East Sussex · England
Jenkins' Green External Mastic
External mastic in Jenkins' Green from a team with over 20 years’ experience. Rated 4.9 on Google from 180+ five-star reviews.
- Rain getting behind render or cladding at a joint
- Weeds or debris growing in open joints
- Movement joints filled with mortar instead of sealant
External mastic in Jenkins' Green, done properly
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 does not stand out. Common call-outs are for movement joints filled with mortar instead of sealant and damp patches traced to an open external joint, on brickwork movement joints, joints between brick and frames and façade panels.
Older homes in small places like Jenkins' Green may be stone, brick or timber-framed, often with later extensions. Where one material meets another is where water generally gets in, and they need the right sealant at the right depth.
There’s a 12-month guarantee on every job.
- Where
- Jenkins' Green (BN24)
- Region
- East Sussex
- Cover
- A year, on every job
- Quote
- A clear price before work begins
- Telephone
- 0345 464 0079
- Updated
- 26 October 2026
What affects the cost of external mastic
Some jobs are bigger than they look, and some smaller. What affects the quote:
- Whether there’s mould to deal with
- How much old sealant there is and how hard it is to remove
- How many rooms, windows or areas are involved
- Whether the work is at height
What you pay reflects the work, not guesswork. That’s why we ask a few questions first.
Helping us quote
What to tell us when you ask for a quote:
- Where the job is, and your postcode
- The problem you’ve noticed
- Whether it’s a home or a business
- Roughly how big the job is
Quotes start with a quick conversation. Tell us what’s wrong, where it is and how much there is. Whenever you’re ready, phone 0345 464 0079 or drop us an email.
Landlords, agents and businesses in Jenkins' Green
Letting agents often deal with us directly. Tell us the address, the job and how access works.
We work for landlords and letting agents as well as homeowners. Resealing between tenancies keeps a property looking cared for before the next move-in.
Do you need external mastic in Jenkins' Green?
Every building moves. Brickwork grows a little over the years, blockwork and concrete shrink, and all of it moves with heat and moisture. All of that ends up in the joint sealant.
It’s worth asking for a quote if you see:
- Cracked joints where brick meets render or frames
- Old sealant gone brittle and cracked
- Moss and dirt in joints with no sealant left
- Rigid filler in a joint that should flex
If you live in an older home near St Luke's Church, older walls, gutters and the joints where extensions meet them need a flexible sealant.
What to look for in a quote
- Whether they’re fully insured
- What happens if they find a problem under the old sealant
- Whether you can choose the colour
- Which sealant they’ll use, and why
Jenkins' Green questions
Will you come out to Jenkins' Green?
Yes, Jenkins' Green is covered. Our work covers London and the South East, and smaller places are part of that. The journey is planned ahead, so it helps to know about access.
Does the coastal weather in Jenkins' Green affect outside sealant?
Near the sea, outside joints face more wind, rain and salt than they would inland, so preparation and the right sealant matter all the more. Walls facing the sea are normally the first to need attention.
Can tenants book the work?
Yes. Check with your landlord; we can send the quote to them too.
Can new sealant go over the old?
No, it will not last. It can look neat for a few weeks, but the new bead soon lifts. The old sealant has to come out completely.
Do you have insurance?
Yes. We are fully insured.
Do I have to be there?
Access is agreed with you when the job is booked. Indoors, that usually means someone at home.
Where do you work from?
Mr Mastic is based in Crawley. We cover Jenkins' Green and the rest of East Sussex.
Are you ARBOMaster approved?
Yes. We’re an ARBOMaster approved applicator, the approved applicator scheme for Arbo sealants.
How to look after the new joints
After the cure time, these simple habits help:
- Walk round the building once a year and look at the joints
- Fix overflowing gutters above sealed joints
- Never let anyone fill a movement joint with mortar
- Keep high-pressure jets off the joints
Have a quick look at the joints each spring. Watch for splits, edges coming away or growth in the joint.
Once a joint cannot move, the wall finds another way, often as cracks near the joint. Resealing it early helps prevent that.
The process
Before we leave, we go over the finished joints with you. The visit itself normally takes a few hours to a few days, depending on the length of joint and the access, depending on the size of the job. Somewhere as small as Jenkins' Green, access is often the only tricky part. For outside work, also let us know about exposed walls and any outbuildings involved.
- 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.
- We gun in a flexible exterior sealant in a colour that suits the wall and tool it neatly.
Getting ready for the visit
- Clear items away from the joints we’re working on
- Let us know if you’ve seen damp or leaks
- Let us know about parking restrictions
How to get a quote
To get a quote, call 0345 464 0079 or drop us an email with the location and a short description of the problem. You’ll have a clear quote before any work starts.
Advice
Walls and rooflines in Jenkins' Green
Jenkins' Green is close to the coast, where wind-driven rain is a fact of life and, nearer the shore, so is salt air. That is hard on movement joints and outside wall joints, especially on the side facing the sea. 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 Hankham Primary School, larger buildings have long runs of movement joint that eventually need resealing. Letting a property close to Pevensey & Westham station? Then outside joints that have cracked can let damp into a rental, so check them between lets.
Jenkins' Green is about 3 miles north of Eastbourne, in East Sussex. Jobs in Jenkins' Green get the same care as everywhere else we work: old sealant removed completely, careful preparation and a one-year guarantee. 289 places in East Sussex are on our list. There’s also a page for Brighton, roughly 19 miles from Jenkins' Green.
We work across BN24 for external mastic and the streets around it. Neighbouring places we cover for external mastic include Westham (1 mile south-east), Pevensey (1 mile east), Langney (2 miles south), Pevensey Bay (2 miles east) and Wartling (3 miles north-east). Within a short drive, we also cover Eastbourne (3 miles south), Hastings (12 miles east), Bexhill-on-Sea (7 miles east), Seaford (9 miles west), Lewes (14 miles west) and Hailsham (3 miles north-west).
Around Jenkins' Green
Around Jenkins' Green, our work takes us to homes and buildings near Causeway School and The Red Lion pub and the streets around them. The nearest railway station is Pevensey & Westham station, about 1.1 miles south-east. A little further out are Pevensey Castle (1.3 miles east) and Pevensey Court House Museum And Gaol (1.3 miles east). For a walk, there’s Combe Hill.
Also near Jenkins' Green
Other services in Jenkins' Green
Why act early in Jenkins' Green
Water gets in through a failed movement joint, behind render and cladding. Dealing with it early keeps the repair to the joint, rather than the wall around it. Around Jenkins' Green, older homes often have timber in their floors and frames, and water through a failed joint can rot timber if it’s left.
We don’t show prices on the website, because the cost depends so much on the job itself. Call for a quick quote.
Why book with us
- We leave the area clean and tidy
- Old sealant always removed completely
- ARBOMaster approved applicator
- Arbo and Everbuild products
Take a look at how sealant jobs are priced or what customers say.
Different surfaces, different methods
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.
Render joints
Rendered walls have joints at beads, openings and changes of material. We reseal them with a flexible exterior sealant that suits the render colour.