Mastic Sealing in Grindiscol
We carry out mastic sealing for building owners, managing agents and housing associations in Grindiscol. Send photographs or drawings for a fixed quote.
- Brittle perimeter mastic across a building
- Leaks at window and door perimeters
- Communal area joints that look neglected
Mastic sealing for Grindiscol sites
Share the site address and what’s failing, and we’ll reply with a fixed quote or arrange a visit.
Honest limits
A proper diagnosis includes knowing what sealant can’t do. You’ll hear from us if the cause turns out to be one of these:
- Glazing that needs replacing
- Leaks through the frame itself rather than the perimeter
- Substrate edges that need repairing first
If you’re not sure, just ring 01277 525 020 or email us and we will give you a straight answer.
What we seal
- External wall and movement joints
- Window and door perimeters on blocks
- Communal entrances and stairwells
- Balcony and threshold joints
- Communal kitchens and washrooms
- Shopfronts below residential blocks
About our mastic sealing in Grindiscol
Mastic Doctor has sealed joints on commercial and residential blocks since 2005. Our applicators are CSCS-carded, and the work is backed by public liability insurance. Each building we complete carries a 12-month guarantee on our workmanship. The enquiries we see most involve damp patches beside frames and the same joint failures repeated across a portfolio, on window and door perimeters on blocks, shopfronts below residential blocks and balcony and threshold joints. A single leaking joint is often how a building in Grindiscol first comes to us: we check the joints around it and give you an honest view of what needs doing now and what can wait.
For buildings around Grindiscol, we group the work to keep travel and visits down. A list of addresses and photographs lets us quote for them together.
A 12-month guarantee applies to all our work. Should something we installed fail, call 01277 525 020 or use the quote form and we’ll come back to it.
- Where
- Grindiscol (ZE2)
- Wider area
- Shetland Islands
- Guarantee
- 12 months on every job
- Quotes
- Fixed quote, scope in writing
- Phone
- 01277 525 020
- Page updated
- 3 November 2026
Our process
Tell us your site hours and access windows and we’ll plan around them. While we are working, the area stays contained and tidy, and your contact hears from us before we move to the next area. Travel to smaller Scottish places like Grindiscol is planned so the job is finished in one visit where possible, so photographs, sizes and a full list matter. External joints need a dry spell as well.
- We check the asbestos register for older buildings and look at the joints.
- A fixed quote covers the joints, products and order of work.
- We strip out the old sealant.
- Joint faces are cleaned, backed and resealed.
- We finish each building before moving to the next.
Getting the site ready
- Tell staff and tenants when we’ll be in
- Explain the parking and delivery arrangements
- Let us know about inductions and permits
Ask for a quote
Tell us about the building, the joints and when you need the work done, and we will put a fixed quote together. To get it moving, speak to us on 01277 525 020 or send photos by email.
Read more
Common questions from Grindiscol clients
Is Grindiscol inside the area you cover, given it’s on an island?
Yes. We work across every Scottish council area, and that includes island locations such as Grindiscol. Island work is planned around ferry crossings and the weather, so photographs and a full list before we travel are essential.
Do you cover business parks and estates near Grindiscol, such as North Ness Business Park?
Yes, sites like North Ness Business Park are within our area, along with the rest of Grindiscol. A few photos and the unit address let us price the work.
What’s the quickest route to a quote?
There are four steps: send details, get a quote, we seal, guaranteed. Step one needs little more than photographs and a postcode.
Who decides which product is used?
A specification, where there is one, decides it. Without one, the joint decides: its movement, its surfaces and what it has to cope with.
How much does the work cost?
That depends on the job: quantities, access, the product and any phasing. Call for a fixed quote.
How long does a job like this take?
We plan the time on site around your programme and access. We’ll give you an estimate of time on site when we quote.
Do you take on small jobs?
Whatever the size, the process is the same: send details, get a fixed quote, we seal, guaranteed.
What the job involves on each surface
Estate-wide resealing programmes
Using the same products throughout keeps the estate consistent.
Tenement and older buildings
Older mastic can contain asbestos, so we check the asbestos register or survey first. Suspect material is tested before work continues.
Why deal with it now?
Sealing over failed mastic looks tidy for a while. It won’t grip the old sealant and soon comes away. Full removal and proper preparation is what lasts. For buildings near Grindiscol, dealing with all the failing joints at once saves return trips. Photos of each area help us quote the whole job.
The work involved drives the cost: stripping out, preparation, sealing, access and phasing. Call for a fixed quote and we will explain how it’s made up.
Why appoint us
- Our applicators hold CSCS cards
- A range of standard colours, depending on the product
- Colour agreed before work starts
- Commercial sealant work since 2005
Take a look at how commercial sealant jobs are priced and how we’re accredited.
What else we do in Grindiscol
How the quote is worked out
Your fixed quote is built from the real scope. It allows for:
- Backing rod, priming and other preparation
- The site’s rules and procedures
- Specialist products, such as fire-rated or hygienic sealants
- Phasing around occupants
Access can matter as much as the joints themselves: joints within easy reach take less time than ones that need access equipment. Tell us how the joints are reached and call for a quote.
What to include in your enquiry
The more we know, the firmer the quote. Helpful details to send:
- The site address and postcode
- Your programme or deadline
- A wide shot and a close-up of the area
- Approximate linear metres or a joint schedule
Send us photographs, drawings or a joint schedule are often enough for a fixed quote. Where a site visit makes more sense, we will arrange one.
Maintenance after handover
Sealant joints are maintenance items, and how long they last depends on how they’re treated. We suggest:
- Avoid piecemeal callouts where you can
- Encourage occupiers to report problems at frames
- Check sealant joints during planned building inspections
- Protect low-level joints in entrances
Keep bins, bikes and deliveries away from low-level joints where you can. Knocks cause many early failures in communal areas.
Leaks at window perimeters spoil finishes and can affect frames. Resealing early keeps the job small.
Mastic sealing in Grindiscol: the local picture
The sea is no more than about 1 mile from Grindiscol. Blocks and commercial buildings facing the sea take the most weather on their window perimeters and external joints, so it’s worth inspecting those sides more often. Island jobs, Grindiscol among them, are planned around the ferry and the forecast. We group island buildings so each crossing covers as much as possible.
Older community buildings, Bressay Kirk among them, often have frames of mixed ages whose mastic varies. If you own or manage units on a site such as North Ness Business Park (1.7 miles north-west of Grindiscol), failed mastic on frames, door surrounds and external joints can be dealt with unit by unit. For a school such as Anderson High School, perimeter mastic on windows and doors is a holiday job.
Grindiscol is in the Shetland Islands. If you are looking for mastic sealing in Grindiscol, we can help, as we do across the Shetland Islands. Grindiscol is one of 63 places we cover in the Shetland Islands.
Anyone looking for mastic sealing in ZE2 gets the same process as the rest of our area: details, then a fixed price, then sealing and a 12-month guarantee. We also cover Lerwick (2 miles north-west), Sound (2 miles west), Gunnista (2 miles north), Heogan (2 miles north-west) and Gremista (3 miles north-west). For island and remote sites, travel and materials need planning ahead.
Local landmarks in Grindiscol
Around Grindiscol, our work takes us to commercial buildings near Gilbertson Park, among other places. Well-known places in the area include Shetland Museum (1.7 miles north-west) and Montfield Hospital (1.6 miles north-west). For a walk, there’s Loch of Brough.