Na h-Eileanan Siar · Scotland
Sand mastic for sash & case windows in Ness, Na h-Eileanan Siar
Traditional burnt sand mastic around sash and case windows and doors in stone and brick for Ness, backed by a one-year guarantee. Call for a quick quote.
- Old cement repairs round a window that have failed
- Mastic worn away on windows facing the weather
- Draughty sash windows at the surround
Sand mastic in Ness, done properly
Sand mastic doesn’t last for ever and gaps open up round the frame. Renewing it closes the gap so the surround looks right again. We’re often asked to deal with draughts and rain around sash boxes and cracked mastic round a front door frame, across brick reveals, period & listed homes and tenement windows.
Outdoor sealant needs a dry surface, so window work around Ness is planned around the weather, and longer journeys are planned in advance. Tell us about access to all the windows and doors, upstairs included.
We stand behind the work with a one-year guarantee, so you’re not left on your own once the job is done.
- Where
- Ness (HS2)
- Wider area
- Na h-Eileanan Siar
- Cover
- One year on every job
- Quote
- Quoted before any work starts
- info@mrmastic.co.uk
- Updated
- 26 October 2026
How we quote for sand mastic
Your quote is based on your job. We take into account:
- How many rooms, windows or areas are involved
- The size of the job
- Which sealant suits the joint
- Any mould that needs treating
Some things make a job bigger or smaller: the old material and how easily it comes out, any mould to treat, and whether we need extra access for height. Your quote takes all of that into account.
What to tell us for a quote
The more you tell us, the more accurate the quote. When you get in contact, it helps to mention:
- The address or postcode of the job
- How many joints, rooms or windows are involved
- The problem you’ve noticed
- The type of property
To get a quote, send an email to info@mrmastic.co.uk with the location and a short description of the problem. You will have a clear quote before any work starts.
What we do, step by step
We bring everything the job needs with us, so there’s nothing for you to buy. Once we have agreed what’s being done, the area is protected and the work begins. It normally takes a few hours per window, depending on the condition of the joints. For a place like Ness, longer drives are planned in advance. Tell us about tracks, gates, a ferry crossing or anything unusual about getting there.
- First, we look at the surrounds with you and agree what needs doing.
- We rake out the old mastic and clean the joint.
- Deep voids are packed so the mastic is the right thickness.
- The mastic is mixed, pressed into the joint by hand and shaped.
- We dress the surface so it sits neatly against the masonry.
Before we arrive
- Let us know if you’ve seen damp or leaks
- Clear items away from the joints we are working on
- Try not to wet indoor joints just before the visit
Ask for 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.
Advice
Places near Ness
Other services in Ness
Work for landlords, hotels and businesses
We also work for businesses, from offices to washrooms and kitchens. On commercial sites, working times can be discussed when we quote.
In hotels, rooms out of use cost money, so we plan the work room by room. Hotel work is part of what we do, alongside homes and businesses.
When to call us in Ness
Previous repairs in cement or silicone often trap water or crack away. They do not move with the timber and we normally remove them.
Keep an eye out for any of the following:
- Draughty sash windows at the surround
- Modern sealant on a period surround
- Mastic dropping out of the joint
- Window mastic to renew ahead of painting
For jobs in and around Ness, choosing the right material for each joint is as important as a tidy finish.
What to look for in a quote
- Which sealant they’ll use, and why
- Whether VAT is included
- How the colour is chosen
- What insurance they hold
Ness questions
Will you come out to Ness?
Yes. Ness is within the area we cover, which takes in towns, villages and rural addresses. Our work covers the whole 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.
Do you cover Ness for sand mastic?
Yes, Ness 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.
Can I do it myself?
Some simple jobs can be done by a careful DIYer. Most DIY failures come from sealing over old material, wet joints or too much sealant.
Can landlords and businesses book you?
Yes. Domestic, commercial and hotel work are all part of what we do.
Do the sealants smell?
Some sealants have a smell while they cure, which fades as it sets. Opening a window helps.
Do you hold any approvals?
Yes. ARBOMaster is the approved applicator scheme for Arbo sealants, and we are part of it.
Do you remove the old sealant?
Yes, always, and completely. New sealant won’t bond properly to old, so any old material comes out before anything new goes in.
What information do you need?
The location, the problem and the rough size of the job. Photos by email help too.
Why act early in Ness
If you’re redecorating, renew the mastic first. Painting over failed mastic doesn’t seal it and traditional guidance is to leave the new mastic unpainted. When the nearest tradesperson is a drive away, it’s tempting to leave a small leak, but water behind a failed seal does the most damage when nobody’s watching.
A failed joint rarely gets cheaper to fix by waiting, as water and mould keep getting in. If you’re unsure, send an email to info@mrmastic.co.uk for an honest opinion and a quote.
Why book with us
- Every job guaranteed for a year
- Anti-fungal silicone where joints get wet
- Approved under the ARBOMaster scheme
- Full insurance on every job
Take a look at what affects the cost and our reviews.
How to look after the new joints
Looking after new joints is easy, and it makes a real difference:
- Ask the planning authority about consent for listed or conservation-area homes
- Sort the mastic before the decorators arrive
- Avoid patching sand mastic with silicone
- Inspect the joints round the windows every year or so
Don’t run silicone over the new mastic. If anything cracks, get it looked at before trying a quick fix.
Renewing mastic before redecorating saves doing it twice. Painting over failed mastic hides the problem for a while.
Frames and glazing around Ness
Ness is close to the coast, and homes near the sea take more wind-driven rain, with salt in the air closer to the shore. That’s hard on the mastic around older windows and doors, especially on the side facing the sea. Many older homes in Scotland have sash and case windows, often pointed into the wall with traditional sand mastic.
In and around Ness, as anywhere, good sand mastic starts with a clean, dry, properly prepared joint.
Ness is about 18 miles north of Stornoway, in Na h-Eileanan Siar. For sand mastic in and around Ness, please drop us a line at info@mrmastic.co.uk for a quick quote. We cover Na h-Eileanan Siar from our Crawley base. Across Na h-Eileanan Siar, we cover 87 places, Ness among them.
Every address in HS2 is within our area for sand mastic, from the main roads to the quietest streets. Neighbouring places we cover for sand mastic include Nis (1 mile north), Cross (1 mile west), Sgiogarstaigh (1 mile east), Lionel (1 mile north) and North Dell (2 miles west). Remote and island addresses need a little more planning, so please mention your location when you email us at info@mrmastic.co.uk.
Around Ness
Well-known places in the area include Ness Heritage Centre (1 mile north). Open spaces near Ness include Loch Langavat.
Surface by surface
Tenement and terrace windows
Rows of sash windows on tenements and terraces often need renewing together. We can do one window or several.
Sash and case windows
Sash windows are where we do most sand mastic work. Each joint round the box is raked out and renewed.