Buckinghamshire · England
External & façade joints in Holmer Green, Buckinghamshire
External mastic in Holmer Green from a team with over 20 years’ experience. 180+ five-star Google reviews and a 4.9 rating.
- Failed sealant between panels on a façade
- Sealant pulling away from one side of the joint
- Movement joints filled with mortar instead of sealant
The process
There is not much for you to do on the day. Show us the job and we’ll take it from there. The work itself takes a few hours for a handful of joints, longer for a whole elevation. In a smaller place like Holmer Green, parking is seldom the issue; lanes, gates and long drives are worth mentioning. If the job is outside, tell us about side access and how high the joints are.
- We start by checking each joint, agreeing the ones to redo and how we will reach them.
- The old mastic and anything lodged in the joint is removed.
- The joint faces are cleaned and primed where the sealant needs it.
- We push in closed-cell backing rod so the sealant is the right depth and bonds to the sides only.
- The new sealant, chosen to suit the brick or render, is applied and tooled to a neat finish.
Before we arrive
- On commercial sites, let us know about site rules
- Clear the area around the work
- Mention if the joints have been sealed before
Getting a quote
It all starts with a short chat. Describe the problem, the location and the size of the job, and we will talk you through what we’d do. When it suits you, phone 0345 464 0079 or email us.
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About our external mastic in Holmer Green
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 where a rigid filler would soon crack. We are often asked to deal with weathered mastic that no longer stretches and sealant pulling away from one side of the joint, across joints between brick and frames, render & cladding joints and façade panels.
In and around Holmer Green, older properties sit alongside newer ones, each with its own outside joints. Older homes need their gutter and trim joints kept tight, newer ones their movement joints.
You are covered for a year from the day we finish. If there’s a problem with it, please call 0345 464 0079 or drop us an email.
- Place
- Holmer Green (HP15)
- Region
- Buckinghamshire
- Guarantee
- A year, on every job
- Price
- A clear quote up front
- Phone
- 0345 464 0079
- Last updated
- 26 October 2026
Nearby places to Holmer Green
More services for Holmer Green
Can I do it myself?
If you’ve already had a go yourself, that’s fine. We remove it and do the joint properly, so just mention it when you contact us.
Some jobs are best left to a professional: high-level joints, fire-rated gaps, external movement joints and big jobs need the right product, the right access and the right method.
How the job changes by surface
Brickwork movement joints
Brick movement joints are often mistaken for a missing mortar line. If that is happened, we rake it out and reseal it properly.
Concrete and blockwork
Wide joints in concrete need the depth controlling carefully. Backing rod sized to the joint sets it and keep the sealant to the right depth.
What external mastic looks like in Holmer Green
The South East is one of the drier parts of the UK, yet outdoor joints still have to be sealed dry, so jobs are booked with the weather in mind. Historic houses like Hughenden Manor (about 2.8 miles west) are a reminder that the area around Holmer Green has older buildings as well as new. Where a home is older, older walls and rooflines need a sealant that moves with them and suits the material.
If you live in an older home near Christ Church, an extension built onto an older house moves differently, and the joint between them takes the strain. Schools such as Holmer Green Senior School are buildings too, and larger buildings have long runs of movement joint that eventually need resealing. For landlords with property near Great Missenden station, split movement joints are easy to miss on a rental until damp shows inside.
Holmer Green is about 3 miles north-east of High Wycombe, in Buckinghamshire. For external mastic in and around Holmer Green, it’s easy to get a quote: please call 0345 464 0079 or drop us an email. We’re based in Crawley and cover Buckinghamshire. Holmer Green is one of 263 places in Buckinghamshire where we work. Reading is on our list too, about 19 miles from Holmer Green.
Here we cover the HP15 postcode area for external mastic. You’ll find streets such as Holmer Place, Parish Piece and Pond Approach, all of which we cover. Neighbouring places we cover for external mastic include Beamond End (1 mile east), Mop End (1 mile east), Penn Street (2 miles east), Woodrow (2 miles east) and Penn (2 miles south). Further out, we also cover Aylesbury (12 miles north-west), High Wycombe (3 miles south-west), Chesham (5 miles north-east), Marlow (7 miles south-west), Amersham (4 miles east) and Beaconsfield (4 miles south-east).
Local landmarks in Holmer Green
Around Holmer Green, our work takes us to homes and buildings near Holmer Green Junior School and The Old Oak pub, among other places. Holmer Green’s nearest station is Great Missenden station, about 2.7 miles north. A little further out are Eden (3.5 miles south-west) and Chiltern Hospital (1.8 miles north). Open spaces near Holmer Green include Gomm's Wood.
What affects the cost of external mastic
Call for a quick quote. The main things that affect it are:
- The amount of work
- Access and height
- Which sealant suits the joint
- The number of rooms or windows
Some things make a job bigger or smaller: the old material and how easily it comes out, whether mould needs treating, and whether we need extra access for height. Your quote takes all of that into account.
Asking for a quote
When you contact us, these details help:
- The rough size of the job
- Where the job is, and your postcode
- Whether it’s a home or a business
- Access, such as stairs, a lift or height
Every job is quoted individually. Just phone 0345 464 0079 or email us with the details and send photos if you have them.
How to look after the new joints
Good habits help new joints last longer. Our tips:
- Leave the joints unpainted unless we have said otherwise
- Get split or bare joints resealed while the damage is small
- Keep high-pressure jets off the joints
- Tell anyone working on the walls about the movement joints
If you have more work done on the wall, such as new render, cladding or an opening, show the contractor the movement joints. They must stay as flexible joints, never rendered or pointed over.
Small splits are the time to act. At that stage it’s a simple cut out and reseal with no damage behind it to deal with.
Holmer Green: your questions answered
Can you do external mastic in Holmer Green?
Yes, Holmer Green is within the area we cover. We work across London and the South East. Just phone 0345 464 0079 or send us an email with a few details of the job.
Do you cover smaller places like Holmer Green?
Yes, we do. We work across London and the South East, from towns to the smallest places. The journey is planned ahead, so it helps to know about access.
How do you reach high-level joints?
It depends on the building. Tell us the height, the number of joints and what’s below them.
When is the sealant fully cured?
That depends on the sealant used, so please follow the time we give you.
Do you work for landlords and businesses?
Yes, we do. We work in homes, commercial premises and hotels, and we’re fully insured.
Is it worth trying it myself?
That depends on the joint. Work at height, movement joints, fire-rated gaps and large areas are best left to a professional.
What’s an expansion joint in brickwork?
Walls move with heat, cold and moisture, so long walls have planned gaps to take that movement. The gap is sealed with a flexible sealant over backing rod.
I rent my home. Can I book you?
Yes. Ask your landlord first, and we can send them the quote if that helps.
Why act early in Holmer Green
Done well, a resealed joint is a neat, straight line that suits the wall. A rushed bead with no backing looks untidy and does not last so it’s worth doing right. In an older home around Holmer Green, damp from a failed joint can get into timber and plaster, and that’s a much bigger job than renewing the sealant.
What you pay reflects the work, not guesswork. That is why we ask about the job first and give you a clear quote before we start.
What you get with us
- We agree the colour with you first
- White, clear, grey or coloured to suit, where the product allows
- Experience in homes, commercial sites and hotels
- 180+ five-star Google reviews
Take a look at what affects the cost and our reviews.
Landlord and commercial work in Holmer Green
For anyone letting property in or around Holmer Green, jobs at different addresses can be quoted together. Just tell us the addresses and what each one needs.
We also work for businesses, from offices to washrooms and kitchens. On commercial sites, working times can be discussed when we quote.