Facade Sealing in Upminster
Facade joint and window perimeter sealing on commercial buildings in Upminster and across Greater London. CHAS accredited, Constructionline member, with a 12-month guarantee on workmanship.
- Hard, chalky sealant that no longer flexes
- Patch repairs that keep failing
- Perimeter joints where frames meet the structure
Facade sealing for Upminster sites
Send drawings, photos or a joint schedule, or tell us about the site, and we’ll come back with a fixed quote.
What sets the cost
What shapes the price:
- The size and state of each joint
- Location, for remote and island sites
- Specialist products, such as fire-rated or hygienic sealants
- Working within restricted access windows
What a job costs comes down to how many linear metres there are, what has to come out first and the access. Call for a quote once you have the details.
What to include in your enquiry
There’s no need for a formal survey. A few details are enough to get going:
- Specification clauses that apply
- Whether the building will be occupied during the work
- Approximate linear metres or a joint schedule
- Photos of the joints, close up and from further back
Let us know the site, the scope and your timescale, and we will put a fixed quote together. The easiest way is to call the office on 01277 525 020 or use the quote form.
About our facade sealing in Upminster
We don’t install glazing systems or replace glass. We handle the sealant joints that surround those elements: the frame-to-structure perimeter, panel-to-panel joints and window and door surrounds. We work on shopfront frames, stone and brick facade joints and perimeter joints where frames meet the structure, and the usual reasons a site gets in touch are cold air coming in at window perimeters and discoloured or dirty facade joints. Whoever orders the work in Upminster, the brief is usually the same: a clear scope, tidy work and joints that don’t fail again.
Around Upminster, as across London, much of the work is refurbishing existing buildings as well as building new ones. Replacement windows, recladding and fit-outs leave perimeter and facade joints to seal, often next to people still using the building.
We sign every job off with a 12-month guarantee. It’s a plain promise: if our work fails within that year, we put it right.
- Where
- Upminster (RM14, RM11)
- Wider area
- Greater London
- Guarantee
- 12 months on every job
- Quotes
- Fixed quote, scope in writing
- Telephone
- 01277 525 020
- Updated
- 3 November 2026
Keeping the joints sound
Sealant joints are maintenance items, and their life depends on movement, exposure, cleaning and use. We suggest:
- Confirm the survey covers external sealants in older buildings
- Report water ingress at frames as soon as it shows
- Share access with other external trades
- Insist on a full cut-out when joints are renewed
Anything drilled through a facade joint breaks the seal. Ask the installer to reseal it properly.
Get the joint design right when resealing: the right width, backing rod and a sealant with enough movement capability. Repeating a faulty detail just repeats the failure.
When something else is needed
Honesty saves time and money. Fresh joints won’t solve:
- Water getting in through cracked render or porous masonry
- Damaged frames that need replacing
- Joints too narrow for the movement they take, which need redesign
If in doubt, phone 01277 525 020 or email the details over and we will say what we think before you book.
What we seal
- Shopfront frames
- Cladding panel joints
- Coping and flashing joints
- Perimeter joints where frames meet the structure
- Window and door perimeters
- Stone and brick facade joints
On site: what to expect
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. All of Greater London is in the ULEZ, and kerbside space in Upminster can be scarce. Let us know about any on-site parking or loading arrangements when you send the job details.
- First we review photographs, drawings or what we saw on a visit, and agree how each joint will be reached.
- Failed sealant is cut out along its full length.
- Both faces are cleaned and, where the product needs it, primed.
- Closed-cell rod fixes the depth, and the sealant grips two sides only.
- The new sealant goes in and is tooled firmly onto both faces.
- The completed runs are checked with you, then the 12-month guarantee applies.
What we need from you
- Tell us which areas need to stay in use
- Tell us what induction or permit system the site runs
- Send asbestos survey details if the building is pre-2000
Request a quote
We quote a fixed sum against the scope you give us, so the cost is agreed before work starts. To ask for one, call 01277 525 020 or email drawings and photos.
Advice
Building owners, agents and FMs in Upminster
Main contractors use us as their sealant subcontractor. We work to your programme, your specification and your site rules, with CSCS-carded applicators on site.
Whether you’re a managing agent, a property factor or an owner’s representative: send details, get a fixed quote, we seal, guaranteed. Keys, access and contacts can be agreed in advance.
Towns and villages near Upminster
More services for Upminster
Questions we’re asked in Upminster
Do you work in London buildings with loading restrictions?
Yes. Booked loading bays, goods lifts and permit-to-work systems are normal for London jobs. Say when the building is occupied and when it’s quiet, and we will plan accordingly. We allow for the ULEZ, which covers every borough
Can you take on a job at a hospital such as St George's Hospital?
Yes, provided the work is planned with the site’s estates team. Before anything starts, the estates team agrees permits, inductions and infection-control measures with us.
What do you charge?
We don’t publish prices, as every site differs. Send photographs or drawings and we will price it at a fixed figure.
Which sealant will you use?
A specification, where there is one, decides it. Without one, the joint decides: how much it moves, what it bonds to and whether it’s wet, trafficked or fire-rated.
Do you provide access for facade work?
We agree access with the client at the start. Tell us about access: existing scaffold, what you’re arranging and any site restrictions, and the quote will reflect it.
What type of sealant goes on window perimeters?
Most facade and window perimeter joints take a low-modulus neutral-cure silicone. Some joints call for hybrid, PU or polysulphide instead.
What’s the quickest route to a quote?
There are four steps: send details, get a quote, we seal, guaranteed. Step one needs little more than photos and a postcode.
Why it’s worth doing now in Upminster
Scaffold or access already on site makes resealing much simpler. Coordinating facade sealing with other external works avoids paying for access twice, which is often the biggest saving. Access in London is hard enough to arrange once, so while access is arranged it pays to renew all failing joints, not just the worst.
Quantities, awkward access and phased working all shape the price. So do site requirements such as inductions and permits, along with the time of year for external work.
Why choose Mastic Doctor in Upminster
- Fully insured
- 12 months’ guarantee on every job
- Work to your specification and the manufacturer’s guidance
- CSCS-carded applicators
Read what affects the cost or our accreditations and insurance.
New build and refits around Upminster
Site traffic in Upminster falls within London’s ULEZ, like everywhere else in Greater London. London sites also mean booked deliveries and limited storage, which the mastic programme has to allow for.
When a school such as Upminster Junior School is extended or refurbished, the mastic package is often squeezed into the holidays. Older buildings in the area around Upminster, such as Hare Hall, 2.6 miles to the north-west of Upminster, need care when sealed: the product has to suit soft or historic materials. New wings at hospitals like St George's Hospital, 1.7 miles to the south-west of Upminster, bring long runs of window and panel joints to seal.
Upminster is about 2 miles east of Hornchurch, in Greater London. Our applicators travel to Upminster for work on facade joints. Our Greater London coverage takes in 764 places, from busy centres to rural villages. London is covered too, some 16 miles away.
Work on facade joints is covered throughout RM14 and RM11. We cover commercial and managed buildings on Station Road, Latham Place and Deyncourt Gardens and the roads nearby. If your building is just outside Upminster, we cover Upminster Bridge (1 mile west), Cranham (1 mile east), Emerson Park (1 mile north-west), Hornchurch (2 miles west) and Puddle Dock (2 miles east). Further afield, our area takes in Shoreditch (14 miles west), Walthamstow (12 miles west), Hoxton (15 miles west), Whitechapel (14 miles west), Orpington (14 miles south-west) and Highbury (15 miles west).
What’s near Upminster
Locally, jobs take us to sites close to Eastbrook School, St. Andrew's Park and The Crumpled Horn pub and the streets around them. Upminster has its own railway station: Upminster station. A little further out are Upminster Tithe Barn Museum of Nostalgia (0.5 miles north) and The Mercury Mall (3.2 miles north-west). For a walk, there’s Cranham Marsh.