West Berkshire · England
External Mastic in Ball Hill
Sealing brickwork movement joints, render, cladding and façade joints in Ball Hill, with a 12-month guarantee on every job. Call for a quick quote.
- Rain getting behind render or cladding at a joint
- Cracked joints where brick meets render or frames
- Sealant pulling away from one side of the joint
Honest limits
To be straight with you, there are a few things sealant will not fix:
- Cracking across the wall rather than at a joint
- Walls that need new movement joints cut into them
- Rising or penetrating damp from elsewhere in the wall
Not sure which it is? You can phone 0345 464 0079 or email us and we will tell you honestly.
Surfaces we seal
- Concrete & block
- Render & cladding joints
- Façade panels
- Brickwork movement joints
- Joints between brick and frames
- Copings & trims
External mastic in Ball Hill
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 mortar or filler would crack. Typical jobs include weathered mastic that no longer stretches and panel joints letting water in, on joints between brick and frames, concrete & block and façade panels.
Outside joints can only be sealed when they’re dry, so work in Ball Hill is booked around the forecast. Let us know about access to every wall, plus any garages or outbuildings.
You are covered for a year from the day we finish. If anything is not right with it, call 0345 464 0079 or send us an email.

- Place
- Ball Hill (RG20)
- Wider area
- West Berkshire
- Cover
- 12 months on all our work
- Price
- Quoted before any work starts
- Phone
- 0345 464 0079
- Page updated
- 26 October 2026
Places near Ball Hill
What else we do in Ball Hill
Questions from Ball Hill
I let a flat near Kintbury station. Can you help?
Yes, we work for letting agents and landlords. You can call 0345 464 0079 or drop us an email with the address and a few details, and we’ll give you a fixed price before work begins.
Is Ball Hill in your area for external mastic?
Yes. We work across London and the South East, and Ball Hill is part of that. You can call 0345 464 0079 or drop us an email and let us know what needs doing, and we’ll give you a clear price.
Is it messy?
No. The area is protected while we work and cleaned up afterwards.
Can new sealant go over the old?
No. Fresh sealant doesn’t stick to old sealant, and anything trapped underneath, including mould and water, stays there. It all has to come out first.
Will the new joint stand out?
We choose a sealant colour to suit the brick, stone or render, so the joint sits quietly in the wall. Exterior sealants come in a good range of colours.
Can you work on commercial sites?
Yes. We work in offices, washrooms, hotels and other commercial premises, as well as homes. We can talk about working times when we quote.
Are you an approved applicator?
Yes. ARBOMaster is the approved applicator scheme for Arbo sealants, and we are part of it.
Is it worth trying it myself?
It depends on the job. Work at height, movement joints, fire-rated gaps and large areas are best left to a professional, while a short indoor joint may be within reach.
Different surfaces, different methods
Joints between dissimilar materials
Where a frame or panel meets masonry, water often finds a way in. The old joint is removed and a sealant that bonds to both sides goes in.
Render joints
The face of render can be soft, so a sealant that stretches easily protects the edges. We prime where the product needs it.
What affects the cost of external mastic
There’s no set price list, because no two jobs are the same. What we look at:
- When we can work, for business premises
- Whether the work is at height
- The number of rooms or windows
- The number and length of the joints
A few things move the cost up or down: how much old sealant there is and how stubborn it is, any mould to treat, and whether we need extra access for height. We take all of that into account in your quote.
What we need to know
To help us quote quickly, let us know:
- The rough size of the job
- Where the job is, and your postcode
- Whether it has been sealed before
- Any access issues, like height or stairs
Call for a quick quote, or email us if that’s easier. Tell us about the joints that need doing and we will talk you through the work before giving you a price.
Leave it or put it right?
An open joint keeps letting water into the wall with every downpour. Wet masonry is more easily damaged by frost near the open joint, so the damage spreads beyond the joint. In a small place like Ball Hill, homes can be exposed to wind and rain, which finds any gap, and older walls, once damp, take a long time to dry.
We do not show prices on the website, because the cost depends so much on the job itself. Call for a quick quote.
Why us?
- Sealant colour chosen to suit
- 20+ years of sealant experience
- Any old sealant cut out fully, not covered over
- White, clear, grey or coloured to suit, where the product allows
Read our cost guide or our reviews.
Looking after it afterwards
Good habits help new joints last longer. Our tips:
- Look over the joints every year, ideally after winter
- Point out the joints to other trades
- Deal with leaking gutters that soak the joints below
- Have failed joints looked at early
Have a quick look at the joints each spring. Splits, gaps at the edges or plants in the joint are early warning signs.
Gaps, plants or missing sealant in a joint are worth getting looked at. Early work is quicker and leaves a better finish.
How it works
When we get to you, we compare the joints with what we discussed. If anything is different, we explain it before carrying on. Most jobs then take anything from a few hours to several days, depending on the building. Somewhere as small as Ball Hill, access is often the only tricky part. For outside work, also let us know about exposed walls and any outbuildings involved.
- First we look over the joints with you, agree which to renew and talk through access.
- Old sealant and any debris are cut and raked out.
- Both sides are cleaned back to sound material and primed if needed.
- Backing rod goes in next, setting the depth and keeping the sealant off the back of the joint.
- We gun in a flexible exterior sealant in a colour that suits the wall and tool it neatly.
How to prepare
- Mention any tricky access
- Try not to wet indoor joints just before the visit
- Mention any parking rules near the property
Get a quote
For external mastic in Ball Hill, call 0345 464 0079 or drop us an email. Tell us what the problem is and where, and you’ll get a clear quote before any work starts.
Related advice
Walls and rooflines in Ball Hill
With historic houses such as Stargroves (about 1.5 miles south) nearby, there’s older building stock in the area around Ball Hill as well as newer homes. Where a home is older, 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, though outdoor sealant still has to go onto a dry joint, so the forecast decides the day.
Historic houses such as Stargroves, about 1.5 miles south, show how far back building around Ball Hill goes, and older homes nearby need a sealant that suits their walls. Rented homes near Kintbury station change hands often, and outside joints that have cracked can let damp into a rental, so check them between lets.
Ball Hill is about 4 miles south-west of Newbury, in West Berkshire. Jobs in Ball Hill get the same care as everywhere else we work: old sealant removed completely, careful preparation and a one-year guarantee. Our West Berkshire coverage runs to 155 places, Ball Hill among them. You can also see our page for Reading, roughly 19 miles from Ball Hill.
Here we cover the RG20 postcode area for external mastic. If you need external mastic at a property on Knights Lea, Gore End Road and Knights Lane or a nearby road, our applicators can take on the job. We also cover the places around Ball Hill: Hamstead Marshall (1 mile north), Woolton Hill (1 mile south-east), Crockham Heath (1 mile north-east), Enborne Row (2 miles east) and Penwood (2 miles south-east). Within a short drive, we also cover Newbury (4 miles north-east), Thatcham (7 miles east), Burghfield Common (15 miles east), Speenhamland (4 miles north-east), Hungerford (6 miles north-west) and Lambourn (11 miles north-west).
Near you in Ball Hill
We work in homes and buildings around Hamstead Marshall Park, among other places. The closest station to Ball Hill is Kintbury station, about 3.1 miles north-west of the centre. Other landmarks nearby include Newbury Castle (2.2 miles north) and West Berkshire Community Hospital (5.3 miles north-east). Open spaces near Ball Hill include Kintbury Newt Ponds and Pilot Hill.
Landlords, agents and businesses in Ball Hill
Failed sealant is one of the commonest items on a check-out report, and it’s quick to put right between tenancies. We can quote for more than one property at once.
We regularly work with letting and managing agents. Tell us the address, the job and how access works and we will quote.
