Kent · England
Floor & skirting joints in Gravesend, Kent
Floor joint sealing in Gravesend from a team with over 20 years’ experience. 180+ five-star Google reviews and a 4.9 rating.
- Gaps at thresholds between rooms
- Tiled floors with no room to move
- Failed seals where bathroom floors meet baths and panels
Why act early in Gravesend
An open concrete floor joint gets wider every time something heavy crosses it. A sealed joint supports the edges before they need a bigger repair. In a family home in Gravesend, a failed seal around a bath or a frame lets water into places you can’t see, such as under the floor, behind a panel or into a wall. Whatever the joint, failed sealant only gets worse.
Instead of a standard rate, we look at what your job involves: the amount of work, the old material and the access. The price is agreed before we begin.
Why choose Mr Mastic in Gravesend
- 20+ years of sealant experience
- Every job guaranteed for a year
- Full insurance on every job
- We leave the area clean and tidy
How we handle floor joint sealing in Gravesend
Across Gravesend, we seal floor and skirting joints in homes and businesses. Each job starts with looking at the floor and the gap, because the right sealant depends on both. If you are dealing with gaps opening between the floor and skirting and cracked caulk along skirting in bathrooms and kitchens, we can help, on thresholds, skirting boards and tiled floors alike.
Small business units and shops in a town like Gravesend have floors that take heavy wear. Threshold and floor joints are best resealed before their edges start breaking away.
We stand behind the work with a one-year guarantee, so you’re covered after we’ve gone.
- Location
- Gravesend (DA12, DA11)
- Wider area
- Kent
- Guarantee
- One year on every job
- Quote
- A clear price before work begins
- Phone
- 0345 464 0079
- Last updated
- 26 October 2026

Questions from Gravesend
Is Gravesend in your area for floor joint sealing?
Yes. We work across London and the South East, and Gravesend is part of that. Just phone 0345 464 0079 or email us with a few details of the job, and we will send you a clear quote.
Is there a guarantee on floor joint sealing in Gravesend?
All our work, in Gravesend and everywhere else, comes with a 12-month guarantee. We’re also fully insured and ARBOMaster approved.
Will I be able to paint over the new joint?
For painted skirting, we use a flexible product that can be painted. Silicone is not made to be painted, so it’s kept for wet areas and unpainted joints.
What causes gaps between the floor and skirting?
Usually it’s movement: timber drying in winter, floors settling, or caulk that can’t stretch. A flexible sealant stays closed as the floor moves.
Are you fully insured?
Yes. We are fully insured.
Is it messy?
No. We protect the surfaces around the joints, and we clear up the old sealant and our materials before we leave.
Do you work on commercial floors?
Yes, from warehouses and units to offices and shops. We can plan around your opening times.
Can you match the sealant colour?
Generally, yes. White, clear and grey are common, and other colours are available for many products, and we agree the colour with you before any work starts.
For landlords and businesses
We regularly work with letting and managing agents. Send the address, what’s needed and the access arrangements and we’ll give you a quote.
We also work for property managers and facilities teams in Gravesend and across Kent. We can quote a run of properties together, and we’re fully insured.
What affects the cost of floor joint sealing
The quote reflects the job in front of us. We look at:
- How easy the joints are to reach
- The type of sealant required
- The number of rooms or windows
- Whether there’s mould to deal with
The cost depends on the amount of work, how hard the old material is to remove and access to the work. You will have a clear quote before any work starts.
Helping us quote
When you contact us, these details help:
- Roughly how big the job is
- What’s wrong with the joints now
- Any previous sealing or DIY work
- Whether it’s a home or a business
For a quick quote, get us on the phone, or send an email if you’d rather. Tell us about the joints that need doing and we’ll explain what’s involved before giving you a price.
Floor joint sealing around Gravesend
Floors around Kent 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.
Letting a property close to Gravesend station? Then gaps at skirtings and thresholds are worth sealing between tenancies. For site and facilities teams at buildings such as Whitehill Primary School, floor and threshold joints in busy corridors wear quickly and are best resealed early.
Gravesend is about 9 miles north-west of Gillingham, in Kent. Our applicators cover floor joint sealing for householders, landlords and businesses in Gravesend and the surrounding area, as part of our work across Kent. Gravesend is one of 922 towns and villages in Kent where we work for floor joint sealing. You can also see our page for London, about 21 miles away.
Here we cover the DA12 and DA11 postcode area for floor joint sealing. Whether your property is on Christ Church Road, Hillside Drive and Laurel Avenue or anywhere close by, our applicators can take on the job. You will find Gravesend on the A2 and A226, which makes it straightforward to reach with everything needed for floor joint sealing. We also cover Windmill Hill (1 mile north-west), Milton-next-Gravesend (1 mile north-east), Denton (1 mile east), Singlewell or Ifield (1 mile south) and Northfleet (1 mile west). Within a short drive, we also cover Maidstone (13 miles south-east), Dartford (7 miles west), Sevenoaks (13 miles south-west), Swanley (9 miles west), Kings Hill (11 miles south) and Foley Park (12 miles south-east).
Local landmarks in Gravesend
Typical jobs here are in homes near Northfleet Urban Country Park, St John's Catholic Comprehensive and St John's Catholic Comprehensive. Gravesend’s nearest station is Gravesend station, roughly 0.9 miles north-west of the centre. A little further out are Gravesham Museum (0.9 miles north-west) and Stone Castle (4.5 miles west). Open spaces near Gravesend include Sawyers Lake and Gad's Hill.
What happens on the day
At the end, we look at the finished work together and tell you how long to leave it. The visit itself generally takes a few hours for most rooms, longer for large commercial floors, depending on the amount of work. For a job in Gravesend, we need access to where the work is and somewhere nearby to park. For outside work, let us know about side access, gates and any upper-floor joints.
- First, the floor type, the gap and the traffic are checked.
- We remove what’s in the joint now.
- The joint is vacuumed clean and backing fitted where needed.
- We apply the sealant in a colour that suits the floor.
- We tool it neatly and tell you when it can be walked on and cleaned.
Getting ready for the visit
- Keep children and pets away from the work area
- Mention any tricky access
- Tell us if parking is tricky
Get a quote
Need a quote? Please ring 0345 464 0079 or drop us an email with a few details. We’ll explain what we’d do and give you a clear quote before any work starts.
Advice
Do you need floor joint sealing in Gravesend?
Wheels crossing an unfilled concrete joint chip its edges. Hard wheels damage the joint edges until the joint widens.
People normally contact us after spotting one of these:
- Gaps between floors and kitchen plinths
- Concrete floor joints that have broken down
- Caulk that has cracked where the floor moves
- Grout used at the floor edge instead of sealant
If you look after a church, hall or community building such as Christ Church Milton, floor and skirting joints in halls and kitchens wear like any others.
Questions to ask before you book
- When the joint can take water or movement
- Whether VAT is included
- What happens if they find a problem under the old sealant
- What guarantee comes with the work
Looking after it afterwards
After the cure time, these simple habits help:
- Vacuum floor joints regularly to stop grit building up
- Check skirting joints after the heating season
- Cone off fresh joints until they’re ready
- Have a cracking tiled floor checked before tiles break
Have a look at the joints once the heating season is over. If anything has opened, it’s easy to reseal.
Small gaps are quick to seal. Ignored, they fill with dirt and open further over time.
Towns and villages near Gravesend
What else we do in Gravesend
When something else is needed
Sealant isn’t the answer to every problem, and we will tell you before we start. It won’t solve:
- Large cracks that need a surveyor
- A tiled floor that needs relaying
- Damaged concrete that needs breaking out and repairing
If in doubt, ring 0345 464 0079 or send us an email and we’ll say what we think.
Joints and surfaces we work on
- Tiled floors
- Commercial floors
- Thresholds
- Skirting boards
- Wet room & bathroom floors
- Concrete floor joints
