Greater London · England
Window & door mastic in Plaistow, Greater London
Window mastic for Plaistow and the surrounding area: careful preparation, the right product and tidy work. Ask us for a quick quote.
- Water coming in at the bottom corners of a door
- Rushed sealant from a window installation
- Mastic that’s falling out in pieces
Window mastic for homes and businesses in Plaistow
The mastic around a window or door seals the gap between the frame and the wall. Once that seal fails, wind and rain find the gap. Our applicators cut it out and replace it with a flexible, weatherproof sealant. Typical jobs include water coming in at the bottom corners of a door and leaking joints at the ends of sills, on patio & French doors, aluminium frames and timber windows & doors.
Many London homes are flats, with windows high above the street. In a converted house or block, the lease usually says who is responsible for the windows, so it’s worth checking before booking.
We stand behind the work with a 12-month guarantee, so you’re covered after we’ve gone.
- Place
- Plaistow (E13, E16, E6)
- Wider area
- Greater London
- Guarantee
- One year on every job
- Quote
- Quoted before any work starts
- Telephone
- 0345 464 0079
- Updated
- 26 October 2026
How we quote for window mastic
For a quick quote, just ask. The main things that affect it are:
- How easy the joints are to reach
- How much there is to do
- Which sealant suits the joint
- Mould in or behind the old joints
A failed joint rarely gets cheaper to fix by waiting, because water and mould keep working on it. If you are not sure whether it needs doing, ring 0345 464 0079 or drop us an email and we’ll give you an honest view and a quote.
Helping us quote
When you contact us, these details help:
- Access, such as stairs, a lift or height
- Roughly how big the job is
- Whether it’s a home or a business
- A few photos by email, if you can
To get a quote, call 0345 464 0079 or drop us an email with the location and a short description of the problem. You’ll have a clear quote before we start.
How the visit works
We keep the work tidy and contained to the area we’re working on, so you can carry on as normal. Expect the work to take anything from an hour or two to a full day, depending on how many frames there are. In a London area like Plaistow, the main things to plan are parking and access: let us know about parking, the floor we will be working on and any lift or shared entrance.
- We check how each frame can be reached safely.
- Old, cracked mastic is removed completely, along with any loose debris.
- Frame and wall are cleaned and must be dry before sealing, and primed where the sealant calls for it.
- Backing rod fills deep voids and the sealant goes in on top.
- We tool the joint so water runs off, then clear up.
Preparing for the visit
- Keep pets and children clear of the area while we work
- Mention any tricky access
- Tell us if parking is tricky
Ask for a quote
For a quick quote, get us on the phone, or send an email if you’d rather. Describe what needs sealing and we’ll explain what’s involved before giving you a price.
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Towns and villages near Plaistow
More services for Plaistow
Landlord and commercial work in Plaistow
A neglected joint can let water reach the structure, which matters even more when someone else lives there. Resealing at the right time is simple maintenance.
Whether it’s one flat or a portfolio, the work is the same standard: old sealant fully removed, joints prepared properly and a one-year guarantee.
Questions from Plaistow
Is parking an issue for window mastic in Plaistow?
In much of London, parking needs planning: a visitor permit or a bay close to the door helps a lot.
Is Plaistow in your area for window mastic?
Yes. Our work covers London and the South East, and Plaistow is part of that. You can call 0345 464 0079 or drop us an email and let us know what needs doing.
Can you work on commercial sites?
Yes. Hotels, offices and other businesses use us, and we are fully insured.
I rent my home. Can I book you?
We are happy to deal with the tenant, landlord or agent. Just make sure your landlord agrees.
What information do you need?
Where the job is, what the problem is and roughly how big it is. If you can, email a few photos.
Can landlords and businesses book you?
Yes, often. We can quote for several properties at once, and between tenancies is a good time for the work.
Can you seal over the old sealant?
No, it will not last. It can look neat for a few weeks, but the new bead soon lifts. Removing the old sealant completely is the only lasting way.
How much does window mastic cost in Plaistow?
The cost depends on the size of the job, access and how much old sealant has to come out. Ask us for a quote.
Frames and glazing around Plaistow
In London conversions and blocks, the lease decides who is responsible for the frames, so it’s worth checking before booking. With historic houses such as Queen's House (about 3.2 miles south) nearby, there’s older building stock in the area around Plaistow as well as newer homes. Where a home is older, older frames set in brick or stone need a sealant that suits them, and sometimes that is traditional sand mastic.
As a London address, Plaistow can be tricky for parking: tell us about permits, visitor bays or off-street space when you book. For site and facilities teams at buildings such as Kaizen Primary School, its window and door frames need their mastic kept sound, just like a home’s. In the older streets around Memorial Community Church, frames set in older brick or stone need a sealant that suits the wall as well as the frame.
Plaistow is about 5 miles east of London, in Greater London. Anywhere in E13, our applicators can take on window mastic. Plaistow is one of 764 places in Greater London where we work.
We work across E13, E16 and E6 for window mastic and the streets around it. Window mastic is available to properties on Eve Road, Ivy Road and May Road. You’ll find Plaistow on the A1011, which makes it straightforward to reach with everything needed for window mastic. We also cover the places around Plaistow: Greengate (1 mile north-east), Canning Town (1 mile south), Upton Park (1 mile north-east), West Ham (1 mile north-west) and Upton (1 mile north). Within a short drive, we also cover London (5 miles west), City of Westminster (8 miles west), Marylebone (7 miles west), Kensington (10 miles west), St Pancras (6 miles west) and Shoreditch (4 miles west).
What’s near Plaistow
We work in homes and buildings around Keir Hardie Park, The Service for Deaf and Partially Hearing Children and The Earl Of Derby Public House and the streets around them. The closest station to Plaistow is West Ham station, about 0.9 miles west of the centre. A little further out are Newham University Hospital (0.5 miles east) and Greenwich Castle (3.4 miles south). For a walk, there’s Old Ford Island and Hollow Pond.
Surface by surface
Patio & French doors
The joints around patio doors run a long way, top, sides and threshold. The threshold and the bottom corners take the most water, so they get particular care.
Timber windows & doors
Wood swells when it’s wet and shrinks when it dries, so a flexible sealant is essential. The paint or stain needs to be sound where the sealant meets it.
DIY sealant or a professional job?
A DIY attempt does not rule out a professional job. We remove it and do the joint properly, so just mention it when you contact us.
Sealing over old silicone is the commonest DIY error. New silicone will not bond to old, so it lifts and traps water and mould underneath. Everything old must be removed first.
How to look after the new joints
A little care helps the new joints last. Our advice:
- Paint up to the joint, not over it
- Keep jet washers away from the mastic
- Air rooms to keep condensation down around windows
- Check the mastic once a year
Timber frames need their paint kept up, since wood that gets wet swells and shrinks more. Paint up to the joint, not over the silicone.
Water trapped behind a failed joint can start rot in timber frames and sills. Rotten timber needs a joiner, not a sealant, so it pays to reseal before that happens.
What we cannot put right
It helps to know what we can’t do:
- Draughts through the window seals rather than the frame
- Misting between the panes of a double-glazed unit (that needs a new unit)
- Rotten timber, which needs a joiner first
If you are not sure, just phone 0345 464 0079 or drop us an email and we will give you a straight answer.
What we seal
- uPVC windows
- Aluminium frames
- Composite doors
- Patio & French doors
- Window sills
- Timber windows & doors