Midlothian · Scotland
Glazing & conservatory sealant in Penicuik, Midlothian
Glazing silicone for Penicuik, by sealant specialists with 20+ years’ experience. Rated 4.9 on Google from 180+ five-star reviews.
- Mouldy sealant around glass panels
- Water tracking down the inner face of the glass
- Leaks where conservatory glass meets the frame
What sealant work cannot fix
Honest advice matters more to us than a booking, so here’s what sealant can’t fix:
- Cracked or broken glass
- A sealed unit that has misted inside
- A roof that has moved or dropped
If in doubt, send an email to info@mrmastic.co.uk and we’ll say what we think.
Where we work in Penicuik
- Conservatory frames
- Glass balustrade bases
- Shower screens
- Glass-to-frame joints
- Glass-to-glass joints
- Rooflights
How we handle glazing silicone in Penicuik
Across Penicuik, we reseal glazing joints in homes, offices and hotels. From conservatories to shower screens, it’s the same careful method, with a sealant chosen for the joint. If you have failed sealant around rooflight glass and leaks from the base of a shower screen, we can help, whatever the surface.
Scottish towns like Penicuik tend to mix older stone-built streets, harled houses and newer estates, and windows range from older sash and case to modern uPVC. Each needs the right sealant against the right wall.
All of our work is guaranteed for twelve months, in Penicuik and everywhere else we cover.

- Where
- Penicuik (EH26)
- Region
- Midlothian
- Cover
- 12 months on all our work
- Price
- A clear quote up front
- info@mrmastic.co.uk
- Last updated
- 26 October 2026
Places near Penicuik
What else we do in Penicuik
Landlord and commercial work in Penicuik
We work for landlords and agents as well as homeowners. Resealing between tenancies keeps a property looking cared for before the next move-in.
Mouldy or split sealant often shows up at the end of a tenancy, and it’s easy to sort out between tenants. Several properties can be quoted together.
How the visit works
On the day, there’s very little for you to do. Point us to the joints and we will get on with it. The job generally takes anything from an hour or two to most of a day, depending on the size of the job. A visit in Penicuik needs three things planned: access, parking and where the work is. Outdoor jobs need a dry day, so they can move if the weather turns.
- We trace the leak and confirm it’s a sealant joint.
- The failed silicone is cut out without marking the glass or frame.
- We clean the glass and frame so the new silicone bonds.
- A neutral-cure glazing silicone is applied and tooled.
- We check the finished joints and test with water where it’s safe.
Getting ready for the visit
- Move anything stored near the joints
- Let us know about stairs, lifts or work at height
- Let us know about parking restrictions
Get a quote
Every job is quoted individually, so the first step is telling us about yours. Simply send an email to info@mrmastic.co.uk and describe the job and send photos if you have them.
Advice
How to look after the new joints
Once the sealant has cured, a few habits help it last:
- Wipe the screen down after showering
- Stick to mild cleaners on glass
- Check the gutters above the glazing for debris
- Act on drips or damp patches early
Don’t use blades or scrapers near the bead when cleaning the glass. A soft cloth or sponge is best.
Shower screen leaks can go unnoticed. Water can soak into the floor or reach the room below long before you see it.
FAQs for Penicuik
What guarantee comes with glazing silicone in Penicuik?
Every job comes with our 12-month guarantee, wherever it is. We’re fully insured, and an ARBOMaster approved applicator.
Is Penicuik in your area for glazing silicone?
Yes. Our work covers the whole of Scotland, and Penicuik is part of that. Just drop us a line at info@mrmastic.co.uk with a few details of the job, and we’ll give you a clear quote.
When is the sealant fully cured?
Cure times vary by product. We tell you how long to leave it before we go.
Which silicone is used for glass joints?
A glazing-grade silicone is best. Ours is a neutral-cure glazing silicone and anti-fungal silicone in wet areas.
What do you need from me for a quote?
The location, the problem and the rough size of the job. If you can, email a few photos.
Can I choose the sealant colour?
In most cases you can choose. We’ll tell you which colours the right product comes in.
Will resealing stop my conservatory leaking?
Yes, when the leak is a failed sealant joint. If it’s a broken panel, failed unit or roof problem, we will tell you.
How do I get a quote for glazing silicone in Penicuik?
Every job is different, so each one gets its own quote. For a quick quote, send an email to info@mrmastic.co.uk with a short description of the job.
Common problems we fix in Penicuik
Using a sealant not made for glass causes many failures. Not every silicone sticks properly to glass, and acetoxy types can attack some frame materials.
The most common problems we see are:
- Glazing silicone that has cracked or come away
- Cracked silicone between glass panels
- Conservatory leaks at frame and glazing joints
- Drips on the inside of a conservatory window
In and around Penicuik, as anywhere, good glazing silicone starts with a clean, dry, properly prepared joint.
Questions to ask before booking
- How long the guarantee is
- Who turns up on the day
- Whether VAT is included
- Whether the sealant suits the joint
Why act early in Penicuik
Glazing joints need a sealant made for the job. General-purpose sealant from a DIY shop may not suit glass or the frame, so we use neutral-cure glazing silicone. If you live in a flat in Penicuik, failed sealant can send water to the neighbours below, which turns a small job into a bigger one.
Instead of a standard rate, 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.
Why book with us
- 180+ five-star Google reviews
- Any old sealant cut out fully, not covered over
- Homes, businesses and hotels
- Anti-fungal sanitary silicone in wet areas
Read how sealant jobs are priced and our reviews.
How the job changes by surface
Rooflights
A rooflight faces rain and sun from above. The sealant around the glass and frame wears faster than most.
Glass-to-glass joints
Frameless glass corners and panels are joined with silicone. We reseal with a suitable glazing silicone.
What glazing silicone looks like in Penicuik
Many older homes in Scotland have sash and case windows, often pointed into the wall with traditional sand mastic. Private landlords in Scotland must meet the Repairing Standard, which includes keeping a home wind and watertight, and sound outside sealant is part of that.
Schools such as Beeslack Community High School are buildings too, and its window and door frames need their mastic kept sound, just like a home’s.
Penicuik is about 8 miles south of Edinburgh, in Midlothian. Wherever you are in the EH26 postcode area, our applicators can take on glazing silicone. Our Midlothian coverage runs to 33 places, and Penicuik is one of them. Our Edinburgh page covers work nearby (8 miles or so).
Postcode districts we cover here for glazing silicone: EH26. Local streets include Windsor Square, High Street and The Square. You will find Penicuik on the A701 and A702, so it’s easy for us to get to with everything needed for glazing silicone. Other places close to Penicuik include Milton Bridge (1 mile north-east), Howgate (2 miles south-east), Silverburn (2 miles west), Swanston (4 miles north) and Bonaly (5 miles north). Within a short drive, we also 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 larger places we cover in Midlothian.
What’s near Penicuik
In Penicuik, that means homes and buildings near Craigiebield House Hotel, among other places. Well-known places in the area include 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.
