Buckinghamshire · England
External & façade joints in Middle Claydon, Buckinghamshire
We cover Middle Claydon for sealing brickwork movement joints, render, cladding and façade joints. Old sealant removed completely, joints prepared properly and a 12-month guarantee.
- Gaps where render, brick and frames meet
- Moss and dirt in joints with no sealant left
- Rain getting behind render or cladding at a joint
What sealant work cannot fix
We will not take on work that will not last, so these are the limits:
- Loose or hollow render, which needs re-rendering
- Cutting new joints into brickwork, which is building work rather than sealant work
- Damp from another source, such as a leaking gutter or a bridged damp-proof course
If you’re not sure, just call 0345 464 0079 or email us and we’ll give you a straight answer.
Surfaces we seal
- Render & cladding joints
- Copings & trims
- Joints between brick and frames
- Façade panels
- Brickwork movement joints
- Concrete & block
External mastic in Middle Claydon
Ground-floor and low-level joints are straightforward to reach. Where joints are higher up, tell us about the building when you get in touch and we’ll confirm what’s needed to reach them safely. We’re often asked to deal with damp patches traced to an open external joint and joints pointed up with cement by mistake, on brickwork movement joints, joints between brick and frames and copings & trims.
Older homes in small places like Middle Claydon may be stone, brick or timber-framed, often with later extensions. Where one material meets another is where water usually gets in.
There’s a 12-month guarantee on every job, large or small.
- Where
- Middle Claydon (MK18)
- Wider area
- Buckinghamshire
- Cover
- 12 months on all our work
- Quote
- A clear price before work begins
- Telephone
- 0345 464 0079
- Last updated
- 26 October 2026
How the job changes by surface
Copings and trims
Metal and stone copings both move with temperature, so the joints need a sealant that stays flexible in all weathers.
Brickwork movement joints
Clay brickwork grows slightly over its life and moves with the weather. That movement goes into the joint, so the sealant in it must stay soft and stretchy.
Common problems we fix in Middle Claydon
Buildings move more than people expect. Brickwork grows a little over the years, blockwork and concrete shrink, and all of it moves with heat and moisture. The sealant in the movement joints takes that strain.
Keep an eye out for these signs:
- Movement joints with cracked, split or missing sealant
- Failed seals between different materials
- Leaking joints around cladding and façade panels
- Rain getting behind render or cladding at a joint
Managing a site like East Claydon Church of England School? Then its movement joints, gutters and trims need looking after like any other building’s.
Comparing quotes
- How hidden problems are handled
- Whether you can choose the colour
- What preparation is included
- Whether all the old sealant comes out first
Should I try it myself first?
If you’ve already had a go yourself, that’s fine. We cut it out and start again, so just mention it when you contact us.
Sealing over old silicone is the commonest DIY error. Silicone does not stick to old silicone, so it lifts and traps water and mould underneath. Everything old must be removed first.
How it works
We keep the work tidy and contained to the area we’re working on. Expect the work to take a few hours for a handful of joints, longer for a whole elevation, and we explain the cure time before we leave. In a small place like Middle Claydon, access is normally the main thing to plan. If the job is outside, mention outbuildings, exposed walls and how to reach them.
- We inspect the joints and agree which need resealing and how they’ll be reached.
- We cut out the failed sealant and rake out any dirt or growth.
- Both sides are cleaned back to sound material and primed if needed.
- We push in closed-cell backing rod so the sealant is the right depth and bonds to the sides only.
- We gun in a flexible exterior sealant in a colour that suits the wall and tool it neatly.
Before we arrive
- Try not to wet indoor joints just before the visit
- Mention any tricky access
- Let us know about earlier repairs to the joints
Get a quote
Asking for a quote is easy: let us know the job and the location, and roughly how big it is. Photos by email help us understand the job, and we will come back to you with a quote.
Related advice
Questions from Middle Claydon
Is external mastic in Middle Claydon guaranteed?
Every job comes with our 12-month guarantee, wherever it is. We’re also fully insured and ARBOMaster approved.
Is Middle Claydon within the area you cover?
Yes, we do. We work across London and the South East, and smaller places are part of that. The journey is planned ahead, so it helps to know about access.
Can tenants book the work?
We can work for tenants, landlords or agents. Just make sure your landlord agrees.
How do I get a quote for external mastic in Middle Claydon?
There’s no set price, as it depends on the job: its size, the old material, access and the product needed. You’ll get a clear quote before we start.
Can you seal joints between two different materials?
Yes. Materials like render, brick, metal and uPVC all move differently, so the joint between them must be flexible. We choose one that suits both surfaces.
Are you insured?
Yes. We are fully insured.
What should I tell you?
The location, the problem and the rough size of the job. If you can, email a few pictures.
What do you put in the joint?
Each joint gets the product that suits it. Movement, water and weather all affect the choice, and we’ll explain our choice.
Middle Claydon buildings and the weather
Compared with the north and west, the South East gets less rain, though outdoor sealant still has to go onto a dry joint, so the forecast decides the day. Historic houses like Claydon House (about 0.3 miles south) are a reminder that the area around Middle Claydon 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.
Homes close to Church of All Saints include some older properties, and an extension built onto an older house moves differently, and the joint between them takes the strain.
Middle Claydon is about 5 miles south of Buckingham, in Buckinghamshire. Jobs in Middle Claydon get the same care as everywhere else we work: old sealant removed completely, careful preparation and a one-year guarantee. Our area takes in 263 places across Buckinghamshire, from the larger towns to small villages. You can also see our page for Oxford, roughly 17 miles from Middle Claydon.
Jobs for external mastic in MK18 is quoted and booked the same way as anywhere else. Close by, we work in Botolph Claydon (1 mile south-east), East Claydon (1 mile east), Steeple Claydon (1 mile north-west), Adstock (3 miles north-east) and Padbury (3 miles north). Within a short drive, we also cover Aylesbury (10 miles south-east), Elmhurst (9 miles south-east), Southcourt (10 miles south-east), Princes Risborough (15 miles south), Haydon Hill (8 miles south-east) and Turnfurlong (11 miles south-east).
Landmarks near Middle Claydon
Other landmarks nearby include Buckingham Community Hospital (5.4 miles north). Green spaces nearby include Calvert Jubilee.
Why act early in Middle Claydon
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. In a small place like Middle Claydon, homes can be exposed to wind and rain, which finds any gap, and damp in older walls is slow to dry out.
Leaving a failed joint usually makes the job bigger, not smaller, as water and mould keep getting in. If you’re unsure, phone 0345 464 0079 or email us and we will give you an honest view and a quote.
What you get with us
- Experience in homes, commercial sites and hotels
- Neat joints and a tidy finish
- Full insurance on every job
- Any old sealant cut out fully, not covered over
See our cost guide or what customers say.
Towns and villages near Middle Claydon
More services for Middle Claydon
Landlords, agents and businesses in Middle Claydon
Water getting past a failed joint can damage the building, which matters even more when someone else lives there. Keeping joints in good order is simple maintenance.
Mouldy or split sealant often shows up at the end of a tenancy. Several properties can go on one quote.