Mossbank expansion joint sealing
Expansion and movement joint sealing in walls, decks and floors in Mossbank and across the Shetland Islands. CHAS accredited, Constructionline member, with a 12-month guarantee on workmanship.
- Joints packed with grit and debris
- Layers of sealant in a movement joint
- Torn sealant in brick or block movement joints
Expansion joint sealing across Mossbank
Tell us what needs sealing and where, with photos or drawings if you have them, and we’ll price it.
Expansion joint sealing in Mossbank, done properly
Every structure moves a little, all the time: temperature, moisture, shrinkage and loading all make materials grow and shrink. Movement joints are where that movement is absorbed, and the sealant in them keeps water and debris out. Mastic Doctor reseals movement joints in brickwork, blockwork, concrete, cladding and floors for buildings in Mossbank. If you are dealing with arrises breaking up along floor joints and previous reseals laid over old sealant, we can put it right, on brickwork movement joints, precast concrete panel joints and cladding panel joints alike. A specialist sealant contractor works differently from a general builder: on jobs in Mossbank, preparation and product choice get the time they need.
For outside joints near Mossbank, the Scottish weather sets the timetable: dry faces and the right temperature are essential. Inside slabs aren’t affected and can be scheduled around the occupier.
Every job ends the same way: guaranteed. You get a 12-month guarantee on our workmanship, and the quote explains what it covers.
- Location
- Mossbank (ZE2)
- Wider area
- Shetland Islands
- Guarantee
- 12 months on our workmanship
- Quotes
- A fixed quote before we start
- Phone
- 01277 525 020
- Page updated
- 3 November 2026
For managing agents and facilities managers
For main contractors, we work as the sealant subcontractor, on new build and refurbishment alike. We work to your programme, your specification and your site rules.
Blocks and communal areas make up much of the work for housing associations and agents. Work can be phased so residents and staff keep access throughout, and each stage is agreed with your contact.
More services for Mossbank
Slabs, ramps and loading bays in Mossbank
The sea is no more than about 1 mile from Mossbank. External movement joints in car parks, ramps and yards near the coast take salt and wind-driven rain on top of traffic, so it pays to keep them sealed. Island jobs, Mossbank among them, are planned around the ferry and the forecast. Joint widths, lengths and the traffic over them help us bring the right fillers and sealants.
Around Mossbank, open joints collect water and debris, and the arrises are the next to go.
Mossbank is in the Shetland Islands. Anywhere in ZE2, it works the same way: send details, get a fixed quote, we seal, and the work is guaranteed. 63 places across the Shetland Islands fall within our area, Mossbank among them.
Business premises anywhere in ZE2 are within our area for movement joints. We cover commercial and managed buildings on Smuggabank, Rayburn Road and Burraness. We also cover Firth (1 mile south-west), Scatsta (4 miles south-west), Burravoe (5 miles north-east), Ollaberry (6 miles north-west) and Vidlin (6 miles south). Island and remote sites need extra planning, with travel, ferry crossings where needed and weather to allow for, so mention the location when you call the office on 01277 525 020 or email the details over.
Around Mossbank
For a walk, there’s Neshion Water.
Common questions from Mossbank clients
Can you take on a job in Mossbank, on the island?
Yes. Every Scottish council area is within our area, and that includes island locations such as Mossbank. Island work is planned around ferry crossings and the weather, so photos and a full list before we travel are essential.
Do we have to stop operations in Mossbank while the joints are sealed?
Usually not: we work in sections and hand each one back once it has cured. Tell us which hours and entrances we can use and we’ll plan from there.
Do your applicators hold CSCS cards?
Yes. Our applicators hold CSCS cards.
Do you use silicone or polyurethane in movement joints?
The right product depends on the joint. Facades often take a low-modulus silicone; floors and decks usually need a polyurethane.
What’s the difference between an expansion joint and a movement joint?
The terms overlap a great deal. Both let materials grow and shrink with temperature, moisture and load, and the seal across it keeps water and debris out.
How long before the joints can be used?
That comes down to the sealant and the temperature. Some products skin over quickly but need longer to cure fully, and we confirm it before leaving site.
Can you seal joints in cold or wet weather?
Sealing onto a damp surface leads to adhesion failure so we’d rather rearrange than seal in the rain. We agree a revised date with you.
When to call us in Mossbank
Sealant peeling cleanly off one side is an adhesion failure. Poor preparation, a skipped primer, or sealant bonded to the back of the joint are typical reasons and it often shows on rushed work.
These are often picked up first by site or facilities staff:
- Torn sealant in brick or block movement joints
- Sealant peeling off one face of the joint
- Rain penetration at brick or block movement joints
- Debris jammed in movement joints
For floors and slabs around Mossbank, the product is chosen for the traffic and the movement at each joint.
Comparing quotes
- Is depth set with backing rod, or bond-breaker tape in shallow joints?
- Their public liability cover
- Whether primer will be used where the manufacturer specifies it
- Is the sealant right for the movement and the substrate?
Honest limits
Part of a good diagnosis is knowing where sealant stops. We will tell you if the real problem is any of the following:
- Damaged metal nosings or cover plates over a joint
- Failed waterproofing membranes on podiums, roofs or decks (a waterproofing specialist’s job)
- Cracking or settlement that calls for an engineer’s assessment
If in doubt, give us a call on 01277 525 020 or email the details over and we’ll say what we think before you book.
Joints and surfaces we work on
- Blockwork control joints
- Podiums and floor movement joints
- Cladding panel joints
- Precast concrete panel joints
- Car park decks and ramps
- Brickwork movement joints
From enquiry to sign-off
When we get to site, we report to your site contact and complete whatever induction the building runs. Floors, finishes and fittings next to the joints are covered before any cutting starts, with the work itself typically taking a short visit for a handful of joints, or several days or more for a car park deck or long runs of facade joints. Tell us who will meet us and how to get in at your building near Mossbank. We will confirm the plan with the fixed quote.
- We assess the joints on site or from photos, noting widths and how each has failed.
- You receive a fixed quote stating the product and the movement it is rated for.
- Phasing is agreed so decks, floors or entrances can stay in use where needed.
- We strip the old sealant or filler and prepare each face until it’s sound and dry.
- Backing rod or bond-breaker sets the depth, primer goes on where specified, and the sealant is applied and tooled.
- We check each joint with you, confirm the cure time and sign off under our 12-month guarantee.
Getting the site ready
- Send your site hours and access windows
- Flag any permit to work we will need
- Make sure the joints can be reached
Get a fixed quote
Pricing a project or setting a maintenance budget? Send the scope and any drawings, and we will return a fixed quote you can plan around. For a chat about it beforehand, call 01277 525 020 or email a schedule or drawings.
Related advice
Why deal with it now?
Some quotes just add sealant over the old bead. A bead laid on top of the failed one neither grips nor flexes properly and soon lets go. We cut out the old seal and prepare the faces every time. For buildings near Mossbank, dealing with all the failing joints at once saves return trips. Photos of each area help us quote the whole job.
Whether it’s a single area or a whole estate, the same things set the price: scope, access, product and programme. Call for a quote, and you’ll have a fixed figure to work with.
Why choose Mastic Doctor in Mossbank
- Colours confirmed for the specified product
- Standard and matched colours in many product ranges
- Joints cleaned back to sound surfaces
- Health and safety: CHAS accredited
Read what affects the cost and our accreditations and insurance.
Surface by surface
Joints between different materials
Junctions between brick and render, or concrete and cladding, move independently. We choose a sealant that grips both faces priming where the maker calls for it.
Cladding panel joints
Access to cladding joints is agreed before the price is fixed. Close-up photos help us judge the joints.