West Sussex · England
External Mastic in Wivelsfield Green
External mastic across Wivelsfield Green and nearby, with every bit of old sealant taken out first and a 12-month guarantee.
- Failed sealant between panels on a façade
- Old sealant gone brittle and cracked
- Plants rooting in failed movement joints
External mastic in Wivelsfield Green, done properly
As ARBOMaster approved applicators, we choose exterior sealants to suit the joint and the surfaces. Porous or awkward surfaces are primed where the sealant needs it. Typical jobs include leaking joints around cladding and façade panels and brick movement joints where the sealant has split, on concrete & block, copings & trims and render & cladding joints.
External sealant needs dry, clean surfaces, so work around Wivelsfield Green is planned for dry weather. Tell us about access to all sides of the building, including outbuildings and garages.
Your job is guaranteed for a year, as with all our work.
- Place
- Wivelsfield Green (RH17)
- Region
- West Sussex
- Guarantee
- One year on every job
- Quote
- A clear price before we start
- Phone
- 0345 464 0079
- Last updated
- 26 October 2026
How the job changes by surface
Cladding and façade panels
Panels heat up and cool down quickly, so the joints work hard every day. We choose the product to suit.
Concrete and blockwork
Concrete faces can be dusty and porous, so preparation is key. We prime where the sealant needs it before the bead.
For landlords and businesses
If you manage several properties in or around Wivelsfield Green, jobs at different addresses can be quoted together. Just tell us the addresses and what each one needs, and pictures by email help.
Water getting past a failed joint can damage the building, which is a bigger problem in a rented property. Resealing at the right time is simple maintenance that we can handle for you.
Your questions about external mastic in Wivelsfield Green
Can you do external mastic in Wivelsfield Green?
Yes. Our work covers London and the South East, and Wivelsfield Green is part of that. You can phone 0345 464 0079 or email us and let us know what needs doing, and we’ll give you a clear price.
I let a flat near Wivelsfield station. Can you help?
Yes. We work for landlords and agents as well as householders. You can phone 0345 464 0079 or send us an email with the details for a clear quote.
Do I need to be at home?
Access is agreed with you when the job is booked. Indoors, that generally means someone at home.
Do you work for hotels and businesses?
Yes. We work in offices, washrooms, hotels and other commercial premises. We can talk about working times when we quote.
Where are you based?
We’re based in Crawley, West Sussex, and we work across South East England, London and Scotland.
How long will you be here?
Most jobs take a few hours for a handful of joints, longer for a whole elevation, including the preparation. We’ll confirm how long when we quote.
Do the sealants smell?
There can be a smell while the sealant cures, which fades as it sets. Opening a window helps.
Are you an approved applicator?
Yes. We’re approved under the ARBOMaster scheme, which is run for the Arbo sealant brand.
Common problems we fix in Wivelsfield Green
If plants are growing out of a joint, the sealant has usually failed or was never there. Dirt and roots then trap moisture in the joint and speed up the damage.
The most common problems we see are:
- Panel joints letting water in
- Plants rooting in failed movement joints
- Water getting into walls through failed joints
- Failed seals between different materials
For landlords with property near Wivelsfield station, split movement joints are easy to miss on a rental until damp shows inside.
Comparing quotes
- Whether they’re fully insured
- When the joint can take water or movement
- Whether VAT is included
- Whether you can choose the colour
What external mastic looks like in Wivelsfield Green
The South East is one of the drier parts of the UK, but outside sealant still needs a dry, clean surface, so outdoor work is planned around the forecast. Historic houses like Ockenden Manor (about 4.3 miles north-west) are a reminder that the area around Wivelsfield Green 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.
In the older streets around Ote Hall Chapel, old and new materials meet at the roofline and walls, which is where sealant earns its keep. If you look after a building such as Wivelsfield Primary School, movement joints, cladding joints and gutters on larger buildings need the same care as a house’s.
Wivelsfield Green is about 2 miles east of Burgess Hill, in West Sussex. For external mastic in and around Wivelsfield Green, please ring 0345 464 0079 or email us for a quick quote. We’re based in Crawley and cover West Sussex, Wivelsfield Green included. Across West Sussex, we cover 371 places, Wivelsfield Green among them. You can also see our page for Brighton, roughly 9 miles from Wivelsfield Green.
Work in RH17 works the same way as everywhere else we cover. Local streets include Downsview Drive, Allwood Crescent and Farncombe Close. Nearby, we also carry out external mastic in Wivelsfield (1 mile west), Ditchling Common (2 miles south-west), Plumpton Green (2 miles south), Scaynes Hill (2 miles north) and North Chailey (2 miles east). Within a short drive, we also cover Crawley (11 miles north-west), Horsham (13 miles north-west), Haywards Heath (3 miles north-west), East Grinstead (12 miles north), Shoreham-by-Sea (12 miles south-west) and Lancing (14 miles south-west).
Near you in Wivelsfield Green
We work in homes and buildings around The Cock Inn and the streets around them. Wivelsfield Green’s nearest station is Wivelsfield station, about 2.1 miles west of the centre. Other landmarks nearby include Burgess Hill Museum (2.5 miles west) and Clayton Castle (4.9 miles south-west). The countryside around Wivelsfield Green includes Ditchling Beacon and Bedelands Farm Nature Reserve.
DIY sealant or a professional job?
What a professional job adds is preparation and the right product. We take joints back to clean, dry surfaces, and the sealant is chosen for how the joint moves and where it is, then guaranteed for a year.
Overfilling a joint is a classic DIY mistake. A heavy bead looks messy and copes badly with movement, and the joint depth matters as much as the finish.
Places near Wivelsfield Green
Other services in Wivelsfield Green
How it works
The work is kept neat and contained to the area we’re working on, so you can carry on as normal. The job generally takes a few hours to a few days, depending on the length of joint and the access, and we tell you how long to leave it before we go. In a small place like Wivelsfield Green, access is generally the main thing to plan. For outside work, also let us know about exposed walls and any outbuildings involved.
- We look at every joint and agree a colour to suit the wall.
- Failed sealant is removed back to clean, sound faces.
- Backing rod goes in so the sealant can stretch between the two faces.
- We prime the faces where required.
- We gun in low-modulus sealant and tool it neatly.
Before we arrive
- Let us know about earlier repairs to the joints
- Tell us about access, such as stairs, a lift or high-level joints
- Clear the area around the work
How to get a quote
Quotes start with a quick conversation. Tell us what’s wrong, where it is and how much there is, and we’ll explain how we’d tackle it. Whenever you are ready, ring 0345 464 0079 or email us.
Advice
What happens if it’s left?
The longer a joint stays open, the more water the wall takes in. In cold weather, frost can damage wet brick and render around the joint, so the damage spreads beyond the joint. Where a wall is exposed, as many are in small places like Wivelsfield Green, wind-driven rain gets into any failed joint, and damp in older walls is slow to dry out.
Commercial jobs are quoted on the same basis as homes: the amount of work, how we reach it and what it needs, plus any working-time requirements on site. Call for a quick quote and we’ll go through it with you.
Why choose Mr Mastic in Wivelsfield Green
- Tidy, careful work
- Quality sealants from Arbo and Everbuild
- ARBOMaster approved applicator
- Experience in homes, commercial sites and hotels
Take a look at what affects the cost or our reviews.
What affects the quote in Wivelsfield Green
We do not publish a price list, because jobs vary so much. The quote depends on:
- The size of the job
- The product the joint needs
- Mould in or behind the old joints
- Whether old sealant or filler has to be cut out
Doing several joints on one visit usually makes better use of the time than several visits. You’ll get one clear quote for the whole job.
What we need to know
When you contact us, it’s useful to know:
- Any previous sealing or DIY work
- The type of property
- Roughly how big the job is
- A few pictures by email, if you can
Asking for a quote is easy: let us know the job and the location and its rough size. Photos by email help us understand the job.