Edinburgh · Scotland
New-build mastic & snagging in Boswall, Edinburgh
New build mastic in Boswall from a team with over 20 years’ experience. 180+ five-star Google reviews and a 4.9 rating.
- Plot mastic for developers ahead of handover
- Sealant that never bonded to the surface
- Kitchen sealant that has pulled off the wall
How we handle new build mastic in Boswall
Failed shower seals, gaps along the skirting and messy beads are common items on a new-home snagging list. If you’re still within the builder’s snagging or warranty period, tell them first, and if it isn’t put right, get in touch with us. We work on show homes, plot handovers and kitchens, and the jobs we see most are sealant work across a run of new homes and kitchen sealant that has pulled off the wall.
Scotland’s cities are still adding new flats and houses, and in new homes, sealant and floor joints are often among the first snags.
Every job is covered by our 12-month guarantee.
- Where
- Boswall (EH5, EH3, EH4)
- Wider area
- Edinburgh
- Guarantee
- One year on every job
- Quotes
- A clear quote up front
- info@mrmastic.co.uk
- Last updated
- 26 October 2026
Can I do it myself?
If you do try it yourself, take your time over the preparation: remove every trace of old sealant, clean and dry the joint, and follow the product’s cure time. If it fails, we can still redo it.
If you’ve already had a go yourself, that’s fine. We cut it out and start again, so tell us about it when you ask for a quote.
New build mastic in Boswall: local notes
Boswall is close to the coast. New homes near the sea put their outside mastic to work from day one, so any gaps are best picked up early. Many new homes in Scotland are timber-framed, and as the frame dries and settles, skirting and sealant joints can open up.
For new homes near Edinburgh Waverley station, it’s worth checking the sealant early, while snags are still fresh. Around Boswall, as everywhere, new build mastic is only as good as the preparation behind it.
Boswall is about 1 mile north-west of Bellevue, in Edinburgh. Homes, rented property, offices and hotels in Boswall can book us for new build mastic, old or new, large or small. Every job comes with our one-year guarantee. Boswall is one of 175 places in Edinburgh where we work for new build mastic.
Every address in EH5, EH3 and EH4 is covered for new build mastic, from the main roads to the quietest streets. We cover properties on Ferry Road, Wardie Road and Granton Road and the roads around them. Being close to the A903, Boswall is easy for our applicators to reach. Nearby, we also carry out new build mastic in Granton (1 mile west), Goldenacre (1 mile south-east), Inverleith (1 mile south), Trinity (1 mile east) and Pilton (1 mile west). Larger places within reach include Sciennes (3 miles south-east), Merchiston (3 miles south), Newington (3 miles south-east), Queensferry (7 miles west), Burgh Muir (3 miles south-east) and Lochend (3 miles south-east).
Near you in Boswall
Locally, jobs take us to homes and businesses close to Starbank Park, Trinity Academy and Old Chain Pier pub. Boswall’s nearest station is Edinburgh Waverley station, about 1.9 miles south-east. Well-known places in the area include Newhaven Heritage Museum (1 mile east) and Western General Hospital (1 mile south-west). Open spaces near Boswall include Dunsapie Loch and Corstorphine Hill.
Landlords, agents and businesses in Boswall
Businesses can book us for washrooms, kitchens, offices and more. On commercial sites, working times can be discussed when we quote.
Whether it’s one flat or a portfolio, the work is the same standard: old sealant fully removed, joints prepared properly and a one-year guarantee.
What we can’t put right
We’d rather tell you now than do work that will not last, so here’s what sealant can’t put right:
- Your warranty claim itself, which is between you and the builder
- Settlement cracks that need a surveyor
- Leaking fittings rather than failed sealant
If you’re 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
- Plot handovers
- Kitchens
- Show homes
- Bathrooms & en suites
- Windows & doors
- Skirting & floors
What happens if it’s left?
A failed shower or bath seal in a new home lets water into floors and walls that are still drying out. Resealing promptly protects the new finishes around it. Private landlords in Boswall must meet the Repairing Standard, and damp or leaks can fall short of it, so failed sealant is best replaced before it becomes a complaint.
What you pay reflects the work, not guesswork. That’s why we ask about the job first and send you a clear quote before work begins.
Why choose Mr Mastic in Boswall
- Old sealant always removed completely
- Anti-fungal silicone where joints get wet
- ARBOMaster approved applicator
- We leave the area clean and tidy
Take a look at how sealant jobs are priced or customer reviews.
Boswall: your questions answered
Do you cover Boswall for new build mastic?
Yes, Boswall is within the area we cover. We work across all of Scotland. Just drop us a line at info@mrmastic.co.uk with a few details of the job, and we’ll send you a clear quote.
Is there a guarantee on new build mastic in Boswall?
Every job comes with our one-year guarantee, wherever it is. We are fully insured, and an ARBOMaster approved applicator.
Can landlords and businesses book you?
Yes, regularly. Several properties can go on one quote, and between tenancies is a good time for the work.
Why does sealant fail so quickly in new builds?
It’s common, and there are generally two reasons: the house moving as it dries, and sealant that never bonded properly. A proper reseal deals with both.
How long does the job take?
Most jobs take a few hours in a single home. Your quote will say how long we expect yours to take.
Can you do plot mastic on a new development?
Yes. We work through plots to your schedule, room by room. Tell us the plots and the joints involved for a clear quote.
Are you ARBOMaster approved?
Yes. ARBOMaster is the approved applicator scheme for Arbo sealants, and we are part of it.
Can I send you my snagging list?
Yes. We often work straight from a snagging list. We will go through the sealant items and agree what we will do.
Keeping the joints in good condition
Once the sealant has cured, a few habits help it last:
- Avoid scourers and strong chemicals on sealant
- Avoid running a DIY bead over the old one
- Keep photos and emails about snagging items
- Follow the cure time we give you
Ventilation matters in a new home, which is still drying out. Use the extractor fan or open a window after showers so moisture does not sit on the sealant.
Leave a failed new-build seal and water can reach the floor and the ceiling below. Early resealing keeps the job small.
How it works
The work is kept neat and contained to the area we’re working on, so you can carry on as normal. Expect the work to take a few hours in a single home. For a tenement in Boswall, work inside your flat is between us and you, while shared parts may need the factor or neighbours to agree. Tell us which applies when you book.
- First, the list of joints is agreed from your snagging sheet or plot schedule.
- The failed sealant is removed completely down to clean surfaces.
- We clean out the dust and grit left from the build.
- We prime where needed and apply a sealant suited to each joint.
- Each bead is tooled and the cure times explained.
How to prepare
- Keep children and pets away from the work area
- On commercial sites, let us know about site rules
- Tell us about any water getting in
Getting a quote
Need a quote? Please email us at info@mrmastic.co.uk with a few details. You will know what we plan to do, and what it will cost, before any work begins.
Advice
Places near Boswall
Also in Boswall
Quotes for new build mastic in Boswall
You will get a clear quote before we start. It takes into account:
- Access and height
- How many rooms, windows or areas are involved
- How much old sealant there is and how hard it is to remove
- Working hours on commercial sites
Combining jobs into one visit is normally more efficient than separate visits. You’ll get one clear quote for the whole job.
Asking for a quote
To help us quote quickly, please include:
- What the problem is, such as mould, gaps, leaks or cracking
- Pictures of the joints, sent by email
- The rough size of the job
- Access, such as stairs, a lift or height
We don’t publish a price list. Instead, your job gets its own clear quote. To arrange one, drop us a line at info@mrmastic.co.uk.