East Sussex · England
External & façade joints in Argos Hill, East Sussex
External mastic for Argos Hill, by sealant specialists with 20+ years’ experience. Rated 4.9 on Google from 180+ five-star reviews.
- Sealant that has lost its bond to the brick or render
- Brick movement joints where the sealant has split
- Damp patches traced to an open external joint
Argos Hill buildings and the weather
London and the South East are among the drier parts of the UK, but outside sealant still needs a dry, clean surface, so outdoor work is planned around the forecast. With historic houses such as Wadhurst Castle (about 4.4 miles north-east) nearby, there’s older building stock in the area around Argos Hill as well as newer homes. In older buildings, older brick and stone need a sealant that suits them, at the right joint depth.
Letting a property close to Crowborough station? Then split movement joints are easy to miss on a rental until damp shows inside. If you live in an older home near The Parish Church of St Denys, an extension built onto an older house moves differently, and the joint between them takes the strain.
Argos Hill is about 3 miles east of Crowborough, in East Sussex. For external mastic in and around Argos Hill, please ring 0345 464 0079 or send us an email for a quick quote. We are based in Crawley and cover East Sussex, Argos Hill included. Our area takes in 289 places across East Sussex. Crawley is on our list too, around 19 miles away.
We cover every part of the TN6 postcode area for external mastic and the streets around it. Nearby, we also carry out external mastic in High Cross (1 mile west), Town Row (1 mile north), Rotherfield (1 mile north-west), Woolbridge (1 mile south) and Mayfield (1 mile south-east). Further out, we also cover Lewes (15 miles south-west), Hailsham (12 miles south), Crowborough (3 miles west), Uckfield (8 miles south-west), Polegate (15 miles south) and South Malling (15 miles south-west).
What’s near Argos Hill
We work in homes and buildings around Jameah Islameah School and the streets around them. Argos Hill’s nearest station is Crowborough station, roughly 2.3 miles west. Other landmarks nearby include Crowborough War Memorial Hospital (3.7 miles west). The countryside around Argos Hill includes Crowborough Country Park.
About our external mastic in Argos Hill
Failed sealant is cut out, the depth set with closed-cell backing rod, and the joint resealed with a low-modulus sealant made for outside. We pick a colour that sits well with the wall. If you have water getting into walls through failed joints and sealant that has lost its bond to the brick or render, we can put it right, on render & cladding joints, copings & trims and joints between brick and frames alike.
Older homes in small places like Argos Hill may be stone, brick or timber-framed, often with later extensions. The joints where those materials meet are the weak points, and they need the right sealant at the right depth.
There’s a 12-month guarantee on every job.
- Place
- Argos Hill (TN6)
- Wider area
- East Sussex
- Guarantee
- 12 months on all our work
- Price
- A clear price before any work starts
- Phone
- 0345 464 0079
- Page updated
- 26 October 2026

Towns and villages near Argos Hill
What else we do in Argos Hill
When it isn’t the sealant
We will not take on work that will not last, so these are the limits:
- Walls that need new movement joints cut into them
- Cracking across the wall rather than at a joint
- Damp from another source, such as a leaking gutter or a bridged damp-proof course
If in doubt, phone 0345 464 0079 or send us an email and we’ll say what we think.
What we seal
- Brickwork movement joints
- Joints between brick and frames
- Façade panels
- Copings & trims
- Render & cladding joints
- Concrete & block
Quotes for external mastic in Argos Hill
Every job gets its own quote. These are the things that affect it:
- How many areas need sealing
- Whether the work is at height
- When we can work, for business premises
- Whether old sealant or filler has to be cut out
Doing several joints on one visit normally makes better use of the time than several visits, so tell us about everything that needs sealing. You will get one clear quote for the whole job.
What to tell us for a quote
A few details help us give you an accurate quote. When you ask for a quote, tell us:
- The rough size of the job
- A few pictures by email, if you can
- Where the property is
- How we’d reach the joints
It all starts with a short chat. Describe the problem, the location and the size of the job. When it suits you, phone 0345 464 0079 or drop us an email.
What happens if it’s left?
An open joint keeps letting water into the wall with every downpour. In cold weather, frost can damage wet brick and render around the joint, so the problem grows beyond the joint itself. Around Argos Hill, older homes often have timber in their floors and frames, and water through a failed joint can rot timber if it’s left.
There are no prices on our website, because each job is priced on what it involves. For a quick quote, please call 0345 464 0079 or send us an email.
Why us?
- We are fully insured
- Quality sealants from Arbo and Everbuild
- Approved under the ARBOMaster scheme
- Sanitary silicone with an anti-fungal additive in wet areas
Take a look at what affects the cost or customer reviews.
What happens on the day
When we get to you, we compare the joints with what we discussed. If anything is different, we explain it before carrying on. After that, the work takes a few hours for a handful of joints, longer for a whole elevation. Somewhere as small as Argos Hill, access is often the only tricky part. If the job is outside, mention outbuildings, exposed walls and how to reach them.
- We look at every joint and agree a colour to suit the wall.
- Failed sealant is removed back to clean, sound faces.
- Closed-cell backing rod is pushed in so the sealant bonds to two sides only.
- Primer is applied wherever the sealant needs it.
- We gun in low-modulus sealant and tool it neatly.
Getting ready for the visit
- Mention any leaks or damp you’ve noticed
- Mention any sign-in or site rules at work premises
- Keep pets and children clear of the area while we work
Ask for a quote
The more we know about the job, the more useful the quote. Tell us where the job is, what’s wrong and how much there is, and add pictures by email if you can.
Read more
For landlords and businesses
Letting agents often deal with us directly. Send the address, what’s needed and the access arrangements and we’ll give you a quote.
For anyone letting property in or around Argos Hill, jobs at different addresses can go on one quote. Send us the addresses and the work at each, and photos by email help.
Signs you need external mastic in Argos Hill
Weeds, moss and debris in a joint are a sign the sealant has gone. Roots and dirt hold water against the wall and make things worse.
Look out for these signs:
- Gaps where render, brick and frames meet
- Weathered mastic that no longer stretches
- Weeds or debris growing in open joints
- Leaking joints around cladding and façade panels
If you look after a building such as Rotherfield Primary School, larger buildings have long runs of movement joint that eventually need resealing.
Before booking anyone
- How the colour is chosen
- When the joint can take water or movement
- Whether they’re fully insured
- Whether all the old sealant comes out first
How the job changes by surface
Concrete and blockwork
Concrete faces can be dusty and porous, so cleaning and priming matter. We prime where the sealant needs it before the bead.
Cladding and façade panels
Panel systems often rely on sealant between and around the panels. We reseal them with a sealant suited to the panel material.
Argos Hill questions
Do you work for landlords with property near Crowborough station?
Yes, rental work is part of what we do. You can ring 0345 464 0079 or email us with the address and a few details, and we’ll give you a fixed price before any work starts.
Do you cover smaller places like Argos Hill?
Yes, we do. Our work covers London and the South East, from towns to the smallest places. The journey is planned ahead, so it helps to know about access.
Why is there a gap in my brick wall?
Walls move with heat, cold and moisture, so long walls have planned gaps to take that movement. The gap is sealed with a flexible sealant over backing rod.
Is the work guaranteed?
Yes, for a year. If there’s a problem with our work in that time, tell us and we’ll put it right.
What sealant do you use?
The product depends on the job: sanitary silicone where it gets wet, and sealants suited to movement or weather elsewhere. Brands we use include Arbo and Everbuild.
How do you reach high-level joints?
It depends on the building. We work on joints that can be reached safely. Give us some details and we will confirm the access.
How long before the joint can be used?
It depends on the product and the conditions. We tell you how long to leave it before we go.
Are you an approved applicator?
Yes. ARBOMaster is the approved applicator scheme for Arbo sealants, and we’re part of it.
