Buckinghamshire · England
External Mastic in Pitch Green
Specialist external mastic for Pitch Green: careful preparation, the right product and tidy work. Ask us for a quick quote.
- Failed seals between different materials
- Movement joints with cracked, split or missing sealant
- Old sealant gone brittle and cracked
External mastic in Pitch Green
For buildings in Pitch Green, we reseal external joints of all kinds, from brick movement joints to cladding panels. The preparation is the same whatever the wall: clean joint faces and the right depth. If you’re dealing with rain getting behind render or cladding at a joint and failed seals between different materials, we can help, whatever the surface.
Somewhere as small as Pitch Green, homes and farm buildings often face open ground, where walls and rooflines take the weather head on. Joints on those walls need a sealant that moves with the building and stays in place.
The work is covered for a year after we finish. If anything isn’t right with it, call 0345 464 0079 or email us.
- Location
- Pitch Green (HP27)
- Wider area
- Buckinghamshire
- Guarantee
- One year on every job
- Price
- A clear price before work begins
- Phone
- 0345 464 0079
- Updated
- 26 October 2026
External mastic in Pitch Green: local notes
Rainfall in the South East is lower than in much of the UK, though outdoor sealant still has to go onto a dry joint, so the forecast decides the day.
Rented homes near Princes Risborough station change hands often, and outside joints that have cracked can let damp into a rental, so check them between lets. In the older streets around Church of the Holy Trinity, the joints between older walls, newer extensions and the roofline need a sealant that can move.
Pitch Green is about 4 miles east of Thame, in Buckinghamshire. Anywhere in HP27, our applicators can take on external mastic. Across Buckinghamshire, we cover 263 places, and Pitch Green is one of them. You can also see our page for Oxford, roughly 15 miles from Pitch Green.
Our applicators cover all of the HP27 postcode area for external mastic. Whether your property is on Chapel Lane, Sandpit Lane and Chinnor Road or anywhere close by, we can help. Neighbouring places we cover for external mastic include Skittle Green (1 mile south-west), Holly Green (1 mile north-west), Bledlow (1 mile south), Henton (1 mile west) and Forty Green (1 mile west). Larger places within reach include Aylesbury (7 miles north), High Wycombe (8 miles south-east), Chesham (11 miles east), Marlow (11 miles south-east), Amersham (12 miles east) and Beaconsfield (12 miles south-east).
What’s near Pitch Green
Typical jobs here are in homes near The Lions Of Bledlow pub and the streets around them. For rail, the closest station is Princes Risborough station, roughly 1.4 miles east of the centre. Well-known places in the area include Thame Community Hospital (4.3 miles west) and Great Kimble Dial Hill (3.4 miles north-east). For a walk, there’s Beacon Hill and Brush Hill Local Nature Reserve.
What happens on the day
Most of a good job is in the preparation, so that is where we spend the time. Joints are cleaned back and dried before anything new goes in. All told, the work takes a few hours for a handful of joints, longer for a whole elevation. In a small place like Pitch Green, access is generally the main thing to plan. If the job is outside, mention outbuildings, exposed walls and how to reach them.
- We look at every joint and agree a colour to suit the wall.
- Failed sealant is removed back to clean, sound faces.
- Closed-cell backing rod is pushed in so the sealant bonds to two sides only.
- Primer is applied wherever the sealant needs it.
- A low-modulus exterior sealant is gunned in and tooled to a neat finish.
How to prepare
- Let us know about parking restrictions
- Clear the area around the work
- Mention any leaks or damp you’ve noticed
Ask for a quote
Quotes start with a quick conversation. Describe the problem, the location and the size of the job, and we’ll talk you through what we’d do. Whenever you’re ready, call 0345 464 0079 or email us.
Advice
Looking after it afterwards
Aftercare is simple:
- Check the sealant is paintable before painting near it
- Tell anyone working on the walls about the movement joints
- Fix overflowing gutters above sealed joints
- Check external joints each spring
Avoid pressure-washing straight into the joints. High-pressure water can lift the edges and let water in behind.
An open movement joint lets rain into the wall every time it pours. Over time it can mean damp inside, stained render or frost-damaged brick.
Why act early in Pitch Green
A failed movement joint lets water into the wall and can run behind render or cladding. Resealing early keeps the job to the joint itself, instead of the wall and finishes around it. Where a wall is exposed, as many are in small places like Pitch Green, wind-driven rain gets into any failed joint, and older walls, once damp, take a long time to dry.
Commercial jobs are quoted on the same basis as homes: how much there is to do, how we reach it and what it needs, along with when we can work on site. Call for a quick quote and we will explain what it covers.
Why us?
- We are fully insured
- We never seal over old sealant
- Approved under the ARBOMaster scheme
- Colour agreed with you before any work starts
Take a look at what affects the cost or customer reviews.
When it is not the sealant
In fairness, there are a few things sealant will not fix:
- Damp from another source, such as a leaking gutter or a bridged damp-proof course
- 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 send us an email and we’ll tell you honestly before booking.
Surfaces we seal
- Joints between brick and frames
- Brickwork movement joints
- Copings & trims
- Façade panels
- Concrete & block
- Render & cladding joints
Also near Pitch Green
Other services in Pitch Green
Landlord and commercial work in Pitch Green
For anyone letting property in or around Pitch Green, several properties can be quoted together. Just tell us the addresses and what each one needs, and pictures by email help.
Failed sealant is one of the commonest items on a check-out report, and it’s easy to sort out between tenants. Several properties can be quoted together.
DIY sealant or a professional job?
Sealing over old silicone is the commonest DIY error. New silicone won’t bond to old, so it lifts and traps water and mould underneath. All the old material has to come out first.
The difference is mostly in the preparation and the product. We take joints back to clean, dry surfaces, and the sealant is chosen for how the joint moves and where it is.
Pitch Green questions
Do you cover Pitch Green for external mastic?
Yes, Pitch Green is within the area we cover. Our work covers London and the South East. Just ring 0345 464 0079 or drop us an email with a few details of the job.
Will you come out to Pitch Green?
Yes. Pitch Green is within the area we cover, which takes in towns, villages and rural addresses. Our work covers London and the South East. Let us know about access, parking and anything unusual about getting there when you book.
How long does external mastic take?
It depends on the size of the job, but most jobs take anything from a few hours to several days, depending on the building. We will give you a better idea when we quote.
How long should I leave it?
Cure times vary by product and the conditions. We tell you how long to leave it before we go.
Will the old sealant be removed?
Yes, always, and completely. New sealant will not bond properly to old, so the joint is cleaned back first.
Will there be a smell?
It depends on the product. Some products have a noticeable smell, others very little, and any smell fades as they cure.
Is it OK to fill a movement joint with cement?
No. Rigid materials can’t move with the wall, so the joint stops doing its job. Where a joint has been mortared, it can often be raked out and sealed properly.
Can you seal over the old sealant?
No. Fresh sealant doesn’t stick to old sealant, and it traps any mould or water underneath. It all has to come out first.
Do you need external mastic in Pitch Green?
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. All of that ends up in the joint sealant.
Look out for these signs:
- Movement joints filled with mortar instead of sealant
- Weeds or debris growing in open joints
- Cracked joints where brick meets render or frames
- Leaking joints around cladding and façade panels
For site and facilities teams at buildings such as Princes Risborough School, its movement joints, gutters and trims need looking after like any other building’s.
What your quote should include
- What the quote includes, VAT included or not
- Who turns up on the day
- What insurance they hold
- Whether all the old sealant comes out first