Greater London · England
Commercial sealant contractors in E2
Commercial sealant, construction mastic and joint sealing across E2, from Bethnal Green, Cambridge Heath and Shoreditch, with a fixed quote before we start.
Mastic and sealant across E2
Share the site address and what’s failing, and we’ll reply with a fixed quote or arrange a visit.
Areas within E2
Services in E2
- Commercial washroom and wet-area sealing
- Industrial and floor joint sealing
- Construction and new-build mastic
- Fire-rated sealing and fire stopping
- Facade and window perimeter sealing
- Commercial sealant contractors
- Expansion and movement joint sealing
- Mastic sealing for building owners and managing agents
- Coloured and colour-matched sealant
- Every service
Let us know the job and your postcode for a fixed quote: call the office on 01277 525 020 or email a schedule or drawings.
About commercial sealant contractors in E2
Failed sealant isn’t always the whole story. A leak near a frame edge can start in the frame, the cill or the cavity, and repeated splits in a movement joint can mean the joint is too narrow for the movement. Part of the job is telling you when the fix is something other than sealant. We work on window and door perimeters, washrooms and tea points and movement joints in walls and floors, and the failures we’re asked to look at most are external beads that have gone brittle and cracked and leaks that seem to come through a sealant line.
We schedule the visit to fit the site hours and access windows you give us. While we are working, the area stays contained and tidy, and your contact hears from us before we move to the next area.
- We start with the evidence: photographs, drawings or a look on site.
- You get a fixed quote covering removal, preparation and the new sealant.
- We agree the order of work, access windows and site hours with you.
- The failed sealant comes out and the faces are prepared, with primer where required.
- Backing goes in, the new sealant is laid and tooled, and the area is left neat.
- We hand back each area with its cure time and our 12-month guarantee.
What you will pay
Larger quantities, tricky access or phasing all shape the price. Site requirements like inductions and permits play a part as well.
What you get with us
- CSCS-carded applicators
- Specification-led, product-correct work
- Old sealant cut out, never sealed over
- A fixed quote before work starts
Getting a fixed quote
Send us photos, drawings or a joint schedule are often enough for a fixed quote. Where a site visit makes more sense, we’ll arrange one.
Landmarks near Bethnal Green
Locally, jobs take us to sites close to Lawdale Junior School, Bethnal Green Gardens and Sebright Arms and the streets around them. You will also find St Peter's (under half a mile north-west), Bishopsgate Institute Special Collections and Archives (1.1 miles south-west), Oaklands School (under half a mile east) and Young and Talented School of Stage and Screen (less than half a mile south). Bethnal Green has its own railway station: Cambridge Heath station. A little further out are Hackney Walk (1.3 miles north) and London Chest Hospital (0.5 miles east). For a walk, there’s St. James's Park Lake and Tower Hill.
Where commercial joints are in E2
Across E2, from Shoreditch, Whitechapel and Bethnal Green to the smaller places between, commercial buildings run from high-street shops and offices to hotels, schools and business parks. Because we cover all of it, multi-site occupiers can bring every building under one quote.
The South East has large numbers of business parks and industrial estates, especially around the motorway corridors, and we cover E2 along with the rest of the region.
Bethnal Green: Shop fits at places like Anchor Retail Park, 0.7 miles south-east of Bethnal Green, leave counters, frontages and floor edges where the sealant colour is part of the finish. Occupiers with premises at both Anchor Retail Park and Bayford Street Industrial Centre could have the sealant at each handled under one quote.
For managing agents and facilities managers
Hospitality, education, healthcare, office and retail clients book us directly too. The work is planned around how the building runs, so the building keeps working while we do.
If you look after buildings for someone else, you need clear quotes and clear reporting. You get a fixed quote, an agreed scope and a walk round at the end, plus a 12-month guarantee.
Why deal with it now?
A cheaper quote sometimes means the old bead stays in. New sealant laid on old silicone has nothing to bond to, so it peels. Every quote we give includes full removal and preparation, which is where the lasting value is.
What your quote should include
- How joint depth will be controlled
- What site paperwork they can supply
- Health and safety accreditation such as CHAS
- Proof of insurance
General trades versus a specialist
There’s also the paperwork. Many sites expect CSCS cards, RAMS and proof of insurance, and our CSCS-carded applicators are used to working under those rules.
Certain joints really need a specialist: for instance fire-rated seals that must match a tested detail, trafficked floor joints and external movement joints. Getting these wrong usually costs more in the end than doing them right.
Signs you need commercial sealant contractors
A good share of the joints we inspect were topped up instead of being renewed. Fresh sealant won’t stick to the old bead underneath, so the top layer lifts, holds water and hides what’s going on. Getting back to a clean joint then means removing every layer.
Common reasons buildings call us in:
- Gaps behind commercial kitchen worktops and sinks
- Movement joints packed with grit and debris
- Leaks that seem to come through a sealant line
- Mouldy silicone around WCs, urinals and vanity tops
Honest limits
We seal joints; we don’t mend everything behind them. Sealant alone won’t deal with:
- Walls or slabs moving more than any sealant can take
- Misted, cracked or failed glazing units (a glazier’s job)
- Leaks from pipework, wastes or valves (that’s plumbing)
Your questions answered
Can you supply RAMS and insurance details?
We will confirm the paperwork you need, such as RAMS, an insurance certificate or CSCS details, with the quote. We hold CHAS accreditation and Constructionline membership and carry five million pounds of public liability insurance.
How long does a job like this take?
It depends on the scope, but the work typically takes anything from part of a day on a short run of joints to several weeks on a large phased package. Larger or phased jobs take longer, and we’ll give you a timescale with the quote.
Are your applicators CSCS-carded?
Yes. We use CSCS-carded applicators, which many sites require.
Will you just go over the old sealant?
No. Overlaying old sealant is a frequent cause of early failure, so everything comes out first.
Are you CHAS accredited and on Constructionline?
Yes. Mastic Doctor is CHAS accredited and a Constructionline member.
Can areas stay open during the work?
That comes down to planning: areas are phased, access windows agreed and enough washrooms or entrances left in use. Let us know what can’t close and we will work around it.
Is your work guaranteed?
Our workmanship is guaranteed for 12 months. We are fully insured for public liability as well.