East Sussex · England
Commercial & hotel sealant in Blackboys, East Sussex
Sealant work for offices, hotels, washrooms and commercial buildings in Blackboys, with a 12-month guarantee on every job. Call for a quick quote.
- Too many rooms to reseal without closing the building
- Black, stained silicone in guest bathrooms
- Leaking joints in shower rooms and changing areas
Commercial sealant in Blackboys
Landlords and agents with several properties can have bathrooms and kitchens resealed between tenancies. Several addresses can go on one quote. If you have failed joints in office kitchens and tea points and washrooms that need sorting before an inspection, we can help.
If you have holiday lets, a converted barn used for business or a community building near Blackboys, the washrooms, kitchens and any fire-rated joints need the same care as a big site.
There’s a 12-month guarantee on every job, large or small.

- Location
- Blackboys (TN22)
- Wider area
- East Sussex
- Cover
- One year on every job
- Quotes
- A clear quote up front
- Telephone
- 0345 464 0079
- Page updated
- 26 October 2026
Blackboys: your questions answered
Can you help a landlord with a rental near Buxted station?
Yes, we work for landlords and agents. Just phone 0345 464 0079 or email us and tell us about the property, and we’ll send you a clear quote.
Is Blackboys within the area you cover?
Yes, smaller places are covered as well as towns. Our work covers London and the South East. Let us know about access, parking and anything unusual about getting there when you book.
Can I choose the sealant colour?
Yes. Sealants come in white, clear, grey and other colours for many products, and we will agree it with you first.
Can I do it myself?
Sometimes. Preparation is everything: all the old sealant out, and a clean, dry joint. If it doesn’t work out, we can redo it.
Is commercial work guaranteed?
Yes. We give a 12-month guarantee on every job and are fully insured.
What do you need from me for a quote?
Only a few details: the address or postcode, what’s wrong and any access issues. Then ring 0345 464 0079 or drop us an email.
Where is Mr Mastic based?
Our base is Crawley. We work across South East England, London and Scotland.
Does someone need to be in?
If the work is inside, we need someone to let us in. After that, you can carry on with your day.
How we quote for commercial sealant
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
- Which sealant suits the joint
- Any mould that needs treating
We don’t show prices on the website, because the cost depends so much on the job itself. For a quick quote, please ring 0345 464 0079 or send us an email.
Asking for a quote
Photos by email are helpful but not essential. Please mention:
- Access, such as stairs, a lift or height
- The address or postcode of the job
- What the problem is, such as mould, gaps, leaks or cracking
- If it’s domestic, commercial or a hotel
Getting a quote is simple: let us know what needs doing and where, and roughly how big it is. Photos by email help us understand the job.
What commercial sealant looks like in Blackboys
Most of the South East has hard water, which leaves limescale on sealant, grout and fittings.
For site and facilities teams at buildings such as Blackboys Church of England Primary School, washroom and kitchen sealant can be programmed around term times or opening hours.
Blackboys is about 3 miles east of Uckfield, in East Sussex. Across the TN22 area, we can carry out commercial sealant at your property. Our East Sussex coverage runs to 289 places, Blackboys among them. We also work in Brighton, about 16 miles from Blackboys.
Every address in TN22 is covered for commercial sealant. Commercial sealant is available to properties on High Street, Mount Pleasant and Gun Road. Main roads around Blackboys include the B2102, which makes travel easy. Neighbouring places we cover for commercial sealant include Etchingwood (1 mile north-west), Framfield (1 mile west), Potter's Green (2 miles north-west), Buxted (2 miles north-west) and Hadlow Down (2 miles north). We also work in nearby towns such as Eastbourne (13 miles south-east), Bexhill-on-Sea (15 miles south-east), Seaford (13 miles south), Lewes (9 miles south-west), Hailsham (8 miles south-east) and Crowborough (6 miles north).
Local landmarks in Blackboys
In Blackboys, that means homes and buildings near Blackboys Inn and Passingworth Park, among other places. The closest station to Blackboys is Buxted station, about 2.3 miles north-west of the centre. Nearby you’ll also find Uckfield Community Hospital (2.6 miles west) and Sussex Farm Museum (3.9 miles south-east). Green spaces nearby include Selwyns Wood.
Nearby places to Blackboys
More services for Blackboys
What we are called out for in Blackboys
A rushed reseal between guests rarely lasts. New silicone over old, joints that weren’t dried, or an unsuitable product means the joint fails again soon.
Signs it’s time to call us include:
- Rental bathrooms that need resealing between tenants
- Too many rooms to reseal without closing the building
- Worktop sealant that has shrunk and stained
- Washrooms that need sorting before an inspection
Letting a property close to Buxted station? Then sealant work can be quoted for a single flat or a whole portfolio.
Before booking anyone
- How long to leave it before use
- Is VAT in the price?
- Are they insured?
- Is the old sealant removed completely?
DIY sealant or a professional job?
Some jobs are best left to a professional: work at height, external movement joints, fire-rated sealant and large areas need the right product, the right access and the right method.
If you’ve already had a go yourself, that is fine. We remove it and do the joint properly, so just mention it when you contact us.
Keeping the joints in good condition
To keep the joints looking good and working properly:
- Plan resealing around quiet periods
- Note the date each area was done
- Give housekeeping the cure time for every room
- Act on lifting sealant before it leaks
Make it easy for staff to flag a failing joint. Catching one split early can save a leak later, and if anything looks wrong, just phone 0345 464 0079 or send us an email.
Black sealant in a staff washroom or guest bathroom draws complaints. The longer it’s left, the deeper it grows into the silicone, and only replacement fixes it.
Why deal with it now?
Sealant is easy to forget until an audit or inspection is due. Booking it in good time leaves room for the cure time before the visit, without a last-minute rush. In a small place like Blackboys, homes can be exposed to wind and rain, which finds any gap, and older walls, once damp, take a long time to dry.
Homes and businesses are quoted the same way: the amount of work, the access and the products needed, plus any working-time requirements on site. Call for a quick quote and we’ll explain what it covers.
Why choose Mr Mastic in Blackboys
- We are fully insured
- ARBOMaster approved applicator
- Any old sealant cut out fully, not covered over
- Rated 4.9 stars on Google
Read what affects the cost or our reviews.
The process
We work through the job in order: protect, prepare, seal, tidy. Typically it takes as long as the scope needs, from one welfare room to a full building. Somewhere as small as Blackboys, access is often the only tricky part. If the job is outside, mention outbuildings, exposed walls and how to reach them.
- First we visit and agree the scope, the sequence and the working hours.
- Room by room, we protect the area and remove all the old sealant.
- Joints are cleaned, treated for mould and dried.
- Anti-fungal sanitary silicone goes into wet areas, with suitable sealants elsewhere.
- Rooms are checked and returned with a cure time so staff know when to use them.
Preparing for the visit
- Let us know if you’ve seen damp or leaks
- Where the joints are inside, avoid wetting them before we arrive
- Mention any parking rules near the property
Getting a quote
Call for a quick quote, or send an email if you’d rather. Describe what needs sealing and we will talk you through the work.
Read more
For landlords and businesses
In hotels, rooms out of use cost money, so we plan the work room by room. Hotel work is part of what we do, alongside homes and businesses.
For anyone letting property in or around Blackboys, jobs at different addresses can go on one quote. Send us the addresses and the work at each, and photos by email help.
