Oxfordshire · England
External Mastic in Tetsworth
Sealing brickwork movement joints, render, cladding and façade joints for homes and businesses in Tetsworth and across Oxfordshire. ARBOMaster approved applicators, fully insured, with a one-year guarantee.
- Failed seals between different materials
- Joints pointed up with cement by mistake
- Movement joints with cracked, split or missing sealant
FAQs for Tetsworth
Is Tetsworth within the area you cover?
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.
I let a flat near Haddenham & Thame Parkway station. Can you help?
Yes, we work for landlords and letting agents. You can ring 0345 464 0079 or send us an email with the address and a few details, and we’ll give you a fixed price before any work starts.
Is there a guarantee?
Yes: twelve months. If there’s a problem with our work in that time, tell us and we will put it right.
Is it worth trying it myself?
That depends on the joint. Work at height, movement joints, fire-rated gaps and large areas are best left to a professional.
How long before the joint can be used?
Many sealants skin over quickly but take longer to cure fully. We will give you the cure time for the product we used before we leave.
How long does external mastic last?
There’s no fixed answer: sunny, exposed elevations and busy joints wear faster. Check them each year and reseal when they split or harden. Every job carries our one-year guarantee.
Can you seal joints between two different materials?
Yes. We cut out the old sealant, prepare both faces and reseal with a flexible exterior product. The colour is chosen to suit.
Do you do commercial work?
Yes. We can plan bigger jobs in stages to suit the site.
External mastic for homes and businesses in Tetsworth
Failed sealant is cut out, the depth set with closed-cell backing rod, and the joint resealed with a low-modulus sealant made for outside. The colour is chosen to suit the brick or render so the line blends in. If you are dealing with leaking joints around cladding and façade panels and sealant pulling away from one side of the joint, we can put it right, whatever the surface.
In a village or hamlet like Tetsworth, older cottages and farm buildings often stand in the open, where walls and rooflines take the weather head on. Gutter joints and wall joints there need a sealant that can flex and stay put.
You’re covered for a year from the day we finish. If anything is not right with it, phone 0345 464 0079 or send us an email.
- Where
- Tetsworth (OX9)
- Region
- Oxfordshire
- Guarantee
- A year, on every job
- Quotes
- A clear quote up front
- Phone
- 0345 464 0079
- Last updated
- 26 October 2026
Looking after it afterwards
Looking after new joints is easy:
- Ask before painting over external sealant
- Tell anyone working on the walls about the movement joints
- Deal with leaking gutters that soak the joints below
- Check external joints each spring
Do not let soil, plants or ivy build up against the new joints. Anything that holds water against the joint wears it out sooner.
An open movement joint lets rain into the wall every time it pours. That can lead to damp patches, staining and frost damage, all bigger jobs than a reseal.
Towns and villages near Tetsworth
Other services in Tetsworth
How the visit works
We bring everything the job needs with us, so there’s nothing for you to buy. After a quick look at the joints together, we protect the area and start. Most jobs take a few hours to a few days, depending on the length of joint and the access. Somewhere like Tetsworth needs a little journey planning: let us know about lanes, gates and parking. Everything for the job comes with us, so a second trip is avoided where possible.
- We start by checking each joint, agreeing the ones to redo and how we’ll reach them.
- Old sealant and any debris are cut and raked out.
- We clean both faces of the joint and prime them where the product calls for it.
- Closed-cell backing rod is fitted to set the depth and stop three-sided bonding.
- We gun in a flexible exterior sealant in a colour that suits the wall and tool it neatly.
Getting ready for the visit
- On commercial sites, let us know about site rules
- Let us know about parking restrictions
- Let us know about earlier repairs to the joints
How to get a quote
For external mastic in Tetsworth, phone 0345 464 0079 or email us. A short description of the job and where it is helps us quote, and we’ll agree the price before any work begins.
Read more
Can I do it myself?
Not every job suits DIY: work at height, external movement joints, fire-rated sealant and large areas need the right product, the right access and the right method.
If you’ve already had a go yourself, that is fine. We cut it out and start again, so tell us about it when you ask for a quote.
Honest limits
A few problems are outside what sealant work can do:
- Loose or hollow render, which needs re-rendering
- Damp that isn’t coming from the joint
- Cutting new joints into brickwork, which is building work rather than sealant work
Not sure which it is? You can ring 0345 464 0079 or drop us an email and we will tell you honestly before booking.
Where we work in Tetsworth
- Façade panels
- Joints between brick and frames
- Brickwork movement joints
- Copings & trims
- Render & cladding joints
- Concrete & block
Outside joints around Tetsworth
With historic houses such as Adwell House (about 1.4 miles south) nearby, there’s older building stock in the area around Tetsworth as well as newer homes. In older buildings, 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, but outside sealant still needs a dry, clean surface, so outdoor work is planned around the forecast.
Letting a property close to Haddenham & Thame Parkway station? Then outside joints that have cracked can let damp into a rental, so check them between lets. If you look after a building such as Tetsworth Primary School, its movement joints, gutters and trims need looking after like any other building’s. In the older streets around Church of St Giles, an extension built onto an older house moves differently, and the joint between them takes the strain.
Tetsworth is about 3 miles south-west of Thame, in Oxfordshire. Whether you are in the middle of Tetsworth or further out, we cover external mastic for every kind of property. Tetsworth is one of 443 towns and villages in Oxfordshire we cover. Our Oxford page covers work nearby (10 miles or so).
Jobs for external mastic in OX9 is quoted and booked the same way as anywhere else. External mastic is available to properties on High Street, Swan Gardens and Back Street. We also cover the places around Tetsworth: North Weston (2 miles north), Milton Common (3 miles north-west), Albury (3 miles north-west), Great Haseley (3 miles west) and Tiddington (3 miles north-west). We also work in nearby towns such as Oxford (10 miles west), Didcot (12 miles south-west), Bicester (15 miles north-west), Abingdon-on-Thames (12 miles west), Thame (3 miles north-east) and Henley-on-Thames (13 miles south).
What’s near Tetsworth
In Tetsworth, that means homes and buildings near The Swan pub, among other places. The nearest railway station is Haddenham & Thame Parkway station, roughly 5 miles north-east. Nearby you will also find Thame Museum (2.9 miles north) and Thame Community Hospital (2.8 miles north-east). Open spaces near Tetsworth include Wells Farm and Bald Hill.
Why deal with it now?
Done well, a resealed joint is a neat, straight line that suits the wall. A rushed bead with no backing looks untidy and doesn’t last. Where a wall is exposed, as many are in small places like Tetsworth, wind-driven rain gets into any failed joint, and older walls, once damp, take a long time to dry.
What it costs depends on how much there is to do, how hard the old material is to remove and how easy the joints are to reach. We give a clear quote before work begins.
Why us?
- We’re fully insured
- An ARBOMaster approved applicator
- We agree the colour with you first
- Sanitary silicone with an anti-fungal additive in wet areas
Take a look at how sealant jobs are priced or customer reviews.
Landlord and commercial work in Tetsworth
A neglected joint can let water reach the structure, which is a bigger problem in a rented property. Resealing at the right time is simple maintenance.
If you manage several properties in or around Tetsworth, jobs at different addresses can be quoted together. Send us the addresses and the work at each, and photos by email help.
Different surfaces, different methods
Joints between dissimilar materials
Different materials may need different primers. We prepare both faces so the sealant bonds properly.
Cladding and façade panels
Panels heat up and cool down quickly, so the joint sealant has to cope with frequent movement. We choose the product to suit.