Greater London · England
Floor & skirting joints in Hornsey, Greater London
Our applicators work in Hornsey on sealing skirting-to-floor joints, tiled floor movement joints and concrete floor joints. Old material cut out, joints cleaned and sealed neatly and a one-year guarantee.
- Skirting caulk that keeps splitting
- Grout cracking in a straight line across a floor
- Rigid edge joints in tiled floors
The process
A visit follows a simple pattern: we check the joints, mask and protect the surrounding surfaces, carry out the job and tidy away. It usually takes a few hours for most rooms, longer for large commercial floors. In Hornsey, flats, stairs and shared entrances are part of the routine. Mention any building rules, key holders or managing agents when you book.
- 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.
- The joint is tooled to a neat finish and we tell you when it can take feet and a mop.
How to prepare
- Let us know about stairs, lifts or work at height
- Mention if the joints have been sealed before
- Mention any parking rules near the property
Getting a quote
Need a quote? Please call 0345 464 0079 or email us and tell us about the job. You’ll know what we plan to do, and what it will cost, before any work begins.
Related advice
Floor joint sealing in Hornsey
Concrete floors in warehouses and units have joints that take heavy wear. We reseal them with a product chosen for the movement and the traffic. If you have rigid edge joints in tiled floors and open joints around bathroom floor edges, we can put it right, whatever the surface.
From brand-new flats to converted terraces with new flooring, London has every kind of floor. Wherever a floor meets a wall, a skirting or a threshold, the joint has to allow for movement.
Your job is guaranteed for a year, as with all our work.
- Location
- Hornsey (N8, N22)
- Region
- Greater London
- Cover
- 12 months on all our work
- Price
- Quoted before any work starts
- Phone
- 0345 464 0079
- Page updated
- 26 October 2026
When to call us in Hornsey
Wheels crossing an unfilled concrete joint chip its edges. Hard wheels damage the joint edges and the joint gets wider.
The problems people normally mention when they call include:
- Caulk that has cracked where the floor moves
- Open joints around bathroom floor edges
- Perimeter joints in tiled floors filled with grout
- Dirt and water collecting in open floor joints
Hornsey is in London, so parking needs planning: tell us about permits, visitor bays or off-street space when you book.
Comparing quotes
- How hidden problems are handled
- How the joint is cleaned and prepared
- When the joint can take water or movement
- The length of the guarantee
Places near Hornsey
Other services in Hornsey
Why act early in Hornsey
Open joints along wet floors let water into the subfloor and behind skirting. Dealing with it early keeps the repair to the joint. In a flat in Hornsey, failed sealant seldom stays inside your own four walls: water from a shower or window joint can reach the flat below, and gaps in fire-stopping matter to everyone in the building.
There are no prices on our website, because the cost depends so much on the job itself. Call for a quick quote.
Why Hornsey customers choose us
- Tidy, careful work
- ARBOMaster approved applicator
- We are fully insured
- 4.9 on Google from 180+ five-star reviews
Read our cost guide and what customers say.
Should I try it myself first?
Some sealant jobs are within reach of a careful DIYer, such as a straightforward joint indoors. The common mistakes are sealing over old sealant, sealing a damp joint and using far too much.
If you’re set on DIY, put the effort into preparation: take out all the old sealant, make sure the joint is clean and dry, and give it the full cure time. If it does not work out, we can still put it right.
What the job involves on each surface
Concrete floor joints
Sawn joints in concrete floors control where it cracks. We reseal them with a floor-joint product suited to the traffic.
Thresholds
Two different floors meeting at a threshold move differently. A flexible sealant bridges them.
Floor joint sealing around Hornsey
Much of London’s new housing is flats in larger developments, where snagging may go through the developer or managing agent. Floors around Greater London run from suspended timber in older homes to concrete in newer houses and units, and each moves in its own way. That’s why the skirting and threshold joints need a flexible seal.
Schools such as St Mary's CofE Primary School are buildings too, and floor joints in corridors, halls and entrances take heavy wear and need resealing before the edges break up. If you look after a church, hall or community building such as Church of Holy Innocents, floor and skirting joints in halls and kitchens wear like any others.
Hornsey is about 3 miles east of Finchley, in Greater London. For floor joint sealing in and around Hornsey, please call 0345 464 0079 or drop us an email for a quick quote. We cover Greater London from our Crawley base. Hornsey is one of 764 towns and villages in Greater London where we work. London is on our list too, around 6 miles away.
We work across N8 and N22 for floor joint sealing. That includes homes and businesses on High Street, Brandon Place and Cross Lane. We also cover the places around Hornsey: Turnpike Lane (1 mile east), Crouch End (1 mile south-west), Stroud Green (1 mile south-east), Wood Green (1 mile north-east) and Noel Park (1 mile north-east). Within a short drive, we also cover London (6 miles south), City of Westminster (5 miles south), Marylebone (5 miles south), Kensington (7 miles south-west), St Pancras (4 miles south) and Shoreditch (5 miles south).
Near you in Hornsey
In Hornsey, that means homes and buildings near Great Northern Railway pub, Priory Park and Greek Secondary School of London. There’s a railway station in Hornsey itself: Hornsey station. A little further out are Hornsey Central Hospital (0.7 miles west) and Broomfield House Museum (2 miles north). For a walk, there’s Darland's Lake and Highgate Hill.
What affects the quote in Hornsey
Your quote is based on your job. We take into account:
- The type of sealant required
- Whether there’s mould to deal with
- Any working-time requirements on site
- Whether the work is at height
The cost depends on the size of the job, how much old material has to come out and access to the work. You will have a clear quote before any work starts.
Asking for a quote
The more you tell us, the more accurate the quote. When you get in contact, it helps to mention:
- What the problem is, such as mould, gaps, leaks or cracking
- How we’d reach the joints
- If it’s domestic, commercial or a hotel
- Roughly how big the job is
Call for a quick quote, or send an email if you’d rather. Tell us about the joints that need doing and we’ll talk you through the work and give you a clear price.
Your questions about floor joint sealing in Hornsey
Is parking an issue for floor joint sealing in Hornsey?
Parking in Hornsey, as in most of London, takes a little planning: a visitor permit or a nearby bay makes the day run more smoothly.
Can you do floor joint sealing in Hornsey?
Yes, Hornsey is within the area we cover. We work across London and the South East. You can phone 0345 464 0079 or email us and let us know what needs doing.
Which products do you use?
Products from Arbo and Everbuild, among others, picked for each joint. We’ll tell you what we are using and why.
Do you have insurance?
Yes. We are fully insured for domestic and commercial work.
How long will you be here?
A typical job takes a few hours, depending on the length of joint, including the preparation. Your quote will say how long we expect yours to take.
Can I add another job to the visit?
Yes, and it often makes sense. Combining jobs makes good use of the visit.
Where is Mr Mastic based?
Our base is Crawley, with over 20 years’ experience. Our area covers South East England, London and Scotland.
I’m a tenant. Can you help?
Of course. Check with your landlord; we can send the quote to them too.
Work for landlords, hotels and businesses
Failed sealant is one of the commonest items on a check-out report. We can quote for more than one property at once.
For anyone letting property in or around Hornsey, several properties can be quoted together. Just tell us the addresses and what each one needs, and pictures by email help.