Kent · England
Lewson Street External Mastic
Professional external mastic in and around Lewson Street, with old sealant always removed completely.
- Cracked joints where brick meets render or frames
- Joints with sealant missing in places
- Damp patches traced to an open external joint
About our external mastic in Lewson Street
For buildings in Lewson Street, we reseal external joints of all kinds, from brick movement joints to cladding panels. Every joint gets the same careful preparation: clean joint faces and the right depth. We are often asked to deal with failed seals between different materials and rigid filler in a joint that should flex, on façade panels, brickwork movement joints and render & cladding joints.
External sealant needs dry, clean surfaces, so work around Lewson Street is planned for dry weather. Let us know about access to every wall, plus any garages or outbuildings.
A one-year guarantee comes with the work, just as it does everywhere we cover.
- Place
- Lewson Street (ME9)
- Region
- Kent
- Guarantee
- One year on every job
- Price
- Quoted before any work starts
- Call
- 0345 464 0079
- Last updated
- 26 October 2026
What happens if it’s left?
Mortar or ordinary filler might look like a quick way to close an open joint, but it stops the joint moving. The wall then cracks somewhere else. The correct repair is a flexible sealant with the right backing. In a small place like Lewson Street, homes can be exposed to wind and rain, which finds any gap, and older walls, once damp, take a long time to dry.
No two jobs are quite the same, so we quote each one individually. Size, access and the product the joint needs all make a difference, and we will explain the quote if you ask.
Why us?
- Trusted Arbo and Everbuild sealants
- Anti-fungal sanitary silicone in wet areas
- More than 20 years in sealant work
- An ARBOMaster approved applicator
Lewson Street buildings and the weather
Lewson Street is close to the coast, and homes near the sea take more wind-driven rain, with salt in the air closer to the shore. That’s hard on movement joints and outside wall joints, especially on the side facing the sea. Compared with the north and west, the South East gets less rain, yet outdoor joints still have to be sealed dry, so jobs are booked with the weather in mind.
Homes close to Church of St Mary include some older properties, and the joints between older walls, newer extensions and the roofline need a sealant that can move. Letting a property close to Teynham station? Then split movement joints are easy to miss on a rental until damp shows inside.
Lewson Street is about 3 miles west of Faversham, in Kent. Jobs in Lewson Street get the same care as everywhere else we work: old sealant removed completely, careful preparation and a 12-month guarantee. Our area takes in 922 places across Kent, large and small. For nearby work, see our Chelmsford page.
Here we cover the ME9 postcode area for external mastic. Whether your property is on World's End, Lewson Street Road and Norton Road or a nearby road, our applicators can take on the job. We also cover the places around Lewson Street: Tickham (1 mile south-west), Norton Ash (1 mile north-east), Loyterton (1 mile south-west), Deerton Street (1 mile north-east) and Teynham (1 mile north-west). Within a short drive, we also cover Maidstone (13 miles west), Ashford (12 miles south), Canterbury (12 miles east), Sittingbourne (4 miles north-west), Whitstable (10 miles east) and Faversham (3 miles east).
Around Lewson Street
Typical jobs here are in homes near The Plough Inn. The closest station to Lewson Street is Teynham station, roughly 1.3 miles north-west. Other landmarks nearby include Sittingbourne Heritage Museum (3.6 miles north-west) and Newnham Castle (2.2 miles south).
Common problems we fix in Lewson Street
UV, rain and frost all age exterior sealant. Over the years it hardens, cracks on the surface and loses its give, so the joint eventually tears or comes away from one side.
Look out for these signs:
- Old sealant gone brittle and cracked
- Sealant pulling away from one side of the joint
- Failed sealant between panels on a façade
- Movement joints with cracked, split or missing sealant
If you look after a building such as Teynham Parochial Church of England Primary School, larger buildings have long runs of movement joint that eventually need resealing.
What your quote should include
- What the cure time is
- How the colour is chosen
- Whether all the old sealant comes out first
- How much experience the applicator has
How to look after the new joints
Aftercare is simple:
- Show decorators and builders where the movement joints are
- Keep high-pressure jets off the joints
- Walk round the building once a year and look at the joints
- Make sure movement joints aren’t pointed over
Have a quick look at the joints each spring. Watch for splits, edges coming away or growth in the joint.
An open movement joint lets rain into the wall every time it pours. That can lead to damp patches, staining and frost damage which cost more to put right than the joint.
The process
On the day, there’s very little for you to do. Point us to the joints and we’ll get on with it. The job generally takes a few hours to a few days, depending on the length of joint and the access from start to finish. Somewhere like Lewson Street needs a little journey planning: let us know about lanes, gates and parking. 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.
- The old mastic and anything lodged in the joint is removed.
- We clean both faces of the joint and prime them where the product calls for it.
- We push in closed-cell backing rod so the sealant is the right depth and bonds to the sides only.
- The new sealant, chosen to suit the brick or render, is applied and tooled to a neat finish.
Getting ready for the visit
- Keep children and pets away from the work area
- Tell us about any previous sealing or DIY attempts
- Clear the area around the work
Getting a quote
Quotes start with a quick conversation. Describe the problem, the location and the size of the job, and we’ll explain how we’d tackle it. When it suits you, phone 0345 464 0079 or email us.
Related advice
How the job changes by surface
Concrete and blockwork
Concrete and block walls shrink as they dry and move with temperature. We reseal their joints with backing rod and a flexible product.
Render joints
Cracks along render joints let water in behind the coat. Resealing the joints early keeps water out and protects the render itself.
Lewson Street questions
Do you cover smaller places like Lewson Street?
Yes. Lewson Street is within the area we cover, which takes in towns, villages and rural addresses. Our work covers London and the South East. Let us know about access, parking and anything unusual about getting there when you book.
I let a flat near Teynham station. Can you help?
Yes, rental work is part of what we do. Just call 0345 464 0079 or send us an email and tell us about the property, and we’ll give you a clear price.
Do you have insurance?
Yes. Mr Mastic is fully insured, with over 20 years’ experience in sealant work.
Is it messy?
No. We protect the surfaces around the joints, and we tidy up before we go.
Is there a guarantee?
Yes: twelve months. If anything isn’t right with the work within the year, let us know and we’ll sort it.
Can a movement joint be filled with mortar?
No, not if it’s a movement joint. Filling it with mortar defeats its purpose and can lead to cracking. We will reseal it with a flexible sealant.
Is it worth trying 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.
How long will you be here?
That depends on how much there is to do, but as a guide it takes a few hours to a few days, depending on the length of joint and the access. We will tell you when we quote.
Places near Lewson Street
Other services in Lewson Street
What affects the quote in Lewson Street
The quote reflects the job in front of us. We take into account:
- How many rooms, windows or areas are involved
- Working hours on commercial sites
- The type of sealant required
- Any mould that needs treating
The cost reflects the work involved, not guesswork. That is why we ask a few questions first.
What to tell us for a quote
The more you tell us, the more accurate the quote. When you ask for a quote, tell us:
- What the problem is, such as mould, gaps, leaks or cracking
- Where the job is, and your postcode
- Whether it’s a home or a business
- Photos by email, if that’s easy
We quote each job on its own, so start by telling us what you need. Simply call 0345 464 0079 or email us and describe the job.
For landlords and businesses
Hotels need rooms back in use, so we plan the work room by room around your bookings where we can. Hotel work is part of what we do, alongside homes and businesses.
We regularly work with letting and managing agents. Send the address, what’s needed and the access arrangements and we’ll give you a quote.