Kent · England
External & façade joints in Broomhill, Kent
External mastic for Broomhill and the surrounding area: careful preparation, the right product and tidy work. Ask us for a quick quote.
- Sealant that has lost its bond to the brick or render
- Joints pointed up with cement by mistake
- Failed seals between different materials
External mastic for homes and businesses in Broomhill
A movement joint is a deliberate break that lets a wall expand and contract. The sealant in it has to stretch and squeeze for years, so once it splits or hardens, the joint stops working and water gets in. If you are dealing with moss and dirt in joints with no sealant left and water getting into walls through failed joints, we can help.
External sealant needs dry, clean surfaces, so work around Broomhill is planned for dry weather. Tell us about access to all sides of the building, including outbuildings and garages.
All our work is covered by a one-year guarantee, wherever you are in Kent.
- Where
- Broomhill (CT3)
- Region
- Kent
- Guarantee
- A year, on every job
- Quote
- Quoted before any work starts
- Telephone
- 0345 464 0079
- Updated
- 26 October 2026
How to look after the new joints
How long the joints last depends on use and care. Here’s what we suggest:
- Leave the joints unpainted unless we’ve said otherwise
- Tell anyone working on the walls about the movement joints
- Keep high-pressure jets off the joints
- Get split or bare joints resealed while the damage is small
Don’t let soil, plants or ivy build up against the new joints. Anything that holds water against the joint wears it out sooner.
Water getting behind cladding or render can go unnoticed for a long time. When it finally shows inside, the joint may have been open for years so early resealing is worth it.
What external mastic looks like in Broomhill
London and the South East are among the drier parts of the UK, but outside sealant still needs a dry, clean surface, so outdoor work is planned around the forecast. With historic houses such as Goodnestone Park (about 2.5 miles south) nearby, there’s older building stock in the area around Broomhill as well as newer homes. In older buildings, older brick and stone need a sealant that suits them, at the right joint depth.
In the older streets around St Mary's Church, old and new materials meet at the roofline and walls, which is where sealant earns its keep. Schools such as Wingham Primary School are buildings too, and movement joints, cladding joints and gutters on larger buildings need the same care as a house’s.
Broomhill is about 6 miles east of Canterbury, in Kent. For external mastic in and around Broomhill, it’s easy to get a quote: please ring 0345 464 0079 or email us. We are based in Crawley and cover Kent. Our Kent coverage runs to 922 places, and Broomhill is one of them. Chelmsford is on our list too, about 45 miles from Broomhill.
Here we cover the CT3 postcode area for external mastic. If you need external mastic at a property on Wenderton Lane, North Court Road and Miles Court or a nearby road, we can help. Neighbouring places we cover for external mastic include Wingham (1 mile south), Shatterling (1 mile east), Well Head (1 mile south), Perry (1 mile north-east) and Wingham Green (1 mile south-west). Further out, we also cover Canterbury (6 miles west), Margate (10 miles north-east), Dover (10 miles south), Folkestone (14 miles south), Ramsgate (9 miles north-east) and Broadstairs (11 miles north-east).
Local landmarks in Broomhill
In Broomhill, that means homes and buildings near The Red Lion pub, among other places. Broomhill’s nearest station is Adisham station, roughly 2.7 miles south of the centre. Other landmarks nearby include St Martins Hospital (4.8 miles west). Open spaces near Broomhill include Monk's Wall nature reserve.
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 the joint depth matters as much as the finish.
Some sealant jobs are within reach of a careful DIYer, such as a straightforward joint indoors. The common mistakes are sealing over old sealant, sealing a damp joint and using far too much.
Towns and villages near Broomhill
Other services in Broomhill
Surface by surface
Render joints
Cracks along render joints let water in behind the coat. Resealing the joints early keeps water out and protects the render itself.
Brickwork movement joints
Brick moves with heat and moisture, and grows a little over time. The movement joint takes that up, so the sealant in it must stay soft and stretchy.
What we do, step by step
At the end, we look at the finished work together and tell you how long to leave it. The visit itself normally takes a few hours for a handful of joints, longer for a whole elevation, depending on the size of the job. Somewhere like Broomhill needs a little journey planning: let us know about lanes, gates and parking. Everything for the job comes with us, so a second trip is avoided where possible.
- We inspect the joints and agree which need resealing and how they’ll be reached.
- The old mastic and anything lodged in the joint is removed.
- 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
- Mention any leaks or damp you’ve noticed
- Keep pets and children clear of the area while we work
- Mention if the joints have been sealed before
Getting a quote
A good description makes for an accurate quote. Let us know the location, the problem and roughly how many joints.
Advice
Work for landlords, hotels and businesses
Whether it’s one flat or a portfolio, you get the same standard of work: old sealant fully removed, joints prepared properly and a one-year guarantee.
Letting agents often deal with us directly. Tell us the address, the job and how access works and we will quote.
Broomhill: your questions answered
Do you cover smaller places like Broomhill?
Yes, smaller places are covered as well as towns. Our work covers London and the South East. Let us know about access, parking and anything unusual about getting there when you book.
Is Broomhill in your area for external mastic?
Yes, Broomhill is within the area we cover. We work across London and the South East. You can call 0345 464 0079 or email us and tell us what needs doing, and we’ll send you a clear quote.
What should I tell you?
Just the basics: the address or postcode, what’s wrong and any access issues. After that, simply call 0345 464 0079 or send us an email.
Can a movement joint be filled with mortar?
No. A mortar-filled joint can’t move, so the wall cracks somewhere else instead. It needs a flexible sealant over backing rod.
Can tenants book the work?
Yes, though it’s best to check with your landlord first. Many landlords are glad to have it sorted.
Why do you put foam in the joint first?
That’s backing rod, a closed-cell foam. It stops the sealant going in too deep and bonding to three sides.
How long should I leave it?
Different products cure at different speeds, so follow the cure time we give you when we finish.
Can I add another job to the visit?
Yes. Tell us about everything you’d like done.
What we can’t put right
Sealant is not the answer to every problem, and we’d rather say so up front. It won’t solve:
- Structural movement, which needs a surveyor or engineer
- Rising or penetrating damp from elsewhere in the wall
- Loose or hollow render, which needs re-rendering
Not sure which it is? You can ring 0345 464 0079 or email us and we will tell you honestly.
Surfaces we seal
- Copings & trims
- Façade panels
- Brickwork movement joints
- Concrete & block
- Render & cladding joints
- Joints between brick and frames
Common problems we fix in Broomhill
Sunlight, wet weather and frost wear exterior sealant down. Over the years it hardens, cracks on the surface and loses its give, so the joint eventually tears or comes away from one side.
Keep an eye out for these signs:
- Sealant pulling away from one side of the joint
- Moss and dirt in joints with no sealant left
- Joints pointed up with cement by mistake
- Failed sealant between panels on a façade
Letting a property close to Adisham station? Then outside joints that have cracked can let damp into a rental, so check them between lets.
Questions to ask before you book
- Whether VAT is included
- How long to leave it before use
- Which sealant they’ll use, and why
- What guarantee comes with the work