Essex · England
Roxwell Sand Mastic
Our applicators work in Roxwell on traditional burnt sand mastic around sash and case windows and doors in stone and brick. Old material cut out, joints cleaned and sealed neatly and a 12-month guarantee.
- Old cement repairs round a window that have failed
- Crumbling sand mastic round a window
- Silicone on a period window that looks wrong
About our sand mastic in Roxwell
A silicone bead around a sash window can look out of place and is not always the right material. Sand mastic is the traditional choice and we can swap the silicone for it. If you are dealing with mastic that needs renewing before redecorating and gaps where the frame meets the masonry, we can help.
Around Roxwell, 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.
Each job carries a 12-month guarantee, large or small.
- Place
- Roxwell (CM1)
- Region
- Essex
- Guarantee
- One year on every job
- Quote
- Quoted before any work starts
- Call
- 0345 464 0079
- Last updated
- 26 October 2026
Frames and glazing around Roxwell
With historic houses such as Hylands (about 3.5 miles south-east) nearby, there’s older building stock in the area around Roxwell as well as newer homes. Where a home is older, older frames set in brick or stone need a sealant that suits them, and sometimes that is 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.
For an older house near a landmark such as Church of St Michael and All Angels, frames set in older brick or stone need a sealant that suits the wall as well as the frame. Rented homes near Chelmsford station change hands often, and older sash windows in a rental need their mastic kept sound to keep the weather out.
Roxwell is about 4 miles west of Chelmsford, in Essex. Across the CM1 area, we can carry out sand mastic at your property. Our area takes in 644 places across Essex, from the larger towns to small villages.
Every address in CM1 is covered for sand mastic, from the main roads to the quietest streets. Sand mastic is available to properties on The Street, Church Green and St Michael's Drive and the roads around them. Neighbouring places we cover for sand mastic include Boyton Cross (1 mile north-east), Newney Green (1 mile south), Chalk End (2 miles north-west), Shellow Bowells (2 miles west) and Radley Green (2 miles south-west). We also work in nearby towns such as Chelmsford (4 miles east), Basildon (13 miles south), Braintree (12 miles north-east), Harlow (12 miles west), Brentwood (9 miles south) and Maldon (13 miles east).
What’s near Roxwell
Around Roxwell, our work takes us to homes and buildings near The Chequers Inn and the streets around them. For rail, the closest station is Chelmsford station, roughly 3.8 miles east of the centre. Nearby you’ll also find Willingale Doe (2.8 miles west) and Peter Edwards Museum And Library (3.9 miles east). Not far away are Newland Grove.
Why it’s worth doing now in Roxwell
New sash windows are a major, costly change, and in listed buildings it may need consent. If the frames are sound, renewing the mastic deals with gaps and draughts at the surround. Around Roxwell, older homes often have timber in their floors and frames, and water through a failed joint can rot timber if it’s left.
Rather than a set price list, we look at what your job involves: how many joints, what’s in them now and how we reach them. You will know the price before we begin.
Why Roxwell customers choose us
- An ARBOMaster approved applicator
- Fully insured
- More than 20 years in sealant work
- Rated 4.9 stars on Google
See what affects the cost and what customers say.
Can I do it myself?
A careful DIYer can reseal a simple joint, 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.
Not every job suits DIY: work at height, external movement joints, fire-rated sealant and large areas need the right product, the right access and the right method.
Different surfaces, different methods
Stone surrounds
Stone surrounds suit sand mastic well. The finish blends with the masonry.
Period and listed homes
Many older homes were built with sand mastic round the windows. On listed buildings, check with your planning authority first.
Aftercare tips
After the cure time, these simple habits help:
- Renew mastic before redecorating the windows
- Check with your local planning authority if your home is listed
- Make sure water runs off the sill
- Ask us before painting near the mastic
Do not touch or press the mastic while it hardens. It skins over quickly but needs longer to fully harden.
Good mastic helps keep the frame dry. Failed mastic lets water reach the timber, which can lead to rot.
Questions from Roxwell
Do you cover Roxwell for sand mastic?
Yes. Our work covers London and the South East, and Roxwell is part of that. Just phone 0345 464 0079 or email us with a few details of the job, and we will give you a clear quote.
Do you cover smaller places like Roxwell?
Yes. Roxwell is within the area we cover, which takes in towns, villages and rural addresses. Our work covers London and the South East. Let us know about access, parking and anything unusual about getting there when you book.
Do I need permission for sand mastic on a listed building?
Checking first is sensible. Your local planning authority can say if consent is needed for work on a listed home or in a conservation area.
Can tenants book the work?
Yes. Ask your landlord first, and we can send them the quote if that helps.
Will the old sealant be removed?
Always. Sealing over old sealant is the main reason resealing fails early, so we never do it.
How long will you be here?
It depends on the size of the job, but most jobs take a few hours for a single window, longer for several. We will give you a better idea when we quote.
Can you quote for more than one area?
Yes. Just list everything you need and you will get one quote.
Can I choose the sealant colour?
We help you choose a colour that suits. The choice depends on the product the joint needs.
How it works
Good joint work is mostly preparation, and we do not rush it. Joints are cleaned back and dried before anything new goes in. All told, the work takes a few hours for a single window, longer for several. In a small place like Roxwell, access is generally the main thing to plan. If the job is outside, mention outbuildings, exposed walls and how to reach them.
- 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.
- New sand mastic is applied and shaped by hand.
- The finish is dressed neatly.
Preparing for the visit
- Keep children and pets away from the work area
- Mention any leaks or damp you’ve noticed
- Mention any tricky access
Getting a quote
For a quote, phone 0345 464 0079 or drop us an email and tell us where the job is and what the problem looks like. You’ll have a clear quote before any work starts.
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What affects the cost of sand mastic
You will get a clear quote before work begins. It’s based on:
- Whether there’s mould to deal with
- Whether old sealant or filler has to be cut out
- Which sealant suits the joint
- Any working-time requirements on site
Homes and businesses are quoted the same way: the amount of work, the access and the products needed, along with when we can work on site. Ask us for a quote and we will go through it with you.
Asking for a quote
When you contact us, it’s useful to know:
- The address or postcode of the job
- The type of property
- Photos by email, if that is easy
- What’s wrong with the joints now
Want a quote for sand mastic? Please ring 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.
Towns and villages near Roxwell
More services for Roxwell
Landlords, agents and businesses in Roxwell
Whether it’s one flat or a portfolio, the work is the same standard: the old material taken out, careful preparation and a 12-month guarantee.
Letting agents and landlords in Roxwell can book us as well as homeowners. Resealing between tenancies is a simple way to keep a property in good order before the next move-in.