Oxfordshire · England
External & façade joints in Britwell Salome, Oxfordshire
Sealing brickwork movement joints, render, cladding and façade joints for homeowners, landlords and businesses in Britwell Salome. Fully insured, ARBOMaster approved and guaranteed for a year.
- Sealant pulling away from one side of the joint
- Gaps where render, brick and frames meet
- Old sealant gone brittle and cracked
How we handle external mastic in Britwell Salome
A movement joint is only as good as its depth. Closed-cell backing rod sets the depth and stops the sealant sticking to the back, leaving it bonded to two faces so it can move with the wall. If you are dealing with plants rooting in failed movement joints and rigid filler in a joint that should flex, we can put it right, on concrete & block, façade panels and render & cladding joints alike.
In a village or hamlet like Britwell Salome, 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.
All our work is covered by a 12-month guarantee.
- Place
- Britwell Salome (OX49)
- Region
- Oxfordshire
- Guarantee
- A year, on every job
- Quotes
- A clear price before we start
- Phone
- 0345 464 0079
- Page updated
- 26 October 2026

Britwell Salome: your questions answered
Do you cover Britwell Salome for external mastic?
Yes, Britwell Salome is within the area we cover. Our work covers London and the South East. You can call 0345 464 0079 or send us an email and tell us what needs doing, and we will send you a clear quote.
Is external mastic in Britwell Salome guaranteed?
All our work, in Britwell Salome and everywhere else, comes with a 12-month guarantee. We are also fully insured and ARBOMaster approved.
Is there any odour?
That depends on the sealant. Some products have a noticeable smell, others very little, and any smell fades as they cure.
Where are you based?
We’re a Crawley-based firm, with over 20 years’ experience. We work across South East England, London and Scotland.
Will the old sealant be removed?
Yes. Sealing over old sealant is the main reason resealing fails early, so we never do it.
How long does the job take?
That depends on the amount of work, but as a guide it takes a few hours to a few days, depending on the length of joint and the access. We will give you a better idea when we quote.
Is it worth trying it myself?
You can, for simple jobs. Preparation is everything: all the old sealant out, and a clean, dry joint. If it doesn’t work out, we can redo it.
What does external mastic cost?
Every job is different, so each one gets its own quote. For a quick quote, ring 0345 464 0079 or email us with a short description of the job.
DIY versus a professional finish
Some sealant jobs are within reach of a careful DIYer, like a short, easy-to-reach joint indoors. The common mistakes are sealing over old sealant, sealing a damp joint and using far too much.
Some jobs are best left to a professional: work at height, external movement joints, fire-rated sealant and large areas call for the right materials, safe access and experience.
Surface by surface
Brickwork movement joints
Vertical joints in long brick walls let the brickwork expand without cracking. We reseal them with a low-modulus sealant over backing rod.
Joints between dissimilar materials
Each side of the joint may need its own preparation. Both surfaces are cleaned and primed as the product requires.
How it works
The work is kept neat and contained to the joints we are treating. The job generally takes anything from a few hours to several days, depending on the building. In a small place like Britwell Salome, access is generally the main thing to plan. If the job is outside, mention outbuildings, exposed walls and how to reach them.
- First, the joints are inspected and the access agreed.
- Every bit of old sealant and any mortar or debris is cut out.
- Joint faces are cleaned back and primed if the sealant needs it.
- We fit closed-cell backing rod to control the depth.
- We apply the sealant, tool it and check the whole run.
How to prepare
- Keep pets and children clear of the area while we work
- Tell us about any water getting in
- Let us know about parking restrictions
How to get a quote
Asking for a quote is easy: let us know the job and the location, and roughly how big it is. A few pictures by email make the job easier to understand, and we’ll take it from there.
Advice
What sealant work can’t fix
A few problems are outside what sealant work can do:
- Cutting new joints into brickwork, which is building work rather than sealant work
- Cracks in the bricks or render themselves, away from the joints
- Render that is blown, hollow or coming away
Not sure which it is? You can ring 0345 464 0079 or send us an email and we will tell you honestly before you book.
What we seal
- Copings & trims
- Concrete & block
- Brickwork movement joints
- Joints between brick and frames
- Render & cladding joints
- Façade panels
How we quote for external mastic
The quote reflects the job in front of us. We take into account:
- The product the joint needs
- How much old sealant there is and how hard it is to remove
- How easy the joints are to reach
- Working hours on commercial sites
A failed joint rarely gets cheaper to fix by waiting, because water and mould keep working on it. If you’re unsure, ring 0345 464 0079 or drop us an email and we will give you an honest view and a quote.
Helping us quote
When you contact us, it’s useful to know:
- The rough size of the job
- Access, such as stairs, a lift or height
- Any previous sealing or DIY work
- Where the job is, and your postcode
We quote each job on its own, so start by telling us what you need. Just call 0345 464 0079 or send us an email with the details and send pictures if you have them.
Why deal with it now?
An open joint keeps letting water into the wall with every downpour. Wet masonry is more easily damaged by frost, so the damage spreads beyond the joint. Around Britwell Salome, older homes often have timber in their floors and frames, and water through a failed joint can rot timber if it’s left.
Some things make a job bigger or smaller: how much old sealant there is and how stubborn it is, whether mould needs treating, and whether we need extra access for height. Your quote takes all of that into account.
Why book with us
- Domestic, commercial and hotel work
- Over 20 years’ experience
- We leave the area clean and tidy
- We never seal over old sealant
Also near Britwell Salome
Other services in Britwell Salome
Landlord and commercial work in Britwell Salome
If you manage several properties in or around Britwell Salome, several properties can be quoted together. Send us the addresses and the work at each, and pictures by email help.
In hotels, rooms out of use cost money, so we plan the work room by room around your bookings where we can. Hotel work is part of what we do, alongside homes and businesses.
External mastic in Britwell Salome: local notes
Historic houses like Adwell House (about 4.3 miles north-east) are a reminder that the area around Britwell Salome 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. 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.
Schools such as Icknield Community College are buildings too, and larger buildings have long runs of movement joint that eventually need resealing. For an older house near a landmark such as Church of St Nicholas, older walls, gutters and the joints where extensions meet them need a flexible sealant.
Britwell Salome is about 8 miles south of Thame, in Oxfordshire. Our applicators cover external mastic for householders, landlords and businesses in Britwell Salome and the surrounding area, as part of our work across Oxfordshire. Britwell Salome is one of 443 places in Oxfordshire we cover for external mastic. You can also see our page for Oxford, roughly 12 miles from Britwell Salome.
Here we cover the OX49 postcode area for external mastic. External mastic is available to properties on Turners Green and Turner's Green Lane and the roads around them. Being close to the B4009, Britwell Salome is easy for our applicators to reach for external mastic. We also cover Watlington (1 mile north-east), Brightwell Baldwin (1 mile north-west), Ewelme (2 miles south-west), Pyrton (2 miles north-east) and Roke (3 miles west). We also work in nearby towns such as Oxford (12 miles north-west), Didcot (9 miles west), Abingdon-on-Thames (11 miles west), Thame (8 miles north), Henley-on-Thames (9 miles south-east) and Benson (3 miles west).
What’s near Britwell Salome
We work in homes and buildings around The Red Lion Inn Public House and the streets around them. Nearby you’ll also find Wallingford Castle (4.4 miles south-west). Green spaces nearby include Ewelme Watercress Beds and Bald Hill.
