Essex · England
Sand mastic for sash & case windows in Tilty, Essex
We cover Tilty for traditional burnt sand mastic around sash and case windows and doors in stone and brick. Old material cut out, joints cleaned and sealed neatly.
- Crumbling sand mastic round a window
- Gaps where the frame meets the masonry
- Weathered mastic on the most exposed windows
How the job changes by surface
Stone surrounds
Sand mastic sits naturally against stone. It finishes to look like part of the surround.
Sash and case windows
Most of our sand mastic work is on sash windows. Each joint round the box is raked out and renewed.
Sand mastic in Tilty, done properly
Across Tilty, we renew sand mastic around sash and case windows. Each joint is raked out, prepared and pointed by hand, finished to suit the masonry. Typical jobs include cracked mastic round a front door frame and failed mastic on an exposed elevation, on period & listed homes, tenement windows and stone surrounds.
Around Tilty, 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.
- Location
- Tilty (CM6)
- Wider area
- Essex
- Cover
- 12 months on all our work
- Price
- Quoted before any work starts
- Telephone
- 0345 464 0079
- Last updated
- 26 October 2026

Landlord and commercial work in Tilty
Hotels need rooms back in use, so we plan the work room by room around your bookings where we can. Hotel work is part of what we do, alongside homes and businesses.
We also work for property managers and facilities teams in Tilty and across Essex. Several sites can be quoted together, and we’re fully insured.
How to look after the new joints
How long the joints last depends on use and care. Here’s what we suggest:
- Find out about consent before window work on a listed home
- Look over the window mastic once a year
- Go gently near the mastic when preparing windows
- Get any rot dealt with first
Leave the new mastic unpainted, which is the traditional advice. Ask us before any decorating around it.
Fine cracks show the mastic is starting to fail. Renewing it then is simpler than waiting until it falls out.
Towns and villages near Tilty
What else we do in Tilty
Tilty: your questions answered
I let a flat near Stansted Airport station. Can you help?
Yes, we work for landlords and agents. You can call 0345 464 0079 or drop us an email with the address and a few details, and we will give you a fixed price before we start.
Is Tilty in your area for sand mastic?
Yes. Our work covers London and the South East, and Tilty is part of that. You can call 0345 464 0079 or email us and let us know what needs doing, and we will send you a clear quote.
Will the old sealant be removed?
Yes, always, and completely. New silicone does not stick to old silicone, so the joint is cleaned back first.
Can old silicone round a sash window be swapped for sand mastic?
Often, yes. Once the silicone is out and the joint prepared we point it with sand mastic.
Can I choose the sealant colour?
Normally, yes. Sealants come in white, clear, grey and other colours for many products, and we agree the colour with you before work begins.
Can new sealant go over the old?
No. New silicone won’t bond to old silicone, and anything trapped underneath, including mould and water, stays there. It all has to come out first.
Are you ARBOMaster approved?
Yes. Mr Mastic is an ARBOMaster approved applicator.
What guarantee comes with the work?
There’s a 12-month guarantee on every job.
What affects the quote in Tilty
The quote reflects the job in front of us. We take into account:
- Mould in or behind the old joints
- The number of rooms or windows
- The amount of work
- Whether the work is at height
A few things move the cost up or down: how much old sealant there is and how stubborn it is, any mould to treat, and whether the work is at height. We take all of that into account in your quote.
Helping us quote
There’s no need for technical detail. It helps if you can tell us:
- Access, such as stairs, a lift or height
- What’s wrong with the joints now
- A few pictures by email, if you can
- Roughly how big the job is
Getting a quote is simple: let us know the job and the location and its rough size. Photos by email help us understand the job, and we will come back to you with a quote.
DIY versus a professional finish
The difference is mostly in the preparation and the product. Joints are cleaned back to sound surfaces and dried, and the sealant is chosen for how the joint moves and where it is.
Too much sealant is as bad as too little. A thick, smeared bead looks untidy and does not move well, and getting the depth right matters as much as the look.
What we do, step by step
Most of a good job is in the preparation, so that is where we spend the time. Every joint is cleaned and dried before new material goes in. All told, the work takes a few hours for a single window, longer for several. In a small place like Tilty, access is usually the main thing to plan. For outside work, also let us know about exposed walls and any outbuildings involved.
- We check each window surround and the condition of the joint.
- We rake out the old mastic and clean the joint.
- We fill deep gaps so the new mastic isn’t too thick.
- We point the joint with sand mastic by hand.
- The finish is dressed neatly.
Getting ready for the visit
- For indoor joints, keep the area dry beforehand if you can
- Mention any tricky access
- Clear the area around the work
Get a quote
Quotes start with a quick conversation. Describe the problem, the location and the size of the job, and we’ll talk you through what we’d do. Whenever you’re ready, call 0345 464 0079 or drop us an email.
Read more
When it is not the sealant
It helps to know what we can’t do:
- Sash cords, weights and draught-proofing of the sashes
- Timber that has rotted
- Decisions on consent for listed homes
If you’re not sure, just ring 0345 464 0079 or drop us an email and we will give you a straight answer before you book.
Surfaces we seal
- Timber door frames
- Brick reveals
- Stone surrounds
- Sash and case windows
- Tenement windows
- Period & listed homes
Frames and glazing around Tilty
Historic houses like Horham Hall (about 2 miles north) are a reminder that the area around Tilty has older buildings as well as new. Where a home is older, older frames set in brick or stone need a sealant that suits them, and sometimes that’s traditional sand mastic. The South East is one of the drier parts of the UK, yet outdoor joints still have to be sealed dry, so jobs are booked with the weather in mind.
Rented homes near Stansted Airport station change hands often, and any sash windows need sound mastic to keep draughts and rain out. For an older house near a landmark such as Church of St Mary the Virgin, the joint between an old wall and a newer frame is usually the first place rain gets in.
Tilty is about 3 miles north-west of Great Dunmow, in Essex. Jobs in Tilty get the same care as everywhere else we work: old sealant removed completely, careful preparation and a one-year guarantee. Across Essex, we cover 644 places, Tilty among them. Our Chelmsford page covers work nearby, about 14 miles away.
Every address in CM6 is within our area for sand mastic. If you are just outside Tilty, we cover Duton Hill (1 mile north-east), Great Easton (1 mile south-east), Chickney (1 mile west), Sibley's Green (2 miles north-east) and Monk Street (2 miles north-east). Larger places within reach include Chelmsford (14 miles south-east), Braintree (10 miles east), Harlow (13 miles south-west), Witham (15 miles south-east), Saffron Walden (8 miles north-west) and Halstead (13 miles east).
Local landmarks in Tilty
In Tilty, that means homes and buildings near The Rising Sun Public House and the streets around them. The nearest railway station is Stansted Airport station, roughly 3.2 miles south-west. A little further out are Little Easton Moat (1.8 miles south). For a walk, there’s West Wood.
