Buckinghamshire · England
Asheridge External Mastic
Sealing brickwork movement joints, render, cladding and façade joints for homes and businesses in Asheridge and across Buckinghamshire. Fully insured, ARBOMaster approved and guaranteed for a year.
- Hard, crazed mastic that has stopped moving
- Weeds or debris growing in open joints
- Failed seals between different materials
External mastic in Asheridge, done properly
Where two different materials meet, such as brick and render or blockwork and metal, they move at different rates. A flexible sealant bridges the two. Common call-outs are for weathered mastic that no longer stretches and cracked joints where brick meets render or frames, across façade panels, brickwork movement joints and joints between brick and frames.
Around Asheridge, older buildings can be stone, brick or timber-framed, many with extensions added later. The joints where those materials meet are the weak points.
Every job is covered by a one-year guarantee, wherever you are in Buckinghamshire.
- Location
- Asheridge (HP5)
- Wider area
- Buckinghamshire
- Cover
- A year, on every job
- Quote
- A clear quote up front
- Call
- 0345 464 0079
- Updated
- 26 October 2026
When it is not the sealant
Sealant isn’t the answer to every problem, and we’d rather say so up front. It won’t solve:
- 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
- Cracks in the bricks or render themselves, away from the joints
If you are not sure, just phone 0345 464 0079 or send us an email and we’ll give you a straight answer.
What we seal
- Façade panels
- Brickwork movement joints
- Concrete & block
- Render & cladding joints
- Copings & trims
- Joints between brick and frames
Landlord and commercial work in Asheridge
In hotels, rooms out of use cost money, so the work can be planned room by room. We’ve worked in hotels as well as homes and businesses.
We regularly work with letting and managing agents. Send the address, what’s needed and the access arrangements and we will quote.
Walls and rooflines in Asheridge
Historic houses like Cholesbury Manor House (about 1.7 miles north) are a reminder that the area around Asheridge has older buildings as well as new. In older buildings, 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.
Managing a site like Chartridge Combined School? Then movement joints, cladding joints and gutters on larger buildings need the same care as a house’s. Letting a property close to Great Missenden station? Then failed wall and movement joints let damp in, so they’re worth checking between tenancies.
Asheridge is about 2 miles north-west of Chesham, in Buckinghamshire. Homes, rented property, offices and hotels in Asheridge can book us for external mastic. Every job comes with our one-year guarantee. Asheridge is one of 263 places in Buckinghamshire we cover. Our Reading page covers work nearby.
Work in HP5 works the same way as everywhere else we cover. We cover properties on Widmore Close and Braziers End and the roads around them. If you’re just outside Asheridge, we cover Chartridge (1 mile south-west), Bellingdon (1 mile north), Hawridge (1 mile north), Pond Park (1 mile south-east) and Heath End (2 miles north-east). Within a short drive, we also cover Aylesbury (10 miles north-west), High Wycombe (9 miles south-west), Marlow (12 miles south-west), Amersham (4 miles south-east), Beaconsfield (9 miles south) and Chalfont St Peter (9 miles south).
Local landmarks in Asheridge
In Asheridge, that means homes and buildings near Chiltern Hills Academy and The Blue Ball pub. The nearest railway station is Great Missenden station, about 3.6 miles south-west of the centre. Well-known places in the area include Hawridge Court (1 mile north-east) and Chiltern Hospital (3.7 miles south-west). Green spaces nearby include Sands Bank and Pavis Wood.
Places near Asheridge
Also in Asheridge
Aftercare tips
Looking after new joints is easy:
- Wash walls gently around the sealant
- Keep water from gutters off the wall
- Do not let climbing plants root in the sealant
- Get split or bare joints resealed while the damage is small
Do not let soil, plants or ivy build up against the new joints. Damp material against the sealant shortens its life.
Gaps, plants or missing sealant in a joint are worth getting looked at. Early work is quicker and leaves a better finish.
Common problems we fix in Asheridge
Every building moves. 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.
People generally contact us after spotting something like this:
- Panel joints letting water in
- Hard, crazed mastic that has stopped moving
- Joints with sealant missing in places
- Joints pointed up with cement by mistake
If you live in an older home near St John's Church, old and new materials meet at the roofline and walls, which is where sealant earns its keep.
What to look for in a quote
- The length of the guarantee
- What the quote includes, VAT included or not
- Is the old sealant removed completely?
- Which colour the sealant will be
FAQs for Asheridge
Is Asheridge 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.
Do you cover Asheridge for external mastic?
Yes. We work across London and the South East, and Asheridge is part of that. Just phone 0345 464 0079 or email us with a few details of the job, and we will give you a clear price.
How do I get a quote for external mastic in Asheridge?
There’s no set price, as it depends on the job: how much there is, what’s there now, how we reach it and what it needs. We agree the price before any work begins.
Is there a guarantee?
Yes, always. Each job is guaranteed for twelve months.
Can I do it myself?
Sometimes. The key is preparation: remove all the old material and work on a clean, dry joint. If it does not work out, we can redo it.
Which products do you use?
Each joint gets the product that suits it. Movement, water and weather all affect the choice, and we’ll explain our choice.
Do you work for hotels and businesses?
Yes. Commercial and hotel work is a large part of what we do. Working times can be discussed when we quote.
Can tenants book the work?
Of course. Ask your landlord first, and we can send them the quote if that helps.
How the job changes by surface
Cladding and façade panels
Metal and composite panels move a lot with temperature, so the joint sealant has to cope with frequent movement. The sealant is chosen with that in mind.
Copings and trims
Metal and stone copings both move with temperature, so a flexible sealant suits them best year round.
The process
There’s no need to move everything out, only the area right around the joints. We protect the rest, and the work takes a few hours to a few days, depending on the length of joint and the access in most cases. For a village or hamlet like Asheridge, the journey is planned in advance: let us know about lanes, gates and parking. We bring what the job needs, so it can be finished in one trip where possible.
- We start by walking round the building and agreeing the joints and the access.
- 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.
- Backing rod sized to the joint goes in to set the depth.
- We apply the sealant, tool it and check the whole run.
Getting ready for the visit
- Mention any leaks or damp you’ve noticed
- Mention any sign-in or site rules at work premises
- Tell us if parking is tricky
Ask for a quote
For a quick quote, get us on the phone, or send an email if you’d rather. Describe what needs sealing and we’ll explain what’s involved.
Related advice
Why deal with it now?
Sealing over the top of old mastic does not hold for long. The new layer can’t bond properly to old, weathered material, so we always take the old sealant out. Where a wall is exposed, as many are in small places like Asheridge, wind-driven rain gets into any failed joint, and damp in older walls is slow to dry out.
Instead of a standard rate, we look at what your job involves: how many joints, what’s in them now and how we reach them. The price is agreed before we begin.
Why book with us
- We never seal over old sealant
- 12-month guarantee on every job
- Fully insured
- Tidy, careful work