Highland · Scotland
Window & door mastic in Westhill, Highland
Mastic around window and door frames, sills and patio doors for homes and businesses in Westhill and across Highland. ARBOMaster approved applicators, fully insured, with a 12-month guarantee.
- Water coming in at the bottom corners of a door
- Rushed sealant from a window installation
- Mastic that has split away from the wall
Window mastic for homes and businesses in Westhill
A window frame and the wall around it expand and shrink at different rates. Plastic and aluminium frames move with the temperature, while masonry stays fairly still. So the sealant has to stretch and recover, which is why we use a low-modulus product. We work on window sills, composite doors and timber windows & doors, and the jobs we see most are gaps between the frame and the inside reveal and damp patches on the reveal after heavy rain.
Many older Scottish homes still have timber windows set into stone walls. Those suit a traditional sand mastic or a neutral-cure sealant, not an acetoxy silicone that can attack some stone.
The work is covered for a year after we finish. If anything isn’t right with it, email us at info@mrmastic.co.uk.

- Where
- Westhill (IV2)
- Wider area
- Highland
- Guarantee
- 12 months on all our work
- Quotes
- A clear quote up front
- info@mrmastic.co.uk
- Last updated
- 26 October 2026
Common problems we fix in Westhill
Joints that are too thin or too deep fail early. A thin smear across a wide gap has nothing to it, while a joint packed solid cannot stretch. That’s what backing rod is for.
Signs it’s time to call us include:
- Untidy mastic left by window fitters
- Cracked internal joints between frame and plaster
- Rain getting in at the frame or under the sill
- Old mastic that has gone black or come away
For landlords with property near Inverness station, cracked frame mastic tends to show up as a draught or damp complaint, so it’s worth checking between lets.
Questions to ask before you book
- How much experience the applicator has
- Whether they’re fully insured
- How the colour is chosen
- What the cure time is
Also near Westhill
Other services in Westhill
FAQs for Westhill
Is window mastic in a coastal place like Westhill any different?
Coastal homes put outside sealant through more weather than inland ones, so preparation and the right sealant matter all the more. Walls facing the sea are generally the first to need attention.
Is Westhill within the area you cover?
Yes, we do. We work across all of Scotland, from towns to the smallest places. The journey is planned ahead, so it helps to know about access.
Will the old sealant be removed?
Yes, every time. New sealant will not bond properly to old, so any old material comes out before anything new goes in.
Will there be a smell?
Sometimes, a little. It fades as the sealant cures, and ventilation helps.
Are you an approved applicator?
Yes. We are an ARBOMaster approved applicator, the approved applicator scheme for Arbo sealants.
Can new window sealant be painted?
That depends on the product. Some hybrid sealants can be painted; silicone cannot. Mention any painting plans before any work starts.
Are you insured?
Yes. Mr Mastic is fully insured.
What information do you need?
A short description and the location, plus pictures if you have them. We will ask anything else we need to know.
What window mastic looks like in Westhill
Westhill is within about 2 miles of the coast, and homes near the sea take more wind-driven rain, with salt in the air closer to the shore. Both are hard on the mastic around window and door frames, which can dry out and crack sooner where a building faces the weather. Many older homes in Scotland have sash and case windows, and the joint between the box frame and the stone or render is traditionally pointed with sand mastic.
Schools such as Culloden Academy are buildings too, and larger buildings have plenty of frames, and the mastic around each one ages.
Westhill is about 1 mile south-west of Cradlehall, in Highland. Westhill gets the same service as everywhere we cover: the old material taken out, joints prepared properly and a 12-month guarantee. Westhill is one of 253 places in Highland where we work for window mastic. There’s also a page for Aberdeen, roughly 79 miles from Westhill.
Postcode districts we cover here for window mastic: IV2. Window mastic is available to properties on Culloden Road, Ardtower Road and Birchwood Road and the roads around them. Neighbouring places we cover for window mastic include Cradlehall (1 mile north-east), Culloden (2 miles north-east), Milton of Leys (2 miles south-west), Hilton (2 miles west) and Crown (2 miles west). Within a short drive, we also cover Nairn (13 miles north-east), Merkinch (3 miles west), Dingwall (14 miles north-west), Invergordon (15 miles north), Muir of Ord (12 miles west) and Fortrose (8 miles north). For island and remote addresses, a little more planning is needed.
Around Westhill
The nearest railway station is Inverness station, about 2.5 miles west. A little further out are Inverness Museum and Art Gallery (2.5 miles west) and Inverness Castle (2.5 miles west). Not far away are Tomnahurich.
What happens on the day
Every visit runs the same way: we look at the joints together, mask and protect the surrounding surfaces, carry out the job and clear up. It normally takes most of a day for a typical house, less for a few frames. Outside jobs in Westhill need a dry day, because sealant will not bond to a wet joint, so an outdoor job can move if the forecast changes. Work indoors is not affected.
- We check how each frame can be reached safely.
- Old, cracked mastic is removed completely, along with any loose debris.
- Frame and wall are cleaned and must be dry before sealing.
- Deep voids are backed, then the sealant is gunned in.
- The joint is shaped to shed water and the area tidied.
Before we arrive
- Try not to wet indoor joints just before the visit
- Tell us about any water getting in
- For business premises, tell us about site rules or sign-in
Get a quote
Quotes start with a quick conversation. Describe the problem, the location and the size of the job, and we’ll talk you through what we’d do. Whenever you are ready, drop us a line at info@mrmastic.co.uk.
Related advice
Why it’s worth doing now in Westhill
Running fresh sealant over the old joint is tempting, but it won’t grip old, dirty sealant. It peels before long, and water still gets in behind. The old mastic has to come out. Around Westhill, water from a failed joint in an older stone home can soak into timber and plaster, which is a far bigger job than the sealant.
What you pay reflects the work, not guesswork. That is why we ask a few questions first.
Why Westhill clients choose us
- Neat joints and a tidy finish
- Old sealant always removed completely
- Arbo and Everbuild products
- 180+ five-star Google reviews
See what affects the cost and customer reviews.
How we quote for window mastic
Call for a quick quote. The main things that affect it are:
- Access and height
- The product the joint needs
- Working hours on commercial sites
- How much there is to do
Rather than a set price list, we price the job in front of us: how many joints, what’s in them now and how we reach them. You will know the price before we begin.
What we need to know
Photos by email are helpful but not essential. Try to tell us:
- What the problem is, such as mould, gaps, leaks or cracking
- Any previous sealing or DIY work
- Pictures of the joints, sent by email
- The rough size of the job
If you’re in Westhill and need window mastic, drop us a line at info@mrmastic.co.uk. A short description of the job and where it is helps us quote, and we will agree the price before any work begins.
Landlords, agents and businesses in Westhill
Whether it’s one flat or a portfolio, you get the same standard of work: the old material taken out, careful preparation and a 12-month guarantee.
We also work for businesses, from offices to washrooms and kitchens. On commercial sites, working times can be discussed when we quote.
Keeping the joints in good condition
After the cure time, these simple habits help:
- Wash the frames with mild soapy water
- Make sure the drainage slots are not blocked
- Keep solvents and bleach off the sealant
- Paint up to the joint, not over it
Clean the frames with mild soapy water, and keep solvents and harsh chemicals off the joint.
Water trapped behind a failed joint can start rot in timber frames and sills. Once wood has rotted, it needs repair before it can be sealed, so early resealing is worth it.
What the job involves on each surface
uPVC windows
We clean the frame edge carefully so the plastic isn’t marked, then the new bead is laid against the frame and the wall.
Aluminium frames
Bi-fold and sliding aluminium doors have long frame joints, and the threshold joint takes a lot of water. We prepare and reseal every joint, backing the deep ones.
