds properly.
Brickwork movement joints
People sometimes point up a brick movement joint by mistake. If that is happened, we rake it out and reseal it properly where it can be done safely.
For landlords and businesses
Businesses can book us for washrooms, kitchens, offices and more. For commercial premises, we can talk through working times when we quote.
Housing providers, facilities teams and property managers book us too. We can quote a run of properties together.