Medway · England
Upper Upnor Commercial Sealant
Our applicators work in Upper Upnor on sealant work for offices, hotels, washrooms and commercial buildings. Old sealant removed completely, joints prepared properly and a 12-month guarantee.
- Whole floors of tired en suites
- Worktop sealant that has shrunk and stained
- Leaks from showers into rooms or ceilings below
Commercial sealant in Upper Upnor
Landlords and agents with several properties can have bathrooms and kitchens resealed between tenancies. Several addresses can go on one quote. We are often asked to deal with rental bathrooms that need resealing between tenants and worktop sealant that has shrunk and stained, across office washrooms & kitchens, hotel bathrooms and retail & leisure sites.
In a village or hamlet like Upper Upnor, commercial work is more likely to be a pub, a farm shop, holiday lets or a village hall than an office block. Each still needs sound sealant in its washrooms and kitchens, and fire-rated joints where services pass through walls.
A 12-month guarantee comes as standard.

- Location
- Upper Upnor (ME2)
- Wider area
- Medway
- Cover
- A year, on every job
- Price
- A clear price before any work starts
- Telephone
- 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 be quoted together.
We regularly work with letting and managing agents. Tell us the address, the job and how access works and we will quote.
Quotes for commercial sealant in Upper Upnor
The price is agreed before any work begins. It takes into account:
- The old material and how stubborn it is
- When we can work, for business premises
- The product the joint needs
- Whether the work is at height
No two jobs are quite the same, so we quote each one individually. Size, access and the product the joint needs all play a part, and we’ll explain the quote if you ask.
What we need to know
What to tell us when you ask for a quote:
- A few photos by email, if you can
- Whether it has been sealed before
- Roughly how big the job is
- How we’d reach the joints
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.
When to call us in Upper Upnor
Heavy use means more movement: different weights, constant use and daily cleaning all work at the joint. A tray that is not fully supported soon tears its seal.
Any of these means the joints need attention:
- Washroom sealant that looks dirty however often it’s cleaned
- Too many rooms to reseal without closing the building
- Joints that need doing before an inspection or audit
- Repeated reseals that do not last
If you look after a church, hall or community building such as St Philip & St James, halls and community kitchens see heavy use, and their sealant shows it.
What to look for in a quote
- How long the guarantee is
- What insurance they hold
- Who does the work, and how experienced they are
- Which colour the sealant will be
Leave it or put it right?
Before an inspection, audit or busy season, sealant is easy to overlook. Booking it in good time leaves room for the cure time before the visit, without a last-minute rush. Older cottages and farmhouses around Upper Upnor can have timber floors and frames, where water from a failed joint can cause rot if it’s left.
Leaving a failed joint normally makes the job bigger, not smaller. If you’re not sure whether it needs doing, phone 0345 464 0079 or drop us an email for an honest opinion and a quote.
Why choose Mr Mastic in Upper Upnor
- An ARBOMaster approved applicator
- Anti-fungal silicone where joints get wet
- Arbo and Everbuild products
- Sealant colour chosen to suit
Read what affects the cost or customer reviews.
Commercial sealant in Upper Upnor: local notes
If you run a hotel, guest house or holiday let in a coastal place like Upper Upnor, heavy use in the busy months is hard on washroom and kitchen sealant, and any building work there should leave fire-rated joints made good. Upper Upnor has hotels and guest accommodation in and around it. Hotel work can be planned room by room, with out-of-hours working where needed.
If you let a flat or house near Strood station, several rental properties can be resealed on one programme. Managing a site like Wainscott Primary School? Then busy washrooms and kitchens can be resealed in phases so they stay open.
Upper Upnor is about 2 miles north-east of Rochester, in Medway. Jobs in Upper Upnor get the same care as everywhere else we work: old sealant removed completely, careful preparation and a one-year guarantee. We cover 68 towns and villages across Medway. Chelmsford is on our list too, about 23 miles from Upper Upnor.
Our applicators cover all of the ME2 postcode area for commercial sealant and the streets around it. Whether your property is on High Street, Upnor Road and Castle Street or a nearby road, our applicators can take on the job. Other places close to Upper Upnor include Lower Upnor (1 mile north-east), Wainscott (1 mile north-west), Chattenden (1 mile north), Hoo St Werburgh (2 miles north-east) and Cooling Street (3 miles north). Further out, we also cover Gillingham (3 miles south-east), Chatham (3 miles south), Rainham (5 miles south-east), Luton (3 miles south), Park Wood (5 miles south-east) and Lordswood (5 miles south).
Landmarks near Upper Upnor
In Upper Upnor, that means homes and buildings near The Kings Arms, Lower Lines Park and Waterfront University Technical College and the streets around them. You’ll also find Former Ordnance Store At Chatham Gun Wharf (1.4 miles south) and Waterfront UTC (1.3 miles south-east). The nearest railway station is Strood station, roughly 1.2 miles south-west. Well-known places in the area include French Hospital (1.5 miles south-west) and Pentagon Shopping Centre (1.6 miles south). For a walk, there’s Gad's Hill and Rede Common.
DIY sealant or a professional job?
Not every job suits DIY: high-level joints, fire-rated gaps, external movement joints and big jobs need the right product, the right access and the right method.
Too much sealant is as bad as too little. A heavy bead looks messy and copes badly with movement, and the joint depth matters as much as the finish.
Your questions about commercial sealant in Upper Upnor
Is Upper Upnor within the area you cover?
Yes, smaller places are covered as well as towns. We work across London and the South East. Let us know about access, parking and anything unusual about getting there when you book.
Do you work for hotels and guest houses in Upper Upnor?
Yes, we work for hotels as well as homes and businesses. Rooms can be done a few at a time, so the building stays open.
Can I add another job to the visit?
Yes. Tell us about everything you’d like done and you’ll get one quote.
What does commercial sealant cost?
Every job is different, so each one gets its own quote. For a quick quote, ring 0345 464 0079 or drop us an email with a short description of the job.
Do you remove the old sealant?
Yes. All of the old material is cut out and the joint cleaned before applying anything new.
Does someone need to be in?
That depends on where the joints are. Inside work needs someone to give us access, and for outside work we will agree access with you when we book.
Is out-of-hours working possible?
Early starts and out-of-hours work can be arranged. Let us know your hours when you get in touch.
How long does commercial sealant take?
It depends on the size of the job, but most jobs take a morning for a small washroom, and a planned programme for bigger sites. We’ll tell you when we quote.
Towns and villages near Upper Upnor
Also in Upper Upnor
What happens on the day
Good joint work is mostly preparation, so that is where we spend the time. Joints are cleaned back and dried before anything new goes in. In total, it normally takes a morning for a small washroom, and a planned programme for bigger sites. Somewhere like Upper Upnor needs a little journey planning: tell us about narrow lanes, gates, long drives and where we can park. We bring what the job needs, so it can be finished in one trip where possible.
- We agree a programme with you: which rooms, in what order, at what times.
- Tell us what paperwork your site needs, and we confirm what we can supply before work begins.
- Old sealant is cut out room by room and joints cleaned and treated.
- Anti-fungal sanitary silicone goes into wet areas, with suitable sealant elsewhere.
- Each finished area is checked with you and given a cure time.
Preparing for the visit
- Tell us about any previous sealing or DIY attempts
- Plan for the work area to be out of bounds to pets and children
- Tell us if parking is tricky
Get a quote
Asking for a quote is easy: let us know the job and the location and its rough size. Photos by email help us understand the job.
Related advice
Looking after it afterwards
Good habits help new joints last longer. A few tips:
- Check extract fans are actually running
- Include the silicone on your room checklists
- Use mild cleaners on sealant, not bleach or abrasives
- Tell cleaning staff when each room can be used
Ask staff to report splits or lifting sealant early. A small gap caught quickly is a short fix, and if anything looks wrong, just ring 0345 464 0079 or drop us an email.
Mould in shared washrooms gets noticed and talked about. Left long enough, it spreads through the bead, and only replacement fixes it.
