Construction Mastic in Shoreditch
Mastic packages for new-build and refurbishment projects in Shoreditch and across Greater London. CHAS accredited, Constructionline member, with a 12-month guarantee on workmanship.
- Sealant knocked or painted over by other trades
- Failed sealant in an existing building being refurbished
- Snag items on joints that need redoing before handover
Need construction mastic in Shoreditch?
Share the site address and what’s failing, and we’ll reply with a fixed quote or arrange a visit.
About our construction mastic in Shoreditch
On refurbishments, the mastic package normally includes cutting out old sealant as well as sealing new work. Old beads come out completely, as fresh silicone can’t grip old. After that, the joints are prepared and sealed to the specification. The enquiries we see most involve early adhesion failures on new external joints and frame gaps too wide for sealant alone, across window and door perimeters, sanitary and kitchen joints and floor and skirting junctions. Searching for sealant specialists in Shoreditch? We’ve been sealing commercial buildings since 2005, CHAS accredited and a Constructionline member.
A great deal of London construction is refurbishment of occupied or part-occupied buildings, alongside new blocks. Replacement windows, recladding and fit-outs leave perimeter and facade joints to seal, often next to people still using the building, so tidy, well-planned work matters.
Building owners and contractors get the same cover: a 12-month guarantee on our workmanship. It doesn’t extend to damage, faults in the building or work by others, and we’re upfront about that.
- Location
- Shoreditch (E1, E2, N1)
- Region
- Greater London
- Cover
- 12 months on every job
- Quote
- Fixed quote, scope in writing
- Call
- 01277 525 020
- Updated
- 3 November 2026
Our process
At the end of each section, the masking comes off, the area is cleaned and every joint is checked with your site contact. If an area should be left alone while the sealant cures, we say how long and put signs out. Planning a London job such as one in Shoreditch starts with access. Give us the hours we can be on site and we’ll schedule to suit.
- First we look at the scope on site or from drawings.
- You receive a fixed quote covering scope, products and sequence.
- Site paperwork is confirmed and our CSCS-carded applicators are inducted.
- Sealing follows the programme as areas are released.
- Any frame gaps or issues outside our scope are flagged to the site team.
- Final snagging is completed and the 12-month guarantee applies.
Getting the site ready
- Flag any permit to work we will need
- Tell staff and tenants when we will be in
- Explain the parking and delivery arrangements
Get a fixed quote
A handful of photos and a postcode is the fastest way to a quote. Upload them with the quote form, or call 01277 525 020 or use the quote form if you’d rather talk the job through.
Advice
When to call us in Shoreditch
Frames installed with uneven gaps make perimeter sealing harder. Every product has limits on how wide a joint it can bridge, so gaps outside that range need sorting by the installer first. We flag them early rather than filling them with sealant that won’t last.
Common reasons buildings call us in:
- Inconsistent sealant finishes from plot to plot
- Early adhesion failures on new external joints
- Frame gaps too wide for sealant alone
- Old sealant on a refurbishment that needs stripping before new work
On a campus such as Northumbria University London Campus, 0.6 miles south of Shoreditch, new teaching buildings and residences are normally built and refurbished around the academic year.
Questions to ask before you book
- Will RAMS and insurance details be available?
- What level of public liability insurance do they hold?
- The terms of the workmanship guarantee
- Are they CHAS accredited or on Constructionline?
Mastic packages on Shoreditch sites
A 2-mile radius around Shoreditch takes in a good number of hotels. Hotel extensions and refits typically have to fit around bookings, so mastic dates are tight. As part of Greater London, Shoreditch is inside the ULEZ, which applies to every van on site. Add booked deliveries and tight storage, and the mastic package needs planning with the site team.
Further education sites such as London College of Fashion (to the south-west of Shoreditch) are extended and refurbished from time to time, with mastic often programmed into the summer break. Extensions at sites like Mildmay Mission Hospital, under half a mile to the north-east of Shoreditch, normally sit beside working departments, and the mastic follows strict access rules.
Shoreditch is about 2 miles north of London, in Greater London. Our applicators travel to Shoreditch for work on mastic packages, handled exactly as we handle every other area. We work across 764 places in Greater London, from busy centres to rural villages.
We cover the E1, E2 and N1 postcode districts. Streets here include New Road, Moor Lane and City Road, and sites on any of them can send details for a fixed quote. Access to Shoreditch is via the A1 and A10 among other routes. Close to Shoreditch, our area also takes in Haggerston (1 mile north), Hoxton (1 mile north-west), St Luke's (1 mile west), Spitalfields (1 mile south) and Finsbury (1 mile west). Nearby towns on our patch include City of Westminster (3 miles west), Marylebone (3 miles west), Kensington (6 miles west), Walthamstow (5 miles north-east), Hampstead (5 miles north-west) and Ruislip (15 miles west). Among the larger centres in Greater London is Shoreditch, and we take on mastic packages for its commercial and public buildings.
Near you in Shoreditch
Around Shoreditch, our work takes us to commercial buildings near The Prince's School of Traditional Arts, Hackney University Technical College and Bishopsgate Institute Special Collections and Archives. Also close by are Artillery Ground (0.5 miles south-west), Former London Apprentice pub (under half a mile north-west) and St Mary-at-Hill (1.1 miles south). There’s a railway station in Shoreditch itself: Shoreditch High Street station. Other landmarks nearby include Tower of London (1.2 miles south) and Gabriel's Wharf (1.8 miles south-west). Open spaces near Shoreditch include Tower Hill and St. James's Park Lake.
Commercial clients in Shoreditch
Hotels, schools, healthcare sites, offices and retail units book us directly too. We plan around the way the building is used, so guests, pupils, patients or staff are disturbed as little as possible.
Main contractors use us as their sealant subcontractor on new-build and refurbishment projects. We work to your programme, your specification and your site rules, and our applicators hold CSCS cards.
Site staff or a sealant specialist?
Paperwork matters too. Main contractors and clients often ask for CSCS cards, RAMS and insurance details, and our CSCS-carded applicators are used to working under those rules.
Redoing a failed joint usually costs more than getting it right at the outset, because the whole bead must be removed and the faces cleaned back again. That’s why many clients bring in a specialist from the beginning.
When it isn’t the sealant
A proper diagnosis includes knowing what sealant can’t do. You’ll hear from us if the cause turns out to be any of the following:
- Glazing units that are cracked or misted
- Specifying the product where the designer hasn’t
- Deciding which fire-stopping product a penetration needs
If you’re not sure, just call 01277 525 020 or email the details over and we will give you a straight answer.
Surfaces we seal
- Floor and skirting junctions
- Brick and block movement joints
- Internal decorators’ caulk
- Sanitary and kitchen joints
- Window and door perimeters
- Cladding and panel joints
Why it’s worth doing now in Shoreditch
Patching snags as they appear can feel quicker than a proper close-out. A planned sweep of each plot or floor catches the lot in one go. We can run snagging as its own phase before handover. In a London building, a failed joint rarely affects only one party: water travels through shared structures, and a small leak becomes a dispute between occupiers. Putting it right early is less disruptive than dealing with the consequences.
The work involved drives the cost: stripping out, preparation, sealing, access and phasing. Call for a fixed quote and we will explain how it’s made up.
Why appoint us
- Clear, fixed quotes
- Constructionline member
- Colours confirmed for the specified product
- Colours chosen to suit frames, cladding or finishes where possible
See how commercial sealant jobs are priced or our accreditations.
FAQs: Shoreditch
Can you cope with the access rules in a London building?
Yes, most London buildings have access rules of some kind, and we plan around them. Share the building’s contractor rules and we will work to them. The ULEZ covers the whole of Greater London, which we allow for
Will you plan work around the academic year at somewhere like Northumbria University London Campus?
Yes. We plan campus work around teaching, exams and residence turnarounds. Any paperwork you need, from RAMS to our insurance certificate and CSCS details, is confirmed with the quote.
How much does the work cost?
That depends on the job: quantities, access, the product and any phasing. Call for a fixed quote and we’ll price it properly.
Can weather delay the job?
It can, for external work. Wet joints and cold, damp or frosty conditions stop the sealant bonding properly, so we watch the forecast and rearrange outside work if we have to. Internal work is far less affected.
Do you install fire-rated sealant as part of a package?
Fire-rated sealant can be included where it’s specified, installed to the product’s tested detail. The design and sign-off belong to the designer, fire engineer or building control.
Do you guarantee new-build sealant work?
The work is guaranteed for 12 months on the workmanship. Keeping other trades off finished joints prevents most problems.
Can staff carry on working while you’re here?
In most cases, yes. We phase the work so most of the building stays in use, with each area protected and signed.