West Sussex · England

External & façade joints in Westmeston, West Sussex

Problem with your movement joints in Westmeston? We remove the old material, prepare the joints and seal them properly, and the work is guaranteed for a year.

  • Moss and dirt in joints with no sealant left
  • Water getting into walls through failed joints
  • Joints with sealant missing in places

Trusted external mastic in Westmeston

The process

A visit follows a simple pattern: we check the joints, mask and protect the surrounding surfaces, do the work and tidy away. It normally takes a few hours for a handful of joints, longer for a whole elevation. For a village or hamlet like Westmeston, the journey is planned in advance: let us know about lanes, gates and parking. Everything for the job comes with us, so a second trip is avoided where possible.

  1. First, the joints are inspected and the access agreed.
  2. We cut out the old mastic and rake out anything in the joint.
  3. The faces are brushed clean and primed where the product requires it.
  4. Backing rod sized to the joint goes in to set the depth.
  5. We apply the sealant, tool it and check the whole run.

Getting ready for the visit

  • Keep children and pets away from the work area
  • Tell us about any water getting in
  • Let us know about stairs, lifts or work at height

Getting a quote

It all starts with a short chat. Tell us what’s wrong, where it is and how much there is. Whenever you’re ready, ring 0345 464 0079 or send us an email.

Ask for a quote

Related advice

External mastic in Westmeston

Joints in render and cladding are easy to overlook until a damp patch appears. We inspect them, agree which need doing and reseal with a weatherproof, flexible sealant in a matching colour. If you’re dealing with rigid filler in a joint that should flex and movement joints with cracked, split or missing sealant, we can help, on joints between brick and frames, render & cladding joints and concrete & block alike.

In a village or hamlet like Westmeston, older cottages and farm buildings often stand in the open, where walls and rooflines take the weather head on. Gutter joints and wall joints there need a sealant that can flex and stay put.

All of our work is guaranteed for twelve months, and the guarantee is the same wherever you are.

Outdoor mastic being applied where a white frame meets red brickwork, below the fascia and gutter
Place
Westmeston (BN6)
Region
West Sussex
Cover
12 months on all our work
Quotes
Quoted before any work starts
Phone
0345 464 0079
Page updated
26 October 2026

When to call us in Westmeston

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.

Most people get in touch when they notice something like this:

  • Damp patches traced to an open external joint
  • Joints where the bead has come unstuck
  • Rigid filler in a joint that should flex
  • Failed sealant between panels on a façade

In the older streets around The Parish Church of St Martin, the joints between older walls, newer extensions and the roofline need a sealant that can move.

Before you book anyone

  • The length of the guarantee
  • How the surfaces are prepared before sealing
  • Are they insured?
  • What happens if the job turns out different

Our hiring checklist

Common questions in Westmeston

Do you work for landlords with property near Hassocks station?

Yes, rental work is part of what we do. You can ring 0345 464 0079 or drop us an email with the address and a few details, and we will give you a fixed price before any work starts.

Can you do external mastic in Westmeston?

Yes, Westmeston is within the area we cover. We work across London and the South East. Just phone 0345 464 0079 or email us with a few details of the job.

Should I point up the gap in my brickwork?

No, not if it’s a movement joint. Filling it with mortar defeats its purpose, and the wall may crack nearby. A flexible sealant is the right fill.

What do you put in the joint?

Products from Arbo and Everbuild, among others, chosen to suit the joint. We’ll tell you what we’re using and why.

What information do you need?

The location, the problem and the rough size of the job. If you can, email a few photos.

Do you hold any approvals?

Yes. Mr Mastic is an ARBOMaster approved applicator, and we are fully insured.

How do I get a quote for external mastic in Westmeston?

Size, access and the old material all affect the cost. Ask us for a quote and we will talk you through it.

Can you reach joints on upper floors?

It depends on the building. Send us pictures and a rough idea of the height.

Leave it or put it right?

Sealing over the top of old mastic does not hold for long. New sealant doesn’t bond well to old, weathered sealant, so the old joint is cut out fully first. Older cottages and farmhouses around Westmeston can have timber floors and frames, and water through a failed joint can rot timber if it’s left.

Doing several joints on one visit is normally more efficient than separate visits, so tell us about everything that needs sealing. We will give you a clear quote for the lot.

Why choose Mr Mastic in Westmeston

  • Anti-fungal silicone where joints get wet
  • We leave the area clean and tidy
  • 12-month guarantee on every job
  • 4.9 on Google from 180+ five-star reviews

See our cost guide or customer reviews.

Westmeston buildings and the weather

Compared with the north and west, the South East gets less rain, but outside sealant still needs a dry, clean surface, so outdoor work is planned around the forecast. Historic houses like Preston Manor & Gardens (about 4.9 miles south-west) are a reminder that the area around Westmeston has older buildings as well as new. Where a home is older, older walls and rooflines need a sealant that moves with them and suits the material.

For site and facilities teams at buildings such as Ditchling (St Margaret's) Church of England Primary School, its movement joints, gutters and trims need looking after like any other building’s. For landlords with property near Hassocks station, failed wall and movement joints let damp in, so they’re worth checking between tenancies.

Westmeston is about 4 miles south of Burgess Hill, in West Sussex. Our applicators cover external mastic for householders, landlords and businesses in Westmeston. 371 places in West Sussex are on our list.

Here we cover the BN6 postcode area for external mastic. Nearby, we also carry out external mastic in Ditchling (1 mile north), Keymer (2 miles north-west), Clayton (2 miles west), Hassocks (2 miles north-west) and Hurst Wickham (3 miles north-west). Within a short drive, we also cover Crawley (14 miles north), Horsham (14 miles north-west), Worthing (14 miles south-west), Haywards Heath (6 miles north), Shoreham-by-Sea (9 miles south-west) and Lancing (11 miles south-west).

What’s near Westmeston

Locally, jobs take us to homes and businesses close to The Bull Hotel and Downlands Community School and the streets around them. For rail, the closest station is Hassocks station, roughly 2.1 miles north-west. A little further out are Clayton Castle (1.7 miles west) and The Dene Hospital (4.7 miles north-west). Not far away are Ditchling Beacon and Ladies Mile.

Map of Westmeston © OpenStreetMap contributors

What we cannot put right

In fairness, some problems need a different trade:

  • Walls that need new movement joints cut into them
  • Render that’s blown, hollow or coming away
  • Damp that isn’t coming from the joint

If you’re not sure, just ring 0345 464 0079 or email us and we will give you a straight answer.

Joints and surfaces we work on

  • Concrete & block
  • Copings & trims
  • Render & cladding joints
  • Brickwork movement joints
  • Joints between brick and frames
  • Façade panels

Different surfaces, different methods

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.

Copings and trims

A failed coping joint lets water into the top of the wall. Resealing them is a small job that protects a lot.

Landlords, agents and businesses in Westmeston

From a single let to a portfolio, the work is the same standard: old sealant fully removed, joints prepared properly and a one-year guarantee.

For anyone letting property in or around Westmeston, several properties can be quoted together. Send us the addresses and the work at each.

DIY sealant or a professional job?

Sealing over old silicone is the commonest DIY error. New silicone won’t bond to old, so it lifts and traps water and mould underneath. All the old material has to come out first.

A DIY attempt doesn’t rule out a professional job. We remove it and do the joint properly, so just mention it when you contact us.

20+ yearsMastic and sealant specialists
ARBOMaster approvedApproved applicator for Arbo sealants
Fully insuredDomestic, commercial and hotels
One-year guaranteeOn every job