Buckinghamshire · England
Shabbington External Mastic
External mastic for Shabbington, by sealant specialists with 20+ years’ experience. 180+ five-star Google reviews and a 4.9 rating.
- Cracked joints where brick meets render or frames
- Leaking joints around cladding and façade panels
- Joints pointed up with cement by mistake
External mastic in Shabbington
Low-level joints can normally be done from the ground. Where joints are higher up, tell us about the building when you get in touch and we will confirm what access is needed. If you have sealant that has lost its bond to the brick or render and old sealant gone brittle and cracked, we can put it right.
Around Shabbington, older buildings can be stone, brick or timber-framed, many with extensions added later. The joints where those materials meet are the weak points, and they need the right sealant at the right depth.
We stand behind the work with a one-year guarantee.

- Where
- Shabbington (HP18)
- Region
- Buckinghamshire
- Guarantee
- A year, on every job
- Price
- Quoted before any work starts
- Call
- 0345 464 0079
- Page updated
- 26 October 2026
Looking after it afterwards
How long the joints last depends on use and care. Here’s what we suggest:
- Ask before painting over external sealant
- Avoid pressure-washing directly into sealant joints
- Make sure movement joints aren’t pointed over
- Deal with leaking gutters that soak the joints below
Only paint over the joint if we have confirmed the sealant can take paint. Many exterior sealants are not designed to be painted.
A joint that has stopped moving pushes the movement elsewhere, often as cracks near the joint. Resealing it early helps prevent that.
Outside joints around Shabbington
Historic houses like Adwell House (about 4.9 miles south) are a reminder that the area around Shabbington has older buildings as well as new. In older buildings, older walls and rooflines need a sealant that moves with them and suits the material. 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.
If you live in an older home near Parish Church of St Mary Magdalene, an extension built onto an older house moves differently, and the joint between them takes the strain. Schools such as Ickford School are buildings too, and larger buildings have long runs of movement joint that eventually need resealing.
Shabbington is about 3 miles west of Thame, in Buckinghamshire. Wherever you are in the HP18 postcode area, we can carry out external mastic at your property. Shabbington is one of 263 places in Buckinghamshire where we work. There’s also a page for Oxford, about 8 miles away.
Work in HP18 is quoted and booked the same way as anywhere else. You’ll find streets such as Limes Way, Old Bryers Close and Ickford Road. If you’re just outside Shabbington, we cover Little Ickford (1 mile west), Ickford (1 mile west), North Weston (1 mile south-east), Draycott (1 mile south-west) and Albury (1 mile south-west). Further out, we also cover Aylesbury (10 miles north-east), High Wycombe (15 miles south-east), Elmhurst (11 miles north-east), Southcourt (10 miles east), Princes Risborough (9 miles east) and Haydon Hill (9 miles north-east).
Landmarks near Shabbington
Typical jobs here are in homes near The Old Fisherman Inn and Lord Williams's School and the streets around them. The closest station to Shabbington is Haddenham & Thame Parkway station, about 4.1 miles east of the centre. Well-known places in the area include Thame Community Hospital (3 miles east) and Waterperry Gardens Rural Museum (2.3 miles west). Open spaces near Shabbington include Snakemoor.
What we do, step by step
When we get to you, we check the joints match what you told us. If anything is different, we explain it before carrying on. After that, the work takes a few hours to a few days, depending on the length of joint and the access. Somewhere as small as Shabbington, access is often the only tricky part. If the job is outside, mention outbuildings, exposed walls and how to reach them.
- First we look over the joints with you, agree which to renew and talk through access.
- The old mastic and anything lodged in the joint is removed.
- Both sides are cleaned back to sound material and primed if needed.
- Closed-cell backing rod is fitted to set the depth and stop three-sided bonding.
- The new sealant, chosen to suit the brick or render, is applied and tooled to a neat finish.
Before we arrive
- Tell us about any water getting in
- For business premises, tell us about site rules or sign-in
- Let us know about earlier repairs to the joints
How to get a quote
We quote each job on its own, so start by telling us what you need. Just call 0345 464 0079 or drop us an email with the details and send pictures if you have them.
Read more
Do you need external mastic in Shabbington?
Every building moves. Clay bricks expand slightly over their life, concrete and block shrink, and everything moves with temperature and wet. The sealant in the movement joints takes that strain.
Keep an eye out for these signs:
- Movement joints filled with mortar instead of sealant
- Plants rooting in failed movement joints
- Failed seals between different materials
- Water getting into walls through failed joints
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.
What your quote should include
- Who turns up on the day
- What preparation is included
- Whether they’re fully insured
- Whether you can choose the colour
DIY sealant or a professional job?
What a professional job adds is preparation and the right product. Joints are cleaned back to sound surfaces and dried, and the sealant is matched to the joint and its conditions, and the work is guaranteed for a year.
If you are set on DIY, put the effort into preparation: take out all the old sealant, make sure the joint is clean and dry, and give it the full cure time. If it fails, we can still redo it.
Leave it or put it right?
Water gets in through a failed movement joint, behind render and cladding. Resealing early keeps the job to the joint itself, rather than the wall around it. In a small place like Shabbington, homes can be exposed to wind and rain, which finds any gap, and damp in older walls is slow to dry out.
Homes and businesses are quoted the same way: the amount of work, the access and the products needed, plus any working-time requirements on site. Ask us for a quote and we will explain what it covers.
Why Shabbington customers choose us
- A choice of colours where the product allows
- Tidy, careful work
- Anti-fungal sanitary silicone in wet areas
- 20+ years of sealant experience
Read what affects the cost and our reviews.
Your questions about external mastic in Shabbington
I let a flat near Haddenham & Thame Parkway station. Can you help?
Yes, we work for landlords and agents. You can call 0345 464 0079 or send us an email with the address and a few details, and we will give you a fixed price before work begins.
Will you come out to Shabbington?
Yes, smaller places are covered as well as towns. We work across London and the South East. Let us know about access, parking and anything unusual about getting there when you book.
Are you an approved applicator?
Yes. We’re approved under the ARBOMaster scheme.
Do you seal joints where cladding meets other materials?
Yes. Different materials move at different rates, so the joint between them must be flexible. The sealant is matched to both sides.
Will there be a smell?
It depends on the product. Some products have a noticeable smell, others very little.
Are you fully insured?
Yes. Full insurance covers our work, and we can confirm the details when we quote.
What information do you need?
The location, the problem and the rough size of the job. If you can, email a few photos.
Do you take out the old sealant first?
Yes. We cut out all the old sealant and clean the joint before applying anything new.
Nearby places to Shabbington
Other services in Shabbington
Landlords, agents and businesses in Shabbington
From a single let to a portfolio, the work is the same standard: old sealant fully removed, joints prepared properly and a one-year guarantee.
Letting agents and landlords in Shabbington can book us as well as householders. Resealing between tenancies keeps a property looking cared for before the next move-in.
Honest limits
We will not take on work that won’t last, so here’s what sealant cannot put right:
- Adding movement joints to masonry that has none
- Structural movement, which needs a surveyor or engineer
- Failed render or damaged cladding panels
Not sure which it is? You can call 0345 464 0079 or drop us an email and we will tell you honestly before booking.
Surfaces we seal
- Render & cladding joints
- Façade panels
- Joints between brick and frames
- Copings & trims
- Brickwork movement joints
- Concrete & block
