Mastic sealing for building owners and managing agents in Letham, Angus
Work needed on a mastic joint in Letham? We assess it, carry out the work and guarantee our workmanship for 12 months.
- Damaged joints in communal entrances and corridors
- Window mastic that has split and shrunk
- Failed external movement joints
Mastic sealing for businesses in Letham
Share the site address and what’s failing, and we’ll reply with a fixed quote or arrange a visit.
Mastic sealing in Letham
Different joints need different sealants. Low-modulus neutral-cure silicone suits many window perimeters and external movement joints, and MS polymer sealants stick well to many substrates and often take paint. We will confirm the colours available for the specified product. The enquiries we see most involve damp patches beside frames and old repairs sealed over failed mastic, on communal kitchens and washrooms, window and door perimeters on blocks and communal entrances and stairwells. Sealant contractors, mastic applicators, sealant specialists: whatever the job title on the order, in Letham it comes down to the same thing: the right product in a properly prepared joint.
For buildings around Letham, we group the work to keep travel and visits down. Send addresses and photos for a quote covering the batch.
The 12-month guarantee is for workmanship rather than wear and tear. How long a sealant joint lasts depends on movement, exposure, cleaning and use, so we spell out the cover before we begin.
- Place
- Letham (DD8)
- Wider area
- Angus
- Guarantee
- A 12-month guarantee
- Quotes
- A fixed quote before we start
- Telephone
- 01277 525 020
- Page updated
- 3 November 2026
On site: what to expect
Before any cutting starts, the area is protected: masking tape along the joint edges and sheeting over anything nearby. On site, the work normally takes one or more days per building, depending on the joint lengths and the access, and our waste is bagged and taken away as we go. For work around Letham, we aim for one trip, so photos, sizes and a full list matter. External joints need a dry spell as well.
- We inspect the joints, building by building, and record what has failed and why.
- We send a fixed quote that sets out the joints, the products and the programme.
- The programme is fixed with you, including dates you can pass on to residents or tenants.
- Old sealant is stripped and each face prepared back to firm material.
- Backing rod and primer go in where the joint and the product need them, then new sealant is applied and tooled.
- Completed joints are inspected and carry a 12-month workmanship guarantee.
Before we start on site
- Let building users know which areas are affected
- Tell us your opening times and when work is allowed
- Point out parking and an unloading spot
Request a quote
Send details, get a quote, we seal, guaranteed: that’s how every job runs. The first step is to call the office on 01277 525 020 or email the details over with what you know.
Read more
Aftercare for building managers
Once the work is signed off, these steps help:
- Check the asbestos register before any old mastic is disturbed
- Mention RAMS, insurance or CSCS requirements up front
- Make mastic part of routine maintenance checks
- Prioritise elevations facing the weather
Our workmanship is covered for 12 months, so report any failure in that time. After that, regular inspection keeps the programme on track.
Left open, joint edges in render, brick or frames can deteriorate. Once that happens, repairs come before resealing.
What else we do in Letham
Questions we’re asked in Letham
Is a smaller place like Letham outside your area?
Not at all: smaller places are covered as well as towns. Our area covers all of Scotland, cities, towns and islands alike. We plan jobs in smaller places so return trips are kept to a minimum.
What paperwork can you provide for a job in Letham?
Whatever your site asks for, from RAMS to CSCS details, is confirmed when we quote. We hold £5m public liability insurance, are CHAS accredited and a Constructionline member, and our applicators are CSCS-carded.
How soon can the area be used again?
Curing time varies by product, and we confirm it on the day.
Do you work to architects’ specifications?
Yes. We follow the specification, along with the manufacturer’s installation guidance.
Are you CHAS accredited and on Constructionline?
Yes. Mastic Doctor is CHAS accredited and a Constructionline member.
How do I request a quote?
It works in four steps: send details, receive a fixed quote, we carry out the work, and it’s guaranteed. The first step only needs photographs and a postcode.
Do you work for managing agents and housing associations?
Yes. Most of our mastic sealing is for agents, factors, housing associations and portfolio landlords, and we quote building by building or as a programme.
Mastic sealing around Letham: what changes locally
The east of Scotland, where Letham is, gets less rain than the west. Frost and condensation on winter mornings can still delay outside mastic.
For owners and agents with buildings in or around Letham, block-wide mastic programmes deal with frames and external joints of the same age together.
Letham is about 5 miles east of Forfar, in Angus. We cover Letham, with the same fixed quotes and 12-month guarantee as everywhere else. 65 places across Angus fall within our area, Letham among them. For work in that direction, see our Dundee page.
Anyone looking for mastic sealing in DD8 gets the same process as the rest of our area: send details, get a quote, we seal, guaranteed. We cover commercial and managed buildings on The Square, Kirkgait and Gardyne Street. We also cover Craichie (2 miles south-west), Tulloes (2 miles south-west), Hillend (2 miles west), Lownie Moor (3 miles west) and Kingsmuir (3 miles west) for mastic joints. Further afield, our area takes in Arbroath (8 miles south-east), Forfar (5 miles west), Montrose (13 miles north-east), Monifieth (10 miles south), Carnoustie (9 miles south) and Kirriemuir (9 miles west).
What’s near Letham
Well-known places in the area include Whitehills Hospital (4.1 miles west) and Balgavies Castle (1.9 miles north). The countryside around Letham includes Balgavies Loch.
Site staff or a sealant specialist?
General builders and handymen seal joints, but it isn’t their main trade. A specialist prepares properly, controls joint depth and picks a product with the right movement class.
Putting right a botched joint often costs more than sealing it well at the start, since all of it has to come out and the faces be cleaned back again. For that reason, many FMs and contractors use a sealant specialist from the outset.
Leave it or put it right?
Replacing mastic before water gets in is a planned job. After water has got in, there may be damp, damaged plaster or decoration to put right too and occupiers notice. Buildings that aren’t in daily use, such as halls and seasonal premises, may let water in unnoticed, giving water time to get in. Early resealing prevents it.
The work involved drives the cost: removing old material, preparing the joints, the product, the access and how the work is phased. Call for a fixed quote and we’ll explain how it’s made up.
Why appoint us
- Workmanship guaranteed for 12 months
- Sealing commercial buildings since 2005
- CHAS accredited contractor
- Colours chosen to suit frames, cladding or finishes where possible
Take a look at how commercial sealant jobs are priced or how we’re accredited.
Common problems we fix in Letham
Topping up old mastic is a common shortcut. New silicone has nothing to grip on old silicone and the repair soon fails.
Site and facilities staff are often the first to spot these:
- Damaged joints in communal entrances and corridors
- Repeated reactive repairs to the same buildings
- Movement joints with sealant missing
- Water getting in round frames after rain
Older community buildings, Old Church among them, often have frames of mixed ages whose mastic varies.
Questions to ask before you book
- Do they follow the manufacturer’s priming guidance?
- Their pre-qualification and accreditations
- What level of public liability insurance do they hold?
- Their plan for phasing and protecting the area
Owners, agents and contractors
We take on planned maintenance as well as one-off repairs: resealing failed joints building by building, on a schedule that suits your budget. Letham can form part of a wider programme across Angus.
We work for building owners and managing agents on everything from one building to a spread of sites. One quote can cover more than one site, which keeps the paperwork simple.