Na h-Eileanan Siar · Scotland
New Build Mastic in Sanndabhaig
Plot mastic for developers and snagging failed sealant in new homes for homeowners, landlords and businesses in Sanndabhaig. ARBOMaster approved applicators, fully insured, with a 12-month guarantee.
- Shower seals failing in the first year or two
- Worktop and upstand sealant coming away
- Sealant that never bonded to the surface
Why act early in Sanndabhaig
If you’re still in the builder’s snagging or warranty period, ask them to put it right first. If it’s slow, or the same joint keeps failing, a proper reseal from a specialist is the next step. Around Sanndabhaig, water from a failed joint in an older stone home can soak into timber and plaster, which is a far bigger job than the sealant.
Rather than a set price list, we look at what your job involves: the amount of work, the old material and the access. You will know the price before we begin.
What you get with us
- Any old sealant cut out fully, not covered over
- Anti-fungal sanitary silicone in wet areas
- Domestic, commercial and hotel work
- Over 20 years’ experience
Read what affects the cost or customer reviews.
New build mastic in Sanndabhaig
We never seal over a failed new-build bead. New silicone won’t bond to old silicone, so the joint is cut out, cleaned, dried and resealed. Typical jobs include cracks appearing as a new home settles and sealant that never bonded to the surface, across skirting & floors, kitchens and windows & doors.
Around smaller Scottish places like Sanndabhaig, new homes tend to be single plots or small developments. Each needs its sealant and floor joints finished as carefully as on a big site.
We guarantee the work for a year. If there’s a problem with our work within the year, let us know and we’ll sort it.

- Location
- Sanndabhaig (HS2)
- Region
- Na h-Eileanan Siar
- Cover
- A year, on every job
- Price
- A clear price before work begins
- info@mrmastic.co.uk
- Last updated
- 26 October 2026
What we can’t put right
It helps to know what we cannot do:
- A tray or bath that is not properly supported, until it’s fixed
- Leaking fittings rather than failed sealant
- Settlement cracks that need a surveyor
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
- Windows & doors
- Skirting & floors
- Plot handovers
- Kitchens
- Bathrooms & en suites
- Show homes
New build mastic around Sanndabhaig
Sanndabhaig is close to the coast. New homes near the sea put their outside mastic to work from day one, so any gaps are best picked up early. Sanndabhaig is in the west of Scotland, which is wetter than the east, so there’s plenty of rain for plot mastic and the sealant in new homes to keep out.
Whether the job is in Sanndabhaig itself or nearby, the right material for each joint matters as much as a neat finish.
Sanndabhaig (Gaelic: Sandwick) is in Na h-Eileanan Siar. Jobs in Sanndabhaig get the same care as everywhere else we work: the old material taken out, joints prepared properly and a 12-month guarantee. Sanndabhaig is one of 87 places in Na h-Eileanan Siar where we work for new build mastic.
We work across the HS2 postcode area for new build mastic. We cover properties on Mackenzie Park, MacKenzie Lane and Mackenzie Avenue and the roads around them. We also cover the places around Sanndabhaig: Sandwick (1 mile west), Plasterfield (1 mile north-west), Branahuie (1 mile east), Steinis (1 mile north) and Bràigh na h-Aoidhe (1 mile east). Sanndabhaig is one of the larger places we cover in Na h-Eileanan Siar. If you are somewhere remote, the job takes a little more planning.
What’s near Sanndabhaig
A little further out are Western Isles Hospital (1.9 miles north-west) and Lewis Loom Centre (1.8 miles west). Green spaces nearby include Loch Àirigh na Lic.
Do you need new build mastic in Sanndabhaig?
Fresh sealant can be knocked or cut by trades finishing off. If it’s disturbed before curing, the joint can be left weak and it shows once the home is in use.
Signs it’s time to call us include:
- Worktop and upstand sealant coming away
- Messy sealant that spoils new finishes
- Gaps between new skirting and floors
- Plot mastic for developers ahead of handover
In and around Sanndabhaig, as anywhere, good new build mastic starts with a clean, dry, properly prepared joint.
Comparing quotes
- What the quote includes, VAT included or not
- What preparation is included
- How much experience the applicator has
- What happens if the job turns out different
Also near Sanndabhaig
What else we do in Sanndabhaig
Sanndabhaig questions
Can you do new build mastic in Sanndabhaig?
Yes. We work across all of Scotland, and Sanndabhaig is part of that. You can send an email to info@mrmastic.co.uk and tell us what needs doing.
Is new build mastic in Sanndabhaig guaranteed?
Every job comes with our one-year guarantee, wherever it is. We are fully insured, and an ARBOMaster approved applicator.
Will you just run a new bead over the existing one?
No. New silicone will not bond to old silicone, so it soon lifts and traps water. We cut the old bead out completely.
What information do you need?
Let us know what needs doing and where, with photos by email if possible. If we need more, we’ll ask.
Do I need to be at home?
For indoor joints, yes, someone needs to let us in. Once we have agreed the job, you don’t need to watch us work.
Do you do commercial work?
Yes. We work in offices, washrooms, hotels and other commercial premises, as well as homes. We can talk about working times when we quote.
Do you take on second-fix sealing for builders?
Yes. We carry out plot mastic and second-fix sealing for builders and developers. Send the schedule and any specification and we will give you a quote.
Is there any odour?
Some sealants have a smell while they cure. Ventilation helps.
What we do, step by step
Good joint work is mostly preparation, and we don’t rush it. Joints are cleaned back and dried before anything new goes in. All told, the work takes anything from a few hours to several days, depending on the number of plots. In smaller Scottish places, parking is generally less of an issue than access and distance. Tell us how to find the property and how to reach the work.
- First, the list of joints is agreed from your snagging sheet or plot schedule.
- The failed sealant is removed completely, with no layer left behind.
- We clean out the dust and grit left from the build.
- We prime where needed and apply a sealant suited to each joint.
- We tool every joint neatly and tell you when each area can be used.
Before we arrive
- Let us know about stairs, lifts or work at height
- Tell us if parking is tricky
- Clear the area around the work
Get a quote
The more we know about the job, the more useful the quote. Let us know the location, the problem and roughly how many joints, and add photos by email if you can.
Related advice
Different surfaces, different methods
Bathrooms and en suites
En suite seals are easy to miss on a snagging list until they leak. A proper reseal keeps water in the tray.
Kitchens
New-kitchen sealant is often applied in a rush. We take it out and reseal neatly, colour-matched where it shows.
Looking after it afterwards
Simple care keeps the joints in good condition. Our advice:
- Wait for the cure time before using a resealed shower
- Watch for new gaps as the house dries out
- Ventilate bathrooms well, especially in the first year
- Act quickly if a seal starts to leak
Keep pictures of the joints and any snagging correspondence with your builder. It helps if anything else comes up during the warranty period.
Don’t let the snagging period run out with sealant problems unreported. After that, putting it right may fall to you so report it promptly.
For landlords and businesses
Mouldy or split sealant often shows up at the end of a tenancy, and it’s easy to sort out between tenants. Several properties can go on one quote.
Whether it’s one flat or a portfolio, you get the same standard of work: the old material taken out, careful preparation and a 12-month guarantee.
