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

Sealant applicators in Hassocks

Commercial sealant work in Hassocks for contractors, FMs and building owners: sealant work for offices, shops, hotels and other commercial buildings, with a fixed quote first.

  • Mouldy silicone around WCs, urinals and vanity tops
  • Untidy joints in a reception, shop floor or lobby
  • Hardened, chalky sealant on south-facing or exposed elevations
1
Send details
Send the specification, photos or a marked-up plan.
2
Get a quote
A fixed quote for the work, with the scope in writing.
3
We seal
Failed joints cut out, faces prepared, new sealant laid.
4
Guaranteed
Signed off, with 12 months’ guarantee.
South East, London & Scotland
CHAS & Constructionline
£5m public liability

Commercial sealant contractors for Hassocks sites

Photos, a specification or a quick description of the joints is enough to start a fixed quote.

Keeping the joints sound

After handover, a little attention goes a long way:

  • Check sealant as part of routine building inspections
  • Brief cleaning contractors to avoid scourers and blades on sealant
  • Keep a record of which joints were resealed and when
  • Ask fit-out and M&E contractors to report any sealant they disturb

In washrooms and kitchens, extraction makes a real difference to sealant life. Fans that are broken or switched off leave joints damp for longer, which is how mould gets back in. Your maintenance team can look at extract fans at the same time.

Sealant installed at the same time typically fails in sequence. A few splits this year usually mean more next year so the whole run is worth inspecting. We will tell you which sealant joints need doing first and which can wait.

About our commercial sealant contractors in Hassocks

Most commercial buildings carry hundreds of metres of sealant that nobody thinks about until it fails, and on a working site that usually surfaces as a leak, a stain or a complaint from occupiers. We are commercial sealant applicators for FMs, managing agents, landlords and contractors looking after property in Hassocks. Our job is to diagnose the failure, remove the old bead and seal again using a product chosen for the movement and exposure. We work on window and door perimeters, movement joints in walls and floors and washrooms and tea points, and what we’re called in for most is mouldy silicone around WCs, urinals and vanity tops and greasy, split joints in a kitchen or tea point. Sealant applicators who only do sealant are a different proposition from a general trade with a gun in the van: on jobs in Hassocks, preparation and product choice get the time they need.

The most common commercial job in Hassocks is resealing joints that have simply reached the end of their life: split, chalky or peeling, with leaks or mould starting behind it.

Sealant jobs for businesses in a place the size of Hassocks are often best grouped: shopfront, washroom, kitchen and any external joints done together. That keeps travel and disruption down, and where colour matters on the frontage, we’ll confirm what’s available for the product.

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.

Where
Hassocks (BN6)
Wider area
West Sussex
Guarantee
12 months on every job
Price
A fixed quote before we start
Phone
01277 525 020
Last updated
3 November 2026
The Mastic Doctor team beside their liveried vans in front of an office building

How the quote is worked out

There’s no standard rate for sealant work, since sites vary so much. What we look at:

  • Induction, permit and paperwork requirements
  • The product specified
  • Removal of failed or old sealant
  • Phasing around occupants

There’s no price list, since every building and every scope is different. Call for a quote.

What we need to price the job

We can often quote from photos and a few details. It helps to include:

  • When you need the work done
  • Photos of the joints, close up and from further back
  • Whether an asbestos survey exists
  • What the building is and how it’s used

If there’s a specification, drawings or a tender package, send it with your enquiry, and we’ll price the work to it. Smaller jobs need nothing more than photos and a few notes.

Why act early in Hassocks

Before budgeting for new frames, cubicles or worktops, check whether it’s just the sealant. In many cases the element is fine and only the seal around it has given up. A careful reseal is a far smaller undertaking than replacement. A failed joint lets water into a building whatever its size. Early resealing avoids the damage that follows a leak.

What a job costs comes down to the quantity of joints, how much old material needs removing and how the joints are reached. Call for a fixed quote when you’re ready.

Why clients in Hassocks choose us

  • Over 20 years of commercial sealing
  • Joints cleaned back to sound surfaces
  • Clear, fixed quotes
  • CHAS accredited contractor

Read our cost guide and our accreditations.

General trades versus a specialist

For a quick touch-up, site staff may be fine, but larger jobs are different: a specialist works through quantities efficiently, leaves a consistent finish and backs it with a 12-month guarantee.

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.

Sealant on show in Hassocks’s commercial buildings

Several hotels sit less than 2 miles from Hassocks. Hotel refurbishments are where a matched sealant colour earns its place: bathroom, bar and reception joints have to sit with the finishes, with rooms done in turn while the rest stay let. Hassocks sits in one of the drier corners of the country, the South East. External joints still need dry faces and the right temperature, and damp or frosty mornings can hold work up.

Offices at parks like Victoria Business Park (to the north of Hassocks) have receptions, kitchens and glazed partitions where a tidy joint matters. For a hotel such as The White Horse Hotel, which lies east of Hassocks, the colour of a joint at the bar or the bath matters to the look of the room. Shops and cafés around stations like Hassocks station (less than half a mile south of Hassocks) trade from early, so work is timed around them.

Hassocks is about 2 miles south of Burgess Hill, in West Sussex. Businesses, contractors and managing agents in Hassocks use us for work on sealant joints. We work across 373 places in West Sussex, from busy centres to rural villages. We also cover Brighton, around 7 miles from Hassocks.

Business premises anywhere in BN6 are within our area. Among the streets we cover are London Road, Semley Road and Farm Close. Close to Hassocks, our area also takes in Keymer (1 mile east), Hurst Wickham (1 mile north-west), Clayton (1 mile south), Hurstpierpoint (1 mile north-west) and Ditchling (1 mile east). A short drive away, we cover Crawley (13 miles north), Horsham (12 miles north-west), Worthing (13 miles south-west), Haywards Heath (5 miles north-east), East Grinstead (15 miles north-east) and Shoreham-by-Sea (8 miles south-west).

Around Hassocks

Around Hassocks, our work takes us to commercial buildings near Downlands Community School and The Hassocks pub, among other places. Hassocks has its own railway station: Hassocks station. Nearby you’ll also find The Budding Foundation Museum of Gardening (under half a mile south-west) and Clayton Castle (1.2 miles south). Not far away are Bedelands Farm Nature Reserve and Wolstonbury Hill.

Map of Hassocks © OpenStreetMap contributors

On site: what to expect

We begin with a short walk round with whoever looks after the building, to confirm the scope, the order of work and any areas we must keep clear. Then we strip out anything that has failed, prepare every joint and seal it. If neighbouring businesses or buildings around Hassocks need work too, visits can be combined. Mention the building’s opening times and we will work within them.

  1. First, details reach us through the quote form or a site visit.
  2. We diagnose the cause of failure and price a fixed scope.
  3. Work is phased around your occupiers where areas need to stay in use.
  4. Every failed bead is removed rather than covered.
  5. A suitable product for each joint goes in at the right depth and is tooled.
  6. A final walk-round, then the 12-month guarantee applies.

Getting the site ready

  • Tell staff and tenants when we will be in
  • Share your working hours and any access restrictions
  • Explain the parking and delivery arrangements

Request a quote

A handful of photos and a postcode is the fastest way to a quote. Upload them with the quote form, or ring 01277 525 020 or email us to discuss it first.

Get a quick quote

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FAQs: Hassocks

Does a hotel in Hassocks need to shut while its sealant is renewed?

Almost never. The work is phased so most rooms stay available. The plan is built around your bookings.

Is Hassocks off your patch?

Not at all. Hassocks is within our area. We work across Greater London and the South East. Where we can, we group nearby jobs to make the most of each trip.

Are you CHAS accredited?

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

Do you work to architects’ specifications?

Yes. We follow the specification, along with the manufacturer’s installation guidance, and any queries are raised before we start.

Do you take on multi-site sealant work?

Yes. We take on runs of jobs across portfolios as well as single sites, quoted per building or as a package.

How long do sealant joints last?

It depends on movement, UV and weather, cleaning, traffic and the product. Treat them as maintenance items and inspect them regularly.

Does weather matter for sealant work?

For external joints, yes. The joint has to be dry and within the product’s temperature range, so frost, rain or cold mornings can delay outside work. Internal work is rarely affected.

What we can’t put right

Honesty saves time and money. Fresh joints won’t solve:

  • Cracking that needs a structural engineer to look at it
  • Old mastic that tests positive for asbestos
  • Leaks from pipework, wastes or valves (that’s plumbing)

If you’re not sure, just call 01277 525 020 or email a schedule or drawings and we’ll give you a straight answer.

What we seal

  • Kitchen worktops and splashbacks
  • Movement joints in walls and floors
  • Floor and threshold joints
  • Washrooms and tea points
  • External facade joints
  • Window and door perimeters
Accreditations

Trusted. Accredited. Insured.