Na h-Eileanan Siar · Scotland

Floor & skirting joints in Crosbost, Na h-Eileanan Siar

Floor joints in Crosbost need attention? We cut out the old, prepare the joints and apply the right sealant, with a 12-month guarantee.

  • Rigid edge joints in tiled floors
  • Caulk that has cracked where the floor moves
  • Failed joint filler in concrete floors

Need floor joint sealing in Crosbost?

Floor joint sealing in Crosbost, done properly

Across Crosbost, we seal floor and skirting joints in homes and businesses. We start by checking the floor type and the joint, since that decides which sealant suits. We work on skirting boards, tiled floors and concrete floor joints, and the jobs we see most are grout used at the floor edge instead of sealant and concrete floor joints that have broken down.

New homes in smaller Scottish places are often single plots, self-builds or small developments. Each needs its sealant and floor joints finished as carefully as on a big site.

We stand behind the work with a 12-month guarantee.

Place
Crosbost (HS2)
Wider area
Na h-Eileanan Siar
Cover
One year on every job
Quote
A clear quote up front
Email
info@mrmastic.co.uk
Page updated
26 October 2026
The Mr Mastic team in navy uniforms in front of three Mr Mastic vans

What we can’t put right

Sealant isn’t the answer to every problem, and we’d rather say so up front. It won’t solve:

  • Floors that are uneven or need levelling
  • Tiles that have lifted or broken
  • Damaged concrete that needs breaking out and repairing

Not sure which it is? You can drop us a line at info@mrmastic.co.uk and we’ll tell you honestly.

What we seal

  • Thresholds
  • Wet room & bathroom floors
  • Skirting boards
  • Tiled floors
  • Concrete floor joints
  • Commercial floors

Joints and finishes in Crosbost homes

Island jobs need planning around ferries and the weather, so give us as much notice as you can. Across Na h-Eileanan Siar, 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.

Around Crosbost, as everywhere, floor joint sealing is only as good as the preparation behind it.

Crosbost is in Na h-Eileanan Siar. We carry out floor joint sealing for homes and businesses in Crosbost. Our area takes in 87 places across Na h-Eileanan Siar, large and small.

Here we cover the HS2 postcode area for floor joint sealing. Nearby, we also carry out floor joint sealing in North Lochs (1 mile west), Liurbost (1 mile west), Lacasaidh (4 miles south-west), Sandwick (5 miles north-east) and Stornoway (5 miles north). If you’re somewhere remote, a little more planning is needed, so let us know when you get in touch.

Landmarks near Crosbost

Well-known places in the area include Western Isles Hospital (5.9 miles north). Open spaces near Crosbost include Loch na Craoibhe and Nisreaval.

Map of Crosbost © OpenStreetMap contributors

Why act early in Crosbost

Regrouting a cracked line in a tiled floor rarely fixes it. If the floor needs to move there, the grout will crack again. A flexible movement joint is the fix. Exposed walls in smaller Scottish places take a lot of wind and rain, and damp in stone or harled walls takes a long time to dry once water gets behind a joint.

Commercial jobs are quoted on the same basis as homes: the amount of work, the access and the products needed. Ask us for a quote and we’ll go through it with you.

Why us?

  • Any old sealant cut out fully, not covered over
  • Anti-fungal silicone where joints get wet
  • Colour picked to suit the job
  • You choose the colour before work begins

Read our cost guide or what customers say.

Keeping the joints in good condition

So the new joints stay in good condition:

  • Mark off resealed joints in warehouses
  • Keep caulk for dry, still joints only
  • Check the sealant is paintable before decorating
  • Get cracks along tile grout lines looked at early

Keep off the joint for the time we give you. Feet are generally fine before mopping or wheeled traffic, and we will tell you both.

Concrete joints damaged by traffic get worse quickly. Sealing them early protects the edges and the surface smoother.

How the visit works

When we get to you, we compare the joints with what we discussed. If we find something unexpected, we talk it through with you first. After that, the work takes a morning or an afternoon for most homes. For a place like Crosbost, longer drives are planned in advance. Tell us about tracks, gates, a ferry crossing or anything unusual about getting there.

  1. We start by looking at the floor, the gap and the traffic, then choose the product.
  2. We take out any old caulk, sealant or grout along the line.
  3. The joint is vacuumed clean, with backing fitted wherever depth matters.
  4. The sealant goes in, chosen for the floor and coloured to suit it.
  5. Finally we tool it smooth and explain when the floor can be used and cleaned.

Getting ready for the visit

  • Let us know about stairs, lifts or work at height
  • Keep children and pets away from the work area
  • Tell us if parking is tricky

Get a quote

If you’re in Crosbost and need floor joint sealing, drop us a line at info@mrmastic.co.uk. A short description of the job and where it is helps us quote, and we’ll agree the price before any work begins.

Ask for a quote

Advice

FAQs for Crosbost

Do you cover smaller places like Crosbost?

Yes, smaller places are covered as well as towns. We work across all of Scotland, including the islands, where work is planned around ferry crossings. Just mention lanes, gates or anything else about the route when you book.

Is there a guarantee on floor joint sealing in Crosbost?

Every job comes with our 12-month guarantee, wherever it is. We’re fully insured, and an ARBOMaster approved applicator.

Can you do several jobs on one visit?

Yes. Just list everything you need and you’ll get one quote.

Can sealant along the skirting be painted?

Where the skirting will be painted, we can use a flexible sealant that takes paint. Silicone will not take paint, so it’s kept for wet areas and unpainted joints.

How much does floor joint sealing cost in Crosbost?

There’s no set price, as it depends on the job: its size, the old material, access and the product needed. You will get a clear quote before any work starts.

Is it worth trying it myself?

It depends on the job. Work at height, movement joints, fire-rated gaps and large areas are best left to a professional.

When can I walk on the floor?

You’ll get the times before we go. It depends on the sealant, and light foot traffic is usually fine before wet cleaning or wheels.

Do you take out the old sealant first?

Always. Sealing over the old bead is the commonest cause of early failure, and it’s something we never do.

For landlords and businesses

Housing providers, facilities teams and property managers book us too. We can quote a run of properties together.

Hotels need rooms back in use, so we plan the work room by room around your bookings where we can. Hotel work is part of what we do, alongside homes and businesses.

DIY versus a professional finish

The biggest DIY mistake is sealing over old sealant. New silicone won’t bond to old, so it peels away and traps moisture behind it. Everything old must be removed first.

Overfilling a joint is a classic DIY mistake. A heavy bead looks messy and copes badly with movement, and getting the depth right matters as much as the look.

Signs you need floor joint sealing in Crosbost

An open floor joint fills with dirt and water. In wet areas, water runs into the gap at every clean and can reach the subfloor.

Look out for these signs:

  • Failed seals where bathroom floors meet baths and panels
  • Floor edges that trap water and grime
  • Chipped and open joints in warehouse floors
  • Perimeter joints in tiled floors filled with grout

Whether the job is in Crosbost itself or nearby, the right material for each joint matters as much as a neat finish.

Comparing quotes

  • Whether you can choose the colour
  • What happens if the job turns out different
  • How long to leave it before use
  • Is VAT in the price?

Our hiring checklist

20+ yearsMastic and sealant specialists
ARBOMaster approvedApproved applicator for Arbo sealants
Fully insuredDomestic, commercial and hotels
One-year guaranteeOn every job