Kent · England
Kilndown External Mastic
Sealing brickwork movement joints, render, cladding and façade joints for Kilndown, backed by a one-year guarantee. Ask us for a quote.
- Joints pointed up with cement by mistake
- Sealant pulling away from one side of the joint
- Failed seals between different materials
Kilndown buildings and the weather
With historic houses such as Scotney Castle (about 0.8 miles west) nearby, there’s older building stock in the area around Kilndown as well as newer homes. Where a home is older, older walls and rooflines need a sealant that moves with them and suits the material. Compared with the north and west, the South East gets less rain, yet outdoor joints still have to be sealed dry, so jobs are booked with the weather in mind.
Around Kilndown, as everywhere, external mastic is only as good as the preparation behind it.
Kilndown is about 8 miles south-east of Royal Tunbridge Wells, in Kent. Wherever you are in the TN17 postcode area, we cover external mastic for homes and businesses. Kilndown is one of 922 towns and villages in Kent we cover for external mastic. For nearby work, see our Crawley page (27 miles or so).
We cover every part of TN17 for external mastic. You’ll find streets such as Church Road, Beresford Close and Chicks Lane. Other places close to Kilndown include Riseden (1 mile north-east), Bedgebury Cross (1 mile east), Stonecrouch (1 mile south), Three Leg Cross (2 miles south) and Flimwell (3 miles south). Larger places within reach include Maidstone (13 miles north), Royal Tunbridge Wells (8 miles north-west), Tonbridge (10 miles north-west), Kings Hill (13 miles north), Foley Park (14 miles north) and Paddock Wood (6 miles north).
What’s near Kilndown
Other landmarks nearby include Finchcocks Musical Museum (1 mile north) and Old Scotney Castle (0.6 miles west). Open spaces near Kilndown include Bewl Water.
External mastic for homes and businesses in Kilndown
Movement joints let brickwork, render and cladding expand and shrink without cracking. Its sealant has to flex with the building, season after season, and when it fails, the wall takes the strain and water finds a way in. We work on copings & trims, render & cladding joints and brickwork movement joints, and common reasons people get in touch are sealant pulling away from one side of the joint and damp patches traced to an open external joint.
Outside joints can only be sealed when they’re dry, so work in Kilndown is booked around the forecast. Tell us about access to all sides of the building, including outbuildings and garages.
We stand behind the work with a one-year guarantee, so you are not left on your own once the job is done.
- Place
- Kilndown (TN17)
- Region
- Kent
- Guarantee
- 12 months on all our work
- Quotes
- Quoted before any work starts
- Phone
- 0345 464 0079
- Last updated
- 26 October 2026
For landlords and businesses
We also work for businesses, from offices to washrooms and kitchens. On commercial sites, working times can be discussed when we quote.
If you manage several properties in or around Kilndown, several properties can go on one quote. Just tell us the addresses and what each one needs.
Towns and villages near Kilndown
Also in Kilndown
DIY versus a professional finish
If you’ve already had a go yourself, that is fine. We cut it out and start again, so tell us about it when you ask for a quote.
A careful DIYer can reseal a simple joint, like a short, easy-to-reach joint indoors. Where it goes wrong is sealing over the old bead, working on a wet joint or overloading the gap.
Leave it or put it right?
Done well, a resealed joint is a neat, straight line that suits the wall. A rushed bead with no backing looks untidy and doesn’t last. Around Kilndown, older homes often have timber in their floors and frames, and water through a failed joint can rot timber if it’s left.
What it costs depends on the size of the job, how hard the old material is to remove and how easy the joints are to reach. We give a clear quote before we start.
Why Kilndown customers choose us
- ARBOMaster approved applicator
- Experience in homes, commercial sites and hotels
- A choice of colours where the product allows
- Over 20 years’ experience
See our cost guide and what customers say.
What affects the quote in Kilndown
Jobs vary more than people expect. The main factors:
- The number and length of the joints
- When we can work, for business premises
- How many rooms, windows or areas are involved
- Whether old sealant or filler has to be cut out
Doing several joints on one visit is normally more efficient than separate visits, so tell us about everything that needs sealing. You’ll get one clear quote for the whole job.
Helping us quote
Before you ask for a quote, have a think about:
- Pictures of the joints, sent by email
- The address or postcode of the job
- If someone has resealed it before
- Whether it’s a home or a business
For a quick quote, get us on the phone, or send an email if you’d rather. Tell us about the joints that need doing and we will explain what’s involved and give you a clear quote.
When to call us in Kilndown
Sunlight, wet weather and frost wear exterior sealant down. Over the years it hardens, cracks on the surface and loses its give, so the next time the wall moves, it splits or pulls away.
These are the problems we’re asked about most:
- Failed seals between different materials
- Movement joints filled with mortar instead of sealant
- Panel joints letting water in
- Water getting into walls through failed joints
For an older house near a landmark such as Christ Church, older walls, gutters and the joints where extensions meet them need a flexible sealant.
What your quote should include
- Is VAT in the price?
- How the surfaces are prepared before sealing
- When the joint can take water or movement
- What happens if they find a problem under the old sealant
FAQs for Kilndown
Is Kilndown within the area you cover?
Yes, we do. Our work covers London and the South East, and smaller places are part of that. Longer journeys are simply planned in advance.
Is external mastic in Kilndown guaranteed?
Every job comes with our one-year guarantee, wherever it is. We’re also fully insured and ARBOMaster approved.
Can you quote for more than one area?
Yes. Tell us about everything you’d like done and we’ll quote it together.
How do you reach high-level joints?
It depends on the building. We work on joints that can be reached safely. Give us some details and we’ll confirm the access.
Are you an approved applicator?
Yes. We hold ARBOMaster approved applicator status, and we’re fully insured.
Will there be a smell?
There can be a smell while the sealant cures, but it fades. Opening a window helps.
Do you remove the old sealant?
Yes, every time. New sealant will not bond properly to old, so the joint is cleaned back first.
Do you have insurance?
Yes. Full insurance covers our work, and we can confirm the details when we quote.
What we do, step by step
When we arrive, we look over the joints with you first, so there are no surprises. We protect the surfaces around the joints before any work starts. Most jobs take a few hours to a few days, depending on the length of joint and the access. Somewhere as small as Kilndown, access is often the only tricky part. If the job is outside, mention outbuildings, exposed walls and how to reach them.
- We inspect the joints and agree which need resealing and how they’ll be reached.
- Old sealant and any debris are cut and raked out.
- We clean both faces of the joint and prime them where the product calls for it.
- Backing rod goes in next, setting the depth and keeping the sealant off the back of the joint.
- A flexible exterior sealant is applied and tooled in a colour to suit the wall.
Before we arrive
- Tell us if parking is tricky
- For business premises, tell us about site rules or sign-in
- Tell us about any previous sealing or DIY attempts
How to get a quote
Quotes start with a quick conversation. Describe the problem, the location and the size of the job, and we will explain how we’d tackle it. Whenever you are ready, call 0345 464 0079 or send us an email.
Advice
Honest limits
In fairness, some problems need a different trade:
- Subsidence or other structural problems
- Render that’s blown, hollow or coming away
- Cracking across the wall rather than at a joint
Not sure which it is? You can phone 0345 464 0079 or send us an email and we’ll tell you honestly.
Joints and surfaces we work on
- Joints between brick and frames
- Concrete & block
- Render & cladding joints
- Copings & trims
- Brickwork movement joints
- Façade panels