Na h-Eileanan Siar · Scotland

Floor Joint Sealing in Grimsay

Our applicators work in Grimsay on 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.

  • Chipped and open joints in warehouse floors
  • Gaps between floors and kitchen plinths
  • Gaps at thresholds between rooms

Need floor joint sealing in Grimsay?

How we handle floor joint sealing in Grimsay

We seal floor joints in homes, offices and commercial buildings across Grimsay. We start by checking the floor type and the joint, because the right sealant depends on both. We work on thresholds, skirting boards and concrete floor joints, and the jobs we see most are perimeter joints in tiled floors filled with grout and gaps opening between the floor and skirting.

Work in a place like Grimsay is planned ahead, journey included. Outdoor plot mastic needs dry weather, but indoor floor and skirting joints can be sealed whatever the forecast.

All our work comes with a one-year guarantee, wherever you are in Na h-Eileanan Siar.

Eleven members of the Mr Mastic team standing in front of branded white vans
Location
Grimsay (HS7)
Region
Na h-Eileanan Siar
Guarantee
One year on every job
Quotes
Quoted before any work starts
Email
info@mrmastic.co.uk
Page updated
26 October 2026

What happens on the day

When we get to you, we check the joints match what you told us. If anything is different, we explain it before carrying on. After that, the work takes a few hours for most rooms, longer for large commercial floors. In smaller Scottish places, parking is normally less of an issue than access and distance. Tell us how to find the property and how to reach the work.

  1. First, the floor type, the gap and the traffic are checked.
  2. We remove what’s in the joint now.
  3. We vacuum out the joint and add backing where the depth needs setting.
  4. The chosen sealant goes in, coloured to suit the floor.
  5. The joint is tooled neatly and the cure time explained.

How to prepare

  • Mention if the joints have been sealed before
  • Move anything stored near the joints
  • Tell us about any water getting in

Get a quote

Want a quote for floor joint sealing? Please drop us a line at info@mrmastic.co.uk with a few details. You will know what we plan to do, and what it will cost, before any work begins.

Get a price

Read more

Your questions about floor joint sealing in Grimsay

Is floor joint sealing in Grimsay guaranteed?

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

Do you cover smaller places like Grimsay?

Yes. Grimsay is within the area we cover, which takes in towns, villages and rural addresses. We work across all of Scotland, including the islands, where work is planned around ferry crossings. Let us know about access, parking and anything unusual about getting there when you book.

Where is Mr Mastic based?

We’re based in Crawley, West Sussex, and we work across South East England, London and Scotland.

Is it messy?

No. We work neatly, protect the area around the joints and tidy up afterwards.

Can you match the sealant colour?

Yes. Sealants come in white, clear, grey and other colours for many products, and we will agree it with you first.

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.

What do you put in the joint?

The product depends on the job: anti-fungal sanitary silicone in wet areas, and other sealants where joints move or face the weather. Brands we use include Arbo and Everbuild.

Do you take out the old sealant first?

Yes, always, and completely. New sealant will not bond properly to old, so any old material comes out before anything new goes in.

Landlords, agents and businesses in Grimsay

Landlords and letting agents in Grimsay can book us as well as homeowners. Resealing between tenancies keeps a property looking cared for.

We also work for property managers and facilities teams in Grimsay and across Na h-Eileanan Siar. We can quote a run of properties together, and we’re fully insured for the work.

What affects the quote in Grimsay

Call for a quick quote. What matters most is:

  • The size of the job
  • How many rooms, windows or areas are involved
  • Which sealant suits the joint
  • Any mould that needs treating

Rather than a set price list, we look at what your job involves: the amount of work, the old material and the access. The price is agreed before we begin.

What we need to know

When you call or email, these details help:

  • Whether it’s a home or a business
  • Where the property is
  • Whether it has been sealed before
  • Any access issues, like height or stairs

Getting a quote is simple: let us know what needs doing and where, and roughly how big it is. A few photos by email make the job easier to understand, and we’ll come back to you with a quote.

How to look after the new joints

Joint life depends on how it’s used and looked after. Here’s what we suggest:

  • Check skirting joints after the heating season
  • Vacuum floor joints regularly to stop grit building up
  • Mark off resealed joints in warehouses
  • Have a cracking tiled floor checked before tiles break

Keep heavy furniture from dragging across the joints. Dragging can tear the bead especially in the first few days.

Once concrete joint edges start to break, wheels make it worse. Sealing them early protects the edges and the floor safer.

DIY sealant or a professional job?

Too much sealant is as bad as too little. A thick, smeared bead looks untidy and doesn’t move well, and the joint depth matters as much as the finish.

What a professional job adds is preparation and the right product. Joints are cleaned back to sound surfaces and dried, and the sealant is matched to the joint and its conditions.

How the job changes by surface

Commercial floors

Commercial washrooms and kitchens have floor joints that get wet constantly. We reseal them with a sealant suited to wet areas.

Thresholds

A threshold is where floors and frames meet. A flexible sealant suits both floor finishes.

What happens if it’s left?

The right product depends on the floor and the traffic: skirting and tiled floors need flexibility, wet areas need water resistance and concrete needs a product suited to wheels. Using the wrong one is why many floor joints fail. Exposed walls in smaller Scottish places take a lot of wind and rain, and once water gets behind a failed joint, damp in stone or harled walls is slow to dry out.

Combining jobs into one visit is normally more efficient than separate visits, so it’s worth mentioning everything you’d like done. You’ll get one clear quote for the whole job.

Why Grimsay clients choose us

  • An ARBOMaster approved applicator
  • White, clear, grey or another colour, product permitting
  • Trusted Arbo and Everbuild sealants
  • We’re fully insured

Take a look at what affects the cost and our reviews.

Floor joint sealing around Grimsay

Many new homes in Scotland are timber-framed, so skirting and sealant joints can open up as the building settles. Island jobs need planning around ferries and the weather, so give us as much notice as you can.

Whether the job is in Grimsay itself or nearby, the right material for each joint matters as much as a neat finish. In and around Grimsay, as anywhere, good floor joint sealing starts with a clean, dry, properly prepared joint.

Grimsay (Gaelic: Griomasaigh) is in Na h-Eileanan Siar. Across the HS7 area, our applicators can take on floor joint sealing. Our area takes in 87 places across Na h-Eileanan Siar, large and small.

Postcode districts we cover here for floor joint sealing: HS7. Main roads around Grimsay include the B891, so getting to you is simple. Neighbouring places we cover for floor joint sealing include Creag Ghoraidh (2 miles west), Geirinis (5 miles south-west), Balivanich (5 miles north-west), Baile a' Mhanaich (6 miles north-west) and Locheport (10 miles north). If you are somewhere remote, the job takes a little more planning, so mention it when you ask for a quote.

Landmarks near Grimsay

A little further out are Museum nan Eilean Lionacleit (3.1 miles west) and Borve Castle (3.7 miles north-west). Not far away are Loch Langavat and Stiaraval.

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