Greater London · England

Commercial Sealant in Hanwell

Sealant work for offices, hotels, washrooms and commercial buildings in Hanwell, with a one-year guarantee on every job. Call for a quick quote.

  • Rental bathrooms that need resealing between tenants
  • Water marks on ceilings under bathrooms
  • Washrooms that need sorting before an inspection

Trusted commercial sealant in Hanwell

What affects the quote in Hanwell

We quote each job individually. This is what makes a difference:

  • Working hours on commercial sites
  • How easy the joints are to reach
  • The type of sealant required
  • The old material and how stubborn it is

Instead of a standard rate, we price the job in front of us: how many joints, what’s in them now and how we reach them. The price is agreed before we begin.

What we need to know

To make quoting easier, let us know:

  • Access, such as stairs, a lift or height
  • If it’s domestic, commercial or a hotel
  • How many joints, rooms or windows are involved
  • Any previous sealing or DIY work

To get a quote, call 0345 464 0079 or send us an email with the location and a short description of the problem. You’ll have a clear quote before we start.

About our commercial sealant in Hanwell

Office kitchens, staff washrooms and welfare facilities need to be usable every working day. We can plan the work for early mornings or out of hours so the working day is disturbed as little as possible. Each area is handed back with its cure time. We work on student & care accommodation, office washrooms & kitchens and hotel bathrooms, and common reasons people get in touch are repeated reseals that don’t last and whole floors of tired en suites.

In London, a commercial job often starts with access: loading bays, building rules and lifts. Timings and access are agreed with the building before work starts in Hanwell.

A 12-month guarantee comes as standard, so you are not left on your own once the job is done.

Mr Mastic applicators lined up beside the company vans, one holding a sealant gun
Location
Hanwell (W7, W13, UB2)
Region
Greater London
Guarantee
12 months on all our work
Quote
Quoted before any work starts
Phone
0345 464 0079
Page updated
26 October 2026

Work for landlords, hotels and businesses

Mouldy or split sealant often shows up at the end of a tenancy. Several properties can go on one quote.

We work for letting agents and landlords as well as householders. Sealant work between tenants keeps a property looking cared for.

What sealant work can’t fix

In fairness, some problems need a different trade:

  • Water coming from plumbing rather than sealant
  • Failed tanking or loose tiles behind the sealant
  • Assessing what fire stopping a building needs

Not sure which it is? You can call 0345 464 0079 or drop us an email and we will tell you honestly.

Joints and surfaces we work on

  • Office washrooms & kitchens
  • Hotel bathrooms
  • Retail & leisure sites
  • Welfare facilities
  • Student & care accommodation
  • Rental portfolios

DIY versus a professional finish

The biggest DIY mistake is sealing over old sealant. New silicone will not bond to old, so it peels away and traps moisture behind it. Everything old must be removed first.

If you do try it yourself, take your time over the preparation: remove every trace of old sealant, clean and dry the joint, and follow the product’s cure time. If it does not work out, we can still put it right.

Common problems we fix in Hanwell

Shower trays and baths in busy buildings move more: different weights, constant use and daily cleaning all work at the joint. If a tray flexes, the sealant around it splits.

These are the problems we are asked about most:

  • Mouldy bathrooms flagged at a tenancy check
  • Repeated reseals that don’t last
  • Large numbers of bathrooms needing the same work
  • Split sealant where wet room floors meet walls

As a London address, Hanwell can be tricky for parking: tell us about permits, visitor bays or off-street space when you book.

Before booking anyone

  • What preparation is included
  • What the cure time is
  • What happens if they find a problem under the old sealant
  • What insurance they hold

Choosing a sealant specialist

Looking after it afterwards

A little care helps the new joints last. Our advice:

  • Report broken fans quickly
  • Plan resealing around quiet periods
  • Check the joints during routine room inspections
  • Log resealing so you know what’s due

Include sealant in routine room inspections. Checking joints alongside other room checks catches failures before they leak.

Signs to look for: mould, splits, peeling corners or water marks downstairs. When you see them, it’s time to plan a reseal.

Commercial sealant in Hanwell: local notes

Commercial buildings in London often have strict access rules and limited loading, so out-of-hours working can be arranged where needed. London has hard water, which leaves limescale on sealant, grout and taps, and it has to be cleaned off before new sealant goes in.

If you let a flat or house near Hanwell station, we can quote for one property or a whole portfolio of rentals. For site and facilities teams at buildings such as St Joseph's Catholic Primary School, washroom and kitchen sealant can be programmed around term times or opening hours.

Hanwell is about 1 mile west of Ealing, in Greater London. From the centre of Hanwell to the outskirts, we cover commercial sealant for every kind of property. Our area takes in 764 places across Greater London, from the larger towns to small villages. For nearby work, see our London page, about 10 miles away.

Every address in W7, W13 and UB2 is within our area for commercial sealant, from the main roads to the quietest streets. If you need commercial sealant at a property on Park Road, Green Lane and Felix Road or a nearby road, we can help. Hanwell is on the A4001, which makes it straightforward to reach with everything needed for commercial sealant. Neighbouring places we cover for commercial sealant include West Ealing (1 mile west), Ealing (1 mile east), Dormers Wells (1 mile north-west), South Ealing (1 mile south-east) and Pitshanger (2 miles north-east). We also work in nearby towns such as London (10 miles east), City of Westminster (8 miles east), Marylebone (8 miles east), Kensington (6 miles east), St Pancras (10 miles east) and Shoreditch (11 miles east).

Near you in Hanwell

Typical jobs here are in homes near Drayton Manor High School, Cuckoo Schools and Drayton Green, among other places. Hanwell has its own railway station: Hanwell station. Nearby you will also find Ealing Hospital (less than half a mile west) and Gunnersbury Park House - Large Mansion (2.3 miles east). For a walk, there’s Middle Lake and Castlebar Hill.

Map of Hanwell © OpenStreetMap contributors

Common questions in Hanwell

Do you take on hotel work around Hanwell?

Yes. Hotel and guest-house work is part of what we do. Jobs can be programmed room by room, with out-of-hours working possible to arrange.

I let a flat near Hanwell station. Can you help?

Yes, landlords and agents are among the people we work for, and several properties can be quoted together. Just ring 0345 464 0079 or send us an email with the address and what needs doing, and we’ll send you a clear quote.

Will there be a smell?

It depends on the product. Some products have a noticeable smell, others very little, and any smell fades as they cure.

Can new sealant go over the old?

No. Fresh sealant doesn’t stick to old sealant, and it traps any mould or water underneath. We remove it all first.

What sealant do you use?

Products from Arbo and Everbuild, among others, chosen to suit the joint. We will tell you what we are using and why.

How long do rooms need to be out of use?

Plan for around 24 hours, or the cure time we give for that area. A room-by-room programme keeps only a few rooms out at once.

Do you offer different sealant colours?

We’ll suggest a colour to suit the surroundings, from white and clear to greys and other shades. The product needed can limit the range.

Is it worth trying it myself?

It depends on the job. High-level, external movement and fire-rated joints are professional jobs.

The process

When we get to you, we check the joints match what you told us. If anything is different, we explain it before carrying on. After that, the work takes a few hours per area, with larger sites planned over several visits. In Hanwell, flats, stairs and shared entrances are part of the routine. If the building has a concierge, managing agent or access rules, tell us when you book.

  1. First we visit and agree the scope, the sequence and the working hours.
  2. Room by room, we protect the area and remove all the old sealant.
  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. We check every room and give its cure time for housekeeping.

Before we arrive

  • On commercial sites, let us know about site rules
  • Tell us about access, such as stairs, a lift or high-level joints
  • Try not to wet indoor joints just before the visit

Get a quote

Need a quote? Please ring 0345 464 0079 or send us an email with a few details. We’ll explain what we’d do and give you a clear price before work begins.

Get a price

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