West Sussex · England

External & façade joints in Chichester, West Sussex

Sealing brickwork movement joints, render, cladding and façade joints in Chichester, with a one-year guarantee on every job. Call for a quick quote.

  • Sealant that has lost its bond to the brick or render
  • Movement joints with cracked, split or missing sealant
  • Moss and dirt in joints with no sealant left

External mastic near Chichester

About our external mastic in Chichester

Low-level joints can normally be done from the ground. For joints higher up, give us some details of the building and we will confirm what’s needed to reach them safely. If you are dealing with panel joints letting water in and movement joints with cracked, split or missing sealant, we can put it right, on copings & trims, concrete & block and render & cladding joints alike.

Plenty of homes in a town like Chichester have been extended, and the line where an extension meets the original house is a common leak point. Sealing it properly means the right joint depth and a flexible sealant, not a quick bead.

Every job is covered by our 12-month guarantee, wherever you are in West Sussex.

Location
Chichester (PO19, PO20, PO18, PO10)
Wider area
West Sussex
Cover
A year, on every job
Quotes
A clear price before we start
Telephone
0345 464 0079
Updated
26 October 2026
Applicator reaching up to seal an external door frame on a sunny day

How to look after the new joints

Good habits help new joints last longer. Our tips:

  • Deal with leaking gutters that soak the joints below
  • Avoid pressure-washing directly into sealant joints
  • Make sure movement joints are not pointed over
  • Point out the joints to other trades

Follow the cure time we give you before the joint is knocked or disturbed. The surface skins over quickly, but full cure takes longer.

Act while the splits are small. At that stage it’s a simple cut out and reseal before water has had years to get in.

Work for landlords, hotels and businesses

Whether it’s one flat or a portfolio, you get the same standard of work: the old material taken out, careful preparation and a 12-month guarantee.

In hotels, rooms out of use cost money, 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.

What external mastic looks like in Chichester

With historic houses such as Goodwood House (about 2.7 miles north-east) nearby, there’s older building stock in the area around Chichester as well as newer homes. Where a home is older, older brick and stone need a sealant that suits them, at the right joint depth. The South East is one of the drier parts of the UK, yet outdoor joints still have to be sealed dry, so jobs are booked with the weather in mind.

In the older streets around Church of St Paul, the joints between older walls, newer extensions and the roofline need a sealant that can move. Rented homes near Chichester station change hands often, and split movement joints are easy to miss on a rental until damp shows inside. Schools such as Lancastrian Infant School are buildings too, and movement joints, cladding joints and gutters on larger buildings need the same care as a house’s.

Chichester is about 27 miles east of Southampton, in West Sussex. Every kind of property in Chichester is covered for external mastic, old or new, large or small. The work is guaranteed for a year. Our West Sussex coverage runs to 371 places, and Chichester is one of them. For nearby work, see our Portsmouth page, about 13 miles away.

Work in PO19, PO20, PO18 and PO10 works the same way as everywhere else we cover. Local streets include St Martin's Square, Market Road and Old Market Avenue. You will find Chichester on the A27 and A259, which makes it straightforward to reach. Close by, we work in Portfield (1 mile east), Westhampnett (1 mile north-east), Shopwyke (2 miles east), Maudlin (2 miles north-east) and East Lavant (2 miles north). Further out, we also cover Bognor Regis (5 miles south-east), Selsey (7 miles south), Littlehampton (11 miles east), Emsworth (7 miles west), Rustington (12 miles east) and Storrington (15 miles east). Chichester is among the bigger towns we cover in West Sussex.

Landmarks near Chichester

Around Chichester, our work takes us to homes and buildings near Chichester High School For Girls, George and Dragon Inn and Central C of E Junior School and the streets around them. For rail, the closest station is Chichester station, about 0.6 miles south of the centre. Nearby you’ll also find Novium Museum (within half a mile south) and Chichester Castle (within half a mile east). Open spaces near Chichester include Stoke Down and Kingley Vale National Nature Reserve.

Map of Chichester © OpenStreetMap contributors

What affects the cost of external mastic

There’s no set price list, because jobs vary so much. The quote depends on:

  • How easy the joints are to reach
  • Mould in or behind the old joints
  • The number and length of the joints
  • How much old sealant there is and how hard it is to remove

A failed joint rarely gets cheaper to fix by waiting. If you are not sure whether it needs doing, ring 0345 464 0079 or drop us an email for an honest opinion and a quote.

What we need to know

When you call or email, these details help:

  • Access, such as stairs, a lift or height
  • How many joints, rooms or windows are involved
  • Whether it’s a home or a business
  • Where the job is, and your postcode

Want a quote for external mastic? Please ring 0345 464 0079 or drop us an email with a few details. We will explain what we’d do and give you a clear quote before work begins.

Honest limits

A few problems are outside what sealant work can do:

  • Loose or hollow render, which needs re-rendering
  • Cutting new joints into brickwork, which is building work rather than sealant work
  • Structural movement, which needs a surveyor or engineer

If in doubt, call 0345 464 0079 or drop us an email and we’ll say what we think before booking.

Surfaces we seal

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

How the job changes by surface

Render joints

Render has movement joints and stop beads that need sealing. They’re resealed in a sealant that suits the render.

Copings and trims

Coping joints that leak let water straight down into the wall. Sealing them early saves the wall below.

Why deal with it now?

The longer a joint stays open, the more water the wall takes in. In cold weather, frost can damage wet brick and render, so the problem grows beyond the joint itself. Draughts from a gap round a frame, damp under a sill or water behind a bath panel all start small, and they’re far easier to fix early.

Doing several joints on one visit is usually more efficient than separate visits, so it’s worth mentioning everything you’d like done. You’ll get one clear quote for the whole job.

Why us?

  • Any old sealant cut out fully, not covered over
  • Neat joints and a tidy finish
  • A choice of colours where the product allows
  • Quality sealants from Arbo and Everbuild

Take a look at what affects the cost and our reviews.

What we do, step by step

A visit follows a simple pattern: we look at the joints together, protect the area around them, carry out the job and tidy away. It generally takes anything from a few hours to several days, depending on the building. Parking in a town like Chichester is generally straightforward, but tell us if there’s a driveway or any restrictions, and let us know if the work is upstairs, in a flat or up high outside.

  1. We inspect the joints and agree which need resealing and how they’ll be reached.
  2. We cut out the failed sealant and rake out any dirt or growth.
  3. The joint faces are cleaned and primed where the sealant needs it.
  4. Backing rod goes in next, setting the depth and keeping the sealant off the back of the joint.
  5. A flexible exterior sealant is applied and tooled in a colour to suit the wall.

Getting ready for the visit

  • Mention if the joints have been sealed before
  • Keep children and pets away from the work area
  • Mention any sign-in or site rules at work premises

How to get a quote

It all starts with a short chat. Describe the problem, the location and the size of the job, and we’ll talk you through what we’d do. Whenever you’re ready, phone 0345 464 0079 or email us.

Ask for a quote

Advice

Chichester: your questions answered

Do you work for landlords with property near Chichester station?

Yes, rental work is part of what we do. Just ring 0345 464 0079 or email us and tell us about the property, and we’ll give you a clear price.

What guarantee comes with external mastic in Chichester?

Every job comes with our 12-month guarantee, wherever it is. We are also fully insured and ARBOMaster approved.

Why is there a gap in my brick wall?

It’s a deliberate gap that lets the wall expand and contract without cracking. It should be filled with flexible sealant, never mortar.

Do you do commercial work?

Yes. We have worked for hotels, offices and other businesses.

How long should I leave it?

It depends on the product and the temperature. We tell you how long to leave it before we go.

How often do external joints need resealing?

It depends on the exposure, the movement and the product. Sealant is a maintenance item, so check the joints once a year.

What colours does the sealant come in?

The aim is a neat, even joint in a colour that suits the wall. Colour is agreed with you before we begin, matched as closely as the range allows.

Do you use backing rod?

The foam is closed-cell backing rod. It keeps the sealant at the right depth and bonded to the sides only.

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