Mastic Sealing in Wishaw
Planning work on a mastic joint in Wishaw? We assess it, carry out the work and guarantee our workmanship for 12 months.
- A mix of products and colours from past repairs
- Water getting in round frames after rain
- Complaints coming in block by block
Need mastic sealing in Wishaw?
Tell us what needs sealing and where, with photos or drawings if you have them, and we’ll price it.
Work for main contractors and building owners
For main contractors, we work as the sealant subcontractor on new-build and refurbishment projects. We work to your programme, your specification and your site rules.
As a CHAS accredited contractor and Constructionline member, we’re straightforward to vet for your supplier list. We are fully insured, and our insurance certificate can go with the quote.
About our mastic sealing in Wishaw
Owners and agents usually inherit a building’s mastic rather than choose it, and it ages quietly: it sits round windows and doors, along external joints and through communal areas. Once it cracks, hardens or comes away, draughts and water find a way in, and occupiers start reporting it. We work on communal entrances and stairwells, communal kitchens and washrooms and balcony and threshold joints, and the failures we’re asked to look at most are window mastic that has split and shrunk and the same joint failures repeated across a portfolio. Sealant applicators who only do sealant are a different proposition from a general trade with a gun in the van: on jobs in Wishaw, preparation and product choice get the time they need.
External mastic on buildings in Wishaw has to go on dry, so programmes have some flexibility. Communal areas and inside work can fill the wetter days.
Guaranteed is the last step of every job. Our workmanship is backed for 12 months, and we explain exactly what that covers when we quote.
- Location
- Wishaw (ML2, ML1)
- Wider area
- North Lanarkshire
- Cover
- 12 months on our workmanship
- Quote
- Quoted before any work starts
- Telephone
- 01277 525 020
- Updated
- 3 November 2026
Other services in Wishaw
When something else is needed
A few problems need another trade or a different fix, and we say so rather than covering them up:
- Substrate edges that need repairing first
- Failed window or door frames, which need a window contractor
- Roof leaks, gutters or failed flashings that aren’t sealant joints
Not sure which it is? You can give us a call on 01277 525 020 or email drawings and photos and we’ll tell you honestly.
What we seal
- Shopfronts below residential blocks
- Balcony and threshold joints
- Communal kitchens and washrooms
- Window and door perimeters on blocks
- External wall and movement joints
- Communal entrances and stairwells
Do you need mastic sealing in Wishaw?
Previous repairs often sealed new mastic over old. New silicone has nothing to grip on old silicone, so these repairs rarely last.
Site and facilities staff are often the first to spot these:
- Mastic failing across several blocks on an estate
- Occupiers reporting cold air round windows
- Open joints in brickwork or panels
- Damp patches beside frames
For agents with blocks near Wishaw station, less than half a mile south-west of Wishaw, a block-wide mastic programme deals with frames, balconies and entrances in one go.
Questions to ask before you book
- Are they CHAS accredited or on Constructionline?
- Will RAMS and insurance details be available?
- Their public liability cover
- How long is the guarantee, and what does it include?
Your questions answered
Do you take on block-wide or estate-wide mastic work in Wishaw?
Yes, we quote for single buildings and for programmes across several blocks. We can phase the programme to suit your budgets and notice periods.
Can you quote for a block close to Wishaw station?
Yes. Managing agents, landlords, property factors and housing associations are who this service is for. Give us the building’s details and say how residents are notified, and we will quote and plan to suit.
Can you seal joints high up on a block?
Every block is different. How upper joints are reached is agreed before work is booked so there are no surprises.
Do you cover Wishaw?
Yes. We cover Wishaw, and you can give us a call on 01277 525 020 or email drawings and photos to get started.
Will you just go over the old sealant?
No. Failed sealant is removed and the faces cleaned back to sound, dry material first, because fresh silicone will not bond with aged silicone.
Do you work for managing agents and housing associations?
We do. Most of our mastic sealing is for agents, factors, housing associations and portfolio landlords, and we quote building by building or as a programme.
What if the old mastic contains asbestos?
We don’t remove asbestos-containing materials. If old sealant is suspected, work stops until it’s tested, and the duty to manage asbestos sits with the dutyholder.
Frames, entrances and external joints in Wishaw
Being in the east of Scotland, Wishaw gets less rain than the west coast. External mastic still needs a dry joint and the right temperature, and winter mornings can be frosty.
Trustees of buildings like Old Parish Church can bring frame and external mastic into a planned maintenance list. For a school such as St Aidan's High School, perimeter mastic on windows and doors is a holiday job.
Wishaw is about 6 miles east of Hamilton, in North Lanarkshire. Across the ML2 postcode area, the process is the same: details in, fixed quote out, then sealing and a 12-month guarantee. 100 places across North Lanarkshire fall within our area, including Wishaw. We also cover Glasgow, some 15 miles away.
Postcode districts covered here: ML2 and ML1. If your site is on Main Street, Market Square and Station Road or close by, we can quote for mastic joints. Access to Wishaw is via the A71 and A721, so getting applicators and materials to site is simple. Sites close to Wishaw are covered too, including Pather (1 mile south), Dimsdale (1 mile south-east), Coltness (1 mile north), Gowkthrapple (1 mile south) and Netherton (1 mile south-west). Nearby towns on our patch include Motherwell (3 miles north-west), Cumbernauld (12 miles north), Coatbridge (7 miles north-west), Airdrie (7 miles north), Bellshill (5 miles north-west) and Kilsyth (15 miles north). As one of the bigger centres in North Lanarkshire, Wishaw has a broad mix of commercial, public and industrial buildings, and we cover them all.
Landmarks near Wishaw
Locally, jobs take us to sites close to The Wishaw Malt pub and St. Aidan's Primary School and the streets around them. There’s a railway station in Wishaw itself: Wishaw station. Nearby you will also find Murdostoun Castle (2.1 miles north-east) and Brandon Shopping Centre (2.9 miles west). Open spaces near Wishaw include Allanton House lake and Baron's Haugh RSPB Reserve.
What the job involves on each surface
Window and door perimeters on blocks
Window and door perimeters are where most mastic failure shows. We remove the failed mastic, prepare the faces, add backing rod if the joint is deep and reseal.
Tenement and older buildings
Traditional buildings have joints that need a careful approach. The material either side of the joint shapes the product choice.
After the work
Every sealant joint needs some looking after, and their life depends on movement, exposure, cleaning and use. We suggest:
- Check sealant joints during planned building inspections
- List the paperwork your organisation requires when you send details
- Keep a record of when each building was resealed
- Start inspections with the most exposed faces
Where a paintable product was specified, it can be painted after curing. Non-paintable silicone shouldn’t be painted over.
Budgets are easier to plan when sealant is part of planned maintenance. A programme can start with the worst buildings so spending is spread.
Diagnose, treat, sign off
A typical day starts with protection: tape along each joint edge and covers over finishes, stock and equipment close by. The work itself normally takes a day or two for a single block, longer for an estate programme, and we clear our waste as we work. If you manage more than one building in Wishaw, they can be grouped. Share your working hours and access arrangements and we’ll fit in.
- Each block or building is walked and the failed joints recorded with the likely cause.
- You get a fixed quote, priced per building where that helps your budgeting.
- Dates, areas and access are agreed so residents or tenants can be told in advance.
- We remove the old mastic completely and clean the joint faces back.
- Deep joints get backing rod, faces are primed if the manufacturer specifies it, then the joint is sealed and tooled.
- Finished joints are looked over and the 12-month guarantee confirmed.
Preparing the site
- Send your site hours and access windows
- Agree which areas must stay open
- Tell staff and tenants when we’ll be in
Getting a fixed quote
Photos, drawings or a schedule of the joints and a fixed quote comes back to you. If the job needs a look first, we’ll arrange a site visit.