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

Hamister facade sealing

We carry out facade joint and window perimeter sealing on commercial buildings in Hamister. Send details for a fixed quote.

  • Staining on stone next to old sealant
  • Facade joints cracked through the middle
  • Air leaks through failed facade joints
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
CSCS-carded applicators, the right product for each joint.
4
Guaranteed
12-month guarantee on our workmanship.
Covering the South East & Scotland
CHAS accredited
£5m public liability

Facade sealing in Hamister

Send drawings, photos or a joint schedule, or tell us about the site, and we’ll come back with a fixed quote.

Facade sealing for commercial buildings in Hamister

Access is part of every facade job, and we plan it with you before quoting. Tell us about access: whether scaffold is already up, what the client is arranging, and any restrictions on the site, and we will fit the work around it. Site teams most often ask us about new sealant peeling off old mastic and failed seals around shopfront and entrance frames, across shopfront frames, cladding panel joints and coping and flashing joints. Looking for mastic applicators who cover Hamister? We’ve been sealing commercial buildings since 2005.

Construction around smaller Scottish places like Hamister is often one-off schemes: a school, a health centre, a hotel extension or a few houses. Exposed elevations in Scotland put facade and perimeter joints to work from day one, so the sealant choice matters.

Every job we finish is backed by a 12-month workmanship guarantee, in Hamister as everywhere else we work. If our installation lets you down in that time, we return and fix it.

Mastic Doctor team members lined up next to their branded vans outside an office building
Place
Hamister (ZE2)
Wider area
Shetland Islands
Cover
12 months on our workmanship
Quote
A fixed quote before we start
Telephone
01277 525 020
Page updated
3 November 2026

When to bring in a specialist

The visible bead is only part of the job. Backing rod, primer where specified and a joint designed to move with the building are easy to get wrong without experience.

General builders and handymen seal joints, but it isn’t their main trade. A specialist prepares properly, controls joint depth and picks a product with the right movement class, which is what makes a joint last.

Surface by surface

Render and coated surfaces

Rendered and painted facades need a sound edge for the sealant to bond to. Loose coatings are cleaned back first.

Cladding panel joints

On sealed panel systems, every joint keeps water out. We cut out failed joints along their full length and rebuild them.

Common questions from Hamister clients

Our building in Hamister is near the coast: does that change the sealant?

It can, yes: buildings near the sea take more wind-driven rain, and salt in the air nearer the shore. We choose the product for the exposure, prime where the manufacturer requires it and size the joint for its movement.

Can you keep pace with our programme in Hamister?

Yes. The mastic is planned around your key stages. We are CHAS accredited and a Constructionline member, and paperwork such as RAMS is confirmed with the quote.

Are you CHAS accredited and on Constructionline?

Yes. Mastic Doctor is CHAS accredited and a Constructionline member, which helps with supplier vetting.

Is Hamister in your area?

Yes. Sites across Hamister are covered, with one number for every area we cover.

Is any job too small?

Single areas, one-off repairs and whole buildings are all quoted the same way: details, then a fixed price, then sealing, then a 12-month guarantee.

Do you offer coloured sealant?

Often, yes. Many products come in a range of standard colours, and matching to RAL references or surrounding finishes is often possible. We will confirm the colours available for the specified product.

When can you be on site?

Mention the site’s hours and access windows in your enquiry, and we will plan around them. Our office runs Monday to Friday, 8am until 5pm.

How the quote is worked out

Sealant work doesn’t have a standard rate, because every site is different. What we look at:

  • Whether old sealant has to be cut out first
  • Any access equipment needed
  • How much there is to seal
  • Induction, permit and paperwork requirements

Access can matter as much as the joints themselves: easy-to-reach joints are quicker than those that need equipment to get to. Mention the access as part of your enquiry.

Details that help us quote

We can often quote from photographs and a few details. It helps to include:

  • Whether an asbestos survey exists
  • Your programme or deadline
  • What the building is and how it’s used
  • Approximate linear metres or a joint schedule

To get a fixed quote, give us a call on 01277 525 020 or send photos by email. Our quote form is another easy route.

What sealant work can’t fix

Sealant solves a lot, but not everything, and we are upfront when that’s the case. These need a different solution:

  • Replacing glass or failed glazing units
  • Joints whose design needs changing by the specifier
  • Damaged frames that need replacing

If you’re not sure, just call the office on 01277 525 020 or email a schedule or drawings and we will give you a straight answer before you book.

Surfaces we seal

  • Shopfront frames
  • Perimeter joints where frames meet the structure
  • Cladding panel joints
  • Window and door perimeters
  • Stone and brick facade joints
  • Coping and flashing joints

Our process

Occupied buildings need a little choreography. We sign and contain the area we are in, with routes through the building left open and move on in phases so staff and visitors can carry on around us. Tell us who will meet us and how to get in at your building near Hamister. That goes into the plan alongside the quote.

  1. We look at the joints, the drawings and the access before pricing.
  2. Failed sealant is cut out along its full length.
  3. Joint faces are cleaned to firm, sound material, with primer where the sealant maker specifies it.
  4. Closed-cell rod fixes the depth, and the sealant grips two sides only.
  5. A facade-grade sealant rated for the movement goes in, tooled to a concave profile.
  6. We walk the finished joints with you before handing over.

What we need from you

  • Point out parking and an unloading spot
  • Send any specification or drawings in advance
  • Warn occupants and staff about the work

Request a quote

Every quote starts with the facts: what’s there, how much of it, how we reach it and what’s specified. Send what you have, and we’ll arrange a site visit if anything is unclear.

Get a price

Read more

Facades, frames and programmes in Hamister

Hamister lies within about 1 mile of the sea. Coastal exposure means perimeter and cladding joints work harder than on an inland job, so joint design, primers and product choice deserve extra care. Scotland has its own building regulations, and in Hamister warrants come from the local authority verifier. The mastic follows the specification that goes with the warrant.

Around Hamister, as anywhere, a facade joint depends on its sizing, backing rod and preparation. For contractors building in or near Hamister, we seal to the drawings, the specification and the programme.

Hamister is in the Shetland Islands. Looking for facade sealing in Hamister? We can help. Hamister is one of 63 places in the Shetland Islands on our list.

Postcode districts covered here: ZE2 for facade joints. For a building on Norrendal and North Park or nearby, we can quote for facade joints. We also cover Symbister (1 mile south), Tripwell (1 mile north-east), Sandwick (1 mile south), Clate (1 mile south) and Brough (1 mile north-east) for facade joints. Nearby towns on our patch include Lerwick (15 miles south), Sound (15 miles south) and Brae (12 miles west). Remote and island addresses take more planning, from travel and ferries to the weather, so mention the location when you call the office on 01277 525 020 or send details through our quote form.

What’s near Hamister

Green spaces nearby include Setter Hill and Little Water.

Map of Hamister © OpenStreetMap contributors

Keeping the joints sound

Keep the joints in good shape with a few simple steps:

  • Add perimeter sealant to planned maintenance checks
  • Keep pressure washers away from fresh sealant
  • Keep the sealant details on the building file
  • Check that rainwater leaves the facade the way it was designed to

Record the sealant type and date on the building file. Future work can then match the product and colour.

Use each reseal to correct the joint: the right width, backing rod and a sealant with enough movement capability. Repeating a faulty detail just repeats the failure.

Accreditations

Trusted. Accredited. Insured.