East Lothian · Scotland
Phantassie New Build Mastic
Plot mastic for developers and snagging failed sealant in new homes in Phantassie, with a one-year guarantee on every job. Ask us for a quote.
- Sealant work across a run of new homes
- Sealant applied over dusty or wet surfaces
- Cracked sealant around new window and door frames
What the job involves on each surface
Plot handovers
Good preparation at handover saves snagging later. We clean out building dust before sealing and primer used where needed.
Skirting and floors
Gaps under skirting are one of the most common new-build snags. We seal it with a flexible sealant that copes with the movement.
New build mastic in Phantassie
Some new-home owners let the house settle before resealing. That makes sense for small gaps that are just cosmetic, but a seal that’s letting water through needs doing now. Common call-outs are for sealant that never bonded to the surface and cracked sealant around new window and door frames, across plot handovers, kitchens and show homes.
Many newer homes in Scotland are timber-framed and settle as they dry out, so skirting and floor joints can open up. Older stone-built homes, meanwhile, often have timber floors that move with the seasons.
Big or small, it’s backed by our 12-month guarantee.

- Location
- Phantassie (EH40)
- Wider area
- East Lothian
- Cover
- 12 months on all our work
- Quote
- A clear price before any work starts
- info@mrmastic.co.uk
- Last updated
- 26 October 2026
The process
There is not much for you to do on the day. Show us the job and we’ll take it from there. The job generally takes a few hours for most snagging lists, longer for a run of plots. Around Phantassie, distance and access matter more than parking. Tell us how to find the property and how to reach the work, and the visit is planned around that.
- First we work through your snagging list or plot schedule with you.
- Failed or untidy sealant is cut out completely.
- We clean off dust from the build and prime the surfaces where the product needs it.
- We apply a sealant that suits each joint and tool it to a neat finish.
- We check every joint and tell you how long each needs to cure.
How to prepare
- Try not to wet indoor joints just before the visit
- Tell us about any previous sealing or DIY attempts
- Clear the area around the work
Get a quote
Every job is quoted individually. Just send an email to info@mrmastic.co.uk with the details and send pictures if you have them.
Related advice
Why it’s worth doing now in Phantassie
Resealing everything on a snagging list in one visit is generally simpler than chasing joints one at a time. It’s one visit, one quote and one set of cure times. Out of town in Scotland, exposed walls take a lot of weather, and once water gets behind a failed joint, damp in stone or harled walls is slow to dry out.
Instead of a standard rate, we look at what your job involves: the amount of work, the old material and the access. The price is agreed before we begin.
Why us?
- Over 20 years’ experience
- Homes, businesses and hotels
- An ARBOMaster approved applicator
- Every job guaranteed for a year
Take a look at how sealant jobs are priced or what customers say.
Honest limits
Honest advice matters more to us than a booking, so here’s what new sealant won’t do:
- Damaged fittings that need replacing
- Cracking that points to a structural problem
- Disputes or warranty claims with your builder
If you are not sure, just email us at info@mrmastic.co.uk and we will give you a straight answer before you book.
Joints and surfaces we work on
- Show homes
- Bathrooms & en suites
- Skirting & floors
- Kitchens
- Plot handovers
- Windows & doors
Quotes for new build mastic in Phantassie
Some jobs are bigger than they look, and some smaller. The main factors:
- Mould in or behind the old joints
- Whether the work is at height
- How many areas need sealing
- The product the joint needs
Homes and businesses are quoted the same way: how much there is to do, how we reach it and what it needs. Ask us for a quote and we will explain what it covers.
Asking for a quote
Photos help, but a description is a good start. Please mention:
- Access, such as stairs, a lift or height
- A few pictures by email, if you can
- Roughly how big the job is
- If it’s domestic, commercial or a hotel
Call for a quick quote, or send an email if you’d rather. Tell us about the joints that need doing and we will talk you through the work.
Aftercare tips
So the new joints stay in good condition:
- Raise failed sealant with the developer while you’re covered
- Wait for the cure time before using a resealed shower
- Check bath and shower seals every few months as the house settles
- Photograph failed sealant before it’s redone
Avoid standing on the rim of the bath or the edge of the tray in the first few weeks. If a bath or tray moves when you stand in it, get it looked at.
Leave a failed new-build seal and water can reach the floor and the ceiling below. Early resealing keeps the job small and the new finishes intact.
More services for Phantassie
Joints and finishes in Phantassie homes
Phantassie is close to the coast. Plot mastic on new homes near the coast takes more weather than it would inland, so any gaps are best picked up early. Timber frame is common in newer Scottish homes, and as the frame dries and settles, skirting and sealant joints can open up.
For new homes near East Linton station, it’s worth checking the sealant early, while snags are still fresh.
Phantassie is about 5 miles west of Dunbar, in East Lothian. Anywhere in EH40, we can carry out new build mastic at your property. Our East Lothian coverage runs to 48 places, Phantassie among them. For nearby work, see our Edinburgh page (22 miles or so).
Every address in EH40 is covered for new build mastic. Local streets include Stories Park and Prestonkirk Gardens, all of which we cover. We also cover East Linton (1 mile west), Preston (1 mile north), Smeaton (1 mile north), Stenton (3 miles south-east) and Garvald (4 miles south). Within a short drive, we also cover Haddington (6 miles south-west), Dunbar (5 miles east), Tranent (12 miles west), North Berwick (5 miles north-west), Prestonpans (13 miles west) and Cockenzie and Port Seton (12 miles west).
Around Phantassie
Typical jobs here are in homes near The Crown & Kitchen pub and the streets around them. The nearest railway station is East Linton station, roughly 0.5 miles west. Nearby you’ll also find Hailes Castle (1.7 miles south-west) and Belhaven Hospital (4.4 miles east). Green spaces nearby include Traprain Law.
Phantassie: your questions answered
Do you cover Phantassie for new build mastic?
Yes. We work across all of Scotland, and Phantassie is part of that. You can email us at info@mrmastic.co.uk and tell us what needs doing, and we will send you a clear quote.
Can you help a landlord with a rental near East Linton station?
Yes, landlords and agents are among the people we work for, and several properties can go on one quote. Just send an email to info@mrmastic.co.uk with the address and what needs doing, and we’ll give you a clear quote.
How long will you be here?
That depends on the amount of work, but as a guide it takes anything from a few hours to several days, depending on the number of plots. We will give you a better idea when we quote.
How long should I leave it?
It depends on the product and the conditions. We tell you how long to leave it before we go.
Are you fully insured?
Yes. Full insurance covers our work, and we can confirm the details when we quote.
Are you an approved applicator?
Yes. ARBOMaster is the approved applicator scheme for Arbo sealants, and we’re part of it.
Does someone need to be in?
That depends on where the joints are. Inside work needs someone to give us access.
Can I do it myself?
Some simple jobs can be done by a careful DIYer. Most DIY failures come from sealing over old material, wet joints or too much sealant.
Signs you need new build mastic in Phantassie
New homes are full of moisture from plaster, screed and concrete, and it dries out over the first couple of years. As it does, timber shrinks and joints open.
Any of these means the joints need attention:
- Beads laid onto grit and dust from the build
- Cracks appearing as a new home settles
- Worktop and upstand sealant coming away
- Cracked sealant around new window and door frames
In and around Phantassie, as anywhere, good new build mastic starts with a clean, dry, properly prepared joint.
Before you book anyone
- What the cure time is
- How the surfaces are prepared before sealing
- What guarantee comes with the work
- Which sealant they’ll use, and why
