Essex · England
Sand Mastic in Sheering
Traditional burnt sand mastic around sash and case windows and doors in stone and brick for homes and businesses in Sheering and across Essex. Fully insured, ARBOMaster approved and guaranteed for a year.
- Weathered mastic on the most exposed windows
- Mastic that needs renewing before redecorating
- Silicone on a period window that looks wrong
Your questions about sand mastic in Sheering
Will you come out to Sheering?
Yes, smaller places are covered as well as towns. Our work covers London and the South East. Let us know about access, parking and anything unusual about getting there when you book.
Can you do sand mastic in Sheering?
Yes. Our work covers London and the South East, and Sheering is part of that. You can ring 0345 464 0079 or send us an email and tell us what needs doing.
Do you remove the old sealant?
Yes, always, and completely. New silicone doesn’t stick to old silicone, so the joint is cleaned back first.
What does sand mastic cost?
There’s no set price, as it depends on the job: how much there is, what’s there now, how we reach it and what it needs. You will get a clear quote before work begins.
Should I use sand mastic or silicone?
Sand mastic usually suits period timber windows best. On modern frames, we’d normally use a flexible sealant.
How long does the job take?
As a guide, most jobs take a few hours for a single window, longer for several. Larger jobs naturally take longer.
Where is Mr Mastic based?
Mr Mastic is based in Crawley. Our applicators cover Sheering, along with the rest of our area.
Will it make a mess?
No. We work neatly, protect the area around the joints and tidy up afterwards.
Sand mastic in Sheering, done properly
On many period windows, sand mastic looks right and suits the building. On modern frames we’d normally use a flexible sealant, and we’ll talk through which suits your home. We work on timber door frames, sash and case windows and brick reveals, and common reasons people get in touch are mastic dropping out of the joint and draughts and rain around sash boxes.
Around Sheering, many homes face open ground, so their windows and doors take the full weather. That exposure dries out and cracks the mastic around frames and sills faster.
The work is guaranteed for twelve months. If something isn’t right with it in that time, tell us and we will put it right.
- Where
- Sheering (CM22)
- Region
- Essex
- Guarantee
- One year on every job
- Quote
- A clear price before we start
- Phone
- 0345 464 0079
- Page updated
- 26 October 2026
Places near Sheering
Also in Sheering
Keeping the joints in good condition
Looking after new joints is easy, and it makes a real difference:
- Look over the window mastic once a year
- Renew mastic before redecorating the windows
- Go gently near the mastic when preparing windows
- Find out about consent before window work on a listed home
Make sure water drains away from the window surround. Constant wetting wears the mastic faster.
Gaps round a sash box let in draughts and rain. The longer it’s left, the more the joint opens as more mastic falls out.
Do you need sand mastic in Sheering?
Paint, silicone or cement used over old mastic causes problems. They do not move with the timber and we normally remove them.
Common reasons people contact us include:
- Failed mastic on an exposed elevation
- Mastic that needs renewing before redecorating
- Old cement repairs round a window that have failed
- Modern sealant on a period surround
For an older house near a landmark such as Parish Church of St Mary the Virgin, replacement windows fitted into old openings often leave uneven gaps that need backing and a flexible joint.
Before booking anyone
- What happens if they find a problem under the old sealant
- What product goes in the joint
- Is the old sealant removed completely?
- What the quote includes, VAT included or not
What happens on the day
The work is kept neat and contained to the joints we’re treating, so you can get on with your day. Expect the work to take anything from a few hours to a full day, depending on how many windows, and we tell you how long to leave it before we go. Somewhere like Sheering needs a little journey planning: tell us about narrow lanes, gates, long drives and where we can park. Everything for the job comes with us, so a second trip is avoided where possible.
- We check each window surround and the condition of the joint.
- We rake out the old mastic and clean the joint.
- Large voids are packed out.
- New sand mastic is applied and shaped by hand.
- The finish is dressed neatly.
How to prepare
- Clear the area around the work
- Let us know if you’ve seen damp or leaks
- Mention any sign-in or site rules at work premises
Getting a quote
To get a quote, call 0345 464 0079 or drop us an email with the location and a short description of the problem. We will send you a clear quote before any work starts.
Related advice
What affects the quote in Sheering
Your quote is based on your job. We look at:
- The size of the job
- Any working-time requirements on site
- Whether the work is at height
- The type of sealant required
Rather than a set price list, we look at what your job involves: the amount of work, the old material and the access. The price is agreed before we begin.
What we need to know
There’s no need for technical detail. It helps if you can tell us:
- What the problem is, such as mould, gaps, leaks or cracking
- Whether it’s a home or a business
- How we’d reach the joints
- Where the job is, and your postcode
Want a quote for sand mastic? Please phone 0345 464 0079 or send us an email with a few details. You’ll know what we plan to do, and what it will cost, before any work begins.
Landlords, agents and businesses in Sheering
From a single let to a portfolio, you get the same standard of work: the old material taken out, careful preparation and a 12-month guarantee.
Failed sealant is one of the commonest items on a check-out report, and it’s quick to put right between tenancies. Several properties can go on one quote.
What the job involves on each surface
Brick reveals
Brick reveals round timber windows are often pointed with sand mastic. It suits older brickwork.
Sash and case windows
On a sash window, the mastic joint shows on the outside, so a neat, even finish matters.
What sand mastic looks like in Sheering
Historic houses like Barrington Hall (about 3.5 miles north-east) are a reminder that the area around Sheering has older buildings as well as new. In older buildings, older frames set in brick or stone need a sealant that suits them, and sometimes that is traditional sand mastic. 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.
For site and facilities teams at buildings such as Hatfield Heath Primary School, its window and door frames need their mastic kept sound, just like a home’s. If you let a flat or house near Sawbridgeworth station, older sash windows in a rental need their mastic kept sound to keep the weather out.
Sheering is about 4 miles north-east of Harlow, in Essex. Homes, rented property, offices and hotels in Sheering is covered for sand mastic, old or new, large or small. Every job comes with our 12-month guarantee. 644 places in Essex are on our list. Our Chelmsford page covers work nearby (14 miles or so).
All of CM22 is within our area for sand mastic, from the main roads to the quietest streets. We cover properties on The Street, High Pastures and The Plashets. Close by, we work in Lower Sheering (1 mile west), Sawbridgeworth (2 miles west), Gaston Green (2 miles north), Little Hallingbury (2 miles north) and Spellbrook (2 miles north-west). We also work in nearby towns such as Chelmsford (14 miles east), Harlow (4 miles south-west), Brentwood (13 miles south-east), Loughton (12 miles south-west), Saffron Walden (15 miles north) and Waltham Abbey (11 miles south-west).
Near you in Sheering
We work in homes and buildings around The Crown Inn, Gibberd Garden and Leventhorpe and the streets around them. Sheering’s nearest station is Sawbridgeworth station, roughly 1.2 miles north-west of the centre. Other landmarks nearby include Harlow Mill (2.6 miles west) and Herts and Essex Hospital (4.3 miles north). Green spaces nearby include Portingbury Hills and Sawbridgeworth Marsh.
Why act early in Sheering
Filling over old, loose mastic doesn’t last. We remove the loose material first so the new work lasts. Where a wall is exposed, as many are in small places like Sheering, wind-driven rain gets into any failed joint, and damp in older walls is slow to dry out.
Some things make a job bigger or smaller: how much old sealant there is and how stubborn it is, whether mould needs treating, and whether we need extra access for height. Your quote takes all of that into account.
Why book with us
- An ARBOMaster approved applicator
- We are fully insured
- Any old sealant cut out fully, not covered over
- Sanitary silicone with an anti-fungal additive in wet areas
Read what affects the cost or our reviews.