Edinburgh · Scotland
Blackhall New Build Mastic
Plot mastic for developers and snagging failed sealant in new homes for homes and businesses in Blackhall and across Edinburgh. ARBOMaster approved applicators, fully insured, with a 12-month guarantee.
- Gaps behind new kitchen upstands
- Frame joints opening as the plaster dries
- Skirting joints opening in the first winter
What the job involves on each surface
Skirting and floors
As timber and screed dry, skirting and floors shift. Caulk cracks; a flexible sealant moves with it painted or coloured to suit.
Bathrooms and en suites
En suite seals are easy to miss on a snagging list until they leak. Resealing properly keeps water where it belongs.
About our new build mastic in Blackhall
A new house keeps drying out and settling for its first couple of years. Timber shrinks, plaster dries and baths and trays bed down, and sealant applied in a hurry at handover can split. We work on show homes, kitchens and plot handovers, and the jobs we see most are frame joints opening as the plaster dries and cracks appearing as a new home settles.
In a Scottish city, commercial floors have movement joints and thresholds that wear under traffic. In Blackhall, we cover those floor joints as well as plot mastic for developers.
Every job comes with our 12-month guarantee.
- Location
- Blackhall (EH4, EH12)
- Wider area
- Edinburgh
- Guarantee
- A year, on every job
- Quote
- A clear quote up front
- info@mrmastic.co.uk
- Updated
- 26 October 2026
What we cannot put right
To be straight with you, some problems need a different trade:
- Deciding who is responsible under a builder’s warranty
- A tray or bath that isn’t properly supported, until it’s fixed
- Settlement cracks that need a surveyor
If in doubt, send an email to info@mrmastic.co.uk and we’ll say what we think.
What we seal
- Kitchens
- Plot handovers
- Windows & doors
- Bathrooms & en suites
- Show homes
- Skirting & floors
How the visit works
When we get to you, we check the joints match what you told us. If we find something unexpected, we talk it through with you first. After that, the work takes anything from a few hours to several days, depending on the number of plots. In a Scottish city, a lot of jobs are in tenement flats, up a common stair from a shared close. In Blackhall, it helps to know the floor, the door entry arrangements and the nearest parking.
- Each joint is checked for movement before we start.
- Old sealant is cut out and the joints cleaned.
- We make sure the joints are dry and prime them if needed.
- Baths are filled with water, then the new sealant is applied.
- The finished joints are checked and the cure times given.
Getting ready for the visit
- Keep pets and children clear of the area while we work
- Mention any sign-in or site rules at work premises
- Clear items away from the joints we are working on
Getting a quote
For a quote, drop us a line at info@mrmastic.co.uk and tell us where the job is and what the problem looks like. You’ll have a clear quote before any work starts.
Read more
Aftercare tips
So the new joints stay in good condition:
- Report sealant problems to your builder during the snagging period
- Avoid running a DIY bead over the old one
- Check bath and shower seals every few months as the house settles
- Wait for the cure time before using a resealed shower
Leave the sealant for the cure time we give you before showering or bathing. Silicone is normally left for about a day before water reaches them.
Leave a failed new-build seal and water can reach the floor and the ceiling below. Catching it early keeps the fix to the sealant and the new finishes intact.
Places near Blackhall
Also in Blackhall
Why it’s worth doing now in Blackhall
Water getting past a failed seal in a new build reaches walls and floors that are still settling. Resealing promptly protects the new finishes around it. Private landlords in Blackhall must meet the Repairing Standard, and damp or leaks can fall short of it, so it’s worth fixing failed sealant before a tenant reports it.
No two jobs are quite the same, so each one gets its own quote. Size, access and the product the joint needs all play a part, and we will explain the quote if you ask.
Why Blackhall customers choose us
- A choice of colours where the product allows
- Quality sealants from Arbo and Everbuild
- Colour picked to suit the job
- Homes, businesses and hotels
Read our cost guide or what customers say.
New build mastic in Blackhall: local notes
Blackhall is within about 2 miles of the coast. New homes near the sea put their outside mastic to work from day one, so it’s worth checking at snagging. Many new homes in Scotland are timber-framed, and as the frame dries and settles, skirting and sealant joints can open up.
Around Blackhall, as everywhere, new build mastic is only as good as the preparation behind it. For new homes near Haymarket station, it’s worth checking the sealant early, while snags are still fresh.
Blackhall is about 2 miles north-west of Edinburgh, in Edinburgh. From the centre of Blackhall to the outskirts, new build mastic is available for homes and businesses alike, from flats and houses to offices and hotels. Our Edinburgh coverage runs to 175 places, and Blackhall is one of them.
We work across the EH4 and EH12 postcode area for new build mastic. New build mastic is available to properties on Loch Road, March Road and Columba Road. Blackhall is on the A90 and A902, so it’s easy for us to get to with everything needed for new build mastic. Close by, we work in Drylaw (1 mile north-east), Ravelston (1 mile south-east), Craigcrook (1 mile west), Murrayfield (1 mile south) and Muirhouse (1 mile north). Within a short drive, we also cover Leith (4 miles north-east), Bonnington (3 miles east), Greenside (3 miles east), Broughton (3 miles east), Buccleuch (3 miles east) and Gayfield (3 miles east).
Around Blackhall
Typical jobs here are in homes near Saughton Park, St George's School and Gabrielle Keiller Library and the streets around them. Blackhall’s nearest station is Haymarket station, about 1.6 miles south-east of the centre. Well-known places in the area include Craigcrook Castle (0.6 miles south-west) and Murrayfield Experience (1.3 miles south). Green spaces nearby include Dunsapie Loch and Corstorphine Hill.
Landlords, agents and businesses in Blackhall
Letting agents and landlords in Blackhall can book us as well as householders. Sealant work between tenants keeps a property looking cared for.
Letting agents often deal with us directly. Send the address, what’s needed and the access arrangements and we’ll quote.
DIY versus a professional finish
Too much sealant is as bad as too little. A thick, smeared bead looks untidy and does not move well, and the joint depth matters as much as the finish.
A DIY attempt does not rule out a professional job. We remove it and do the joint properly.
Blackhall questions
Can you help a landlord with a rental near Haymarket station?
Yes, rental work is part of what we do. You can send an email to info@mrmastic.co.uk with the address and a few details, and we’ll give you a fixed price before work begins.
Is new build mastic in Blackhall guaranteed?
All our work, in Blackhall and everywhere else, comes with a 12-month guarantee. We are fully insured, and an ARBOMaster approved applicator.
Is there any odour?
Some sealants have a smell while they cure, which fades as it sets. Opening a window helps.
Are you ARBOMaster approved?
Yes. We’re an ARBOMaster approved applicator, which is run for the Arbo sealant brand.
Is it messy?
Tidy work is part of the job. We protect what’s around the joints, and we clear up when we are done.
Should I go to my builder first?
Start with the builder if you are in the snagging or warranty period. If it isn’t resolved, we’ll cut it out and reseal it.
Can you match the sealant colour to my new kitchen or bathroom?
We use white, clear or a colour to suit the finishes. Let us know your preference when you ask for a quote.
Do you work for developers?
Yes. We carry out plot mastic and second-fix sealing for builders and developers. Send us the plot schedule and we’ll quote.