Kent · England
Beltring External Mastic
External mastic in Beltring from a team with over 20 years’ experience. 180+ five-star Google reviews and a 4.9 rating.
- Rain getting behind render or cladding at a joint
- Failed seals between different materials
- Weathered mastic that no longer stretches
About our external mastic in Beltring
A movement joint is only as good as its depth. Backing rod controls how deep the sealant goes and keeps it off the back of the joint, leaving it bonded to two faces so it can move with the wall. We are often asked to deal with failed sealant between panels on a façade and old sealant gone brittle and cracked, on façade panels, render & cladding joints and concrete & block.
In a village or hamlet like Beltring, 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.
All of our work is guaranteed for twelve months, in Beltring and everywhere else we cover.
- Where
- Beltring (TN12)
- Region
- Kent
- Guarantee
- One year on every job
- Quotes
- A clear price before we start
- Phone
- 0345 464 0079
- Updated
- 26 October 2026
Walls and rooflines in Beltring
The South East is one of the drier parts of the UK, yet outdoor joints still have to be sealed dry, so jobs are booked with the weather in mind.
If you look after a building such as East Peckham Primary School, larger buildings have long runs of movement joint that eventually need resealing. In the older streets around St Mary, older walls, gutters and the joints where extensions meet them need a flexible sealant.
Beltring is about 5 miles east of Tonbridge, in Kent. We provide external mastic to homes and businesses in Beltring and nearby, as part of our work across Kent. Our area takes in 922 places across Kent. We also work in Crawley, around 26 miles away.
All of TN12 is within our area for external mastic, from the main roads to the quietest streets. If you’re just outside Beltring, we cover Branbridges (1 mile north), Snoll Hatch (1 mile north-west), East Peckham (1 mile north-west), Hale Street (1 mile north) and Little Mill (1 mile west). Larger places within reach include Maidstone (7 miles north-east), Sevenoaks (11 miles north-west), Royal Tunbridge Wells (7 miles south-west), Tonbridge (5 miles west), Kings Hill (5 miles north) and Foley Park (8 miles north-east).
Around Beltring
Typical jobs here are in homes near Blue Bell Public House and Mascalls School. Beltring has its own railway station: Beltring station. Well-known places in the area include The Hop Farm Museum (0.5 miles south) and Tunbridge Wells Hospital (5.5 miles south-west). The countryside around Beltring includes Tudeley Woods RSPB reserve.
When it is not the sealant
It helps to know what we can’t do too:
- Render that is blown, hollow or coming away
- Damp from another source, such as a leaking gutter or a bridged damp-proof course
- Cracks in the bricks or render themselves, away from the joints
If you’re not sure, just call 0345 464 0079 or drop us an email and we will give you a straight answer before booking.
Surfaces we seal
- Façade panels
- Joints between brick and frames
- Concrete & block
- Copings & trims
- Brickwork movement joints
- Render & cladding joints
Places near Beltring
Also in Beltring
Beltring questions
Can you do external mastic in Beltring?
Yes, Beltring is within the area we cover. We work across London and the South East. You can phone 0345 464 0079 or send us an email and let us know what needs doing.
Do you work for landlords with property near Beltring station?
Yes, rental work is part of what we do. You can call 0345 464 0079 or email us with the address and a few details, and we will give you a fixed price before work begins.
Do you work at height?
It depends on the building. We work on joints that can be reached safely. Give us some details and we’ll confirm the access.
Can you do several jobs on one visit?
Yes, and it often makes sense. Combining jobs makes good use of the visit.
Are you fully insured?
Yes. Full insurance covers our work.
Do you use backing rod?
Backing rod goes into deeper joints as a matter of course. It sets the sealant depth and prevents three-sided bonding, so the joint can move.
Are you an approved applicator?
Yes. We are approved under the ARBOMaster scheme, the approved applicator scheme for Arbo sealants.
Will there be a smell?
Possibly a little. Any smell clears as the sealant cures.
How the job changes by surface
Concrete and blockwork
Big joints in concrete need careful depth control. Backing rod sized to the joint sets it and keep the sealant to the right depth.
Brickwork movement joints
Clay brickwork grows slightly over its life and moves with the weather. That movement goes into the joint, so its sealant has to stay flexible.
How the visit works
There’s no need to move everything out before we come, just the space around the work. We protect the rest, and the work takes anything from a few hours to several days, depending on the building for a typical job. Somewhere as small as Beltring, access is often the only tricky part. If the job is outside, mention outbuildings, exposed walls and how to reach them.
- We start by walking round the building and agreeing the joints and the access.
- Every bit of old sealant and any mortar or debris is cut out.
- 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.
Getting ready for the visit
- Move anything stored near the joints
- Let us know about earlier repairs to the joints
- For indoor joints, keep the area dry beforehand if you can
Get a quote
Want a quote for external mastic? Please phone 0345 464 0079 or send us an email with a few details. We will explain what we’d do and give you a clear price before we start.
Advice
DIY sealant or a professional job?
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. All the old material has to come out first.
Some jobs are best left to a professional: work at height, external movement joints, fire-rated sealant and large areas need the right product, the right access and the right method.
For landlords 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 12-month guarantee.
Water getting past a failed joint can damage the building, which is a bigger problem in a rented property. Resealing at the right time is simple maintenance.
Signs you need external mastic in Beltring
Many joints fail because they were sealed too deep or with nothing behind them. Sealant bonded to three sides has nowhere to go and rips as the joint opens.
Any of these means the joints need attention:
- Joints pointed up with cement by mistake
- Weathered mastic that no longer stretches
- Sealant that has lost its bond to the brick or render
- Damp patches traced to an open external joint
Letting a property close to Beltring station? Then outside joints that have cracked can let damp into a rental, so check them between lets.
Comparing quotes
- Which colour the sealant will be
- Who does the work, and how experienced they are
- What insurance they hold
- How the surfaces are prepared before sealing
What affects the quote in Beltring
For a quick quote, just ask. What matters most is:
- Which sealant suits the joint
- How easy the joints are to reach
- The old material and how stubborn it is
- Working hours on commercial sites
Rather than a set price list, we look at what your job involves: how many joints, what’s in them now and how we reach them. You will know the price before we begin.
What to tell us for a quote
To help us quote quickly, let us know:
- Where the property is
- A few pictures by email, if you can
- How many joints, rooms or windows are involved
- What the problem is, such as mould, gaps, leaks or cracking
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 talk you through the work and give you a clear quote.