
Mastic sealant contractors in Comiston
Mastic sealing for building owners, managing agents and housing associations throughout Comiston and nearby, carried out by CSCS-carded applicators. CHAS accredited and fully insured.
- The same joint failures repeated across a portfolio
- Draughts at frames across a block
- No planned programme for sealant
Mastic sealing for businesses in Comiston
Send drawings, photos or a joint schedule, or tell us about the site, and we’ll come back with a fixed quote.
How we handle mastic sealing in Comiston
On a residential block, the work happens around people’s lives. The sequence, the areas and the dates are settled with you so you can let residents know what is happening. Communal entrances and stairs stay usable while we work. If you are dealing with worn sealant at communal door frames and cracked, hardened mastic round windows on a block, we can help, on external wall and movement joints, window and door perimeters on blocks and balcony and threshold joints alike. Most enquiries from Comiston start with one failed joint and grow into a wider look at the building: we look at the rest while we’re there and tell you what we find.
Scotland’s city blocks are largely sandstone or, in Aberdeen, granite, so perimeter mastic around replacement windows has to be neutral-cure and kind to the masonry.
The 12-month guarantee is for workmanship rather than wear and tear. Sealant wears with time, and movement, weather, cleaning and use decide how fast, so we spell out the cover before we begin.
- Location
- Comiston (EH10, EH13)
- Region
- Edinburgh
- Cover
- 12 months on our workmanship
- Price
- A fixed quote before we start
- Call
- 01277 525 020
- Page updated
- 3 November 2026

Questions about Comiston
Can you work at a site such as Blackford Business Park, by Comiston?
Yes, sites like Blackford Business Park are within our area, along with the rest of Comiston. Photos and a short description are enough for a first look.
Can you work in a care home near Comiston with residents in?
Yes. Care settings are planned area by area, at times agreed with the home. Noise and disruption are kept to a minimum.
Can you seal joints high up on a block?
Every block is different. We agree access with you at quote stage so the fixed quote reflects it.
Do you work in Comiston?
Yes. We cover Comiston, and you can call 01277 525 020 or email drawings and photos to get started.
When can the area be used after sealing?
We will confirm how long the chosen product needs to cure.
How do we ask for a quote?
It works in four steps: send details, receive a fixed quote, we carry out the work, and it’s guaranteed. The first step only needs photographs and a postcode.
Is asbestos a concern with old mastic?
Some mastics in pre-2000 buildings contain asbestos. We ask for the asbestos register or survey before work starts, and if it’s suspected, work stops until it’s tested.
For managing agents and facilities managers
Agents, factors and owners’ representatives all follow the same route: send details, get a fixed quote, we seal, guaranteed. We can agree access arrangements and keyholder contacts beforehand.
Planned maintenance programmes are welcome: working through a building or an estate in stages that fit your budget. Sites in Comiston can sit alongside others in a wider programme across Edinburgh.
Our process
Where the site stays busy, the work is phased so only one area is out of use at a time. Each area is protected, prepared and sealed, then handed back before the next one starts. Work on a big city site in Scotland normally involves inductions and permits. Tell us the rules and we’ll work to them.
- We check the asbestos register for older buildings and look at the joints.
- A fixed quote covers the joints, products and order of work.
- We strip out the old sealant.
- Joint faces are cleaned, backed and resealed.
- We finish each building before moving to the next.
What we need from you
- Have the specification and drawings to hand
- Tell us what induction or permit system the site runs
- Explain the parking and delivery arrangements
Request a quote
Every quote starts with the facts: the joints involved, quantities, access and the product called for. Send what you have, and we’ll arrange a site visit if anything is unclear.
Related advice
What the job involves on each surface
Communal areas
Low-level communal joints get damaged more than most and tend to fail first.
External movement joints
The joint width has to suit the movement and the sealant’s capability with the width-to-depth ratio set as the manufacturer advises.
Looking after the joints
Regular inspection catches problems early. Specifically:
- Have the asbestos survey to hand for older buildings
- Encourage occupiers to report problems at frames
- Keep bins and bikes away from communal door frames
- Include mastic in your cyclical inspections
Protect entrance and corridor joints from knocks where possible. Knocks cause many early failures in communal areas.
Leaks at window perimeters spoil finishes and can affect frames. Early resealing is far simpler than repairs inside.
More services for Comiston
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:
- Masonry that has broken away beside the joint
- Failed window or door frames, which need a window contractor
- Asbestos-containing sealant, which we don’t remove
If in doubt, call the office on 01277 525 020 or email a schedule or drawings and we will say what we think.
Surfaces we seal
- Communal entrances and stairwells
- External wall and movement joints
- Balcony and threshold joints
- Window and door perimeters on blocks
- Shopfronts below residential blocks
- Communal kitchens and washrooms
Common problems we fix in Comiston
Poor preparation explains many failed joints. Without clean, sound faces and a primer where the product needs one, the bead peels off one side.
Clients normally get in touch after noticing one or more of the following:
- Old repairs sealed over failed mastic
- Damp patches beside frames
- Movement joints with sealant missing
- Estate-wide sealant that is simply worn out
Property owners at sites such as Blackford Business Park (to the north-east of Comiston) can have mastic renewed between lettings.
What your quote should include
- Health and safety accreditation such as CHAS
- Which product they’ll use, and why it suits the joint
- Their public liability cover
- Do they follow the manufacturer’s priming guidance?
Mastic sealing around Comiston: how the place shapes the job
The east of Scotland, where Comiston is, gets less rain than the west. External mastic still needs a dry joint and the right temperature, and winter mornings can be frosty. Block programmes are built with that in mind Six care or nursing homes sit less than 2 miles from Comiston. For owners and operators of care buildings, window perimeters and external joints are best renewed in planned phases around residents.
Student accommodation around universities such as Edinburgh Napier University - Merchiston Campus (1.6 miles north of Comiston) is typically managed block by block, which suits a planned mastic programme. Site managers at schools like Firrhill High School can fit frame mastic into the summer works.
Comiston is about 2 miles south of Edinburgh, in Edinburgh. We cover Comiston, and jobs here get the same fixed quote and 12-month guarantee as anywhere else. 174 places across Edinburgh fall within our area, including Comiston.
We take on mastic joints across the EH10 and EH13 postcode area, for business premises of every kind. For a building on Braid Road, Camus Avenue and Comiston Road or nearby, we can quote for mastic joints. If your building is just outside Comiston, we cover Oxgangs (1 mile south-west), Greenbank (1 mile north-west), Caiystane (1 mile south), Buckstone (1 mile east) and Colinton Mains (1 mile west). Nearby towns on our patch include Leith (5 miles north), Bonnington (4 miles north), Greenside (3 miles north), Broughton (3 miles north), Bellevue (4 miles north) and Silvermills (3 miles north).
Landmarks near Comiston
In Comiston, that means premises near Army School of Bagpipe Music and Highland Drumming and Harrison Park, among other places. The nearest railway station is Slateford station, roughly 1.6 miles north-west of the centre. A little further out are Cameron Toll Shopping Centre (2.2 miles north-east) and Cockburn Geological Museum (1.8 miles north-east). Green spaces nearby include Duddingston Loch and Craiglockhart Hill.