The Mastic Doctor team standing beside their branded vans outside an office building
Shetland Islands · Scotland

Melby commercial sealant contractors

Sealant work in Melby for main contractors, managing agents and facilities managers: sealant work for offices, shops, hotels and other commercial buildings, with a fixed quote first.

  • Leaks that seem to come through a sealant line
  • Layers of sealant, all of them failing
  • Black mould through washroom sealant that won’t clean off
1
Send details
Photos, drawings or a schedule, or we visit.
2
Get a quote
A fixed quote for the work, with the scope in writing.
3
We seal
Failed joints cut out, faces prepared, new sealant laid.
4
Guaranteed
12-month guarantee on our workmanship.
London, the South East & Scotland
CHAS & Constructionline
£5m PL insurance

Commercial sealant contractors near Melby

Photos, a specification or a quick description of the joints is enough to start a fixed quote.

How we handle commercial sealant contractors in Melby

Failed sealant isn’t always the whole story. A leak near a frame edge can start in the frame, the cill or the cavity while a movement joint that keeps tearing may simply be too narrow for the job. Part of the job is telling you when the fix is something other than sealant. We work on kitchen worktops and splashbacks, movement joints in walls and floors and washrooms and tea points, and what we are called in for most is frame mastic that has hardened and come away from the wall and black mould through washroom sealant that won’t clean off. Facilities teams, main contractors and managing agents in Melby tend to want the same three things: a fixed quote, no surprises on site and a 12-month guarantee behind the result.

Occupied buildings in Melby need the work phased: washrooms in turn, floors in sections and entrances kept open.

Scottish weather decides a lot about outside work in a place like Melby: sealant needs a dry joint and the right temperature, so external work has a weather window built in. Indoor work isn’t held up by rain.

Every job ends the same way: guaranteed. Our workmanship is backed for 12 months, and we explain exactly what that covers when we quote.

Location
Melby (ZE2)
Region
Shetland Islands
Cover
12 months on every job
Price
Fixed quote, scope in writing
Telephone
01277 525 020
Updated
3 November 2026
The Mastic Doctor team beside their liveried vans in front of an office building

Your questions answered

Will you travel to Melby on the island?

Yes. We work across every Scottish council area, and that includes island locations such as Melby. We group island work where we can and plan around the crossings.

Can you supply sealant in our brand colour for a site in Melby?

Yes, sealants come in a wide range of standard colours, and matching to RAL references, cladding, stone or frames is a common request. Send colour references or photographs and we’ll confirm what’s available for the product.

Is it OK to apply fresh sealant over existing beads?

The old bead is stripped out first. Then the joint is cleaned, primed where the maker specifies, backed to depth and resealed.

When can the area be used after sealing?

The product and site conditions decide that. Some products skin over quickly but need longer to cure fully, so we will confirm the curing time on the day.

Are your applicators CSCS-carded?

Yes. If you need card details for site access, let us know and we’ll send them with the quote.

Which sealant will you use?

If the job is specified, we follow the specification. Otherwise, we recommend a product to suit the joint’s movement, the substrate and the conditions, following the manufacturer’s guidance.

Will the building have to shut during the work?

That comes down to planning: areas are phased, access windows agreed and enough washrooms or entrances left in use. Tell us what has to stay open and we will plan the job around it.

How a job runs

The first thing on site is a walk round with your contact, to confirm the scope, the order of work and any areas we must keep clear. After that, any old or failed material is removed, each joint is prepared and the new sealant goes in. Travel to smaller Scottish places like Melby is planned so the job is finished in one visit where possible, so photographs, sizes and a full list matter. Outside work also needs a suitable weather window.

  1. First, details reach us through the quote form or a site visit.
  2. The cause is diagnosed and the scope priced as a fixed quote.
  3. Work is phased around your occupiers where areas need to stay in use.
  4. Old sealant is cut out completely, never sealed over.
  5. Each joint gets a suitable sealant, laid to depth and tooled.
  6. We check the work with you, and the 12-month guarantee starts.

What we need from you

  • Warn occupants and staff about the work
  • Flag any permit to work we’ll need
  • Explain the parking and delivery arrangements

Ask for a quote

A handful of photos and a postcode is the fastest way to a quote. Send them through the quote form, or speak to us on 01277 525 020 or email drawings and photos to discuss it first.

Get a quick quote

Related advice

Why act early in Melby

Reactive resealing, a leak at a time, tends to cost more overall than a plan. A planned programme groups work by building or area, cuts repeat visits and gives you a budget figure. We can help you prioritise, starting with the joints most likely to let water in. Around smaller places like Melby, halls, stores and seasonal buildings may not be checked often, so a failed joint has time to cause damage. Early resealing prevents it.

The product called for affects the cost, as does the preparation each joint needs, such as cutting out, priming or new backing rod. Access, phasing and site rules also count.

Why us?

  • Products installed to the manufacturer’s instructions
  • Over 20 years of commercial sealing
  • One contact handling all your sites
  • Public liability insurance in place

Take a look at how commercial sealant jobs are priced and how we’re accredited.

Looking after the joints

After handover, these steps help:

  • Check sealant as part of routine building inspections
  • Brief cleaning contractors to avoid scourers and blades on sealant
  • Keep washroom and kitchen extraction working
  • Keep a record of which joints were resealed and when

Good ventilation keeps wet-area sealant in better condition. Fans that are broken or switched off leave joints damp for longer, which is how mould gets back in. Your maintenance team can look at extract fans at the same time.

Tenants and staff spot black or split sealant quickly. Planned replacement saves fielding the same complaint again and again.

When something else is needed

We check first that sealant really is the fix. It isn’t the answer for:

  • A failed roof covering or waterproofing membrane
  • Cracking that needs a structural engineer to look at it
  • Water from a services leak rather than a joint

If you’re not sure, just phone 01277 525 020 or email a schedule or drawings and we’ll give you a straight answer before you book.

Where we work in Melby

  • Kitchen worktops and splashbacks
  • Floor and threshold joints
  • Window and door perimeters
  • External facade joints
  • Washrooms and tea points
  • Movement joints in walls and floors

General trades versus a specialist

A short, simple internal joint is often within reach of a maintenance team. Where it goes wrong is preparation: sealing over old material, sealing onto damp or dusty surfaces, or a product that can’t take the movement.

For a quick touch-up, site staff may be fine, but larger jobs are different: a specialist works through quantities efficiently, leaves a consistent finish and backs it with a 12-month guarantee.

Different surfaces, different methods

Movement joints in walls and floors

A trafficked floor joint needs a different product from a wall joint. We will recommend the right filler or sealant for the traffic and movement, and tell you if the edges need repairing first.

Shop fronts and retail fit-outs

In retail, sealant is on show. Joints around counters, displays and shopfront frames have to look tidy as well as seal. Colour options are confirmed with the quote.

Working on commercial sites near Melby

Melby is within about 1 mile of the coast. For shops, hotels and offices, that means frontage and frame joints that weather faster than they would inland. Where a frontage needs a particular colour, the product still has to suit that exposure. For an island location such as Melby, work is planned around ferry crossings and the weather. A complete list with photographs means one crossing, not two.

For premises around Melby where the joint is seen, colour options for the product are confirmed with the quote. A lasting commercial joint around Melby begins with the old bead fully out and the faces clean and dry.

Melby is in the Shetland Islands. We cover commercial sites throughout Melby. Our the Shetland Islands coverage takes in 63 places, large and small.

Postcode districts covered here: ZE2. Sites close to Melby are covered too, including Sandness (1 mile south-east), Walls (6 miles south-east), Aith (10 miles east), Easter Skeld (11 miles south-east) and Brae (12 miles north-east). Where a site is remote or on an island, travel and materials need planning ahead.

Landmarks near Melby

Open spaces near Melby include Loch of Norby.

Map of Melby © OpenStreetMap contributors
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