Essex · England
Hastingwood Window Mastic
We cover Hastingwood 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.
- Draughty joints inside around the window
- Rushed sealant from a window installation
- Hard, cracked sealant around windows
Window mastic in Hastingwood
Around Hastingwood we seal all kinds of frames: uPVC, aluminium, timber and composite, along with patio doors, French doors and sills. The sealant is chosen to suit the frame material and the wall. If you have damp patches on the reveal after heavy rain and draughty joints inside around the window, we can put it right, whatever the surface.
Around Hastingwood, many homes face open ground, so their windows and doors take the full weather. Exposed frames and sills lose their mastic sooner than sheltered ones.
Your job is guaranteed for a year, as with all our work.

- Where
- Hastingwood (CM17)
- Wider area
- Essex
- Cover
- One year on every job
- Quotes
- Quoted before any work starts
- Telephone
- 0345 464 0079
- Last updated
- 26 October 2026
How the visit works
A visit follows a simple pattern: we look at the joints together, mask and protect the surrounding surfaces, do the work and tidy away. Most jobs take anything from an hour or two to a full day, depending on how many frames there are. In a small place like Hastingwood, access is generally the main thing to plan. If the job is outside, mention outbuildings, exposed walls and how to reach them.
- Each frame is looked over and we agree which ones need resealing.
- The old mastic is cut out and scraped back to clean surfaces.
- Deep gaps get closed-cell backing rod to set the depth.
- The new sealant goes on in white, brown, anthracite grey, black or clear to suit.
- Every joint is tooled smooth and checked before we leave.
How to prepare
- Keep children and pets away from the work area
- For business premises, tell us about site rules or sign-in
- Let us know if you’ve seen damp or leaks
Ask for a quote
Every job is quoted individually. Just call 0345 464 0079 or email us with the details and send photos if you have them.
Read more
When it is not the sealant
A few problems are outside what sealant work can do:
- A sash or casement that will not close properly
- Damp coming through the wall itself rather than the frame joint
- Soft or decayed wood in the frame
If you are not sure, just ring 0345 464 0079 or drop us an email and we’ll give you a straight answer before you book.
Surfaces we seal
- Composite doors
- uPVC windows
- Patio & French doors
- Aluminium frames
- Timber windows & doors
- Window sills
Surface by surface
Composite doors
An exposed front door gets wind-driven rain, and the top and bottom corners tend to fail first. Those corners get the most care.
uPVC windows
We clean the frame edge carefully so the plastic is not marked, then the sealant goes in between frame and wall.
Also near Hastingwood
More services for Hastingwood
FAQs for Hastingwood
Is Hastingwood in your area for window mastic?
Yes. Our work covers London and the South East, and Hastingwood is part of that. Just ring 0345 464 0079 or send us an email with a few details of the job, and we will send you a clear quote.
I let a flat near Harlow Mill station. Can you help?
Yes. We work for landlords and agents as well as homeowners. Just phone 0345 464 0079 or drop us an email with the address and what needs doing, and we will give you a clear quote.
Should I try DIY first?
That depends on the joint. Work at height, movement joints, fire-rated gaps and large areas are best left to a professional, while a short indoor joint may be within reach.
Do you seal inside as well as outside?
Yes, we do both. Indoors, we seal between the frame and the plaster or reveal.
When is the sealant fully cured?
Most sealants are touch-dry well before they’re fully cured. We’ll give you the cure time for the product we used before we leave.
Do you do commercial work?
Yes. We can plan bigger jobs in stages.
Can new window sealant be painted?
Most silicone can’t be painted. If you plan to paint, tell us first and we can use a paintable sealant where it suits the joint.
Where are you based?
Our base is in Crawley, and we cover South East England, London and all of Scotland.
Work for landlords, hotels and businesses
Letting agents often deal with us directly. Send the address, what’s needed and the access arrangements and we’ll quote.
Water getting past a failed joint can damage the building, which is a bigger problem in a rented property. Keeping joints in good order is simple maintenance that we can handle for you.
What window mastic looks like in Hastingwood
Compared with the north and west, the South East gets less rain, but outside sealant still needs a dry, clean surface, so outdoor work is planned around the forecast.
For site and facilities teams at buildings such as Henry Moore Primary School, the mastic around its windows and doors needs looking after like any other building’s. In the older streets around Church of St Mary Magdalene, frames set in older brick or stone need a sealant that suits the wall as well as the frame. For landlords with property near Harlow Mill station, renewing tired window mastic between tenants heads off draught and damp complaints.
Hastingwood is about 2 miles south-east of Harlow, in Essex. We provide window mastic to homeowners, landlords and businesses in Hastingwood and the surrounding area, as part of our work across Essex. Our Essex coverage runs to 644 places, and Hastingwood is one of them. There’s also a page for Chelmsford, roughly 14 miles from Hastingwood.
Every address in CM17 is within our area for window mastic. We cover properties on Hastingwood Road, Hazlewood Park and Mill Street. We also cover Foster Street (1 mile north), Magdalen Laver (1 mile east), Latton (2 miles north-west), Newhall (2 miles north-west) and Bush Fair (2 miles west). Further out, we also cover Chelmsford (14 miles east), Brentwood (11 miles south-east), Billericay (14 miles south-east), Loughton (8 miles south-west), Waltham Abbey (7 miles south-west) and Great Dunmow (12 miles north-east).
Around Hastingwood
Typical jobs here are in homes near The Rainbow And Dove Public House, Brays Grove and Passmores Academy, among other places. The nearest railway station is Harlow Mill station, roughly 3 miles north of the centre. Well-known places in the area include Mark Hall Cycle Museum (2.4 miles north-west) and Harlow Mill (3.1 miles north). Green spaces nearby include Gernon Bushes.
How we quote for window mastic
There’s no set price list, because no two jobs are the same. What we look at:
- The size of the job
- When we can work, for business premises
- How easy the joints are to reach
- Whether there’s mould to deal with
Instead of a standard rate, we price the job in front of us: how many joints, what’s in them now and how we reach them. The price is agreed before we begin.
Asking for a quote
To help us quote quickly, please include:
- How many joints, rooms or windows are involved
- Whether it’s a home or a business
- Pictures of the joints, sent by email
- The problem you’ve noticed
Quotes start with a quick conversation. Describe the problem, the location and the size of the job. When it suits you, phone 0345 464 0079 or email us.
What happens if it’s left?
Draughts and leaks don’t always mean new windows. If the frames and glass are in good order, resealing the joints is often all that is needed. Problems with the glass or gaskets are for a window company, and we will say so. Around Hastingwood, older homes often have timber in their floors and frames, and water through a failed joint can rot timber if it’s left.
No two jobs are quite the same, so each one gets its own quote. Size, access and the product the joint needs all play a part.
What you get with us
- Tidy, careful work
- Experience in homes, commercial sites and hotels
- Anti-fungal sanitary silicone in wet areas
- Rated 4.9 stars on Google
Read how sealant jobs are priced or our reviews.
DIY versus a professional finish
Some jobs are best left to a professional: work at height, external movement joints, fire-rated sealant and large areas call for the right materials, safe access and experience.
A DIY attempt doesn’t rule out a professional job. We remove it and do the joint properly.
