Essex · England

Commercial & hotel sealant in Harlow, Essex

Sealant work for offices, hotels, washrooms and commercial buildings for homes and businesses in Harlow and across Essex. Fully insured, ARBOMaster approved and guaranteed for a year.

  • Whole floors of tired en suites
  • Shower leaks reaching the floor below
  • Leaking joints in shower rooms and changing areas

Trusted commercial sealant in Harlow

Commercial sealant for homes and businesses in Harlow

In a hotel, office or washroom, failed sealant is more than an eyesore. Cleaners struggle with it, water gets through it and people notice it. We reseal bathrooms, washrooms, welfare areas and kitchens so they look cared for again. We work on retail & leisure sites, student & care accommodation and office washrooms & kitchens, and common reasons people get in touch are mouldy washroom sealant that staff and guests notice and worktop sealant that has shrunk and stained.

Commercial jobs in a town like Harlow range from shops and offices to schools and small business units. Each has washrooms, kitchens and service openings through walls that need the right sealant.

Big or small, you get the same 12-month guarantee in Harlow and across Essex.

Where
Harlow (CM17, CM20, CM18, CM19)
Region
Essex
Cover
One year on every job
Quote
A clear price before work begins
Telephone
0345 464 0079
Last updated
26 October 2026
The Mr Mastic team in navy uniforms in front of three Mr Mastic vans

How to look after the new joints

Once the sealant has cured, a few habits help it last:

  • Plan resealing around quiet periods
  • Put a squeegee in each shower
  • Include the silicone on your room checklists
  • Use mild cleaners on sealant, not bleach or abrasives

Daily cleaning with harsh chemicals shortens the life of any sealant. Ask cleaners to use mild products and soft cloths on the sealant, with stronger products kept off the bead.

Water from a failed shower seal can travel: through floors, into ceilings and across into corridors. Early resealing keeps it from getting that far.

Leave it or put it right?

Sealing over the old bead can seem the fastest option, but it will not bond, and it lifts again soon. Doing it properly once is less disruptive than doing it badly twice. In a family home in Harlow, a failed seal around a bath or a frame lets water into places you can’t see, like the floor under a bath, the back of a panel or the inside of a wall. Left alone, that means rot, damp and a bigger repair.

Every job is a little different, so we quote each one individually. The number of joints, how easy they are to reach and the sealant needed all play a part, and we will explain the quote if you ask.

Why Harlow customers choose us

  • Sealant colour chosen to suit
  • 12-month guarantee on every job
  • 4.9 on Google from 180+ five-star reviews
  • 20+ years of sealant experience

Read what affects the cost and what customers say.

Landlord and commercial work in Harlow

If you manage several properties in or around Harlow, several properties can go on one quote. Just tell us the addresses and what each one needs, and pictures by email help.

Hotels need rooms back in use, so we plan the work room by room. Hotel work is part of what we do, alongside homes and businesses.

Your questions about commercial sealant in Harlow

Is there a guarantee on commercial sealant in Harlow?

All our work, in Harlow and everywhere else, comes with a 12-month guarantee. We’re also fully insured and ARBOMaster approved.

Is Harlow in your area for commercial sealant?

Yes. Our work covers London and the South East, and Harlow is part of that. You can call 0345 464 0079 or email us and let us know what needs doing.

Can new sealant go over the old?

No, and we never do. It may look fine at first, but the new layer lifts away from the old one. Removing the old sealant completely is the only lasting way.

What does commercial sealant cost?

We do not publish prices, because the cost depends on the job: its size, the old material, access and the product needed. You’ll get a clear quote before any work starts.

Do you work for letting agents and landlords?

Yes. We reseal bathrooms and kitchens in rented homes and several properties can be quoted together.

Can you start early or work out of hours?

In many cases. Tell us your opening hours and quiet times, and we will see what can be arranged.

Do you offer different sealant colours?

Generally, yes. White, clear and grey are common, and other colours are available, and we’ll agree it with you first.

Is it messy?

Very little: the area around the joints is protected first, and we tidy up before we go.

How we quote for commercial sealant

For a quick quote, just ask. What matters most is:

  • The old material and how stubborn it is
  • How many rooms, windows or areas are involved
  • Working hours on commercial sites
  • Whether there’s mould to deal with

The cost reflects the work involved, not guesswork. That’s why we ask about the job first.

What we need to know

When you call or email, these details help:

  • Where the property is
  • The problem you’ve noticed
  • The rough size of the job
  • Pictures of the joints, sent by email

A good description makes for an accurate quote. Tell us where the job is, what’s wrong and how much there is, and email pictures if that is easy.

How the visit works

A visit follows a simple pattern: we check the joints, protect the area around them, do the work and clear up. It normally takes a few hours per room, so whole buildings are phased. In Harlow, parking is rarely complicated, though it helps to know about driveways or restrictions, and let us know if the work is upstairs, in a flat or up high outside.

  1. First we visit and agree the scope, the sequence and the working hours.
  2. Every area is sheeted and the old silicone stripped out.
  3. We clean the joints, treat any mould and let them dry.
  4. Anti-fungal sanitary silicone goes into wet areas, with suitable sealants elsewhere.
  5. Rooms are checked and returned with a cure time so staff know when to use them.

How to prepare

  • Tell us if parking is tricky
  • Let us know about stairs, lifts or work at height
  • Clear the area around the work

Get a quote

Quotes start with a quick conversation. Describe the problem, the location and the size of the job. When it suits you, ring 0345 464 0079 or email us.

Get a quick quote

Read more

Different surfaces, different methods

Student & care accommodation

Many accommodation blocks have rows of similar en suites. A room-by-room programme keeps the job efficient.

Rental portfolios

For a portfolio, we can quote several addresses together.

Commercial buildings in Harlow

Most of the South East has hard water, which leaves limescale on sealant, grout and fittings. Harlow was built as one of England’s post-war new towns. Harlow was planned with its own industrial and business areas, so workplaces sit close to the homes. Each has washrooms, kitchens and fire-rated joints to keep in order.

Community buildings like St Andrew's Methodist Church are part of the picture too: its kitchen and washroom sealant needs looking after like anywhere else. If you look after a building such as Cooks Spinney Primary Academy and Nursery, washroom and kitchen sealant can be programmed around term times or opening hours. For landlords with property near Harlow Town station, sealant work can be quoted for a single flat or a whole portfolio.

Harlow is about 21 miles north-east of London, in Essex. Anywhere in CM17, we cover commercial sealant for homes and businesses. Harlow is one of 644 places in Essex we cover for commercial sealant. Our Chelmsford page covers work nearby.

We work across the CM17, CM20, CM18 and CM19 postcode area for commercial sealant. Commercial sealant is available to properties on London Road, Soper Square and Square Street and the roads around them. With the A414 and A1019 close by, Harlow is easy for our applicators to reach. We also cover Mark Hall South (1 mile north-east), Netteswell (1 mile west), Latton (1 mile south-east), Mark Hall North (1 mile north) and Bush Fair (1 mile south). Within a short drive, we also cover Brentwood (13 miles south-east), Loughton (9 miles south), Waltham Abbey (7 miles south-west), Great Dunmow (13 miles north-east), Epping (5 miles south) and Stansted Mountfitchet (10 miles north). Harlow is one of the larger places we cover in Essex.

What’s near Harlow

Locally, jobs take us to homes and businesses close to Harlow Marsh, Purple Emperor pub and BMAT STEM Academy. The closest station to Harlow is Harlow Town station, roughly 1.2 miles north-west. Other landmarks nearby include Princess Alexandra Hospital (1.2 miles west) and Mark Hall Cycle Museum (0.7 miles north-east). Not far away are Hunsdon Mead.

Map of Harlow © OpenStreetMap contributors

Can I do it myself?

Sealing over old silicone is the commonest DIY error. New silicone will not bond to old, so it peels away and traps moisture behind it. Everything old must be removed first.

The difference is mostly in the preparation and the product. We take joints back to clean, dry surfaces, and the sealant is matched to the joint and its conditions.

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