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

Facade Sealing contractors in Lyminster

Facade joint and window perimeter sealing on commercial buildings throughout Lyminster and nearby, by CSCS-carded applicators. CHAS accredited and fully insured.

  • Failed sealant on precast panel joints
  • Perimeter sealant that has split or peeled away
  • Previous reseals run over old sealant
1
Send details
Photos, drawings or a schedule, or we visit.
2
Get a quote
A fixed quote for the work, with the scope in writing.
3
We seal
Prepared joints, the specified product, a tidy finish.
4
Guaranteed
Signed off, with 12 months’ guarantee.
London, the South East & Scotland
CHAS accredited
£5m PL insurance

Need facade sealing in Lyminster?

Send drawings, photos or a joint schedule, or tell us about the site, and we’ll come back with a fixed quote.

About our facade sealing in Lyminster

Some clients need every window on a block resealed; others need a few leaking frames sorted. Either way, the method is the same: cut out, clean, back, prime where needed and seal. A 12-month guarantee applies to our workmanship. If you’re dealing with sealant pulling away from frames or panels and leaks at window and door perimeters, we can help, on stone and brick facade joints, shopfront frames and perimeter joints where frames meet the structure alike. Sealant applicators who only do sealant are a different proposition from a general trade with a gun in the van: on jobs in Lyminster, preparation and product choice get the time they need.

Conversions of older rural buildings near smaller places such as Lyminster bring stone, flint, brick and timber up against new glazing. A product that grips an irregular face, with a colour that suits the building’s character, is usually what’s needed.

What our 12-month guarantee covers is the way we did the job: the preparation, the sealing and the tooling. It doesn’t extend to damage, other trades’ later work or movement the joint was never designed to take.

Mastic Doctor team members lined up next to their branded vans outside an office building
Place
Lyminster (BN17)
Region
West Sussex
Guarantee
A 12-month guarantee
Quotes
Fixed quote, scope in writing
Telephone
01277 525 020
Updated
3 November 2026

What sealant work can’t fix

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

  • Installing or repairing glazing systems
  • Water getting in through cracked render or porous masonry
  • Cracked or spalling substrates that need repair before sealing

Not sure which it is? You can give us a call on 01277 525 020 or send details through our quote form and we’ll tell you honestly before you book.

Joints and surfaces we work on

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

Common questions from Lyminster clients

Is a smaller place like Lyminster outside your area?

No. Places such as Lyminster are covered as much as the big towns. Our area covers London and the South East counties. Good photos up front let us bring everything on the first visit.

Can you work on a hospital site such as Arundel & District Community Hospital?

Yes, healthcare and care buildings are part of our work. We follow the site’s permits, sign-in and infection-control procedures in every area.

Which sealant will you use?

If the job is specified, we follow the specification. Otherwise, we recommend a product to suit the joint’s movement, the substrate and the conditions, following the manufacturer’s guidance.

What site paperwork can you supply?

Tell us what site paperwork you need (RAMS, insurance certificate, CSCS details) and we’ll confirm with the quote.

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, depending on the substrate and the specification.

How much does the work cost?

We don’t publish prices, because every site is different. Send photos or drawings and we will price it at a fixed figure.

How long do sealant joints last?

There isn’t a single answer, because life depends on how much the joint moves, how exposed it is and how it’s cleaned and used. Regular checks let you plan resealing before leaks or damage.

Signs you need facade sealing in Lyminster

New sealant run over old sealant rarely holds. Fresh silicone won’t stick to cured silicone.

Things that usually lead to an enquiry:

  • Draughts around frames and panels
  • Failed seals around shopfront and entrance frames
  • Damp patches beside frames after rain
  • Gaps between rainscreen or cladding panels

School extensions, at buildings such as Lyminster Primary School, normally run to the summer holidays, mastic included.

What to look for in a quote

  • Is the sealant right for the movement and the substrate?
  • Is depth set with backing rod, or bond-breaker tape in shallow joints?
  • Their public liability cover
  • Their pre-qualification and accreditations

How to choose a sealant contractor

Keeping the joints sound

To get the most from the new sealant:

  • Investigate damp beside windows promptly
  • Confirm the survey covers external sealants in older buildings
  • Share access with other external trades
  • Note when each elevation was last resealed

After heavy weather, check vulnerable elevations for signs of water inside. Catching a new leak early keeps the repair small.

In pre-2000 buildings, check the asbestos register before old sealant is cut out. Some older mastics contain it, and if it’s suspected, we stop until it has been tested.

On site: what to expect

Tell us your site hours and access windows and we’ll plan around them. On the day, the work area is kept contained and tidy, and we check in with your contact before moving on to each new area. For work around Lyminster, we aim to finish in one visit, so photographs and measurements up front really help. Then the right materials arrive with us.

  1. Access, site rules and timing are settled with the client up front.
  2. Weather and temperature are checked against the product’s limits.
  3. Each joint is cut out and the edges inspected.
  4. Joints are cleaned, primed if required and fitted with backing rod.
  5. Sealant is gunned in and tooled hard onto both faces.
  6. We hand over with our 12-month workmanship guarantee.

Getting the site ready

  • Tell us your opening times and when work is allowed
  • Point out any areas we must not close
  • Have the specification and drawings to hand

Get a fixed quote

The quickest route to a quote is a few photos and the site postcode. Upload them with the quote form, or give us a call on 01277 525 020 or email the details over to discuss it first.

Ask for a quote

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What affects the price in Lyminster

Your fixed quote is built from the real scope. It allows for:

  • Travel to remote or island sites
  • Working within restricted access windows
  • Joint width, depth and condition
  • The total length or number of joints

Whether it’s a single area or a whole estate, the same things set the price: scope, access, product and programme. Call for a quote and we will put a fixed figure on it.

Sending details for a quote

The more we know, the firmer the quote. When you get in touch, include:

  • The site address and postcode
  • The product your specification calls for
  • Access details, including height
  • The asbestos register, for older buildings

Every quote starts with the facts: what’s there, how much of it, how we reach it and what’s specified. Share whatever details you have and we will fill any gaps with a visit.

Sites and facades in and around Lyminster

Lyminster is within about 2 miles of the coast. On a coastal site, facade and perimeter joints face driven rain and, closer to the beach, salt, and the sealant, primer and backing need choosing with that in mind. At about 50 miles from central London, Lyminster is within reach of the capital. Construction around the commuter belt mixes station-side flats with refurbished offices and units, which keeps mastic packages in demand.

With historic properties like Ecclesden Manor, 3.3 miles east of Lyminster, in the area, refurbishment work often meets old masonry that needs compatible sealants. For contractors refurbishing units at places like Lineside Road Industrial Estate, 1 mile to the south of Lyminster, the mastic covers cladding panels, roller-door and window perimeters.

Lyminster is about 1 mile north-west of Littlehampton, in West Sussex. Businesses, contractors and managing agents in Lyminster use us for work on facade joints, as part of our coverage of West Sussex. Across West Sussex, 373 places are covered, Lyminster among them. Our Brighton page has more on work in that area, about 18 miles away.

We take on facade joints across the BN17 postcode area, whatever the building. For a building on Arundel Drive, Old Mead Road and Lyminster Road or nearby, send details and we will quote for facade joints. If your building is just outside Lyminster, we cover Wick (1 mile south), Toddington (1 mile south-east), Crossbush (1 mile north-east), Tortington (1 mile west) and Littlehampton (1 mile south-east). Nearby towns on our patch include Worthing (6 miles east), Bognor Regis (7 miles south-west), Chichester (10 miles west), Selsey (12 miles south-west), Shoreham-by-Sea (12 miles east) and Lancing (10 miles east).

What’s near Lyminster

We work on buildings around The 6 Bells Public House, The Littlehampton Academy and Littlehampton College and the streets around them. The nearest railway station is Arundel station, about 1.3 miles north of the centre. Well-known places in the area include Arundel and District Hospital (1.9 miles north-west) and Rustington Museum (2.3 miles south-east). The countryside around Lyminster includes Highdown Hill and WWT Arundel.

Map of Lyminster © OpenStreetMap contributors

Should maintenance staff do it?

Paperwork matters too. Main contractors and clients often ask for CSCS cards, RAMS and insurance details, and our CSCS-carded applicators are used to working under those rules.

General builders and handymen seal joints, but it isn’t their main trade. A specialist prepares properly, controls joint depth and picks a product with the right movement class.

Accreditations

Trusted. Accredited. Insured.