Kent · England
External & façade joints in Bromley Green, Kent
External mastic in Bromley Green from a team with over 20 years’ experience. 180+ five-star Google reviews and a 4.9 rating.
- Weathered mastic that no longer stretches
- Joints where the bead has come unstuck
- Plants rooting in failed movement joints
About our external mastic in Bromley Green
Ground-floor and low-level joints are straightforward to reach. For joints higher up, give us some details of the building and we’ll confirm what access is needed. We work on joints between brick and frames, concrete & block and render & cladding joints, and the jobs we see most are failed sealant between panels on a façade and hard, crazed mastic that has stopped moving.
In a village or hamlet like Bromley Green, older cottages and farm buildings often stand in the open, so walls and rooflines take the full force of wind and rain. Joints on those walls need a sealant that moves with the building and stays in place.
Whatever the size of the job, you get the same 12-month guarantee.

- Where
- Bromley Green (TN26)
- Region
- Kent
- Guarantee
- 12 months on all our work
- Quotes
- A clear price before any work starts
- Telephone
- 0345 464 0079
- Updated
- 26 October 2026
Do you need external mastic in Bromley Green?
Some movement joints have been pointed up with mortar, often by someone who didn’t know what it was for. The joint can’t move, so the wall cracks somewhere else instead.
Keep an eye out for these signs:
- Failed seals between different materials
- Rigid filler in a joint that should flex
- Failed sealant between panels on a façade
- Hard, crazed mastic that has stopped moving
Rented homes near Ham Street station change hands often, and failed wall and movement joints let damp in, so they’re worth checking between tenancies.
Comparing quotes
- How long the guarantee is
- Which colour the sealant will be
- Whether they seal over old material or remove it
- Is VAT in the price?
Towns and villages near Bromley Green
Other services in Bromley Green
Landlord and commercial work in Bromley Green
For anyone letting property in or around Bromley 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.
Common questions in Bromley Green
Will you come out to Bromley Green?
Yes, we do. We work across London and the South East, from towns to the smallest places. Longer journeys are simply planned in advance.
Do you work for landlords with property near Ham Street station?
Yes, landlords and agents are among the people we work for. You can phone 0345 464 0079 or send us an email with the details for a clear quote.
How much does external mastic cost in Bromley Green?
It depends on the job, so we quote each one individually. For a quick quote, ring 0345 464 0079 or drop us an email with a short description of the job.
Will you leave a mess?
Tidy work is part of the job. We protect what’s around the joints, and the area is left clean when we finish.
Do the sealants smell?
Some sealants have a smell while they cure. Ventilation helps.
Can you match the colour of my brickwork?
We aim for a joint that suits the wall rather than one that jumps out. We’ll talk through colour options before work begins, matched as closely as the range allows.
How long does the job take?
That depends on the amount of work, but most jobs take a few hours for a handful of joints, longer for a whole elevation. We’ll give you a better idea when we quote.
What should I tell you?
A short description and the location. We’ll ask anything else we need to know.
Different surfaces, different methods
Render joints
Water behind render can lead to blown patches. A sound joint keeps the render dry behind and protects the render itself.
Cladding and façade panels
Where a cladding system has its own specified sealant, we follow it, or one the system allows. Send us any details you have about the façade.
What we do, step by step
There’s no need to move everything out before we come, only the area right around the joints. Everything nearby is protected, and the job takes a few hours for a handful of joints, longer for a whole elevation in most cases. Somewhere as small as Bromley Green, access is often the only tricky part. For outside work, also let us know about exposed walls and any outbuildings involved.
- We start by walking round the building and agreeing the joints and the access.
- We cut out the old mastic and rake out anything in the joint.
- Joint faces are cleaned back and primed if the sealant needs it.
- We fit closed-cell backing rod to control the depth.
- The exterior sealant is applied, tooled and checked along its length.
How to prepare
- Mention any parking rules near the property
- Keep children and pets away from the work area
- Mention any sign-in or site rules at work premises
Getting a quote
If you’re in Bromley Green and need external mastic, phone 0345 464 0079 or drop us an email. A short description of the job and where it is helps us quote, and we’ll agree the price before any work begins.
Read more
Can I do it myself?
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.
Sealing over old silicone is the commonest DIY error. New silicone will not bond to old, so it peels away and traps moisture behind it. Everything old must be removed first.
External mastic in Bromley Green: local notes
With historic houses such as Godinton House (about 4.5 miles north) nearby, there’s older building stock in the area around Bromley Green 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, but outside sealant still needs a dry, clean surface, so outdoor work is planned around the forecast.
Godinton House, about 4.5 miles north, is one of the historic houses in the wider area around Bromley Green, and older homes nearby need a sealant that suits their walls. If you look after a building such as John Wallis Academy, movement joints, cladding joints and gutters on larger buildings need the same care as a house’s.
Bromley Green is about 3 miles south of Ashford, in Kent. Whether you’re in the middle of Bromley Green or further out, we cover external mastic for every kind of property. 922 places in Kent are on our list, from the larger towns to small villages. For nearby work, see our Crawley page (45 miles or so).
Our applicators cover all of TN26 for external mastic and the streets around it. If you need external mastic at a property on Bromley Green Road, Ashford Road and Hamstreet Road or a nearby road, our applicators can take on the job. Other places close to Bromley Green include Orlestone (1 mile south), Stone Cross (2 miles east), Hamstreet (2 miles south), Ruckinge (3 miles south-east) and Kenardington (3 miles south-west). Larger places within reach include Ashford (3 miles north), Folkestone (14 miles east), Faversham (15 miles north), Hythe (10 miles east), Davington (15 miles north) and Preston (15 miles north).
Landmarks near Bromley Green
The nearest railway station is Ham Street station, roughly 1.9 miles south. A little further out are Ashford Designer Outlet (3 miles north) and Woodchurch Village Life Museum (3.9 miles west). Not far away are Orlestone Forest.
Why it’s worth doing now in Bromley Green
Water gets in through a failed movement joint. Resealing early keeps the job to the joint itself, instead of the wall and finishes around it. Where a wall is exposed, as many are in small places like Bromley Green, wind-driven rain gets into any failed joint, and older walls, once damp, take a long time to dry.
A few things move the cost up or down: the old material and how easily it comes out, whether mould needs treating, and whether the work is at height. Your quote takes all of that into account.
Why book with us
- Trusted Arbo and Everbuild sealants
- Full insurance on every job
- Rated 4.9 stars on Google
- Sealant colour chosen to suit
Read our cost guide and our reviews.
Aftercare tips
After the cure time, these simple habits help:
- Show decorators and builders where the movement joints are
- Check external joints each spring
- Act on the first splits you see
- Clear growth from the base of walls and joints
Don’t paint over the new sealant unless we have said the product is paintable. Paint can crack on a flexible joint, and paint can crack as the joint moves.
Leaks behind façade panels and render often go unseen. When it finally shows inside, the joint may have been open for years, so it’s worth resealing at the first signs.
