Scottish Borders · Scotland
Gattonside New Build Mastic
New build mastic for Gattonside and the surrounding area: the right sealant, proper preparation and a neat finish. Ask us for a quick quote.
- Shower seals failing in the first year or two
- Messy sealant that spoils new finishes
- Worktop and upstand sealant coming away
About our new build mastic in Gattonside
Dust is the enemy of new-build sealant. Each joint is cleaned of dust and primed where the product calls for it, so the new bead bonds properly. If you have second-fix sealing on new plots and kitchen sealant that has pulled off the wall, we can help, whatever the surface.
Timber frame is common in newer Scottish homes, and it settles over the first years, so skirting and floor joints can open up. In older homes, timber floors move through the year too.
All our work comes with our one-year guarantee, wherever you are in the Scottish Borders.
- Location
- Gattonside (TD6)
- Region
- Scottish Borders
- Guarantee
- One year on every job
- Price
- Quoted before any work starts
- info@mrmastic.co.uk
- Page updated
- 26 October 2026
Surface by surface
Skirting and floors
New homes often develop a gap between skirting and floor. We seal it with a flexible sealant that copes with the movement.
Windows and doors
External mastic around new windows and doors is sometimes rushed or missed. We reseal it with a weatherproof, flexible sealant.
Can I do it myself?
A careful DIYer can reseal a simple joint, like a short, easy-to-reach joint indoors. Where it goes wrong is sealing over the old bead, working on a wet joint or overloading the gap.
The difference is mostly in the preparation and the product. Joints are cleaned back to sound surfaces and dried, and the sealant is matched to the joint and its conditions.
Signs you need new build mastic in Gattonside
On many sites, sealant goes on in the final rush before handover. Dusty, unprimed joints are common, and the sealant sits on grit instead of the surface.
Most people get in touch after spotting something like this:
- Shower seals failing in the first year or two
- Frame joints opening as the plaster dries
- Joints pulling apart as timber shrinks
- Messy sealant that spoils new finishes
For new homes near Tweedbank station, it’s worth checking the sealant early, while snags are still fresh.
What to look for in a quote
- Is the old sealant removed completely?
- Whether you can choose the colour
- Whether they’re fully insured
- Whether the sealant suits the joint
Gattonside questions
Can you help a landlord with a rental near Tweedbank station?
Yes, landlords and agents are among the people we work for, and several properties can be quoted together. Just email us at info@mrmastic.co.uk with the address and what needs doing, and we’ll send you a clear quote.
Is Gattonside in your area for new build mastic?
Yes. We work across all of Scotland, and Gattonside is part of that. You can drop us a line at info@mrmastic.co.uk and let us know what needs doing, and we’ll give you a clear price.
Can new sealant go on top of the old bead?
No. Sealing over old sealant looks fine for a few weeks, then lifts. All the old sealant comes out before we start.
Will you leave a mess?
Not at all. The area is protected while we work and cleaned up afterwards.
How long will you be here?
A typical job takes anything from a few hours to several days, depending on the number of plots, including the preparation. We will confirm how long when we quote.
Is the work guaranteed?
Yes, for a year. If there’s a problem with our work in that time, tell us and we will put it right.
Can you do plot mastic on a new development?
Yes. We carry out plot mastic and second-fix sealing for builders and developers. Send the schedule and any specification and we will give you a quote.
How long should I leave it?
Different products cure at different speeds, so follow the cure time we give you.
New build mastic in Gattonside: local notes
Timber frame is common in newer Scottish homes, so skirting and sealant joints can open up as the building settles.
In and around Gattonside, as anywhere, good new build mastic starts with a clean, dry, properly prepared joint.
Gattonside is about 3 miles east of Galashiels, in the Scottish Borders. Jobs in Gattonside get the same care as everywhere else we work: old sealant removed completely, careful preparation and a one-year guarantee. Gattonside is one of 89 towns and villages in the Scottish Borders where we work for new build mastic. You can also see our page for Edinburgh, about 30 miles away.
Jobs for new build mastic in TD6 works the same way as everywhere else we cover. Whether your property is on The Loan, Priors Road and Monkswood or a nearby road, we can help. We also cover Melrose (1 mile south), Darnick (1 mile south-west), Newstead (1 mile south-east), Tweedbank (2 miles west) and Langlee (2 miles west). We also work in nearby towns such as Galashiels (3 miles west), Hawick (13 miles south), Kelso (11 miles east), Selkirk (6 miles south-west), Jedburgh (11 miles south-east) and Wilton (13 miles south).
Local landmarks in Gattonside
Gattonside’s nearest station is Tweedbank station, about 1.3 miles west. A little further out are Melrose Motor Museum (0.5 miles south-east) and Castle Holydean (3 miles south). Not far away are Eildon Hill North and Bemersyde Moss.
What happens if it’s left?
A tube of sealant from the DIY shop will not fix the cause: dust, no primer and old sealant left in the joint. Proper removal and preparation are what make it last. 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.
The cost depends on the size of the job, how hard the old material is to remove and how easy the joints are to reach. We give a clear quote before any work starts, so you know where you stand.
What you get with us
- Neat joints and a tidy finish
- We never seal over old sealant
- A 12-month guarantee on all work
- Full insurance on every job
See our cost guide or what customers say.
What affects the cost of new build mastic
Call for a quick quote. What matters most is:
- Which sealant suits the joint
- The number and length of the joints
- Mould in or behind the old joints
- Whether the work is at height
A failed joint rarely gets cheaper to fix by waiting, as water and mould keep getting in. If you’re unsure, drop us a line at info@mrmastic.co.uk and we’ll give you an honest view and a quote.
Helping us quote
Photos by email are helpful but not essential. Try to tell us:
- The address or postcode of the job
- Pictures of the joints, sent by email
- What’s wrong with the joints now
- Any access issues, like height or stairs
We do not publish a price list. Instead, your job gets its own clear quote. To arrange one, send an email to info@mrmastic.co.uk.
Also near Gattonside
What else we do in Gattonside
Looking after it afterwards
How long the joints last depends on use and care. Here’s what we suggest:
- Look at the sealant regularly in the first couple of years
- Use the extractor fan every time you shower
- Resist patching a failed seal with a tube from the DIY shop
- Don’t wait for the house to settle if water is getting through
Wipe the sealant with warm soapy water. Keep scourers and harsh chemicals off it, which can damage the surface.
A failed seal in a new home lets water into joists, plasterboard and ceilings. Catching it early keeps the fix to the sealant and protects the rest of the house.
What happens on the day
Good joint work is mostly preparation, and we don’t rush it. Every joint is cleaned and dried before new material goes in. All told, the work takes a few hours in a single home. Outside jobs in Gattonside need a dry day, because sealant won’t bond to a wet joint, so external jobs may need to move if the day turns wet. Indoor work goes ahead whatever the weather.
- Each joint is checked for movement before we start.
- Old sealant is cut out and the joints cleaned.
- Joints are dried and primed where the product calls for it.
- New sealant goes in, with baths filled first so they’re at their heaviest.
- We check every joint and leave you with the cure times.
Before we arrive
- Keep pets and children clear of the area while we work
- Mention any leaks or damp you’ve noticed
- Move anything stored near the joints
Getting a quote
For a quote, drop us a line at info@mrmastic.co.uk with the location and a short description of the problem. You will have a clear quote before any work starts.