West Lothian · Scotland
Window & door mastic in Westfield, West Lothian
Professional window mastic in and around Westfield, with every bit of old sealant taken out first and a one-year guarantee.
- Mastic that has split away from the wall
- Cracked internal joints between frame and plaster
- Rain getting in at the frame or under the sill
How we handle window mastic in Westfield
A cold draught around a closed window often comes from the frame edge. A new joint stops the air getting through. If the draught is through the window seals instead, we will tell you. We work on window sills, uPVC windows and aluminium frames, and people most often call us about mastic that’s falling out in pieces and gaps left after new windows were fitted.
Outdoor sealant needs a dry surface, so window work around Westfield is planned around the weather, and longer journeys are planned in advance. Tell us about access to all the windows and doors, upstairs included.
Big or small, you get the same one-year guarantee in Westfield and across West Lothian.

- Place
- Westfield (EH48)
- Wider area
- West Lothian
- Cover
- One year on every job
- Price
- A clear quote up front
- info@mrmastic.co.uk
- Page updated
- 26 October 2026
Looking after it afterwards
So the new joints stay in good condition:
- Don’t aim a pressure washer at the joints
- Use gentle cleaners on frames and sealant
- Check the mastic once a year
- Paint up to the joint, not over it
Keep sill grooves and drainage slots clear, so rain drains out rather than building up at the sealant.
Water gets in quietly when mastic fails. Often the first sign is a damp patch inside or flaking paint on the reveal. Early resealing stops it reaching that point.
Your questions about window mastic in Westfield
Is Westfield in your area for window mastic?
Yes, Westfield is within the area we cover. We work across all of Scotland. You can drop us a line at info@mrmastic.co.uk and tell us what needs doing, and we’ll send you a clear quote.
Will you come out to Westfield?
Yes. Westfield is within the area we cover, which takes in towns, villages and rural addresses. Our work covers the whole of Scotland. Let us know about access, parking and anything unusual about getting there when you book.
Do you do commercial work?
Yes. We work in offices, washrooms, hotels and other commercial premises, as well as homes. We can talk about working times when we quote.
What sealant do you use?
We choose the sealant for the joint, not the other way round. Movement, water and weather all affect the choice, and we’ll explain our choice.
Is it worth trying it myself?
You can, for simple jobs. Preparation is everything: all the old sealant out, and a clean, dry joint. We can always put it right if it fails.
How do I get a quote for window mastic in Westfield?
There’s no set price, as it depends on the job: its size, the old material, access and the product needed. We agree the price before any work begins.
Do I need to be at home?
If the work is inside, we need someone to let us in. After that, you can carry on with your day.
Will new mastic stop draughts?
It will if the frame joint is the problem. We check where the draught is before we start.
Frames and glazing around Westfield
Sash and case windows are common in older Scottish homes, and the joint between the box frame and the stone or render is traditionally pointed with sand mastic. Under the Repairing Standard, private landlords in Scotland have to keep homes wind and watertight, and failed outside joints work against that.
Letting a property close to Armadale station? Then sound mastic around windows and doors keeps out the draughts and damp that tenants notice first.
Westfield is about 3 miles north-west of Bathgate, in West Lothian. Across the EH48 area, we can carry out window mastic at your property. Westfield is one of 58 towns and villages in West Lothian where we work. There’s also a page for Edinburgh, about 19 miles away.
We cover every part of the EH48 postcode area for window mastic. We cover properties on Kaemuir Court, Millburn Road and Strathlogie and the roads around them. We also cover the places around Westfield: Avonbridge (2 miles west), Standburn (2 miles north), Maddiston (3 miles north), Rumford (3 miles north) and California (3 miles north-west). We also work in nearby towns such as Livingston (7 miles east), Bathgate (3 miles south-east), Linlithgow (5 miles north-east), Whitburn (5 miles south), East Calder (10 miles east) and Broxburn (9 miles east).
Local landmarks in Westfield
The nearest railway station is Armadale station, about 3.1 miles south. Other landmarks nearby include Tippethill House Hospital (3.8 miles south) and Carribber Castle (2.5 miles north-east). Not far away are Callendar Lake and Cockleroy.
The process
All our tools and materials come with us in the van, so you do not need to buy or prepare anything. After a quick look at the joints together, we protect the area and start. It normally takes a few hours for a handful of frames, longer for a whole house. Outside jobs in Westfield need a dry day, because sealant won’t bond to a wet joint, so an outdoor job can move if the forecast changes. Indoor work goes ahead whatever the weather.
- We check each frame and agree which ones need doing.
- The old mastic is cut out and the surfaces cleaned back.
- We fit backing rod in deep gaps so the sealant is the right depth.
- New exterior sealant goes on in a matching colour and is tooled smooth.
- Finally we tidy up and check each joint.
Getting ready for the visit
- Try not to wet indoor joints just before the visit
- Mention if the joints have been sealed before
- Let us know about stairs, lifts or work at height
Get a quote
Call for a quick quote, or send an email if you’d rather. Tell us about the joints that need doing and we’ll talk you through the work.
Advice
Signs you need window mastic in Westfield
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 can’t stretch. Backing rod sets the right depth.
Most people get in touch when they notice one of these:
- Black, perished sealant on frames
- White mastic on grey or black frames
- Gaps where the sill meets the wall
- Gaps between the frame and the inside reveal
In and around Westfield, as anywhere, good window mastic starts with a clean, dry, properly prepared joint.
What to look for in a quote
- Are they insured?
- Whether VAT is included
- Whether the sealant suits the joint
- Whether you can choose the colour
Why deal with it now?
Getting a straight, even bead on an outside frame takes practice, especially upstairs. We cut out properly, back deep gaps and tool every joint neatly, in a sealant suited to the wall. When the nearest tradesperson is a drive away, it’s tempting to leave a small leak, but water behind a failed seal does the most damage when nobody’s watching.
Doing several joints on one visit generally makes better use of the time than several visits, so it’s worth mentioning everything you’d like done. You’ll get one clear quote for the whole job.
Why book with us
- One-year guarantee on every job
- 4.9 on Google from 180+ five-star reviews
- Old sealant always removed completely
- Sanitary silicone with an anti-fungal additive in wet areas
See what affects the cost and what customers say.
How the job changes by surface
Patio & French doors
Patio and French doors have the longest joints on most houses. The threshold and the bottom corners take the most water, so they get particular care.
Timber windows & doors
Soft or rotten wood cannot be sealed successfully. We will point out any rot we find, as that is a job for a joiner.
Towns and villages near Westfield
Other services in Westfield
DIY sealant or a professional job?
A DIY attempt does not rule out a professional job. We remove it and do the joint properly, so tell us about it when you ask for a quote.
The biggest DIY mistake is sealing over old sealant. New silicone will not bond to old, so it peels away and traps moisture behind it. All the old material has to come out first.
What affects the quote in Westfield
You will get a clear quote before any work starts. It takes into account:
- The number of rooms or windows
- Access and height
- Any working-time requirements on site
- Whether there’s mould to deal with
There are no prices on our website, because each job is priced on what it involves. Call for a quick quote and we’ll talk you through it.
What we need to know
What to tell us when you ask for a quote:
- The rough size of the job
- Any access issues, like height or stairs
- Whether it has been sealed before
- Pictures of the joints, sent by email
There’s no standard price list, as no two jobs are quite the same. Instead, your job gets its own clear quote. To arrange one, email us at info@mrmastic.co.uk.
