Orkney Islands · Scotland
New-build mastic & snagging in Grimbister, Orkney Islands
Professional new build mastic in and around Grimbister, with every bit of old sealant taken out first and a 12-month guarantee.
- Beads laid onto grit and dust from the build
- Untidy sealant flagged on a snagging list
- Second-fix sealing on new plots
New build mastic in Grimbister, done properly
For builders and developers, we work through plots to the schedule you give us. We seal bathrooms, kitchens, windows, doors and skirting so plots are ready to hand over. If you’re dealing with plot mastic for developers ahead of handover and worktop and upstand sealant coming away, we can put it right, on windows & doors, bathrooms & en suites and plot handovers alike.
For a place like Grimbister, the journey and access are planned in advance. Outdoor plot mastic needs dry weather, but indoor floor and skirting joints can be sealed whatever the forecast.
A one-year guarantee comes as standard, so you’re not left on your own once the job is done.
- Location
- Grimbister (KW15)
- Region
- Orkney Islands
- Cover
- One year on every job
- Quote
- A clear price before any work starts
- info@mrmastic.co.uk
- Updated
- 26 October 2026
Why it’s worth doing now in Grimbister
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. When the nearest tradesperson is a drive away, it’s tempting to leave a small leak, but water through a failed joint keeps working away until it’s fixed.
Combining jobs into one visit generally makes better use of the time than several visits, so it’s worth mentioning everything you’d like done. We’ll give you a clear price for the lot.
Why choose Mr Mastic in Grimbister
- A choice of colours where the product allows
- We never seal over old sealant
- Sanitary silicone with an anti-fungal additive in wet areas
- 4.9 on Google from 180+ five-star reviews
See our cost guide and what customers say.
What new build mastic looks like in Grimbister
Grimbister is close to the coast. New homes near the sea put their outside mastic to work from day one, so it’s worth checking at snagging. Many new homes in Scotland are timber-framed, and as the frame dries and settles, skirting and sealant joints can open up.
In and around Grimbister, as anywhere, good new build mastic starts with a clean, dry, properly prepared joint. For jobs in and around Grimbister, choosing the right material for each joint is as important as a tidy finish.
Grimbister is about 5 miles west of Kirkwall, in the Orkney Islands. Anywhere in KW15, we cover new build mastic for homes and businesses. 51 places in the Orkney Islands are on our list, from the larger towns to small villages.
Here we cover the KW15 postcode area for new build mastic. Neighbouring places we cover for new build mastic include Finstown (1 mile north-west), Heddle (1 mile west), Germiston (2 miles south-west), Kirbister (4 miles south) and Norseman (4 miles north). Island and remote addresses take a little more planning, so please mention your location when you send an email to info@mrmastic.co.uk.
Near you in Grimbister
Nearby you’ll also find Balfour Hospital (4.9 miles east) and Kirkwall Castle (4.9 miles east). Green spaces nearby include Loch of Wasdale and Hill of Heddle.
What else we do in Grimbister
Grimbister questions
What guarantee comes with new build mastic in Grimbister?
Every job comes with our 12-month guarantee, wherever it is. We are also fully insured and ARBOMaster approved.
Is Grimbister within the area you cover?
Yes, we do. We work across all of Scotland, islands included, from towns to the smallest places. The journey is planned ahead, so it helps to know about access.
What do you need from me for a quote?
Just the basics: the address or postcode, what’s wrong and any access issues. After that, simply email us at info@mrmastic.co.uk.
Will there be a smell?
It depends on the product. Some products have a noticeable smell, others very little, and any smell fades as they cure.
What does new build mastic cost?
Size, access and the old material all affect the cost. Call for a quick quote.
Can new sealant go on top of the old bead?
No. Sealing over old sealant looks fine for a few weeks, then lifts. All the old sealant comes out before we start.
Can you do plot mastic on a new development?
Yes. We work through plots to your schedule, room by room. Get in touch with the number of plots and the scope and we’ll quote.
Will you leave a mess?
Very little: the area around the joints is protected first, and we clear up the old sealant and our materials before we leave.
How we quote for new build mastic
The quote reflects the job in front of us. We take into account:
- Whether the work is at height
- How many areas need sealing
- How much old sealant there is and how hard it is to remove
- The amount of work
We don’t show prices on the website, because the cost depends so much on the job itself. For a quick quote, please email us at info@mrmastic.co.uk and we will talk you through it.
What to tell us for a quote
When you contact us, it’s useful to know:
- Photos by email, if that is easy
- What the problem is, such as mould, gaps, leaks or cracking
- If someone has resealed it before
- How we’d reach the joints
There’s no standard price list, because every job is different. Instead, we send you a clear quote for your job. To get started, send an email to info@mrmastic.co.uk.
How the visit works
On the day, we start by going over the job with you, so there are no surprises. Surfaces next to the work are protected before any work begins. The work usually takes a few hours in a single home. Outdoor work around Grimbister depends on the weather, as sealant needs a dry surface, so an outdoor job can move if the forecast changes. Work indoors is not affected.
- 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.
- Joints are vacuumed and cleaned of building dust.
- 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.
Preparing for the visit
- Mention any sign-in or site rules at work premises
- Keep pets and children clear of the area while we work
- Move anything stored near the joints
Ask for a quote
Every job is quoted individually, so start by telling us what you need. Just email us at info@mrmastic.co.uk with the details.
Related advice
Should I try it myself first?
Some jobs are best left to a professional: high-level joints, fire-rated gaps, external movement joints and big jobs need the right product, the right access and the right method.
If you are set on DIY, put the effort into preparation: take out all the old sealant, make sure the joint is clean and dry, and give it the full cure time. If it fails, we can still redo it.
Work for landlords, hotels and businesses
A neglected joint can let water reach the structure, which matters even more when someone else lives there. Keeping joints in good order is simple maintenance.
Whether it’s one flat or a portfolio, you get the same standard of work: old sealant fully removed, joints prepared properly and a one-year guarantee.
What sealant work can’t fix
Some problems need a builder, plumber or other trade rather than us:
- Cracking that points to a structural problem
- A tray or bath that is not properly supported, until it’s fixed
- Deciding who is responsible under a builder’s warranty
If in doubt, send an email to info@mrmastic.co.uk and we will say what we think.
Surfaces we seal
- Show homes
- Skirting & floors
- Plot handovers
- Windows & doors
- Kitchens
- Bathrooms & en suites
What the job involves on each surface
Plot handovers
We work through plots to your schedule, sealing each room ready for handover. Joints are prepared properly before sealing.
Bathrooms and en suites
En suite showers are a common source of leaks into the room below. A proper reseal keeps water in the tray.