Essex · England
Sand mastic for sash & case windows in Young's End, Essex
Traditional burnt sand mastic around sash and case windows and doors in stone and brick for homeowners, landlords and businesses in Young's End. Fully insured, ARBOMaster approved and guaranteed for a year.
- Crumbling sand mastic round a window
- Mastic that needs renewing before redecorating
- Failed mastic on an exposed elevation
Landlords, agents and businesses in Young's End
Letting agents often deal with us directly. Tell us the address, the job and how access works and we will quote.
A neglected joint can let water reach the structure, which matters even more when someone else lives there. Resealing at the right time is simple maintenance.
About our sand mastic in Young's End
Old sand mastic cracks, crumbles and falls out over time and gaps open up round the frame. We rake it out and renew it and tidies the surround. Typical jobs include weathered mastic on the most exposed windows and a silicone bead on a sash window that spoils the look, on stone surrounds, period & listed homes and tenement windows.
Mastic can only go onto a dry, clean joint, so window work in Young's End is booked around the forecast. Tell us about access to every side of the house, including upper-floor windows.
You are covered for a year from the day we finish. If anything is not right with it, call 0345 464 0079 or send us an email.
- Location
- Young's End (CM77)
- Region
- Essex
- Cover
- A year, on every job
- Quotes
- A clear quote up front
- Call
- 0345 464 0079
- Updated
- 26 October 2026
How it works
When we get to you, we compare the joints with what we discussed. If we find something unexpected, we talk it through with you first. After that, the work takes anything from a few hours to a full day, depending on how many windows. Somewhere as small as Young's End, access is often the only tricky part. If the job is outside, mention outbuildings, exposed walls and how to reach them.
- We start by checking each surround and agreeing the joints to renew.
- Old, loose mastic is raked out and the joint cleaned.
- We pack any deep gaps so the mastic sits at the right depth.
- Sand mastic is mixed and applied by hand, then shaped to the joint.
- The mastic is finished to sit tidily against the stone or brick.
Before we arrive
- Tell us about access, such as stairs, a lift or high-level joints
- For indoor joints, keep the area dry beforehand if you can
- On commercial sites, let us know about site rules
Getting a quote
Quotes start with a quick conversation. Tell us what’s wrong, where it is and how much there is, and we will explain how we’d tackle it. Whenever you’re ready, call 0345 464 0079 or drop us an email.
Advice
Questions from Young's End
Will you come out to Young's End?
Yes, smaller places are covered as well as towns. We work across London and the South East. Let us know about access, parking and anything unusual about getting there when you book.
Can you help a landlord with a rental near Cressing station?
Yes, we work for landlords and agents. Just call 0345 464 0079 or drop us an email and tell us about the property, and we’ll give you a clear quote.
Can sand mastic be painted?
The usual advice is to leave sand mastic unpainted. If you are redecorating the window, ask us first and we will advise.
Where do you work from?
We are a Crawley-based firm, with over 20 years’ experience. We work across South East England, London and Scotland.
Do I need permission for sand mastic on a listed building?
Your local planning authority is the one to ask. They decide whether consent is needed.
Do you remove the old sealant?
Yes. All of the old material is cut out and the joint cleaned before applying anything new.
Is it OK to seal over old sealant?
No. Fresh sealant does not stick to old sealant, and it traps any mould or water underneath. We remove it all first.
Is sand mastic better than silicone for my windows?
It depends on the window. On many period windows, sand mastic looks right and suits the building, while modern frames normally get a flexible sealant.
Towns and villages near Young's End
Other services in Young's End
What we can’t put right
A few problems are outside what sealant work can do:
- Sashes that rattle, stick or won’t open
- Broken panes
- Masonry that needs repairing
If in doubt, phone 0345 464 0079 or email us and we will say what we think.
What we seal
- Sash and case windows
- Period & listed homes
- Brick reveals
- Tenement windows
- Stone surrounds
- Timber door frames
Can I do it myself?
Some sealant jobs are within reach of a careful DIYer, like a short, easy-to-reach joint indoors. The common mistakes are sealing over old sealant, sealing a damp joint and using far too much.
If you do try it yourself, take your time over the preparation: remove every trace of old sealant, clean and dry the joint, and follow the product’s cure time. If it doesn’t work out, we can still put it right.
Frames and glazing around Young's End
Rainfall in the South East is lower than in much of the UK, yet outdoor joints still have to be sealed dry, so jobs are booked with the weather in mind.
For site and facilities teams at buildings such as White Court School, larger buildings have plenty of frames, and the mastic around each one ages. If you let a flat or house near Cressing station, cracked sand mastic around sash windows lets in the draughts tenants complain about.
Young's End is about 3 miles south-west of Braintree, in Essex. Every kind of property in Young's End is covered for sand mastic, old or new, large or small. The work is guaranteed for a year. Young's End is one of 644 towns and villages in Essex we cover. You can also see our page for Chelmsford, roughly 8 miles from Young's End.
Every address in CM77 is within our area for sand mastic, from the main roads to the quietest streets. Close by, we work in Row Green (1 mile north-east), Gubbion's Green (1 mile south), Great Notley (1 mile north), Great Leighs (1 mile south-west) and Little Common (2 miles north-west). We also work in nearby towns such as Chelmsford (8 miles south), Braintree (3 miles north-east), Maldon (11 miles south-east), Witham (6 miles south-east), Camulodunum (15 miles east) and Halstead (8 miles north-east).
Near you in Young's End
Locally, jobs take us to homes and businesses close to Cuckoo Wood, Notley High School and Braintree Sixth Form and The Green Dragon pub. The nearest railway station is Cressing station, roughly 2.4 miles east. Well-known places in the area include Tudor House Museum (Braintree) (3.3 miles north-east) and William Julien Courtauld Hospital (2.2 miles north-east). For a walk, there’s Phyllis Currie Nature Reserve.
What happens if it’s left?
An open joint round the frame lets weather in. Water can get to the frame and the masonry so renewing it early protects the window. Around Young's End, older homes often have timber in their floors and frames, and water through a failed joint can rot timber if it’s left.
Commercial jobs are quoted on the same basis as homes: the amount of work, the access and the products needed. Call for a quick quote and we’ll explain what it covers.
What you get with us
- Anti-fungal silicone where joints get wet
- Trusted Arbo and Everbuild sealants
- Any old sealant cut out fully, not covered over
- Neat joints and a tidy finish
Take a look at what affects the cost or what customers say.
Looking after it afterwards
Good habits help new joints last longer. A few tips:
- Inspect the joints round the windows every year or so
- Ask a joiner to look at soft timber first
- Find out about consent before window work on a listed home
- Take care around the mastic when scraping paint
Leave the new mastic unpainted, as traditional guidance advises. If you are redecorating, ask us first.
It’s best to renew mastic before painting the windows. Painting over failed mastic hides the problem for a while.
How the job changes by surface
Timber door frames
Sand mastic is used round timber door frames too. The method is the same as for windows.
Stone surrounds
The stone is treated with care while raking out the old mastic.