West Sussex · England
Furnace Green Floor Joint Sealing
Floor joints in Furnace Green need attention? We remove the old material, prepare the joints and seal them properly, and the work is guaranteed for a year.
- Floor edges that trap water and grime
- Cracked caulk along skirting in bathrooms and kitchens
- Skirting that has pulled away from the floor
How the visit works
At the end, we look at the finished work together. The work normally takes a few hours for most rooms, longer for large commercial floors, depending on how much there is to do. In a smaller place like Furnace Green, parking is seldom the issue; lanes, gates and long drives are worth mentioning. If the job is outside, tell us about side access and how high the joints are.
- First we check the joint and the floor and agree which sealant suits it.
- We take out any old caulk, sealant or grout along the line.
- The joint is cleaned, vacuumed and backed where depth needs controlling.
- The sealant goes in, chosen for the floor and coloured to suit it.
- Finally we tool it smooth and explain when the floor can be used and cleaned.
Getting ready for the visit
- Plan for the work area to be out of bounds to pets and children
- Tell us about any previous sealing or DIY attempts
- For business premises, tell us about site rules or sign-in
How to get a quote
To get a quote, phone 0345 464 0079 or send us an email and tell us where the job is and what the problem looks like. You will have a clear quote before any work starts.
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How we handle floor joint sealing in Furnace Green
We seal floor joints in homes, offices and commercial buildings across Furnace Green. Each job starts with looking at the floor and the gap, because the right sealant depends on both. If you are dealing with tiled floors with no room to move and open joints that fill with dirt, we can help, on commercial floors, concrete floor joints and wet room & bathroom floors alike.
In and around Furnace Green, floors range from older timber boards to tiles and newer finishes, each moving in its own way. The sealant at skirtings and thresholds has to suit the floor it meets.
The work is guaranteed for twelve months. If something is not right with it in that time, tell us and we will put it right.
- Location
- Furnace Green (RH10)
- Region
- West Sussex
- Guarantee
- A year, on every job
- Quote
- A clear price before work begins
- Telephone
- 0345 464 0079
- Updated
- 26 October 2026

What we can’t put right
We’ll always be straight with you, so here’s what sealant cannot fix:
- Loose, hollow or cracked tiles, which need a tiler
- Floors that are uneven or need levelling
- Cracked or broken concrete slabs
If you’re not sure, just phone 0345 464 0079 or drop us an email and we’ll give you a straight answer.
Surfaces we seal
- Skirting boards
- Commercial floors
- Concrete floor joints
- Tiled floors
- Wet room & bathroom floors
- Thresholds
What affects the cost of floor joint sealing
The price is agreed before any work begins. It’s based on:
- Working hours on commercial sites
- The number of rooms or windows
- The type of sealant required
- Access and height
What it costs depends on how much there is to do, how hard the old material is to remove and access to the work. You will have a clear quote before any work starts, so you know where you stand.
What to tell us for a quote
A few details help us give you an accurate quote. When you get in contact, it helps to mention:
- A few photos by email, if you can
- Roughly how big the job is
- Whether it has been sealed before
- Where the job is, and your postcode
The more we know about the job, the more useful the quote. Let us know the location, the problem and roughly how many joints.
DIY sealant or a professional job?
Not every job suits DIY: high-level joints, fire-rated gaps, external movement joints and big jobs call for the right materials, safe access and experience.
Sealing over old silicone is the commonest DIY error. Silicone does not stick to old silicone, so it lifts and traps water and mould underneath. Everything old must be removed first.
Furnace Green: your questions answered
Do you cover Furnace Green for floor joint sealing?
Yes, Furnace Green is within the area we cover. We work across London and the South East. Just ring 0345 464 0079 or send us an email with a few details of the job, and we’ll send you a clear quote.
Can you help a landlord with a rental near Three Bridges station?
Yes, we work for landlords and agents. You can phone 0345 464 0079 or send us an email with the address and a few details, and we’ll give you a fixed price before any work starts.
What should I tell you?
Only a few details: the address or postcode, what’s wrong and any access issues. Then phone 0345 464 0079 or drop us an email.
What causes gaps between the floor and skirting?
Timber floors and skirting shrink and swell through the year. We close it with a flexible sealant that moves with the floor.
Do I have to be there?
For indoor joints, yes, someone needs to let us in. Once we’ve agreed the job, you don’t need to watch us work.
Do you hold any approvals?
Yes. We hold ARBOMaster approved applicator status and we are fully insured too.
My floor grout keeps cracking in a line. Can you help?
Often, yes, where it suits the floor. We remove the grout and seal the line with flexible sealant.
How long does floor joint sealing take?
Typically it takes a few hours for most rooms, longer for large commercial floors. Bigger jobs take longer.
Why it’s worth doing now in Furnace Green
The right product depends on the floor and the traffic: flexible sealant for skirting and tiles, silicone in wet areas, and floor-joint products for concrete. Getting that choice wrong is a common reason joints fail. In a smaller place like Furnace Green, wherever a wall is exposed, a failed outside joint is a real source of damp. Inside, a split seal lets water into floors and panels just as it would anywhere.
Homes and businesses are quoted the same way: how much there is to do, how we reach it and what it needs, along with when we can work on site. Call for a quick quote and we will explain what it covers.
Why choose Mr Mastic in Furnace Green
- Over 20 years’ experience
- A 12-month guarantee on all work
- Homes, businesses and hotels
- An ARBOMaster approved applicator
Take a look at our cost guide or customer reviews.
Places near Furnace Green
More services for Furnace Green
For landlords and businesses
Housing providers, facilities teams and property managers book us too. We can quote a run of properties together.
Businesses can book us for washrooms, kitchens, offices and more. For commercial premises, we can talk through working times when we quote.
Joints and finishes in Furnace Green homes
Floors around West Sussex run from suspended timber in older homes to concrete in newer houses and units, and they don’t all move the same way. The joint at the skirting or threshold has to allow for that. Furnace Green is part of Crawley, one of the post-war new towns. Newer neighbourhoods have been added to Crawley over the years, so brand-new homes and homes from the post-war decades sit within a short drive of each other. Newer homes need snagging; older ones need their joints renewing.
Letting a property close to Three Bridges station? Then a tidy floor and skirting joint helps a rental look ready for the next tenant. Community buildings like St Andrew's Church are part of the picture too: floor and skirting joints in halls and kitchens wear like any others. Managing a site like Brook Infant School? Then entrance and corridor floor joints take a lot of traffic.
Furnace Green is about 2 miles south-east of Crawley, in West Sussex. We carry out floor joint sealing for householders, landlords and businesses in Furnace Green and the surrounding area, as part of our work across West Sussex. 371 places in West Sussex are on our list, from the larger towns to small villages.
We cover every part of RH10 for floor joint sealing and the streets around it. Floor joint sealing is available to properties on Marion Road, Holder Road and Bolton Road and the roads around them. We also cover the places around Furnace Green: Pease Pottage (2 miles south-west), Worth Abbey (2 miles east), Balcombe Lane (2 miles south-east), Balcombe (3 miles south-east) and Staplefield (4 miles south). We also work in nearby towns such as Horsham (7 miles west), Haywards Heath (7 miles south), Burgess Hill (10 miles south), East Grinstead (7 miles east), Billingshurst (14 miles south-west) and Bewbush (3 miles west).
What’s near Furnace Green
Around Furnace Green, our work takes us to homes and buildings near Oriel High School, The Charcoal Burner pub and Tilgate Park, among other places. Furnace Green’s nearest station is Three Bridges station, about 1.2 miles north of the centre. Nearby you will also find Crawley Museum (1.8 miles north-west) and Crawley Hospital (2 miles north-west). The countryside around Furnace Green includes Tilgate Lake.
Different surfaces, different methods
Skirting boards
Skirting-to-floor joints are a regular job for us. The old caulk is removed first.
Commercial floors
Washroom and kitchen floors in commercial buildings need sound edge joints. We reseal them with a sealant suited to wet areas.
