Facade Sealing in Crosbost
Facade joint and window perimeter sealing on commercial buildings throughout Crosbost and nearby, carried out by CSCS-carded applicators. CHAS accredited and fully insured.
- Damp patches beside frames after rain
- Weathered joints at frame-to-structure perimeters
- Old perimeter mastic that has dried out
Facade sealing near Crosbost
Share the site address and what’s failing, and we’ll reply with a fixed quote or arrange a visit.
Sites and facades in and around Crosbost
Crosbost is within about 1 mile of the coast. Coastal exposure means perimeter and cladding joints work harder than on an inland job, so we check the specified product suits the exposure before the first bead. Being in the west of Scotland, Crosbost gets more rain than eastern areas. External mastic dates are agreed with the site manager, with internal sealant kept ready for wet days.
New wings at hospitals like Western Isles Hospital (5.9 miles north of Crosbost) bring long runs of window and panel joints to seal. For contractors building in or near Crosbost, we seal to the drawings, the specification and the programme.
Crosbost is in Na h-Eileanan Siar. Crosbost sits inside our coverage, and jobs here get the same fixed quote and 12-month guarantee as anywhere else. Crosbost is one of 87 places in Na h-Eileanan Siar on our list.
Business premises anywhere in HS2 are within our area. Sites close to Crosbost are covered too, including North Lochs (1 mile west), Liurbost (1 mile west), Lacasaidh (4 miles south-west), Sandwick (5 miles north-east) and Stornoway (5 miles north). Remote and island addresses take more planning, from travel and ferries to the weather, so give the site location in your enquiry.
Landmarks near Crosbost
Well-known places in the area include Western Isles Hospital (5.9 miles north). Open spaces near Crosbost include Loch na Craoibhe and Nisreaval.
Facade sealing in Crosbost, done properly
External joints face UV, rain, temperature swings and building movement all year, so they don’t last indefinitely. How long a joint lasts depends on the movement it takes, its exposure, the product and how well it was installed. When it fails, the whole bead is cut away and the joint rebuilt. Most enquiries involve failed seals around shopfront and entrance frames and water coming in around window frames, across perimeter joints where frames meet the structure, stone and brick facade joints and cladding panel joints. For commercial sealant work in Crosbost, you deal with one contact from quote to sign-off, for single jobs and planned programmes alike.
Sites near smaller places like Crosbost can mean longer travel, so the mastic is planned with as few trips as the job allows. Clear drawings, a programme and photographs let us bring the right sealants, primers and backing rod first time.
Guaranteed is the last step of every job. You get a 12-month guarantee on our workmanship, and the quote explains what it covers.
- Where
- Crosbost (HS2)
- Wider area
- Na h-Eileanan Siar
- Guarantee
- 12 months on our workmanship
- Price
- Quoted before any work starts
- Call
- 01277 525 020
- Last updated
- 3 November 2026
Different surfaces, different methods
Cladding panel joints
Panel joints on cladding and rainscreen systems take movement every day. We use a product rated for the movement and suited to the panel surface, often a low-modulus silicone or hybrid.
Window and door perimeters
Frame-to-wall joints at windows and doors are the facade joints we reseal most. A low-modulus, neutral-cure product suits most frame-to-wall joints.
Work for main contractors and building owners
Blocks and communal areas make up much of the work for housing associations and agents. We phase the work so people keep access, with each stage agreed with your site contact.
Hotels, schools, healthcare sites, offices and retail units book us directly too. The work is planned around how the building runs, so guests, pupils, patients or staff are disturbed as little as possible.
Looking after the joints
Your facilities or cleaning team can help the joints last. Share these points with them:
- Inspect facade joints on a regular cycle
- Don’t wait for a second leak before calling
- Check that rainwater leaves the facade the way it was designed to
- Avoid harsh cleaners on facade sealant
Record the sealant type and date on the building file. Future work can then match the product and colour.
Coordinate facade sealing with other external works. One set-up for several trades saves money.
How a job runs
On arrival, we sign in, go through any site induction and check how permits are handled. Everything around the joints gets protected before anything is cut or cleaned, and the work usually takes a day or two for a few elevations, and longer where access has to be moved around the building. Travel to smaller Scottish places like Crosbost is planned so the job is finished in one visit where possible, which is why we ask for photographs and a full list first. Outside work also needs a suitable weather window.
- Access, site rules and timing are settled with the client up front.
- Weather and temperature are checked against the product’s limits.
- Each joint is cut out and the edges inspected.
- Faces are cleaned, primed where needed and backed.
- Sealant is gunned in and tooled hard onto both faces.
- Once signed off, the work carries our 12-month guarantee.
Before we start on site
- Send asbestos survey details if the building is pre-2000
- Confirm the product named in the specification
- Agree which areas must stay open
Quotes
Send details, get a quote, we seal, guaranteed: that’s how every job runs. To take the first step, give us a call on 01277 525 020 or email a schedule or drawings.
Related advice
What happens if it’s left?
Scaffold or access already on site makes resealing much simpler. Coordinating facade sealing with other external works avoids paying for access twice, saving a second set-up. In Scotland, wind-driven rain finds a failed joint quickly, and for a smaller place like Crosbost, a repair visit takes planning, so it’s better to act early.
The specified product makes a difference, as does the preparation each joint needs. Access, phasing and site requirements come into it too.
Why choose Mastic Doctor in Crosbost
- Constructionline member
- CSCS-carded applicators
- Colours chosen to suit frames, cladding or finishes where possible
- Products installed to the manufacturer’s instructions
Read how commercial sealant jobs are priced and our accreditations.
Other services in Crosbost
Questions about Crosbost
Is Crosbost inside the area you cover, given it’s on an island?
Yes. Islands are part of our area, Crosbost included. Ferry times and the weather set the plan, so we ask for photos and a full list first.
Is hospital work, at somewhere like Western Isles Hospital, something you do?
Yes. We work in healthcare settings as well as offices and schools. We follow the site’s permits, sign-in and infection-control procedures in every area.
Which sealant will you use?
Where there’s a specification, we use the product it names. If not, we choose for the movement, the surfaces and the conditions, in line with the manufacturer’s guidance.
Do you run new sealant over the existing bead?
No. New sealant won’t hold on old sealant, so the old bead is cut away. That is what makes the new joint last.
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. Removal of asbestos isn’t something we do.
When can you be on site?
We’re in the office from 8am until 5pm, Monday to Friday. Tell us your site hours and access windows and the work will be fitted around them.
Can you follow the specification on our project?
Yes. Include it with the drawings when you ask for a quote, and we will price the work to it, flagging anything that needs clarifying.
When to bring in a specialist
Putting right a botched joint often costs more than sealing it well at the start, because the whole bead must be removed and the faces cleaned back again. That’s why many clients bring in a specialist from the beginning.
Some joints are best left to specialists: for example fire-rated seals that must match a tested detail, trafficked floor joints and external movement joints. A poor seal in places like these tends to cost more to put right later.