Kent · England
External & façade joints in Mereworth, Kent
Sealing brickwork movement joints, render, cladding and façade joints in Mereworth, with a 12-month guarantee on every job. Call for a quick quote.
- Movement joints with cracked, split or missing sealant
- Failed seals between different materials
- Sealant that has lost its bond to the brick or render
External mastic in Mereworth
We cut out failed sealant, set the joint depth with closed-cell backing rod and reseal with a low-modulus exterior sealant. The colour is chosen to suit the brick or render so the joint doesn’t stand out. We work on render & cladding joints, copings & trims and brickwork movement joints, and the jobs we see most are rigid filler in a joint that should flex and damp patches traced to an open external joint.
Somewhere as small as Mereworth, homes and farm buildings often face open ground, 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.
Our work is backed for twelve months, in Mereworth and everywhere else we cover.
- Where
- Mereworth (ME18)
- Wider area
- Kent
- Cover
- 12 months on all our work
- Quote
- A clear quote up front
- Phone
- 0345 464 0079
- Updated
- 26 October 2026
Keeping the joints in good condition
So the new joints stay in good condition:
- Do not let climbing plants root in the sealant
- Avoid pressure-washing directly into sealant joints
- Deal with leaking gutters that soak the joints below
- Never let anyone fill a movement joint with mortar
Keep the joints clear of soil, plants and climbing growth. Damp material against the sealant shortens its life.
Once a joint can’t move, the wall finds another way, often as cracks near the joint. Resealing it early helps prevent that.
Your questions about external mastic in Mereworth
Do you work for landlords with property near Wateringbury station?
Yes, landlords and agents are among the people we work for, and several properties can go on one quote. Just ring 0345 464 0079 or send us an email with the address and what needs doing, and we will send you a clear quote.
Is Mereworth in your area for external mastic?
Yes, Mereworth is within the area we cover. We work across London and the South East. You can phone 0345 464 0079 or email us and tell us what needs doing.
How long will you be here?
Most jobs take a few hours for a handful of joints, longer for a whole elevation, including the preparation. We will confirm how long when we quote.
Can I do it myself?
That depends on the joint. High-level, external movement and fire-rated joints are professional jobs, while a short indoor joint may be within reach.
Can you seal joints between two different materials?
Yes. We cut out the old sealant, prepare both faces and reseal with a flexible exterior product. The colour is chosen to suit.
How often do external joints need resealing?
That depends on the wall, the weather and the movement. Look for splits, hardening or edges coming away and have them redone then.
Should I point up the gap in my brickwork?
No. Cement or mortar cannot stretch. If it has already been filled, we can normally cut it out and reseal it.
Does someone need to be in?
We need access to the joints, so we’ll agree that with you when we book. For inside work, that normally means someone being in.
What the job involves on each surface
Render joints
The face of render can be soft, so a low-modulus sealant is kinder to the joint edges. We prime where the product needs it.
Brickwork movement joints
Vertical joints in long brick walls let the brickwork expand without cracking. They’re resealed over backing rod with a low-modulus sealant coloured to suit the wall.
Leave it or put it right?
Done well, a resealed joint is a neat, straight line that suits the wall. A hurried job with smeared edges and no backing looks worse and fails sooner. Older cottages and farmhouses around Mereworth can have timber 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 work begins, so you know where you stand.
Why Mereworth customers choose us
- Colour picked to suit the job
- Neat joints and a tidy finish
- We never seal over old sealant
- One-year guarantee on every job
DIY versus a professional finish
Too much sealant is as bad as too little. A heavy bead looks messy and copes badly with movement, and the joint depth matters as much as the finish.
Some jobs are best left to a professional: high-level joints, fire-rated gaps, external movement joints and big jobs call for the right materials, safe access and experience.
Nearby places to Mereworth
More services for Mereworth
Do you need external mastic in Mereworth?
Using the wrong sealant is another common reason. A stiff, general-purpose sealant can’t cope with a joint that moves a lot, and it tears off the sides.
People generally contact us after spotting one of these:
- Brick movement joints where the sealant has split
- Movement joints filled with mortar instead of sealant
- Weathered mastic that no longer stretches
- Weeds or debris growing in open joints
For landlords with property near Wateringbury station, failed wall and movement joints let damp in, so they’re worth checking between tenancies.
What your quote should include
- Whether all the old sealant comes out first
- What happens if the job turns out different
- How long the guarantee is
- Who turns up on the day
What external mastic looks like in Mereworth
Historic houses like Old Soar Manor (about 2.5 miles west) are a reminder that the area around Mereworth has older buildings as well as new. In older buildings, older walls and rooflines need a sealant that moves with them and suits the material. London and the South East are among the drier parts of the UK, though outdoor sealant still has to go onto a dry joint, so the forecast decides the day.
Managing a site like Mereworth Community Primary School? Then movement joints, cladding joints and gutters on larger buildings need the same care as a house’s. If you live in an older home near St Lawrence's Church, the joints between older walls, newer extensions and the roofline need a sealant that can move.
Mereworth is about 6 miles north-east of Tonbridge, in Kent. Homes, rented property, offices and hotels in Mereworth is covered for external mastic, old or new, large or small. The work is guaranteed for a year. Mereworth is one of 922 towns and villages in Kent we cover. There’s also a page for London, roughly 26 miles from Mereworth.
We work across the ME18 postcode area for external mastic and the streets around it. You’ll find streets such as The Street, Butcher's Lane and Tonbridge Road, and we cover them all. We also cover the places around Mereworth: Herne Pound (1 mile north), Kent Street (1 mile north), New Pound (1 mile north-west), Pizien Well (1 mile east) and West Peckham (1 mile south-west). Within a short drive, we also cover Maidstone (6 miles east), Dartford (14 miles north-west), Sevenoaks (8 miles west), Royal Tunbridge Wells (10 miles south-west), Gravesend (12 miles north) and Tonbridge (6 miles south-west).
Around Mereworth
In Mereworth, that means homes and buildings near The Queens Head Public House, among other places. Mereworth’s nearest station is Wateringbury station, roughly 2 miles east of the centre. Well-known places in the area include Maidstone Hospital (4.7 miles east) and Leybourne Castle (3.6 miles north-east).
Work for landlords, hotels and businesses
Mouldy or split sealant often shows up at the end of a tenancy. We can quote for more than one property at once.
We regularly work with letting and managing agents. Send the address, what’s needed and the access arrangements and we’ll quote.
What happens on the day
Our applicators work methodically: protect, prepare, seal, tidy. For most jobs that takes a few hours for a handful of joints, longer for a whole elevation, and the area is left clean. For a village or hamlet like Mereworth, the journey is planned in advance: tell us about narrow lanes, gates, long drives and where we can park. Everything for the job comes with us, so a second trip is avoided where possible.
- We start by checking each joint, agreeing the ones to redo and how we will reach them.
- The old mastic and anything lodged in the joint is removed.
- Both sides are cleaned back to sound material and primed if needed.
- Closed-cell backing rod is fitted to set the depth and stop three-sided bonding.
- We gun in a flexible exterior sealant in a colour that suits the wall and tool it neatly.
How to prepare
- Clear items away from the joints we are working on
- Try not to wet indoor joints just before the visit
- For business premises, tell us about site rules or sign-in
Get a quote
We quote each job on its own, so the first step is telling us about yours. Simply ring 0345 464 0079 or send us an email and describe the job, and photos are welcome.