Greater London · England
Palmers Green Floor Joint Sealing
We cover Palmers Green for sealing skirting-to-floor joints, tiled floor movement joints and concrete floor joints. Old material cut out, joints cleaned and sealed neatly and every job guaranteed for a year.
- Gaps opening between the floor and skirting
- Failed seals where bathroom floors meet baths and panels
- Worn sealant at door thresholds
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.
Sealing over old silicone is the commonest DIY error. Silicone doesn’t stick to old silicone, so it lifts and traps water and mould underneath. Everything old must be removed first.
Floor joint sealing in Palmers Green
Wet-area floor joints keep water out of the gap behind skirting and plinths. A flexible silicone seal keeps it out and stops dirt collecting. If you have cracked caulk along skirting in bathrooms and kitchens and rigid edge joints in tiled floors, we can help, whatever the surface.
Much of London’s new housing is flats in larger developments. In a new development, snags are often reported through the developer or the managing agent, and shower seals that fail early, skirting joints that open up and gaps at thresholds are all common snags.
We stand behind the work with a 12-month guarantee.
- Location
- Palmers Green (N13, N22, N11)
- Region
- Greater London
- Guarantee
- One year on every job
- Quote
- Quoted before any work starts
- Telephone
- 0345 464 0079
- Last updated
- 26 October 2026
What happens if it’s left?
Open joints along wet floors let water into the subfloor and behind skirting. Sealing them now keeps the problem at the surface. In older London homes, water behind a failed joint soaks into brick and timber without much sign, and by the time it shows on a wall or ceiling in Palmers Green, the repair is bigger than the sealant job would have been.
Rather than a set price list, we price the job in front of us: the amount of work, the old material and the access. You’ll know the price before we begin.
Why choose Mr Mastic in Palmers Green
- Any old sealant cut out fully, not covered over
- White, clear, grey or another colour, product permitting
- We leave the area clean and tidy
- A 12-month guarantee on all work
See what affects the cost and customer reviews.
Different surfaces, different methods
Thresholds
Two different floors meeting at a threshold move differently. We bridge them with a flexible bead.
Concrete floor joints
We clean concrete joints out thoroughly before sealing first. Backing goes in where the depth needs controlling.
Palmers Green questions
Can you help a landlord with a rental near Palmers Green station?
Yes, landlords and agents are among the people we work for. You can call 0345 464 0079 or send us an email with the details for a clear quote.
Is parking an issue for floor joint sealing in Palmers Green?
London parking needs a little planning, so let us know about permits, bays or a driveway when you book. That way the visit can be planned around it.
How long does floor joint sealing take?
Typically it takes a few hours for most rooms, longer for large commercial floors. Larger jobs naturally take longer.
What should I tell you?
Where the job is, what the problem is and roughly how big it is. Photos by email help too.
When can I walk on the floor?
That varies with the sealant and the room. We give you the times for walking, cleaning and traffic when we finish so there’s no guesswork.
Why has a gap opened under my skirting?
It’s normally the floor moving: timber drying in winter, floors settling, or caulk that can’t stretch. A flexible bead keeps up with the movement.
Is it worth trying it myself?
That depends on the joint. High-level, external movement and fire-rated joints are professional jobs.
Is caulk good enough for skirting?
Not where the floor moves or gets wet. It splits once the floor shifts, so the gap comes back. A flexible sealant is the better choice.
Joints and finishes in Palmers Green homes
Floors around Greater London 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. Much of London’s new housing is flats in larger developments, where snags may need reporting through the developer or the managing agent.
If you look after a church, hall or community building such as Palmers Green United Reformed Church, joints in its floors, skirtings and thresholds need resealing as they wear. For landlords with property near Palmers Green station, a tidy floor and skirting joint helps a rental look ready for the next tenant.
Palmers Green is about 6 miles north of St Pancras, in Greater London. Whether you’re in the middle of Palmers Green or further out, we cover floor joint sealing for every kind of property. 764 places in Greater London are on our list. You can also see our page for London, roughly 8 miles from Palmers Green.
We work across N13, N22 and N11 for floor joint sealing. If you need floor joint sealing at a property on Oak Lane, Fox Lane and York Road or a nearby road, we can help. Being close to the A105 and A1004, Palmers Green is simple for us to get to for floor joint sealing. Close by, we work in Oakthorpe Park (1 mile south-east), Arnos Grove (1 mile west), Bounds Green (1 mile south-west), Bowes Park (1 mile south) and Southgate (1 mile north-west). We also work in nearby towns such as London (8 miles south), City of Westminster (7 miles south), Marylebone (7 miles south), Kensington (9 miles south-west), St Pancras (6 miles south) and Shoreditch (6 miles south).
Landmarks near Palmers Green
We work in homes and buildings around St Thomas More Catholic School, Broomfield Park and The Alfred Herring pub. Palmers Green has its own railway station: Palmers Green station. Nearby you will also find Broomfield House Museum (less than half a mile west) and Greentrees Hospital (0.6 miles south-east). The countryside around Palmers Green includes Highgate Hill and Darland's Lake.
Also near Palmers Green
What else we do in Palmers Green
Landlords, agents and businesses in Palmers Green
If you manage several properties in or around Palmers Green, several properties can be quoted together. Send us the addresses and the work at each, and pictures by email help.
Whether it’s one flat or a portfolio, the work is the same standard: old sealant fully removed, joints prepared properly and a one-year guarantee.
Common problems we fix in Palmers Green
Grout is rigid, so a tiled floor with nowhere to move cracks along a grout line. Cracks often run straight along a line of joints, where a flexible joint should have been.
People usually contact us when they notice something like this:
- Failed seals where bathroom floors meet baths and panels
- Caulk that has cracked where the floor moves
- Tiled floors with no room to move
- Gaps at thresholds between rooms
Schools such as St Anne's Catholic High School for Girls are buildings too, and floor joints in corridors, halls and entrances take heavy wear and need resealing before the edges break up.
What to look for in a quote
- Whether they seal over old material or remove it
- Whether VAT is included
- What happens if they find a problem under the old sealant
- Which colour the sealant will be
What we do, step by step
Once we are on site, we compare the joints with what we discussed. If anything is different, we explain it before carrying on. After that, the work takes a few hours, depending on the length of joint. For a job in Palmers Green, parking and access are the things to plan: let us know about parking, the floor we will be working on and any lift or shared entrance.
- We look at the gap and the floor type and agree the right sealant.
- We take out any old caulk, sealant or grout along the line.
- The joint is cleaned, vacuumed and backed where depth needs controlling.
- We apply a flexible sealant, or a floor-joint product on concrete, in a suitable colour.
- The joint is tooled to a neat finish and we tell you when it can take feet and a mop.
Preparing for the visit
- Let us know if you’ve seen damp or leaks
- Move anything stored near the joints
- Plan for the work area to be out of bounds to pets and children
How to get a quote
Need a quote? Please phone 0345 464 0079 or send us an email and tell us about the job. You will know what we plan to do, and what it will cost, before any work begins.
Advice
What affects the cost of floor joint sealing
The price is agreed before any work begins. It takes into account:
- Access and height
- The type of sealant required
- Mould in or behind the old joints
- When we can work, for business premises
Every job is a little different, so we quote each one individually. Size, access and the product the joint needs all make a difference, and we will explain the quote if you ask.
What to tell us for a quote
Before you ask for a quote, have a think about:
- If someone has resealed it before
- The type of property
- A few pictures by email, if you can
- What’s wrong with the joints now
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 and send you a clear quote.