The Mastic Doctor team standing beside their branded vans outside an office building
West Sussex · England

West Wittering facade sealing

Facade joint and window perimeter sealing on commercial buildings in West Wittering and across West Sussex. CHAS accredited and fully insured, with a 12-month guarantee.

  • Discoloured or dirty facade joints
  • Facade joints cracked through the middle
  • Leaks at window and door perimeters
1
Send details
Tell us about the site, with photos if you have them.
2
Get a quote
One fixed quote covering the agreed scope.
3
We seal
CSCS-carded applicators, the right product for each joint.
4
Guaranteed
Our workmanship is guaranteed for 12 months.
South East, London & Scotland
CHAS & Constructionline
Fully insured: £5m PL

Facade sealing across West Wittering

Share the site address and what’s failing, and we’ll reply with a fixed quote or arrange a visit.

Why deal with it now?

Open facade joints also let air and dirt through: occupants notice draughts and cold spots around windows. Resealing deals with the draught as well as the leak. Halls, stores and units around places like West Wittering may not be checked every day, so a failed joint can leak for a while before anyone sees it. Resealing early avoids that.

There’s no price list, because the scope varies so much from one building to the next. Call for a quote.

What you get with us

  • CHAS accredited contractor
  • Coloured sealants to suit the setting, where available
  • Old sealant cut out, never sealed over
  • One number for every site we cover

Take a look at how commercial sealant jobs are priced or our accreditations and insurance.

How we handle facade sealing in West Wittering

Installing framed glazing systems isn’t part of our work. What we seal are the joints around them: the frame-to-structure perimeter, panel-to-panel joints and window and door surrounds. If you have perimeter sealant that has split or peeled away and leaks at window and door perimeters, we can put it right, on perimeter joints where frames meet the structure, coping and flashing joints and window and door perimeters alike. Facilities teams, main contractors and managing agents in West Wittering tend to want the same three things: a clear scope, tidy work and joints that don’t fail again.

Around smaller places like West Wittering, building work typically means conversions of farm buildings, a few new houses or an extension to a hall or school. Each still needs a proper mastic package: window perimeters, facade joints and internal sealant to the specification.

Work we carry out comes with a 12-month guarantee. If an installation problem shows up, ring 01277 525 020 or email the details over and we’ll arrange a return visit.

Where
West Wittering (PO20)
Wider area
West Sussex
Cover
12 months on every job
Quotes
A fixed quote before we start
Telephone
01277 525 020
Last updated
3 November 2026
The Mastic Doctor team beside their liveried vans in front of an office building

West Wittering: questions and answers

Does a coastal location like West Wittering affect which sealant is used?

It can, yes: buildings near the sea take more wind-driven rain, and salt in the air nearer the shore. We check the specified product suits the exposure and pay close attention to preparation.

Can the mastic package for our job in West Wittering follow the site programme?

Yes, we work to the programme and the sequence the site sets. We’re CHAS accredited and a Constructionline member, and paperwork such as RAMS is confirmed with the quote.

Do you take on multi-site work?

Yes. We take on portfolio and planned maintenance work, with each site phased to suit its occupants.

Do you run new sealant over the existing bead?

No. Fresh silicone won’t grip cured silicone, so the existing bead is removed entirely. Nothing else gives a bond that lasts.

Do you seal facades in winter?

Wet joints or temperatures outside the product’s range mean waiting. We plan for weather and keep you updated as the work goes on.

Which sealant do you use on facades?

Most facade and window perimeter joints take a low-modulus neutral-cure silicone. Some joints call for hybrid, PU or polysulphide instead.

Are you CHAS accredited?

Yes. CHAS accredited, Constructionline member, and our applicators hold CSCS cards.

How the quote is worked out

What shapes the price:

  • Travel to remote or island sites
  • Whether old sealant has to be cut out first
  • Access and working height
  • Induction, permit and paperwork requirements

Every site prices differently: joint size, product, access and site hours all play a part. Send the details and a fixed figure follows.

Details that help us quote

A few photographs plus some basic facts will normally do. It helps to include:

  • The product your specification calls for
  • When you need the work done
  • The postcode of the building
  • Access details, including height

If there’s a specification, drawings or a tender package, send it with your enquiry, and we will price against exactly what is specified. Smaller jobs need nothing more than photos and a few notes.

Maintenance after handover

Keep the joints in good shape with a few simple steps:

  • Plan facade sealing alongside redecoration
  • Avoid patch repairs on failed facade joints
  • Confirm the survey covers external sealants in older buildings
  • Avoid harsh cleaners on facade sealant

Blocked sills and gutters push water at the joints. Sealant copes better when water runs off the facade as designed.

Use each reseal to correct the joint: correct depth, proper backing and a sealant that can take the movement. Repeating a faulty detail just repeats the failure.

Contractors’ notes for West Wittering

With the shore within about 1 mile, West Wittering counts as a coastal location. On a coastal site, facade and perimeter joints face driven rain and, closer to the beach, salt, so we check the specified product suits the exposure before the first bead. West Wittering sits in one of the drier corners of the country, the South East. Still, external mastic needs dry faces within the maker’s temperature limits, which isn’t every day, so external mastic is timed for workable conditions and agreed with the site manager.

For contractors at a school such as West Wittering Parochial Church of England School, sealing has to be finished before term starts.

West Wittering is about 6 miles north-west of Selsey, in West Sussex. Any commercial site in West Wittering is covered, for single jobs and planned programmes alike. Across West Sussex, 373 places are covered, West Wittering among them. Sites around Portsmouth have their own page, about 8 miles away.

Anyone looking for facade sealing in PO20 gets the same process as the rest of our area: send details, get a quote, we seal, guaranteed. If your site is on Royce Way, Elmstead Gardens and Locksash Close or close by, we can quote for facade joints. Sites close to West Wittering are covered too, including East Wittering (2 miles south-east), Shipton Green (2 miles north-east), Somerley (2 miles east), Earnley (2 miles east) and Birdham (3 miles east). Further afield, our area takes in Bognor Regis (9 miles east), Chichester (6 miles north-east), Selsey (6 miles south-east), Portfield (7 miles north-east), Yapton (13 miles east) and Nyetimber (7 miles east).

Landmarks near West Wittering

We work on buildings around The Wittering pub. For rail, the closest station is Nutbourne station, about 4.6 miles north of the centre. For a walk, there’s Pilsey Island.

Map of West Wittering © OpenStreetMap contributors

On site: what to expect

We bring the products specified for the job, along with primers and backing rod. Joint faces are cleaned back to sound, dry surfaces, the manufacturer’s primer is applied where it’s called for, and each bead is tooled to a neat concave finish. Jobs in and around smaller places like West Wittering are usually planned as a single visit, so we ask for photographs and rough sizes first. Then the right materials arrive with us.

  1. We plan access and the order of elevations with the client.
  2. We only seal when joints are dry and within the product’s temperature range.
  3. Each joint is cut out and the edges inspected.
  4. Joints are cleaned, primed if required and fitted with backing rod.
  5. Facade-grade sealant goes in and is tooled to a tidy concave profile.
  6. We hand over with our 12-month workmanship guarantee.

Preparing the site

  • Tell us which areas need to stay in use
  • Share your working hours and any access restrictions
  • Arrange parking or a loading space

Request a quote

A good quote starts with a clear picture: the joints involved, quantities, access and the product called for. Share whatever details you have and we’ll fill any gaps with a visit.

Get a price

Advice

Common problems we fix in West Wittering

When the sealant tears down its centre, it has normally been asked to move more than it can. The joint may be too narrow, the bead too thin or the sealant the wrong movement class.

Site and facilities staff are often the first to spot these:

  • Air leaks through failed facade joints
  • Patch repairs that keep failing
  • Water coming in around window frames
  • Failed sealant on precast panel joints

Sites around West Wittering get mastic sealed to the drawings and the programme, nothing improvised.

Comparing quotes

  • How they handle RAMS and site documents
  • How they’ll work around occupants
  • Is depth set with backing rod, or bond-breaker tape in shallow joints?
  • How the existing material will be dealt with

Choosing a commercial sealant contractor

What sealant work can’t fix

Before quoting, we check that sealant is the right answer. It won’t put right:

  • Work on the window or framing system itself
  • Specialist high-level access methods
  • Cracked or spalling substrates that need repair before sealing

Not sure which it is? You can call 01277 525 020 or send photos by email and we’ll tell you honestly before you book.

Surfaces we seal

  • Stone and brick facade joints
  • Perimeter joints where frames meet the structure
  • Shopfront frames
  • Cladding panel joints
  • Window and door perimeters
  • Coping and flashing joints
Accreditations

Trusted. Accredited. Insured.