The Mastic Doctor team standing beside their branded vans outside an office building
Brighton and Hove · England

Commercial sealant contractors in Westdene, Brighton and Hove

Sealant work in Westdene for main contractors, managing agents and facilities managers: sealant work for offices, shops, hotels and other commercial buildings, quoted at a fixed price.

  • Layers of sealant, all of them failing
  • Damp patches where an external joint has failed
  • Shrunken sealant along kitchen worktops and splashbacks
1
Send details
Drawings, photos, a joint schedule or a site visit.
2
Get a quote
A fixed quote for the work, with the scope in writing.
3
We seal
The right sealant, to the right depth, neatly finished.
4
Guaranteed
Backed by a 12-month workmanship guarantee.
South East, London & Scotland
Constructionline member
£5m PL insurance

Commercial sealant contractors in Westdene

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

Commercial sealant contractors in Westdene, done properly

If you look after more than one building, a single sealant contractor saves a lot of chasing. Single jobs, multi-site packages and planned programmes all come to us, run the same way on every site: send details, get a fixed quote, we seal, and a 12-month guarantee once it’s signed off. For sites in Westdene, the quickest start is to call the office on 01277 525 020 or email a schedule or drawings with a list of addresses. If you are dealing with window and door perimeter joints that have cracked open and expansion joints with the sealant torn out, we can help. Facilities teams, main contractors and managing agents in Westdene tend to want the same three things: a fixed quote, no surprises on site and a 12-month guarantee behind the result.

On a typical commercial building in Westdene, the joints that fail first are the hardest-worked ones: south-facing perimeters, entrance thresholds and busy washrooms.

In a smaller place such as Westdene, commercial buildings are typically a mix of shops, a pub or café, a school, a surgery and perhaps a few business units. They’re not big jobs one by one, but their joints need the same preparation as anywhere.

We stand by our work with a 12-month guarantee. It covers how we prepared and applied the sealant, and we come back if anything isn’t right.

Where
Westdene (BN1, BN3)
Wider area
Brighton and Hove
Guarantee
12 months on every job
Quotes
Quoted before any work starts
Phone
01277 525 020
Updated
3 November 2026
Mastic Doctor team members lined up next to their branded vans outside an office building

Aftercare for building managers

A few simple habits keep the new joints working:

  • Have extract fans checked so wet areas dry out
  • Keep barriers up until the new sealant has cured
  • Deal with small splits before they become leaks
  • Put external and wet-area joints on a regular inspection round

Good ventilation keeps wet-area sealant in better condition. Extraction that isn’t working keeps the joints wet. It’s worth having fans checked while the sealant is fresh.

A failed external joint lets water in every time it rains. It can run into cavities, insulation and internal finishes long before anyone sees a stain. Resealing early keeps the problem in the sealant and out of the building.

On site: what to expect

Inspect, seal, sign off: that’s the shape of every visit. First comes an inspection and agreement on scope, then the work is carried out to the specified product and detail, and the job ends with a walk round and sign-off. Several jobs near Westdene can be grouped on one trip. Tell us your site hours and we will plan around them.

  1. We start with the evidence: photos, drawings or a look on site.
  2. A fixed quote follows, with removal and preparation included.
  3. Sequence, access and working times are settled before the first joint is touched.
  4. The failed sealant comes out and the faces are prepared, with primer where required.
  5. Depth is set with backing, then the sealant is applied, tooled and the area tidied.
  6. Completed areas are signed off with you under our 12-month guarantee.

Before we start on site

  • Tell us your opening times and when work is allowed
  • Arrange parking or a loading space
  • Tell staff and tenants when we’ll be in

Quotes

A handful of photos and a postcode is the fastest way to a quote. Send them through the quote form, or call the office on 01277 525 020 or use the quote form if you’d rather talk the job through.

Get a quick quote

Related advice

Sealant on show in Westdene’s commercial buildings

The sea is no more than about 3 miles from Westdene. Shopfronts, frames and external joints on commercial buildings there take wind-driven rain and, closer to the shore, salt in the air. Sea-facing elevations are typically where failed joints show first. The area within 2 miles of Westdene holds a number of hotels. Refits in hotels bring joints at vanity tops, bar counters and reception desks where the colour has to suit the scheme.

A hotel such as Preston Park Hotel (1 mile south-east of Westdene) shows how much sealant a hospitality building has on show, from bathroom joints to the bar. A business with units at Goldstone Retail Park and Hollingbury Industrial Estate needn’t use two contractors for its sealant.

Westdene is about 2 miles north-east of Brighton and Hove, in Brighton and Hove. Any commercial site in Westdene is covered, for single jobs and planned programmes alike. We work across 29 places in Brighton and Hove.

Commercial sites across BN1 and BN3 are covered. For a building on Mill Road, Croft Road and London Road or nearby, we can quote for sealant joints. Being close to the A27, Westdene is easy to get to with materials and equipment. Sites close to Westdene are covered too, including Patcham (1 mile north-east), Withdean (1 mile south-east), Waterhall (1 mile north), Preston (1 mile south-east) and West Blatchington (1 mile south-west). Bigger towns within reach include Carlton Hill (3 miles south-east), Hanover (3 miles south-east), Portslade (3 miles south-west), Kemptown (3 miles south-east), Whitehawk (3 miles south-east) and Bevendean (3 miles south-east).

Local landmarks in Westdene

Recent enquiries here include premises near Varndean College, Withdean and Westdene Woods and The Sportsman pub. Westdene’s nearest station is Preston Park station, roughly 1 mile south. A little further out are Clayton Castle (3.5 miles north) and British Engineerium (1.2 miles south-west). Open spaces near Westdene include Ladies Mile and Wolstonbury Hill.

Map of Westdene © OpenStreetMap contributors

Quoting for work in Westdene

Quotes vary with the job. It mainly depends on:

  • Removal of failed or old sealant
  • The product specified
  • Site requirements such as inductions and permits
  • Travel to remote or island sites

The work involved drives the cost: stripping out, preparation, sealing, access and phasing. Call for a fixed quote and we will explain how it’s made up.

Sending details for a quote

It doesn’t need to be a full survey. These details are enough to start:

  • Access details, including height
  • A wide shot and a close-up of the area
  • What the building is and how it’s used
  • Approximate linear metres or a joint schedule

Quotes are fixed against the scope you send, so the cost is agreed before work starts. To start the process, phone 01277 525 020 or email the details over.

When to call us in Westdene

When a bead peels cleanly off one face, it has failed in adhesion. The usual causes are poor preparation, a missed primer, contamination on the joint face or sealant bonded to the base of the joint. We see it often where joints were sealed in a hurry.

Common reasons buildings call us in:

  • Mouldy silicone around WCs, urinals and vanity tops
  • Weathered facade sealant that no longer flexes
  • Greasy, split joints in a kitchen or tea point
  • Wall and floor joints that have lost their seal

Premises within reach of Preston Park station, 1 mile south of Westdene, often have busy frontages where joints are seen by everyone passing.

What your quote should include

  • Will CSCS-carded applicators be on site?
  • How long is the guarantee, and what does it include?
  • Will RAMS and insurance details be available?
  • Can the work be phased to keep areas open?

How to choose a sealant contractor

Common questions from Westdene clients

Must a hotel around Westdene close while you work?

Almost never. The work is phased so most rooms stay available. We agree the order of rooms and the timings with you before we start.

Do you cover business parks and estates near Westdene, such as Goldstone Retail Park?

Yes. Our area takes in Westdene and its surroundings, with estates and business parks such as Goldstone Retail Park included. A few photos and the unit address let us price the work.

How long will the new sealant last?

There isn’t a single answer, since movement, weather, cleaning and use all affect it. Regular checks let you plan resealing before leaks or damage.

Is your work guaranteed?

Our workmanship on each job is backed by a 12-month guarantee. Public liability insurance is in place too.

How long before the joints can be used?

Curing time varies by product, and we confirm it on the day, and flag anything to keep off until it has cured.

Are you CHAS accredited and on Constructionline?

Yes. We’re CHAS accredited and a Constructionline member, which helps with supplier vetting.

How do you keep disruption to occupiers down?

It’s mostly about sequence: we agree access windows, phase the work and keep enough facilities open. Tell us what has to stay open and we will plan the job around it.

Site staff or a sealant specialist?

Site maintenance staff can often handle a short internal joint. Where it goes wrong is preparation: new sealant over old, damp or dusty faces, or the wrong product for the movement.

Some joints are best left to specialists: fire-rated seals that must follow a tested detail, trafficked floor joints and external movement joints among them. A poor seal in places like these tends to cost more to put right later.

Commercial clients in Westdene

If you look after buildings for someone else, clear figures and clear communication matter. We quote a fixed sum, confirm the scope and walk the finished work with you or your representative.

Agents, factors and owners’ representatives all follow the same route: send details, get a fixed quote, we seal, guaranteed. Keys, access and contacts can be agreed in advance.

Accreditations

Trusted. Accredited. Insured.