East Sussex · England
External & façade joints in Burwash, East Sussex
External mastic for Burwash and the surrounding area: the right sealant, proper preparation and a neat finish. Call for a quick quote.
- Rigid filler in a joint that should flex
- Hard, crazed mastic that has stopped moving
- Damp patches traced to an open external joint
What we do, step by step
A visit follows a simple pattern: we look at the joints together, mask and protect the surrounding surfaces, carry out the job and tidy away. It normally takes a few hours to a few days, depending on the length of joint and the access. Somewhere like Burwash needs a little journey planning: 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 inspect the joints and agree which need resealing and how they’ll be reached.
- We cut out the failed sealant and rake out any dirt or growth.
- The joint faces are cleaned and primed where the sealant needs 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.
How to prepare
- Let us know about earlier repairs to the joints
- Let us know about parking restrictions
- Let us know about stairs, lifts or work at height
Getting a quote
We quote each job on its own, so start by telling us what you need. Simply call 0345 464 0079 or drop us an email and describe the job and send pictures if you have them.
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About our external mastic in Burwash
As ARBOMaster approved applicators, we choose exterior sealants to suit the joint and the surfaces. Some surfaces need a primer before sealing, and we don’t skip that step. We work on brickwork movement joints, concrete & block and copings & trims, and common reasons people get in touch are water getting into walls through failed joints and rigid filler in a joint that should flex.
External sealant needs dry, clean surfaces, so work around Burwash is planned for dry weather. Let us know about access to every wall, plus any garages or outbuildings.
The work is covered for a year after we finish. If there’s a problem with it, please phone 0345 464 0079 or send us an email.
- Where
- Burwash (TN19)
- Region
- East Sussex
- Cover
- A year, on every job
- Quote
- A clear price before work begins
- Call
- 0345 464 0079
- Updated
- 26 October 2026
When to call us in Burwash
Every building moves. Clay bricks expand slightly over their life, concrete and block shrink, and everything moves with temperature and wet. All of that ends up in the joint sealant.
The most common problems we see are:
- Gaps where render, brick and frames meet
- Weeds or debris growing in open joints
- Movement joints with cracked, split or missing sealant
- Sealant pulling away from one side of the joint
Rented homes near Stonegate station change hands often, and failed wall and movement joints let damp in, so they’re worth checking between tenancies.
Comparing quotes
- How the surfaces are prepared before sealing
- What the quote includes, VAT included or not
- When the joint can take water or movement
- Whether the sealant suits the joint
Also near Burwash
What else we do in Burwash
DIY versus a professional finish
What a professional job adds is preparation and the right product. Joints are cleaned back to sound surfaces and dried, and the sealant is matched to the joint and its conditions.
Some sealant jobs are within reach of a careful DIYer, like a short, easy-to-reach joint indoors. The common mistakes are sealing over old sealant, sealing a damp joint and using far too much.
Burwash: your questions answered
Can you do external mastic in Burwash?
Yes, Burwash is within the area we cover. We work across London and the South East. You can phone 0345 464 0079 or email us and let us know what needs doing, and we will give you a clear price.
Is Burwash within the area you cover?
Yes, smaller places are covered as well as towns. We work across London and the South East. Just mention lanes, gates or anything else about the route when you book.
Do you remove the old sealant?
Yes, every time. New silicone doesn’t stick to old silicone, so any old material comes out before anything new goes in.
What is a movement joint?
It’s a deliberate gap that lets the wall expand and contract without cracking. It’s sealed with a flexible sealant, not mortar.
Do you use backing rod?
The foam is closed-cell backing rod. It keeps the sealant at the right depth and bonded to the sides only.
What sealant do you use?
It depends on the joint: sanitary silicone where it gets wet, and sealants suited to movement or weather elsewhere. We use products from Arbo and Everbuild.
Do you do commercial work?
Yes. We work in offices, washrooms, hotels and other commercial premises, as well as homes. We can talk about working times when we quote.
Do the sealants smell?
It depends on the product. Some products have a noticeable smell, others very little.
What affects the cost of external mastic
Every job gets its own quote. This is what makes a difference:
- The number of rooms or windows
- The number and length of the joints
- Whether there’s mould to deal with
- When we can work, for business premises
Doing several joints on one visit normally makes better use of the time than several visits, so it’s worth mentioning everything you’d like done. We will give you a clear quote for the lot.
What we need to know
There’s no need for technical detail. It helps if you can tell us:
- What the problem is, such as mould, gaps, leaks or cracking
- Where the job is, and your postcode
- A few pictures by email, if you can
- Roughly how big the job is
Need a quote? Please ring 0345 464 0079 or email us and tell us about the job. You will know what we plan to do, and what it will cost, before any work begins.
Why act early in Burwash
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 Burwash, wind-driven rain gets into any failed joint, and damp in older walls is slow to dry out.
The cost reflects the work involved, not guesswork. That’s why we ask about the job first and agree the price before starting.
Why choose Mr Mastic in Burwash
- White, clear, grey or coloured to suit, where the product allows
- Anti-fungal sanitary silicone in wet areas
- Colour agreed with you before work begins
- Colour picked to suit the job
See our cost guide or what customers say.
Work for landlords, hotels and businesses
We also work for businesses, from offices to washrooms and kitchens. For commercial premises, we can talk through working times when we quote.
Water getting past a failed joint can damage the building, which is a bigger problem in a rented property. Keeping joints in good order is simple maintenance.
Burwash buildings and the weather
Historic houses like Bateman's (about 0.8 miles south-west) are a reminder that the area around Burwash has older buildings as well as new. In older buildings, older brick and stone need a sealant that suits them, at the right joint depth. The South East is one of the drier parts of the UK, though outdoor sealant still has to go onto a dry joint, so the forecast decides the day.
Schools such as Burwash CofE School are buildings too, and 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 The Parish Church of St Bartholomew, an extension built onto an older house moves differently, and the joint between them takes the strain.
Burwash is about 10 miles east of Crowborough, in East Sussex. Homes, rented property, offices and hotels in Burwash is covered for external mastic, old or new, large or small. Every job comes with our 12-month guarantee. Burwash is one of 289 places in East Sussex we cover. Our Brighton page covers work nearby, about 25 miles away.
Here we cover the TN19 postcode area for external mastic. Whether your property is on High Street, Rother View and Hoppers Croft Lane or a nearby road, our applicators can take on the job. Other places close to Burwash include Burwash Weald (2 miles south-west), Burwash Common (2 miles south-west), Wood's Corner (4 miles south), Dallington (4 miles south) and Punnett's Town (4 miles south-west). Within a short drive, we also cover Eastbourne (15 miles south), Hastings (12 miles south-east), Bexhill-on-Sea (11 miles south), Hailsham (11 miles south-west), Crowborough (10 miles west) and St Leonards (12 miles south-east).
What’s near Burwash
Typical jobs here are in homes near The Admiral Vernon Public House and the streets around them. The nearest railway station is Stonegate station, roughly 1.8 miles north-west. Well-known places in the area include Ticehurst House Hospital (3.5 miles north) and Old Castle (3.9 miles south-west). Open spaces near Burwash include Bewl Water.
Different surfaces, different methods
Joints between dissimilar materials
Wherever two materials meet, they move differently. We seal the joint with a flexible exterior sealant so the movement is taken up.
Cladding and façade panels
Panels heat up and cool down quickly, so the joint sealant has to cope with frequent movement. The sealant is chosen with that in mind.