Mastic contractors in Grimbister
Mastic packages for new-build and refurbishment projects in Grimbister. CHAS accredited, Constructionline member, with a 12-month guarantee on workmanship.
- Cracks opening in caulked internal joints
- Perimeter gaps outside the sealant’s range
- Inconsistent sealant finishes from plot to plot
Construction mastic near Grimbister
Share the site address and what’s failing, and we’ll reply with a fixed quote or arrange a visit.
Construction mastic in Grimbister
Mastic Doctor has been a subcontractor on construction projects for over 20 years. Quantities come off the drawings, the sequence is agreed with the site manager and the work follows the trades. To price a package in Grimbister, send drawings and the specification through our quote form. If you have mastic snags holding up handover and existing joints on a refurb that need cutting out and resealing, we can put it right. Looking for mastic applicators who cover Grimbister? We have been sealing commercial buildings since 2005, with CSCS-carded applicators.
For a site around Grimbister, we plan the mastic in as few trips as the programme allows. Send drawings, photos and the programme so everything needed arrives on the first day.
Our workmanship is guaranteed for 12 months. If our installation lets you down in that time, we return and fix it.
- Location
- Grimbister (KW15)
- Region
- Orkney Islands
- Cover
- 12 months on every job
- Price
- Quoted before any work starts
- Phone
- 01277 525 020
- Page updated
- 3 November 2026
Questions about Grimbister
Does the sea air around Grimbister change the choice of sealant?
It can. Driven rain and salt are tougher on outside sealant than sheltered inland conditions. That puts more weight on product choice, primers where the manufacturer specifies them, and correct joint sizing.
Would you work within a site like Balfour Hospital?
Yes, hospitals are one of the sectors we cover. Before anything starts, the estates team agrees permits, inductions and infection-control measures with us.
Can you work to our specification?
We follow the specified sealant, and we will raise it if something in it doesn’t suit the joint. Product standards such as BS EN 15651 are often named in specifications.
Can the sealant be colour-matched?
Often, yes. Sealants are made in a wide range of standard colours, and matching to RAL references or nearby finishes is commonly requested. We confirm what’s available for the specified product when we quote.
What if there’s asbestos in the old mastic?
Asbestos is possible in some older mastics, particularly in buildings from before 2000. Before we disturb old sealant in an older building, we ask to see the asbestos register or survey, and if asbestos is suspected, work stops until it’s tested. Removing asbestos is a job for asbestos specialists, not us.
What do you charge?
There isn’t a price list, because every site is different. Send photographs or drawings and we’ll price it at a fixed figure.
What about RAMS and site documents?
Let us know which documents the site needs, such as RAMS, an insurance certificate or CSCS details, and we’ll confirm them with the quote.
How a job runs
A typical day starts with protection: masking tape along the joint edges and sheeting over anything nearby. The work itself normally takes whatever the programme allows, since the work follows the trades as areas are released, and our waste is bagged and taken away as we go. Jobs near Grimbister are often grouped with others in the same area. Let us know if your dates have any give.
- Drawings, the sealant specification and your programme come to us for pricing.
- A fixed quote sets out the scope, the products and the sequence.
- You tell us what site paperwork you need, such as RAMS, an insurance certificate or CSCS details, and we confirm it with the quote.
- We seal each plot or floor as it’s released to us.
- Every joint is prepared, set to depth and sealed with the specified product.
- Snags are cleared before handover and completed areas carry our 12-month guarantee.
Getting the site ready
- Let building users know which areas are affected
- Confirm the product named in the specification
- Send your site hours and access windows
Ask for a quote
For a fixed quote, call 01277 525 020 or send photos by email. Our quote form is another easy route.
Read more
When something else is needed
Sealant solves a lot, but not everything, and we’d rather tell you before you spend money. These need a different solution:
- Glazing units that are cracked or misted
- Approving fire stopping as compliant
- Frame gaps too wide for sealant, which the installer needs to correct
If you’re not sure, just ring 01277 525 020 or use the quote form and we will give you a straight answer.
Joints and surfaces we work on
- Floor and skirting junctions
- Internal decorators’ caulk
- Cladding and panel joints
- Sanitary and kitchen joints
- Window and door perimeters
- Brick and block movement joints
Common problems we fix in Grimbister
A joint without backing rod or bond-breaker often fails early. Fixed to three faces, the sealant rips the first time the joint opens so we set the depth properly before sealing.
These are often picked up first by site or facilities staff:
- Old sealant on a refurbishment that needs stripping before new work
- Different trades sealing to different standards
- Early adhesion failures on new external joints
- Perimeter gaps outside the sealant’s range
Hospital estates such as Balfour Hospital, 4.9 miles east of Grimbister, tend to grow and change in phases, often next to occupied wards, so facade and perimeter sealing has to fit the estates team’s plan.
What to look for in a quote
- The terms of the workmanship guarantee
- Will CSCS-carded applicators be on site?
- The named product and why it was chosen
- Can the work be phased to keep areas open?
Commercial clients in Grimbister
Building owners and managing agents use us on everything from one building to a spread of sites. Several sites can go on one quote, so there’s one set of paperwork to deal with.
If you look after buildings for someone else, you need clear quotes and clear reporting. You get a fixed quote, an agreed scope and a walk round at the end, plus a 12-month guarantee.
Looking after the joints
For the best life from the joints:
- Use the product the specification names
- Share drawings and the specification as soon as possible
- Check frame gaps are within the sealant’s range before sealing
- Ask cleaners to use soft cloths around fresh sealant
Once an area is sealed, protect it from following trades. New beads should be left to cure before cleaning or decorating nearby; we confirm the time for each product.
Leaving the mastic snag list to the end squeezes everyone. Clearing snags area by area spreads the work out.
General trades versus a specialist
Redoing a failed joint usually costs more than getting it right at the outset, because the whole bead must be removed and the faces cleaned back again. That’s why many clients bring in a specialist from the beginning.
A short, simple internal joint is often within reach of a maintenance team. The usual problems come from preparation: new sealant over old, damp or dusty faces, or the wrong product for the movement.
New build and refits around Grimbister
With the shore within about 1 mile, Grimbister counts as a coastal location. On a coastal site, facade and perimeter joints face driven rain and, closer to the beach, salt, which puts weight on correct joint sizing, priming and a sealant suited to the exposure. Grimbister is in the east of Scotland, which is drier than the west. Frost and condensation on frames and panels can still hold up external mastic on winter mornings. We agree external dates with the site team and keep internal work ready.
On any site in or around Grimbister, the mastic follows the specification and the programme.
Grimbister is about 5 miles west of Kirkwall, in the Orkney Islands. Across the KW15 postcode area, the process is the same: details in, fixed quote out, then sealing and a 12-month guarantee. Across the Orkney Islands, 51 places are covered, including Grimbister.
We take on mastic packages across the KW15 postcode area, whatever the building. Nearby places we also cover include Finstown (1 mile north-west), Heddle (1 mile west), Germiston (2 miles south-west), Kirbister (4 miles south) and Norseman (4 miles north) for mastic packages. For island and remote sites, travel and materials need planning ahead, so the full address helps from the start.
Near you in Grimbister
Well-known places in the area include Balfour Hospital (4.9 miles east) and Kirkwall Castle (4.9 miles east). The countryside around Grimbister includes Loch of Wasdale and Hill of Heddle.