Glasgow · Scotland
Remedial sealant & repairs in Gilshochill, Glasgow
Failed sealant joints in Gilshochill need attention? We cut out the old, prepare the joints and apply the right sealant, with a 12-month guarantee.
- Sealant applied over old sealant that has lifted
- Mould trapped under a layer of silicone
- Thick, messy sealant smeared over tiles
Remedial sealant for homes and businesses in Gilshochill
A joint that keeps letting you down needs more than another bead. It helps to have photos when you drop us a line at info@mrmastic.co.uk, and say how long ago it was last done. Common call-outs are for a second bead peeling off the first and mould trapped under a layer of silicone, on shrunken worktop sealant, mouldy bath & shower sealant and expansion joints.
Scotland’s cities have a lot of flats, from sandstone or granite tenements to modern blocks, as well as houses in the suburbs. Generally soft Scottish water means less limescale, but steam and poor ventilation still let mould into the sealant and grout.
Big or small, you get the same one-year guarantee.

- Place
- Gilshochill (G20, G23, G22)
- Region
- Glasgow
- Cover
- One year on every job
- Quotes
- A clear quote up front
- info@mrmastic.co.uk
- Updated
- 26 October 2026
What happens on the day
Most of a good job is in the preparation, and we do not rush it. Every joint is cleaned and dried before new material goes in. In total, it usually takes a few hours for most joints, depending on how much old sealant has to come out. In a city area like Gilshochill, parking may be by permit or pay-and-display, so tell us what’s nearby. For flats, mention the door entry system and any shared-stair arrangements.
- First we work out whether the problem is the sealant, movement or a leak.
- Each layer is cut out and the residue cleaned off.
- We treat any mould and dry the joint thoroughly.
- We reseal with a product suited to the joint, backed where needed.
- We finish neatly and point out anything that needs another trade.
Getting ready for the visit
- Let us know about stairs, lifts or work at height
- Plan for the work area to be out of bounds to pets and children
- Let us know about parking restrictions
Getting a quote
Want a quote for remedial sealant? Please send an email to info@mrmastic.co.uk with a few details. You’ll know what we plan to do, and what it will cost, before any work begins.
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Aftercare tips
A little care helps the new joints last. Our advice:
- Do not add new sealant on top of old
- Check ceilings under showers for marks
- Never fill a movement joint with mortar or grout
- Run the fan after every shower
Do not let anyone seal over it later. Over-sealing is how many remedial jobs start.
Signs to act on: peeling layers, mould showing through the bead, leaks after showering or cracks in a movement joint. Each one is worth getting looked at.
More services for Gilshochill
Can I do it myself?
Overfilling a joint is a classic DIY mistake. A thick, smeared bead looks untidy and does not move well, and the joint depth matters as much as the finish.
If you’re set on DIY, put the effort into preparation: remove every trace of old sealant, clean and dry the joint, and follow the product’s cure time. If it does not work out, we can still put it right.
Quotes for remedial sealant in Gilshochill
The price is agreed before any work begins. It’s based on:
- The number of rooms or windows
- The product the joint needs
- Access and height
- The old material and how stubborn it is
Rather than a set price list, we price the job in front of us: the amount of work, the old material and the access. You will know the price before we begin.
What we need to know
What to tell us when you ask for a quote:
- If someone has resealed it before
- What’s wrong with the joints now
- The address or postcode of the job
- Access, such as stairs, a lift or height
Every job is quoted individually. Just drop us a line at info@mrmastic.co.uk with the details.
Work for landlords, hotels and businesses
In hotels, rooms out of use cost money, so we plan the work room by room. Hotel work is part of what we do, alongside homes and businesses.
Whether it’s one flat or a portfolio, the work is the same standard: the old material taken out, careful preparation and a 12-month guarantee.
Common questions in Gilshochill
Do you work for hotels and guest houses in Gilshochill?
Yes. Hotel and guest-house work is part of what we do. Jobs can be programmed room by room, with out-of-hours working possible to arrange.
Can a failed shower seal in a tenement flat in Gilshochill leak into the flat below?
It can. Tenement floors are generally timber, and water from a failed seal can find its way down to the flat below, and then the repair involves your neighbours too. Replacing tired sealant early is the simplest way to avoid that.
Someone resealed my shower and it’s leaking again. Can you help?
Yes, normally. First we check whether the leak is the sealant at all, then the joints are stripped and resealed.
What do you need from me for a quote?
The location, the problem and the rough size of the job. Photos by email help too.
Can you quote for more than one area?
Yes. Several rooms, windows or areas can go on one quote.
Do you take out the old sealant first?
Yes. Sealing over the old bead is the commonest cause of early failure, so we never do it.
Can failed expansion joints be resealed?
Yes. Backing sets the depth and stops the sealant sticking to the back.
Do you hold any approvals?
Yes. We’re an ARBOMaster approved applicator, the approved applicator scheme for Arbo sealants.
What the job involves on each surface
Over-sealed & botched joints
A thick bead smeared across tiles often hides mould or gaps. Taking it back shows what’s underneath, and then we reseal it neatly.
Windows & doors
Smeared or badly matched mastic can be cut out and redone neatly, in a colour that suits the frame.
What remedial sealant looks like in Gilshochill
Glasgow has a lot of sandstone tenements, where most bathrooms sit above another flat. In Scotland, private landlords have to meet the Repairing Standard, which includes keeping fixtures and fittings in reasonable repair. Tired, leaking sealant is worth putting right before a new tenant moves in.
For site and facilities teams at buildings such as John Paul Academy, its toilets, changing areas and kitchens need their sealant renewed like any other building’s. For landlords with property near Gilshochill station, a joint that keeps failing is best fixed properly while the property is empty.
Gilshochill is about 3 miles south-east of Bearsden, in Glasgow. Homes, rented property, offices and hotels in Gilshochill can book us for remedial sealant, old or new, large or small. The work is guaranteed for a year. Gilshochill is one of 183 towns and villages in Glasgow we cover for remedial sealant.
Postcode districts we cover here for remedial sealant: G20, G23 and G22. Streets in the area include Cadder Road, Tresta Road and Maryhill Road, all of which we cover. If you are just outside Gilshochill, we cover Cadder (1 mile north-east), High Ruchill (1 mile south), Maryhill (1 mile west), Botany (1 mile south-west) and Lambhill (1 mile east). We also work in nearby towns such as Glasgow (3 miles south), Calton (3 miles south-east), Langside (5 miles south), Yoker (4 miles west), Mount Florida (5 miles south) and Hillpark (6 miles south).
Near you in Gilshochill
Around Gilshochill, our work takes us to homes and buildings near College of Piping, The Crosslands pub and Glasgow University Library and the streets around them. Gilshochill has its own railway station: Gilshochill station. Nearby you will also find Chinatown (2 miles south) and Glasgow Museum of Transport (2 miles south). For a walk, there’s Lenzie Moss and Bardowie Loch.
When it is not the sealant
It helps to know what we cannot do:
- Failed tanking or loose tiles behind the sealant
- Cracks in the fitting rather than the joint
- Movement from fittings that aren’t supported
If you are not sure, just send an email to info@mrmastic.co.uk and we will give you a straight answer.
Surfaces we seal
- Shrunken worktop sealant
- Expansion joints
- Leaking tray & enclosure joints
- Failed movement joints
- Mouldy bath & shower sealant
- Botched or over-sealed joints
