Edinburgh · Scotland

Alnwickhill Floor Joint Sealing

We cover Alnwickhill for sealing skirting-to-floor joints, tiled floor movement joints and concrete floor joints. Old sealant removed completely, joints prepared properly and a 12-month guarantee.

  • Dirt and water collecting in open floor joints
  • Perimeter joints in tiled floors filled with grout
  • Gaps opening between the floor and skirting

Floor joint sealing in Alnwickhill

How the job changes by surface

Tiled floors

Tiled floors need movement joints at edges and across large areas. We replace grout with flexible sealant along the right lines in a matching colour.

Wet room and bathroom floors

In a wet room, the floor-to-wall joint is a key line of defence. We reseal it with a flexible silicone suited to wet areas.

Floor joint sealing for homes and businesses in Alnwickhill

We seal floor joints in homes, offices and commercial buildings across Alnwickhill. Each job starts with looking at the floor and the gap, because the right sealant depends on both. Typical jobs include gaps at thresholds between rooms and dirt and water collecting in open floor joints, on concrete floor joints, commercial floors and skirting boards.

Older tenement flats generally have timber floors on joists, so skirting joints open and close through the year. In Alnwickhill, a flexible sealant suits those joints better than filler.

A 12-month guarantee comes with the work, just as it does everywhere we cover.

Place
Alnwickhill (EH16, EH17)
Wider area
Edinburgh
Cover
A year, on every job
Quotes
A clear quote up front
Email
info@mrmastic.co.uk
Updated
26 October 2026
Mr Mastic applicators lined up beside the company vans, one holding a sealant gun

The process

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 normally takes a few hours, depending on the length of joint. Parking in city streets around Alnwickhill can be tight or controlled, so it helps to know about permits or nearby bays. If you are in a flat, let us know how we get in at the street door.

  1. We clear the edges of the floor so the joints are easy to reach.
  2. Old material is removed from the joint.
  3. We clean and dry the edges of the joint.
  4. A flexible sealant suited to the floor is applied and smooth it.
  5. We check the joints and explain the aftercare.

Preparing for the visit

  • For indoor joints, keep the area dry beforehand if you can
  • Mention any tricky access
  • Mention any sign-in or site rules at work premises

Getting a quote

A good description makes for an accurate quote. Let us know the location, the problem and roughly how many joints, and email photos if that’s easy.

Ask for a quote

Related advice

Why it’s worth doing now in Alnwickhill

Open joints along wet floors let water into the subfloor and behind skirting. Sealing them now keeps the problem at the surface. In a tenement flat in Alnwickhill, a failed seal is rarely just your problem: water can reach the flat below, and gaps in shared walls or fire-stopping affect the whole stair.

A failed joint rarely gets cheaper to fix by waiting, because water and mould keep working on it. If you’re not sure whether it needs doing, drop us a line at info@mrmastic.co.uk for an honest opinion and a quote.

Why book with us

  • Any old sealant cut out fully, not covered over
  • Sealant colour chosen to suit
  • Experience in homes, commercial sites and hotels
  • Anti-fungal silicone where joints get wet

Take a look at our cost guide and customer reviews.

Signs you need floor joint sealing in Alnwickhill

Water and dirt collect in open floor joints. In kitchens and bathrooms, mop water gets into the gap and behind skirting and plinths.

It’s worth asking for a quote if you see:

  • Cracked grout where a tiled floor needs a movement joint
  • Caulk that has cracked where the floor moves
  • Concrete floor joints that have broken down
  • Open joints around bathroom floor edges

If you let a flat or house near Shawfair station, open skirting and floor joints collect dirt and water, so seal them while the property is empty.

What your quote should include

  • What insurance they hold
  • What happens if they find a problem under the old sealant
  • Which colour the sealant will be
  • Is VAT in the price?

Choosing a sealant specialist

Common questions in Alnwickhill

Is floor joint sealing in Alnwickhill guaranteed?

All our work, in Alnwickhill and everywhere else, comes with a 12-month guarantee. We are also fully insured and ARBOMaster approved.

Can you do floor joint sealing in Alnwickhill?

Yes, Alnwickhill is within the area we cover. Our work covers the whole of Scotland. Just send an email to info@mrmastic.co.uk with a few details of the job.

What does floor joint sealing cost?

Size, access and the old material all affect the cost. Ask us for a quote.

How long does floor joint sealing take?

A typical job takes a few hours for most rooms, longer for large commercial floors, including the preparation. Your quote will say how long we expect yours to take.

Why has a gap opened under my skirting?

Usually it’s movement: timber drying in winter, floors settling, or caulk that cannot stretch. A flexible bead keeps up with the movement.

Can new sealant go over the old?

No. New silicone won’t bond to old silicone, and anything trapped underneath, including mould and water, stays there. We remove it all first.

Do you seal kitchen plinths to the floor?

Yes. Wet-area floor joints are sealed with a flexible, water-resistant silicone.

Can you use decorators’ caulk instead?

Only on dry joints that do not move. Caulk cracks as the floor moves and the gap reopens. A flexible sealant lasts longer there.

Should I try it myself first?

A DIY attempt does not rule out a professional job. We cut it out and start again, so tell us about it when you ask for a quote.

Overfilling a joint is a classic DIY mistake. A thick, smeared bead looks untidy and does not move well, and getting the depth right matters as much as the look.

Keeping the joints in good condition

Aftercare is simple, and it makes a real difference:

  • Ask before painting over a sealed joint
  • Keep caulk for dry, still joints only
  • Sweep along the edges of the floor
  • Cone off fresh joints until they’re ready

Don’t paint over silicone. If the joint will be painted, tell us beforehand so we use a paintable sealant.

Water getting into floor joints in bathrooms and kitchens can damage what’s underneath. Resealing early keeps it out.

Landlords, agents and businesses in Alnwickhill

Housing providers, facilities teams and property managers book us too. Several sites can be quoted together, and we are fully insured for the work.

If you manage several properties in or around Alnwickhill, jobs at different addresses can go on one quote. Just tell us the addresses and what each one needs, and pictures by email help.

What floor joint sealing looks like in Alnwickhill

Timber frame is common in newer Scottish homes, so skirting and sealant joints can open up as the building settles. Across Edinburgh, floors range from older suspended timber floors to concrete slabs in newer homes and commercial units, and they do not all move the same way. The joint at the skirting or threshold has to allow for that.

Managing a site like Gracemount High School? Then floor and threshold joints in busy corridors wear quickly and are best resealed early.

Alnwickhill is about 3 miles south-east of Edinburgh, in Edinburgh. Homes, rented property, offices and hotels in Alnwickhill is covered for floor joint sealing. Every job comes with our 12-month guarantee. Across Edinburgh, we cover 175 places, and Alnwickhill is one of them.

Every address in EH16 and EH17 is within our area for floor joint sealing, from the main roads to the quietest streets. We cover properties on Soutra Road, Little Road and Kedslie Road and the roads around them. If you are just outside Alnwickhill, we cover Howden Hall (1 mile south-east), Kaimes (1 mile south), Gracemount (1 mile east), Mortonhall (1 mile west) and Southhouse (1 mile south-east). Within a short drive, we also cover Edinburgh (3 miles north-west), Leith (5 miles north), Bonnington (5 miles north), Greenside (4 miles north), Broughton (4 miles north) and Bellevue (4 miles north).

Local landmarks in Alnwickhill

Around Alnwickhill, our work takes us to homes and buildings near Inch Park and Liberton Parish Church and the streets around them. For rail, the closest station is Shawfair station, about 3.2 miles east. Nearby you will also find Liberton Hospital (0.6 miles east) and Natural History Collections (1.3 miles north). Not far away are The New Leaf Co-op and Blackford Hill.

Map of Alnwickhill © OpenStreetMap contributors
20+ yearsMastic and sealant specialists
ARBOMaster approvedApproved applicator for Arbo sealants
Fully insuredDomestic, commercial and hotels
One-year guaranteeOn every job