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

Facade and window perimeter sealing in Penicuik, Midlothian

Need facade sealing in Penicuik? It’s simple: send details, get a quote, we seal, guaranteed.

  • Unsightly perimeter sealant on a visible elevation
  • Cold air coming in at window perimeters
  • Failed sealant on precast panel joints
1
Send details
Send the specification, photos or a marked-up plan.
2
Get a quote
Scope agreed and priced before anything starts.
3
We seal
The right sealant, to the right depth, neatly finished.
4
Guaranteed
Backed by a 12-month workmanship guarantee.
Covering the South East & Scotland
CHAS accredited
£5m PL insurance

Facade sealing near Penicuik

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

Questions we are asked in Penicuik

Could you schedule work at a campus like University of Edinburgh - Easter Bush Campus for the vacation?

Yes, holiday working periods are the norm on campus jobs. Any paperwork you need, from RAMS to our insurance certificate and CSCS details, is confirmed with the quote.

Would you work within a site like Rosslynlee Hospital?

Yes, provided the work is planned with the site’s estates team. Work is phased so departments keep running, under the site’s own rules.

Is colour matching possible?

That depends on the product. Some ranges are wide, others limited, so we’ll confirm the colours available for the specified product with the quote.

Can you work on upper floors?

We agree access with the client at the start. Tell us about access: existing scaffold, what you are arranging and any site restrictions, and we’ll price the work around it.

Can you work to our specification?

Yes. The specification and the manufacturer’s installation guidance are what we work to, and any queries are raised before we start.

Should we check old sealant for asbestos?

Some older mastics, especially in pre-2000 buildings, can contain asbestos. Check the asbestos register or survey before it is disturbed, and if anything is suspected, we stop until it’s tested. We don’t remove asbestos-containing materials.

Do you take on small jobs?

Small jobs are welcome alongside larger packages. Photos and a description are enough to start.

Facade sealing for commercial buildings in Penicuik

Every facade quote starts with how the joints will be reached. Let us know what access exists or is planned, and any site rules we need to work around. If you’re dealing with previous reseals run over old sealant and discoloured or dirty facade joints, we can put it right, on shopfront frames, perimeter joints where frames meet the structure and stone and brick facade joints alike. Sealant applicators who only do sealant are a different proposition from a general trade with a gun in the van: on jobs in Penicuik, preparation and product choice get the time they need.

Weather windows matter for outside mastic in a town like Penicuik: faces need to be dry and inside the product’s working temperature band. We agree the plan with the site team and adjust as the forecast changes.

We stand by our work: 12 months, guaranteed. That covers our preparation and application.

The Mastic Doctor team beside their liveried vans in front of an office building
Where
Penicuik (EH26)
Region
Midlothian
Guarantee
12 months on our workmanship
Price
Quoted before any work starts
Call
01277 525 020
Updated
3 November 2026

On site: what to expect

Our CSCS-carded applicators arrive with the sealants, primers and backing rod the job calls for. Any old material is cut back to clean, sound faces, primer goes on where the manufacturer specifies it, and the sealant is tooled off neatly. Industrial estates and retail parks around towns like Penicuik typically have yard space and site rules. Town-centre premises may need parking planned.

  1. Access, site rules and timing are settled with the client up front.
  2. We only seal when joints are dry and within the product’s temperature range.
  3. We remove the old bead and check the edges are sound.
  4. Joints are cleaned, primed if required and fitted with backing rod.
  5. Facade-grade sealant goes in and is tooled to a tidy concave profile.
  6. Once signed off, the work carries our 12-month guarantee.

Preparing the site

  • Point out parking and an unloading spot
  • Share your working hours and any access restrictions
  • Let us know about inductions and permits

Get a fixed quote

Send details, get a quote, we seal, guaranteed: that’s how every job runs. To take the first step, ring 01277 525 020 or send details through our quote form.

Ask for a quote

Related advice

What happens if it’s left?

A few metres of new sealant compare well with replacing ceilings, linings or damaged stock. Leaks travel along the structure. A leaking joint can damage finishes, stock and fittings inside. Early action limits what needs repairing.

Access often affects the price as much as the sealing: 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 you get with us

  • A Constructionline member, so easy to vet
  • Work carried out by CSCS-carded applicators
  • Products installed to the manufacturer’s instructions
  • One contact handling all your sites

Read our cost guide and our accreditations.

Building owners, agents and FMs in Penicuik

CHAS accredited and a Constructionline member, we are straightforward to vet for your supplier list. We are fully insured, and our insurance certificate can go with the quote.

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, with each stage agreed with your site contact.

When it isn’t the sealant

Honesty saves time and money. Fresh joints won’t solve:

  • Arranging specialist high-level access, which is planned with the client
  • Movement beyond what any sealant can handle
  • Render or concrete edges that have broken away

Not sure which it is? You can ring 01277 525 020 or send details through our quote form and we’ll tell you honestly.

Joints and surfaces we work on

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

Common problems we fix in Penicuik

Overlaying old sealant is a common shortcut that fails quickly. Cured silicone won’t accept a new silicone bead, so the new bead peels away within a season or two.

It’s worth sending us details if you spot any of the following:

  • Discoloured or dirty facade joints
  • Gaps between rainscreen or cladding panels
  • Sealant pulling away from frames or panels
  • Cold air coming in at window perimeters

Work at a hotel such as Craigiebield House Hotel, 0.5 miles south-west of Penicuik, tends to be programmed around bookings, mastic included.

Questions to ask before you book

  • Will CSCS-carded applicators be on site?
  • Their public liability cover
  • Can the work be phased to keep areas open?
  • Their pre-qualification and accreditations

How to choose a sealant contractor

Surface by surface

Perimeter joints at frames and structure

Perimeter joints at frames often show their age first. We cut them out, prepare both faces and reseal to the specification.

Brick and stone facades

On masonry, the sealant has to suit a porous, textured surface. We avoid acetoxy silicone, which can stain some natural stone.

Sites and facades in and around Penicuik

Projects in Penicuik follow Scotland’s building regulations, with the local authority acting as verifier. We seal to the specification that sits behind the warrant. Being in the east of Scotland, Penicuik gets less rain than the west coast. Frost and condensation on frames and panels can still hold up external mastic on winter mornings. External mastic is planned with the site manager for workable conditions.

Building work at universities like University of Edinburgh - Easter Bush Campus, 2.2 miles north of Penicuik, is often timed for the summer, mastic included. Hospital estates such as Rosslynlee Hospital (to the north-west of Penicuik) 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.

Penicuik is about 8 miles south of Edinburgh, in Midlothian. Any commercial site in Penicuik is covered, whether it’s a single job or part of a planned programme. Penicuik is one of 34 places we cover in Midlothian. Edinburgh is covered too, some 8 miles away.

Work on facade joints is covered throughout EH26, whatever the building. Buildings on Windsor Square, High Street and The Square are within our area for facade joints. Penicuik sits on or close to the A701 and A702. Close to Penicuik, our area also takes in Milton Bridge (1 mile north-east), Howgate (2 miles south-east), Silverburn (2 miles west), Swanston (4 miles north) and Bonaly (5 miles north). A short drive away, we cover Bonnyrigg (5 miles north-east), Dalkeith (7 miles north-east), Loanhead (4 miles north-east), Gorebridge (7 miles east), Newtongrange (7 miles east) and Mayfield (8 miles east). Penicuik is one of the busier places in Midlothian, and its commercial and public buildings are all within our area.

Around Penicuik

We work on buildings around Craigiebield House Hotel. Nearby you’ll also find Rosslynlee Hospital (1.7 miles north-west) and Penicuik Paper Heritage Museum (0.7 miles south). Green spaces nearby include Edgelaw Reservoir and Turnhouse Hill.

Map of Penicuik © OpenStreetMap contributors
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