Greater London · England
Window & door mastic in Moor Park, Greater London
We cover Moor Park for mastic around window and door frames, sills and patio doors. Old sealant removed completely, joints prepared properly and every job guaranteed for a year.
- Cracked internal joints between frame and plaster
- Water coming in at the bottom corners of a door
- Gaps left after new windows were fitted
When it is not the sealant
In fairness, there are a few things sealant won’t fix:
- Worn gaskets, brush seals or a door that has dropped
- Misting between the panes of a double-glazed unit (that needs a new unit)
- Faulty window hardware
If in doubt, phone 0345 464 0079 or email us and we will say what we think.
Joints and surfaces we work on
- Composite doors
- Patio & French doors
- Timber windows & doors
- Aluminium frames
- uPVC windows
- Window sills
Window mastic for homes and businesses in Moor Park
A window frame and the wall around it expand and shrink at different rates. Plastic and aluminium frames move with the temperature, while masonry stays fairly still. That’s why the joint needs a flexible, low-modulus sealant rather than something rigid. If you’re dealing with cracked or shrunken mastic around the frame and draughts coming in around windows and doors, we can help, whatever the surface.
Much of London’s older housing was built with timber sash windows, some still in place and some long since replaced. Either way, the mastic between frame and brickwork is what stops draughts and rain getting in.
Each job carries a 12-month guarantee, large or small.
- Where
- Moor Park (HA6, WD3)
- Region
- Greater London
- Cover
- A year, on every job
- Price
- Quoted before any work starts
- Phone
- 0345 464 0079
- Last updated
- 26 October 2026
Questions from Moor Park
I let a flat near Rickmansworth station. Can you help?
Yes, landlords and agents are among the people we work for. Just ring 0345 464 0079 or email us with the address and what needs doing, and we’ll give you a clear quote.
Is parking a problem for a job in Moor Park?
In much of London, parking needs planning: a visitor permit or a nearby bay makes the day run more smoothly, so mention what’s available when you book.
Do the sealants smell?
Sometimes, a little. Any smell clears as the sealant cures, and ventilation helps.
Will new mastic stop draughts?
Yes, if the air is getting in around the frame. If it’s coming through the window seals, we’ll tell you.
What do you need from me for a quote?
Where the job is, what the problem is and roughly how big it is. Photos by email help too.
How do I get a quote for window mastic in Moor Park?
Size, access and the old material all affect the cost. Call for a quick quote.
Where do you work from?
Our base is in Crawley, West Sussex, and we cover South East England, London and all of Scotland.
Do you remove the old sealant?
Yes, always, and completely. New sealant will not bond properly to old, so any old material comes out before anything new goes in.
For landlords and businesses
Letting agents often deal with us directly. Tell us the address, the job and how access works and we will give you a quote.
Businesses can book us for washrooms, kitchens, offices and more. For commercial premises, we can talk through working times when we quote.
Towns and villages near Moor Park
What else we do in Moor Park
Frames and glazing around Moor Park
Compared with the north and west, the South East gets less rain, though outdoor sealant still has to go onto a dry joint, so the forecast decides the day. In a converted house or block, who looks after the windows depends on the lease, so it’s worth checking before booking.
In the older streets around Holy Trinity Church, frames set in older brick or stone need a sealant that suits the wall as well as the frame. As a London address, Moor Park can be tricky for parking: let us know about parking bays, permits or a driveway.
Moor Park is about 2 miles south-east of Rickmansworth, in Greater London. We carry out window mastic for homes and businesses in Moor Park and nearby. Moor Park is one of 764 towns and villages in Greater London where we work. Our London page covers work nearby, about 17 miles away.
Jobs for window mastic in HA6 and WD3 works the same way as everywhere else we cover. Whether your property is on Bedford Road, Ormonde Road and Russell Road or anywhere close by, we can help. Close by, we work in Batchworth Heath (1 mile west), Northwood (1 mile south-east), Eastbury (1 mile east), Batchworth (1 mile west) and Woodcock Hill (2 miles west). Within a short drive, we also cover City of Westminster (14 miles south-east), Marylebone (14 miles south-east), Kensington (13 miles south-east), St Pancras (15 miles south-east), Hampstead (12 miles south-east) and Ruislip (3 miles south).
Landmarks near Moor Park
In Moor Park, that means homes and buildings near Eastbury Farm Primary School, Rickmansworth School and King George V Playing Fields and the streets around them. The nearest railway station is Rickmansworth station, roughly 2.1 miles north-west. Other landmarks nearby include Mount Vernon Hospital (0.7 miles south-west) and Hilfield Castle (4.7 miles north-east). For a walk, there’s Dews Farm Sand Pits and Tumbling Bay.
Aftercare tips
Simple care keeps the joints in good condition. Our advice:
- Check the mastic once a year
- Keep timber frames painted
- Keep paint off silicone joints
- Wipe condensation off the frames
Have a look at the joints once a year, ideally after winter. Cracks and lifting edges are easy to spot early, and if anything looks wrong, just ring 0345 464 0079 or email us.
Look out for the warning signs: split or missing mastic, gaps, damp patches inside or black mould on the reveal. Any of these is worth a call.
What affects the quote in Moor Park
Call for a quick quote. The main things that affect it are:
- When we can work, for business premises
- The product the joint needs
- Whether old sealant or filler has to be cut out
- Whether there’s mould to deal with
No two jobs are quite the same, so we quote each one individually. The number of joints, how easy they are to reach and the sealant needed all make a difference, and we’ll explain the quote if you ask.
What to tell us for a quote
Before you ask for a quote, have a think about:
- Whether it has been sealed before
- Pictures of the joints, sent by email
- The type of property
- How many joints, rooms or windows are involved
We quote each job on its own. Simply phone 0345 464 0079 or drop us an email and describe the job.
Common problems we fix in Moor Park
Joint shape matters as much as the product. A thin smear across a wide gap has nothing to it, while a joint packed solid can’t stretch. That is what backing rod is for.
Most people get in touch after spotting something like this:
- Damp patches on the reveal after heavy rain
- Gaps between the frame and the inside reveal
- Mastic that has split away from the wall
- Black, perished sealant on frames
If you look after a building such as St Martins School Northwood, the mastic around its windows and doors needs looking after like any other building’s.
Questions to ask before booking
- Whether they seal over old material or remove it
- What insurance they hold
- What the cure time is
- How the surfaces are prepared before sealing
Surface by surface
Timber windows & doors
Soft or rotten wood cannot be sealed successfully. We will point out any rot we find, as that is a job for a joiner.
Window sills
The end joints of a sill tend to fail before the rest. We reseal them so rain can’t run into the wall.
How it works
When we get to you, we compare the joints with what we discussed. If anything is different, we explain it before carrying on. After that, the work takes a few hours for a handful of frames, longer for a whole house. Many London jobs are in flats, so we come ready for stairs, narrow hallways and shared entrances. If the building has a concierge, managing agent or access rules, tell us when you book.
- We check how each frame can be reached safely.
- Old, cracked mastic is removed completely, along with any loose debris.
- The surfaces are cleaned and left dry.
- Backing rod fills deep voids and the sealant goes in on top.
- The joint is shaped to shed water and the area tidied.
How to prepare
- Mention any tricky access
- Mention any parking rules near the property
- Mention any leaks or damp you’ve noticed
Getting a quote
To get a quote, ring 0345 464 0079 or drop us an email and tell us where the job is and what the problem looks like. We will give you a clear quote before any work starts.