Essex · England
Window & door mastic in Nounsley, Essex
Window and door frames in Nounsley need attention? We cut out the old, prepare the joints and apply the right sealant, with a one-year guarantee.
- Rain getting in at the frame or under the sill
- Cracked sealant at the sill ends
- Whistling draughts around closed windows
Window mastic in Nounsley, done properly
Every window and door frame has a gap around it, and mastic is what closes it. Once that seal fails, wind and rain find the gap. Our applicators cut it out and replace it with a flexible, weatherproof sealant. If you have whistling draughts around closed windows and a bead that doesn’t match the frame, we can put it right.
Outdoor sealant needs dry, clean surfaces, so work on frames around Nounsley is planned for dry weather. Let us know about access to all the frames, upstairs ones included.
You are covered for a year from the day we finish. If there’s a problem with it, please phone 0345 464 0079 or email us.

- Location
- Nounsley (CM3)
- Region
- Essex
- Guarantee
- One year on every job
- Quotes
- Quoted before any work starts
- Call
- 0345 464 0079
- Updated
- 26 October 2026
What we do, step by step
Before we leave, we go over the finished joints with you and explain the cure time. The visit itself generally takes anything from an hour or two to a full day, depending on how many frames there are, depending on how much there is to do. In a small place like Nounsley, access is generally the main thing to plan. If the job is outside, mention outbuildings, exposed walls and how to reach them.
- We start by checking each window and door with you.
- We remove the old mastic and clean the frame and the wall.
- Where gaps are deep, backing rod goes in first.
- New exterior sealant goes on in a matching colour and is tooled smooth.
- We clear up and check every joint is fully closed.
Getting ready for the visit
- Move anything stored near the joints
- Let us know about earlier repairs to the joints
- Tell us about access, such as stairs, a lift or high-level joints
Ask for a quote
A good description makes for an accurate quote. Tell us where the job is, what’s wrong and how much there is, and email photos if that’s easy.
Advice
What the job involves on each surface
Composite doors
A composite door usually sits in a plastic outer frame, and the joint around it is sealed like a window. The bead is colour-matched to the frame.
Aluminium frames
Bi-fold and sliding aluminium doors have long frame joints, and the bottom joint sees the most water. Each is cleaned, backed where deep and resealed.
FAQs for Nounsley
I let a flat near Hatfield Peverel station. Can you help?
Yes, landlords and agents are among the people we work for, and several properties can be quoted together. You can phone 0345 464 0079 or email us with the details for a clear quote.
Do you cover smaller places like Nounsley?
Yes, Nounsley is covered. We work across London and the South East, from towns to the smallest places. The journey is planned ahead, so it helps to know about access.
Can you seal over the old sealant?
No, it will not last. It may look fine at first, but the new bead soon lifts. The old sealant has to come out completely.
Can resealing stop a draught around my window?
In many cases. The gap between frame and wall is a common source of draughts, and resealing inside and out closes it.
Is the new sealant paintable?
That depends on the product. Silicone isn’t paintable, but some hybrid sealants are. Tell us if you are decorating and we will choose accordingly.
How many windows can you do in a day?
A few frames take a few hours, while a whole house takes longer. You’ll get a timescale with the quote.
Where is Mr Mastic based?
We work from Crawley. Our applicators cover Nounsley.
Do you do commercial work?
Yes, regularly. We can plan bigger jobs in stages to suit the site.
Places near Nounsley
Other services in Nounsley
How we quote for window mastic
Call for a quick quote. The main things that affect it are:
- Whether the work is at height
- Any mould that needs treating
- Which sealant suits the joint
- The size of the job
We do not show prices on the website, because the cost depends so much on the job itself. Call for a quick quote.
Asking for a quote
What to tell us when you ask for a quote:
- Photos by email, if that’s easy
- Whether it has been sealed before
- Any access issues, like height or stairs
- Where the job is, and your postcode
Need a quote? Please phone 0345 464 0079 or email us and tell us about the job. We’ll explain what we’d do and send you a clear quote before we start.
Honest limits
A few problems are outside what sealant work can do:
- A frame that has rotted at the joint
- Penetrating damp from a failed cavity tray or render
- A failed sealed unit that has misted up
If in doubt, ring 0345 464 0079 or drop us an email and we will say what we think before you book.
Surfaces we seal
- Timber windows & doors
- Patio & French doors
- uPVC windows
- Composite doors
- Aluminium frames
- Window sills
Landlord and commercial work in Nounsley
In hotels, rooms out of use cost money, so we plan the work room by room around your bookings where we can. We have worked in hotels as well as homes and businesses.
Failed sealant is one of the commonest items on a check-out report, and it’s easy to sort out between tenants. We can quote for more than one property at once.
Windows and doors in Nounsley
London and the South East are among the drier parts of the UK, yet outdoor joints still have to be sealed dry, so jobs are booked with the weather in mind. With historic houses such as Danbury Place (about 4 miles south-west) nearby, there’s older building stock in the area around Nounsley as well as newer homes. Where a home is older, older timber frames in brick or stone need a different approach from a modern uPVC window.
If you live in an older home near Parish Church of St Andrew, the windows may be timber, sash or later replacements, and each needs the right sealant against the wall. Managing a site like Hatfield Peverel Infant School? Then larger buildings have plenty of frames, and the mastic around each one ages.
Nounsley is about 3 miles south-west of Witham, in Essex. Our applicators cover window mastic for householders, landlords and businesses in Nounsley, as part of our work across Essex. Nounsley is one of 644 towns and villages in Essex where we work for window mastic. Chelmsford is on our list too, about 6 miles from Nounsley.
Every address in CM3 is within our area for window mastic. Whether your property is on Priory Mews, Ulting Road and Priory Farm Road or anywhere close by, our applicators can take on the job. Close by, we work in Ulting (1 mile south), Woodham Walter (2 miles south), Langford (2 miles east), Curling Tye Green (2 miles south-east) and Wickham Bishops (3 miles east). Further out, we also cover Colchester (15 miles north-east), Chelmsford (6 miles west), Basildon (15 miles south-west), Braintree (8 miles north), Maldon (4 miles south-east) and Billericay (12 miles south-west).
What’s near Nounsley
In Nounsley, that means homes and buildings near Maltings Academy and The Sportsmans Arms. The nearest railway station is Hatfield Peverel station, roughly 1.3 miles north-west. Well-known places in the area include Priory Hospital (5.3 miles west). For a walk, there’s Danbury Ridge Nature Reserves.
What happens if it’s left?
Running fresh sealant over the old joint is tempting, but it will not grip old, dirty sealant. It soon lifts and the leak carries on behind it. Proper resealing starts with removing the old joint. Around Nounsley, older homes often have timber in their floors and frames, and water through a failed joint can rot timber if it’s left.
Doing several joints on one visit usually makes better use of the time than several visits, so tell us about everything that needs sealing. You will get one clear quote for the whole job.
Why Nounsley customers choose us
- More than 20 years in sealant work
- Anti-fungal sanitary silicone in wet areas
- Sealant colour chosen to suit
- You choose the colour before work begins
When to call us in Nounsley
Some failures date back to when the windows were fitted. Mastic laid onto dusty, damp or crumbling surfaces didn’t grip properly, and it lets go sooner than it should.
These are the problems we are asked about most:
- Gaps between the frame and the inside reveal
- Cracked or shrunken mastic around the frame
- Water coming in at the bottom corners of a door
- Draughts coming in around windows and doors
If you let a flat or house near Hatfield Peverel station, cracked frame mastic tends to show up as a draught or damp complaint, so it’s worth checking between lets.
What to look for in a quote
- How long to leave it before use
- How long the guarantee is
- Whether the sealant suits the joint
- Who does the work, and how experienced they are
