Essex · England

Commercial Sealant in Great Waltham

Washrooms, bathrooms and kitchens in Great Waltham need attention? We cut out the old, prepare the joints and apply the right sealant, with a one-year guarantee.

  • Split sealant where wet room floors meet walls
  • Repeated reseals that do not last
  • Worktop sealant that has shrunk and stained

Book commercial sealant in Great Waltham

Commercial sealant in Great Waltham, done properly

Hotel bathrooms take hard daily use and constant cleaning, so sealant there has a hard life. Rooms are resealed in batches, so only a few are out of use at once, with a cure time for each room so housekeeping know when to release it. We work on office washrooms & kitchens, student & care accommodation and rental portfolios, and common reasons people get in touch are repeated reseals that don’t last and joints that need doing before an inspection or audit.

Work in a small place like Great Waltham is planned ahead, journey included, so the job can fit around bookings, guests or opening times where possible.

You get a one-year guarantee, the same in Great Waltham as everywhere else we work.

Location
Great Waltham (CM3)
Wider area
Essex
Guarantee
A year, on every job
Price
Quoted before any work starts
Call
0345 464 0079
Page updated
26 October 2026
The Mr Mastic team in navy uniforms in front of three Mr Mastic vans

What happens if it’s left?

Sealant is easy to forget until an audit or inspection is due. Planning the work ahead means rooms are finished and cured in time. In a small place like Great Waltham, homes can be exposed to wind and rain, which finds any gap, and damp in older walls is slow to dry out.

The cost reflects the work involved, not a rough estimate. That is why we ask about the job first and agree the price before starting.

Why book with us

  • One-year guarantee on every job
  • We leave the area clean and tidy
  • A sealant colour to suit the surroundings
  • An ARBOMaster approved applicator

Read our cost guide and customer reviews.

What commercial sealant looks like in Great Waltham

Hard water is the norm across most of the South East, which leaves limescale on sealant, grout and fittings, and it has to be cleaned off before new sealant goes in.

If you let a flat or house near Beaulieu Park station, we can quote for one property or a whole portfolio of rentals. For buildings such as Church of SS Mary and Laurence, halls and community kitchens see heavy use, and their sealant shows it.

Great Waltham is about 4 miles north of Chelmsford, in Essex. Great Waltham gets the same service as everywhere we cover: old sealant removed completely, careful preparation and a one-year guarantee. Our Essex coverage runs to 644 places, Great Waltham among them.

Work in CM3 works the same way as everywhere else we cover. That includes homes and businesses on Brook Mead, Cherry Garden Road and Chelmsford Road and the roads around them. Other places close to Great Waltham include Breeds (1 mile south-west), Minnow End (1 mile south-east), Little Waltham (1 mile south-east), Broomfield (2 miles south-east) and Chignall Smealy (2 miles south-west). Further out, we also cover Chelmsford (4 miles south), Basildon (15 miles south), Braintree (8 miles north-east), Harlow (15 miles west), Brentwood (13 miles south-west) and Maldon (11 miles south-east).

Local landmarks in Great Waltham

In Great Waltham, that means homes and buildings near The Beehive pub, among other places. The nearest railway station is Beaulieu Park station, about 3.7 miles south-east of the centre. A little further out are Broomfield Hospital (1.4 miles south). Open spaces near Great Waltham include Little Waltham Meadows.

Map of Great Waltham © OpenStreetMap contributors

Do you need commercial sealant in Great Waltham?

Plenty of commercial bathrooms have no window at all, and where extraction is poor, damp hangs around. That is when black mould sets into the bead.

Keep an eye out for any of the following:

  • Washrooms that need sorting before an inspection
  • Mouldy washroom sealant that staff and guests notice
  • Split sealant around staff kitchen worktops and sinks
  • Tired sealant in let properties

If you look after a building such as Chelmer Valley High School, washroom and kitchen sealant can be programmed around term times or opening hours.

What your quote should include

  • How long to leave it before use
  • Who does the work, and how experienced they are
  • Are they insured?
  • What product goes in the joint

10 questions to ask before booking

How the job changes by surface

Hotel bathrooms

In a hotel, every bathroom is used and cleaned daily, so we use anti-fungal sanitary silicone and finish joints smooth for easy cleaning.

Rental portfolios

A sound seal protects the property as well as its appearance, especially where you rarely see the bathroom yourself.

FAQs for Great Waltham

Is Great Waltham within the area you cover?

Yes, Great Waltham is covered. We work across London and the South East, and smaller places are part of that. Longer journeys are simply planned in advance.

Do you work for landlords with property near Beaulieu Park station?

Yes, rental work is part of what we do. You can phone 0345 464 0079 or drop us an email with the address and a few details, and we will give you a fixed price before any work starts.

Do you take out the old sealant first?

Yes, always, and completely. New silicone does not stick to old silicone, so any old material comes out before anything new goes in.

Does someone need to be in?

It depends on the job. For work indoors, someone needs to let us in, while outside work can sometimes be arranged differently.

Do you hold any approvals?

Yes. We’re approved under the ARBOMaster scheme, which is run for the Arbo sealant brand.

Which products do you use?

It depends on the joint: anti-fungal sanitary silicone in wet areas, and other sealants where joints move or face the weather. We use products from Arbo and Everbuild.

Do you provide RAMS?

Tell us what your site asks contractors for. We’ll confirm what we can provide alongside the quote.

Is it OK to seal over old sealant?

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.

Keeping the joints in good condition

Good habits help new joints last longer. A few tips:

  • Note the date each area was done
  • Plan resealing around quiet periods
  • Keep strong chemicals and scourers off the joints
  • Include the silicone on your room checklists

Each room is handed back with its cure time, which is usually around 24 hours. Make sure housekeeping or cleaning staff know it so the new sealant is not wetted or scrubbed too soon.

Signs to look for: black spots in the silicone, corners lifting, staining on the ceiling below or a musty smell. When you see them, it’s time to plan a reseal.

What affects the cost of commercial sealant

The quote reflects the job in front of us. We look at:

  • The product the joint needs
  • Whether there’s mould to deal with
  • How easy the joints are to reach
  • Whether old sealant or filler has to be cut out

What it costs depends on the size of the job, how much old material has to come out and how easy the joints are to reach. You will have a clear quote before any work starts, so you know where you stand.

What we need to know

Photos by email are helpful but not essential. Please mention:

  • How many joints, rooms or windows are involved
  • Pictures of the joints, sent by email
  • Where the job is, and your postcode
  • What the problem is, such as mould, gaps, leaks or cracking

Every job is quoted individually, so the first step is telling us about yours. Just phone 0345 464 0079 or send us an email with the details, and pictures are welcome.

DIY sealant or a professional job?

If you’ve already had a go yourself, that is fine. We remove it and do the joint properly, so tell us about it when you ask for a quote.

Overfilling a joint is a classic DIY mistake. A thick, smeared bead looks untidy and does not move well, and the joint depth matters as much as the finish.

How it works

We bring everything the job needs with us, so you do not need to buy or prepare anything. Once we have agreed what’s being done, we protect the area and start. Most jobs take anything from a few hours to several days, depending on the number of rooms. For a village or hamlet like Great Waltham, the journey is planned in advance: let us know about lanes, gates and parking. We bring what the job needs, so it can be finished in one trip where possible.

  1. We start with a site walk to agree the rooms and the timing.
  2. Every area is sheeted and the old silicone stripped out.
  3. The joints are degreased, treated and left to dry.
  4. We lay the right sealant for each area, with anti-fungal silicone in wet rooms.
  5. Each room is checked and handed back with its cure time.

Before we arrive

  • Mention any parking rules near the property
  • Plan for the work area to be out of bounds to pets and children
  • Tell us about any previous sealing or DIY attempts

Get a quote

Quotes start with a quick conversation. Describe the problem, the location and the size of the job, and we’ll explain how we’d tackle it. Whenever you are ready, phone 0345 464 0079 or send us an email.

Ask for a quote

Related advice

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