Greater London · England
Commercial sealant contractors in SW16
Commercial sealant, construction mastic and joint sealing across SW16, from Streatham, Furzedown and Streatham Park, with a fixed quote before we start.
Sealant work in SW16
Tell us what needs sealing and where, with photos or drawings if you have them, and we’ll price it.
Towns and villages in SW16
- Streatham
- Furzedown
- Streatham Park
- Thornton Heath
- Eastfields
- Streatham Hill
- Norbury
- Pollards Hill
- Mitcham
- Hackbridge
Sealant work we offer in SW16
- Commercial washroom and wet-area sealing
- Facade and window perimeter sealing
- Coloured and colour-matched sealant
- Expansion and movement joint sealing
- Construction and new-build mastic
- Fire-rated sealing and fire stopping
- Commercial sealant contractors
- Mastic sealing for building owners and managing agents
- Industrial and floor joint sealing
- Every service
Let us know the job and your postcode for a fixed quote: ring 01277 525 020 or email a schedule or drawings.
About commercial sealant contractors in SW16
How long a joint lasts is decided before any sealant leaves the gun. Old silicone gives new sealant nothing to grip, so every trace of it is removed and the faces are cleaned until they’re sound and dry, with no dust or grease left. Primer is used wherever the manufacturer calls for it on that surface, and a backing rod limits the depth to give the sealant room to work. We work on floor and threshold joints, washrooms and tea points and kitchen worktops and splashbacks, and the usual reasons a site gets in touch are untidy joints in a reception, shop floor or lobby and a top-up bead over failed sealant, now lifting.
Before any cutting starts, the area is protected: masking tape along the joint edges and sheeting over anything nearby. On site, the work typically takes as long as the agreed scope needs, from a single visit to a programme spread over several weeks, and we clear our waste as we work.
- First, details reach us through the quote form or a site visit.
- We diagnose the cause of failure and price a fixed scope.
- Work is phased around your occupiers where areas need to stay in use.
- Old sealant is cut out completely, never sealed over.
- A suitable product for each joint goes in at the right depth and is tooled.
- We check the work with you, and the 12-month guarantee starts.
Pricing in SW16
Cost follows what’s involved: removing old material, preparing the joints, the product, the access and how the work is phased. Call for a quote.
Why clients in SW16 choose us
- Our applicators hold CSCS cards
- A fixed quote before work starts
- Specification-led, product-correct work
- CHAS accredited
Request a quote
A good quote starts with a clear picture: what’s there, how much of it, how we reach it and what’s specified. Share whatever details you have and we will fill any gaps with a visit.
Landmarks near Streatham
Recent enquiries here include premises near St Andrew's Catholic Primary School, The Holland Tringham pub and Streatham Common. Other local landmarks include Waldorf School of South West London (0.8 miles north-west), St Leonard's Church (under half a mile north-west) and Bishop Thomas Grant Catholic Secondary School (0.5 miles south-east). There’s a railway station in Streatham itself: Streatham station. Well-known places in the area include Clockworks Museum (1.1 miles east) and Southside Wandsworth (3.3 miles north-west). For a walk, there’s Knight's Hill and Battersea Park Lake.
Commercial premises across SW16
In SW16, much commercial sealant work follows refits in shops, offices and hotels in places such as Thornton Heath, Streatham and Eastfields. Where the joint is on show, a colour that suits the finish is part of the job.
We work across Greater London and the South East counties, so jobs in SW16 are planned with access, loading and parking in mind.
Streatham: In a retail centre such as Priory Retail Park, 2.3 miles west of Streatham, new tenants mean new shop fits, and the sealant at counters, frontages and floor edges is part of the finish. For a hotel such as Leigham Court Hotel, 0.5 miles to the north of Streatham, the colour of a joint at the bar or the bath matters to the look of the room.
When something else is needed
Sealant solves a lot, but not everything, and we’re upfront when that’s the case. These need a different solution:
- Leaks from pipework, wastes or valves (that’s plumbing)
- Removing asbestos-containing materials (a licensed or specialist contractor’s job)
- Broken glass or blown double-glazed units
Should maintenance staff do it?
Paperwork matters too. Main contractors and clients often ask for CSCS cards, RAMS and insurance details, and we’ll confirm the paperwork you need with the quote.
The visible bead is only part of the job. Backing rod, primer where specified and a joint designed to move with the building are where general trades tend to cut corners.
What we’re called out for in SW16
A split down the middle of the bead tells a different story. Usually the movement was too much for the sealant chosen: a bead laid too thin, an over-stretched joint or the wrong movement class. The same product in the same joint tends to fail the same way.
Look out for the following:
- Greasy, split joints in a kitchen or tea point
- Damp patches where an external joint has failed
- Messy, uneven beads from earlier work that let the building down
- Layers of sealant, all of them failing
Surface by surface
Washrooms and toilets
Black sealant in a toilet block is normally beyond cleaning. The lasting answer is removal, preparation and a new sanitary bead, room by room if that suits the building.
Commercial kitchens and tea points
Kitchen joints along worktops, sinks, splashbacks and wall cladding collect grease and moisture. Proper degreasing comes before any new sealant, and a hygienic or food-safe sealant is used where food contact is possible.
For managing agents and facilities managers
Blocks and communal areas make up much of the work for housing associations and agents. We phase the work so people keep access, with each stage agreed with your site contact.
Main contractors use us as their sealant subcontractor, on new build and refurbishment alike. Programme, specification and site rules come first, with CSCS-carded applicators on site.
FAQs: SW16
Which sealant will you use?
A specification, where there is one, decides it. If there isn’t one, it comes down to the joint: its movement, its surfaces and what it has to cope with.
Do you cover SW16?
Yes. SW16 falls within our area, and the simplest way to start is to call the office on 01277 525 020 or use the quote form.
Are you CHAS accredited?
Yes. Mastic Doctor is CHAS accredited and a Constructionline member, which helps with supplier vetting.
How long before the joints can be used?
Curing time varies by product, and we confirm it on the day.
Can one contractor look after sealant on all our buildings?
Yes. Send a list of addresses and what’s needed at each, and we’ll put together a fixed quote and a sensible order of work.
How long will the new sealant last?
It depends on movement, UV and weather, cleaning, traffic and the product. Treat them as maintenance items and inspect them regularly.
How do we get a quote?
Send photos, drawings or a list of locations. If a visit is needed we’ll book one, and a fixed quote follows.