East Sussex · England
Battle External Mastic
Sealing brickwork movement joints, render, cladding and façade joints for homeowners, landlords and businesses in Battle. ARBOMaster approved applicators, fully insured, with a 12-month guarantee.
- Gaps where render, brick and frames meet
- Leaking joints around cladding and façade panels
- Weeds or debris growing in open joints
Outside joints around Battle
With historic houses such as Durhamford Manor (about 2.4 miles north-east) nearby, there’s older building stock in the area around Battle as well as newer homes. In older buildings, older brick and stone need a sealant that suits them, at the right joint depth. The South East is one of the drier parts of the UK, though outdoor sealant still has to go onto a dry joint, so the forecast decides the day.
If you live in an older home near The Parish Church of St Mary, old and new materials meet at the roofline and walls, which is where sealant earns its keep. If you look after a building such as Battle and Langton Church of England Primary School, larger buildings have long runs of movement joint that eventually need resealing.
Battle is about 5 miles north of Bexhill-on-Sea, in East Sussex. Wherever you are in the TN33 postcode area, our applicators can take on external mastic. Our East Sussex coverage runs to 289 places, Battle among them. We also work in Brighton, about 27 miles from Battle.
Here we cover the TN33 postcode area for external mastic. Local streets include High Street, Market Road and Station Road, all of which we cover. Being close to the A271 and A2100, Battle is easy for our applicators to reach for external mastic. We also cover the places around Battle: Steven's Crouch (2 miles west), Netherfield (2 miles north-west), Mountfield (2 miles north), John's Cross (3 miles north) and Penhurst (3 miles west). We also work in nearby towns such as Eastbourne (12 miles south-west), Hastings (5 miles south-east), Bexhill-on-Sea (5 miles south), Hailsham (11 miles west), St Leonards (5 miles south-east) and Polegate (12 miles south-west).
Near you in Battle
Typical jobs here are in homes near Claverham Community College and The Abbey Hotel, among other places. The nearest railway station is Battle station, about 0.6 miles south-east of the centre. Well-known places in the area include Battle Museum of Local History (within half a mile north) and Conquest Hospital (4.3 miles south-east). Open spaces near Battle include Church Wood and Robsack Wood and Senlac Hill.
External mastic for homes and businesses in Battle
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 work on copings & trims, joints between brick and frames and brickwork movement joints, and common reasons people get in touch are failed sealant between panels on a façade and water getting into walls through failed joints.
Outbuildings, garages and conservatories around homes in places like Battle add more joints to look after. Gutter ends, garage door frames and the joints where an extension meets the house are typical spots for leaks.
Every job comes with a one-year guarantee.

- Place
- Battle (TN33)
- Wider area
- East Sussex
- Cover
- 12 months on all our work
- Quote
- Quoted before any work starts
- Phone
- 0345 464 0079
- Updated
- 26 October 2026
FAQs for Battle
Can you do external mastic in Battle?
Yes, Battle is within the area we cover. Our work covers London and the South East. You can call 0345 464 0079 or drop us an email and let us know what needs doing.
Do you work for landlords with property near Battle station?
Yes, rental work is part of what we do. You can call 0345 464 0079 or drop us an email with the address and a few details, and we will give you a fixed price before work begins.
Where are you based?
We are a Crawley-based firm. Our area covers South East England, London and Scotland.
What colours does the sealant come in?
The sealant colour is picked to suit the wall so the joint blends in. Exterior sealants come in a good range of colours.
How long does external mastic last?
There’s no fixed answer: joints on exposed walls or with a lot of movement age sooner. Check them each year and reseal when they split or harden. Every job carries our one-year guarantee.
Why is there a gap in my brick wall?
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.
Do you use backing rod?
We fit closed-cell backing rod wherever the joint depth needs controlling. It controls the depth and stops the sealant bonding to the back.
Do you work at height?
It depends on the height and the site. Ground-floor joints are simple; for higher ones, send details and we’ll confirm the access.
Landlord and commercial work in Battle
Businesses can book us for washrooms, kitchens, offices and more. On commercial sites, working times can be discussed when we quote.
Hotels need rooms back in use, so the work can be planned room by room around your bookings where we can. Hotel work is part of what we do, alongside homes and businesses.
Towns and villages near Battle
More services for Battle
What affects the quote in Battle
Every job gets its own quote. These are the things that affect it:
- The old material and how stubborn it is
- Access and height
- How many areas need sealing
- Working hours on commercial sites
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. You’ll know the price before we begin.
What to tell us for a quote
The more you tell us, the more accurate the quote. When you ask for a quote, tell us:
- Roughly how big the job is
- Pictures of the joints, sent by email
- Any access issues, like height or stairs
- Where the property is
To get a quote, ring 0345 464 0079 or drop us an email with the location and a short description of the problem. You’ll have a clear quote before any work starts.
What we do, step by step
At the end, we look at the finished work together. The visit itself usually takes a few hours to a few days, depending on the length of joint and the access, depending on the size of the job. For a job in Battle, we agree the time, the access and parking before the day. If the work is outside, the weather plays a part, as sealant needs a dry surface.
- Each joint is checked and the colour of the new sealant agreed.
- Failed sealant is removed back to clean, sound faces.
- Backing rod goes in so the sealant can stretch between the two faces.
- Primer is applied wherever the sealant needs it.
- We gun in low-modulus sealant and tool it neatly.
Getting ready for the visit
- Let us know about parking restrictions
- Keep children and pets away from the work area
- Mention if the joints have been sealed before
Get a quote
Asking for a quote is easy: let us know the job and the location. Photos by email help us understand the job, and we’ll come back to you with a quote.
Related advice
Surface by surface
Render joints
Rendered walls have joints at beads, openings and changes of material. They’re resealed in a sealant that suits the render.
Copings and trims
Coping joints that leak let water straight down into the wall. Sealing them early saves the wall below.
DIY sealant or a professional job?
Overfilling a joint is a classic DIY mistake. A heavy bead looks messy and copes badly with movement, and getting the depth right matters as much as the look.
The difference is mostly in the preparation and the product. Joints are cleaned back to sound surfaces and dried, and the sealant is chosen for how the joint moves and where it is, and the work is guaranteed for a year.
When to call us in Battle
The wrong product in a moving joint is a classic cause. A stiff, general-purpose sealant can’t cope with a joint that moves a lot, so it pulls away from the edges.
Look out for any of the following:
- Plants rooting in failed movement joints
- Water getting into walls through failed joints
- Panel joints letting water in
- Cracked joints where brick meets render or frames
Letting a property close to Battle station? Then split movement joints are easy to miss on a rental until damp shows inside.
Comparing quotes
- Is the old sealant removed completely?
- How the colour is chosen
- What happens if the job turns out different
- What product goes in the joint
Honest limits
Sealant isn’t the answer to every problem, and we’ll tell you before any work starts. Sealant won’t put right:
- Loose or hollow render, which needs re-rendering
- Cracks in the bricks or render themselves, away from the joints
- Movement that is more than a sealant joint can take
If in doubt, call 0345 464 0079 or drop us an email and we will say what we think.
Surfaces we seal
- Brickwork movement joints
- Render & cladding joints
- Joints between brick and frames
- Concrete & block
- Façade panels
- Copings & trims
