Kent · England
External & façade joints in Hythe, Kent
Sealing brickwork movement joints, render, cladding and façade joints for Hythe, backed by a one-year guarantee. Ask us for a quote.
- Failed sealant between panels on a façade
- Joints with sealant missing in places
- Sealant pulling away from one side of the joint
About our external mastic in Hythe
We are ARBOMaster approved applicators, and each external joint gets a sealant suited to it. Porous or awkward surfaces are primed where the sealant needs it. We are often asked to deal with panel joints letting water in and cracked joints where brick meets render or frames, on concrete & block, copings & trims and brickwork movement joints.
Around Hythe, outside jobs take in garage door frames, porches, gutters and trims as well as walls. Where two materials meet, they move differently, and the sealant has to allow for it.
We stand behind the work with a one-year guarantee.
- Where
- Hythe (CT21)
- Region
- Kent
- Cover
- 12 months on all our work
- Quote
- Quoted before any work starts
- Call
- 0345 464 0079
- Page updated
- 26 October 2026
What we do, step by step
We keep the work tidy and contained to the joints we’re treating, so you can get on with your day. Expect the work to take anything from a few hours to several days, depending on the building, and we tell you how long to leave it before we go. For a job in Hythe, we need access to where the work is and somewhere nearby to park. If the job is outside, mention gates, side access and anything above ground floor.
- 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.
How to prepare
- Mention any tricky access
- On commercial sites, let us know about site rules
- Mention if the joints have been sealed before
Getting a quote
For a quote, ring 0345 464 0079 or drop us an email with the location and a short description of the problem. We’ll give you a clear price before any work starts.
Advice
Why deal with it now?
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. Around Hythe, failed sealant lets water into hidden places, like the floor under a bath, the back of a panel or the inside of a wall. Left alone, that means rot, damp and a bigger repair.
The cost reflects the work involved, not guesswork. That’s why we ask a few questions first and agree the price before starting.
Why book with us
- We agree the colour with you first
- Approved under the ARBOMaster scheme
- Old sealant always removed completely
- Domestic, commercial and hotel work
Read what affects the cost and our reviews.
Keeping the joints in good condition
Joint life depends on how it’s used and looked after. Here’s what we suggest:
- Check the sealant is paintable before painting near it
- Check external joints each spring
- Wash walls gently around the sealant
- Have failed joints looked at early
If you have more work done on the wall, such as new render, cladding or an opening, show the contractor the movement joints. They must stay as flexible joints, never rendered or pointed over.
An open movement joint lets rain into the wall every time it pours. Over time it can mean damp inside, stained render or frost-damaged brick which cost more to put right than the joint.
Common questions in Hythe
Do you cover Hythe for external mastic?
Yes. We work across London and the South East, and Hythe is part of that. Just ring 0345 464 0079 or send us an email with a few details of the job, and we’ll give you a clear quote.
Can you help a landlord with a rental near Sandling station?
Yes, landlords and agents are among the people we work for. Just call 0345 464 0079 or drop us an email with the address and what needs doing, and we’ll give you a clear quote.
What sealant do you use?
Quality sealants from brands including Arbo and Everbuild, picked for each joint. We will tell you what we’re using and why.
Where do you work from?
Our base is Crawley. We work across South East England, London and Scotland.
Can you seal joints between render and window frames?
Yes. Materials like render, brick, metal and uPVC all move differently, so a flexible sealant is needed where they meet. The sealant is matched to both sides.
Should I point up the gap in my brickwork?
No. A mortar-filled joint can’t move, so the wall cracks somewhere else instead. Use a flexible sealant with backing rod.
Do you have insurance?
Yes. Full insurance covers our work, and we can confirm the details when we quote.
Can you reach joints on upper floors?
Each building is different. Send us pictures and a rough idea of the height and we will confirm how they can be reached safely.
Signs you need external mastic in Hythe
Every building moves. Brickwork grows a little over the years, blockwork and concrete shrink, and all of it moves with heat and moisture. The sealant in the movement joints takes that strain.
Keep an eye out for any of the following:
- Water getting into walls through failed joints
- Leaking joints around cladding and façade panels
- Brick movement joints where the sealant has split
- Weeds or debris growing in open joints
For an older house near a landmark such as Church of St Michael and All Angels, old and new materials meet at the roofline and walls, which is where sealant earns its keep.
Comparing quotes
- How long the guarantee is
- What product goes in the joint
- Whether you can choose the colour
- What happens if the job turns out different
Nearby places to Hythe
More services for Hythe
DIY versus a professional finish
The difference is mostly in the preparation and the product. We take joints back to clean, dry surfaces, and the sealant is chosen for how the joint moves and where it is.
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.
What external mastic looks like in Hythe
Hythe is within about 1 mile of the coast, and homes near the sea take more wind-driven rain, with salt in the air closer to the shore. Both are hard on movement joints and outside wall joints, which can dry out and crack sooner where a building faces the weather. With historic houses such as Westenhanger Castle (about 2.7 miles north-west) nearby, there’s older building stock in the area around Hythe as well as newer homes. In older buildings, older brick and stone need a sealant that suits them, at the right joint depth.
Schools such as Hythe Bay CofE Primary School are buildings too, and movement joints, cladding joints and gutters on larger buildings need the same care as a house’s. If you let a flat or house near Sandling station, split movement joints are easy to miss on a rental until damp shows inside.
Hythe is about 4 miles west of Folkestone, in Kent. Hythe gets the same service as everywhere we cover: the old material taken out, joints prepared properly and a 12-month guarantee. Across Kent, we cover 922 places, Hythe among them. For nearby work, see our Chelmsford page, about 53 miles away.
We work across the CT21 postcode area for external mastic. Streets in the area include High Street, Church Road and Station Road, all of which we cover. With the A259 and A261 close by, Hythe is easy for our applicators to reach for external mastic. If you’re just outside Hythe, we cover Saltwood (1 mile north), Sandling (1 mile north-west), Pedlinge (1 mile north-west), Palmarsh (2 miles south-west) and West Hythe (2 miles west). Further out, we also cover Ashford (10 miles north-west), Canterbury (14 miles north), Dover (11 miles north-east), Folkestone (4 miles east), Tower Hamlets (10 miles north-east) and Hawkinge (4 miles north-east).
Around Hythe
Locally, jobs take us to homes and businesses close to Oaklands Park, Red Lion Public House and Brockhill Park Performing Arts College, among other places. The nearest railway station is Sandling station, roughly 1.4 miles north-west. Nearby you will also find Saltwood Castle (0.7 miles north) and Royal Victoria Hospital (4.1 miles east). The countryside around Hythe includes Tolsford Hill.
Different surfaces, different methods
Concrete and blockwork
Concrete and block walls shrink as they dry and move with temperature. Their movement joints are sealed over backing rod with a flexible sealant.
Copings and trims
Copings expand and contract through the day, so a flexible sealant suits them best year round.
How we quote for external mastic
We don’t publish a price list, because no two jobs are the same. What we look at:
- The number of rooms or windows
- Whether the work is at height
- The old material and how stubborn it is
- The type of sealant required
Instead of a standard rate, we look at what your job involves: how many joints, what’s in them now and how we reach them. The price is agreed before we begin.
Helping us quote
To make quoting easier, let us know:
- How many joints, rooms or windows are involved
- If it’s domestic, commercial or a hotel
- Photos by email, if that is easy
- Whether it has been sealed before
Quotes start with a quick conversation. Tell us what’s wrong, where it is and how much there is, and we will explain how we’d tackle it. Whenever you’re ready, ring 0345 464 0079 or email us.