Hampshire · England
Floor Joint Sealing in Selborne
Specialist floor joint sealing for Selborne: the right sealant, proper preparation and a neat finish. Ask us for a quick quote.
- Gaps between floors and kitchen plinths
- Concrete floor joints that have broken down
- Tiled floors with no room to move
Surface by surface
Skirting boards
Skirting gaps are one of the most common floor joints we seal. The old caulk is removed first so the bead sits on a clean surface.
Wet room and bathroom floors
Mop water gets into any open joint at the edge of a bathroom floor. A neat silicone joint keeps it out.
How we handle floor joint sealing in Selborne
Tiled floors can crack along the grout when there’s no room for movement. Where one is needed, we rake out the grout along the right line and replace it with flexible sealant coloured to suit the grout. If you are dealing with gaps opening between the floor and skirting and worn sealant at door thresholds, we can help.
Older homes in small places like Selborne often have timber floors that move with the seasons, which is why skirting and threshold joints need a flexible sealant, not filler.
You’re covered for a year from the day we finish. If anything isn’t right with it, phone 0345 464 0079 or email us.
- Where
- Selborne (GU34)
- Wider area
- Hampshire
- Cover
- A year, on every job
- Quotes
- A clear quote up front
- Phone
- 0345 464 0079
- Page updated
- 26 October 2026

Selborne questions
Do you cover Selborne for floor joint sealing?
Yes. We work across London and the South East, and Selborne is part of that. You can call 0345 464 0079 or drop us an email and let us know what needs doing.
Do you cover smaller places like Selborne?
Yes, Selborne is covered. Our work covers London and the South East, and smaller places are part of that. Longer journeys are simply planned in advance.
Will you leave a mess?
We keep the work tidy. Nearby surfaces are protected, and the area is left clean when we finish.
Why has a gap opened under my skirting?
Floors shrink and settle, especially in the first year or two and through the heating season opens the gap. Rigid fillers split, so we use a flexible sealant.
When can I walk on the floor?
We give you a cure time for each joint. Feet are normally fine first, then mopping, then heavy wheels, depending on the product.
Will the old sealant be removed?
Yes. We cut out all the old sealant and clean the joint before resealing.
I’m a tenant. Can you help?
We’re happy to deal with the tenant, landlord or agent. Just make sure your landlord agrees.
Where is Mr Mastic based?
We work from Crawley. We cover Selborne and the rest of Hampshire, along with the rest of our area.
DIY sealant or a professional job?
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.
Some sealant jobs are within reach of a careful DIYer, like a short, easy-to-reach joint indoors. The common mistakes are sealing over old sealant, sealing a damp joint and using far too much.
What affects the cost of floor joint sealing
Every job gets its own quote. These are the things that affect it:
- The number of rooms or windows
- How much old sealant there is and how hard it is to remove
- The number and length of the joints
- When we can work, for business premises
Some things make a job bigger or smaller: how much old sealant there is and how stubborn it is, whether mould needs treating, and whether the work is at height. Your quote takes all of that into account.
Asking for a quote
Photos by email are helpful but not essential. Try to tell us:
- Where the job is, and your postcode
- What’s wrong with the joints now
- Whether it’s a home or a business
- A few pictures by email, if you can
For a quick quote, get us on the phone, or email us if that’s easier. Tell us about the joints that need doing and we’ll talk you through the work and give you a clear quote.
Places near Selborne
What else we do in Selborne
How it works
Good joint work is mostly preparation, so that’s where we spend the time. Every joint is cleaned and dried before new material goes in. In total, it generally takes a few hours for most rooms, longer for large commercial floors. Somewhere like Selborne needs a little journey planning: tell us about narrow lanes, gates, long drives and where we can park. Everything for the job comes with us, so a second trip is avoided where possible.
- We start by checking the floor, the joint and what traffic it takes.
- Any old caulk, grout or sealant is raked or cut out.
- We vacuum out the joint and add backing where the depth needs setting.
- The chosen sealant goes in, coloured to suit the floor.
- The joint is tooled neatly and the cure time explained.
Preparing for the visit
- For indoor joints, keep the area dry beforehand if you can
- On commercial sites, let us know about site rules
- Let us know if you’ve seen damp or leaks
Get a quote
We quote each job on its own, so start by telling us what you need. Just ring 0345 464 0079 or email us with the details, and photos are welcome.
Read more
Why act early in Selborne
Dirt builds up in open joints. Sealed joints are easier to keep clean and look tidier. Older cottages and farmhouses around Selborne can have timber floors and frames, where water from a failed joint can cause rot if it’s left.
What it costs depends on how much there is to do, how much old material has to come out and how easy the joints are to reach. You will have a clear quote before any work starts.
What you get with us
- Neat joints and a tidy finish
- You choose the colour before work begins
- We never seal over old sealant
- Sealant colour chosen to suit
Read our cost guide or customer reviews.
Aftercare tips
No joint lasts for ever, but care makes a real difference. A few tips:
- Keep floor cleaning water to a minimum at the edges
- Sweep along the edges of the floor
- Lift furniture rather than dragging it across joints
- Do not paint over silicone
Do not paint over silicone. If you plan to paint, we will use a paintable product.
A tiled floor that cracks along a line will keep cracking until it can move. A flexible joint added early helps protect the tiles themselves.
For landlords and businesses
Housing providers, facilities teams and property managers book us too. Several sites can go on one quote, and we are fully insured.
Landlords and letting agents in Selborne can book us as well as householders. Resealing between tenancies is a simple way to keep a property in good order before the next move-in.
Floor joint sealing in Selborne: local notes
Across Hampshire, floors range from older suspended timber floors to concrete slabs in newer homes and commercial units, and each moves in its own way. That’s why the skirting and threshold joints need a flexible seal.
If you let a flat or house near Alton station, a tidy floor and skirting joint helps a rental look ready for the next tenant. Managing a site like Selborne Church of England Primary School? Then entrance and corridor floor joints take a lot of traffic. If you look after a church, hall or community building such as Church of St Mary, floor and skirting joints in halls and kitchens wear like any others.
Selborne is about 4 miles south of Alton, in Hampshire. Homes, rented property, offices and hotels in Selborne is covered for floor joint sealing, old or new, large or small. The work is guaranteed for a year. 683 places in Hampshire are on our list, from the larger towns to small villages. There’s also a page for Portsmouth, roughly 21 miles from Selborne.
We cover every part of GU34 for floor joint sealing. Streets in the area include Huckers Lane, Ganders Close and Selborne Road. If you’re just outside Selborne, we cover Newton Valence (1 mile west), Empshott (2 miles south-east), Lower Green (3 miles south), Hawkley (3 miles south) and Oakshott (4 miles south). Further out, we also cover Basingstoke (13 miles north-west), Fleet (13 miles north), Horndean (14 miles south), Aldershot (13 miles north-east), Alton (4 miles north) and Waterlooville (15 miles south).
What’s near Selborne
Around Selborne, our work takes us to homes and buildings near The Jubilee Tap, among other places. The nearest railway station is Alton station, roughly 3.8 miles north of the centre. A little further out are The Romany Museum (within half a mile south-east) and Alton Community Hospital (3.5 miles north-west). For a walk, there’s Selborne Hill and Deadwater Valley.
