Thurrock · England
Grays Sand Mastic
Traditional burnt sand mastic around sash and case windows and doors in stone and brick in Grays, with a 12-month guarantee on every job. Ask us for a quote.
- Gaps where the frame meets the masonry
- Mastic dropping out of the joint
- Cracked mastic round a front door frame
Sand mastic for homes and businesses in Grays
If your home is listed or in a conservation area, check with your local planning authority if consent is needed before window work. Sand mastic is often favoured as a like-for-like material. Common call-outs are for mastic that needs renewing before redecorating and old cement repairs round a window that have failed, across period & listed homes, tenement windows and timber door frames.
Walls in Grays that face the prevailing wind take the most weather, so the mastic there tends to fail first. Checking every frame, not just the obvious one, is time well spent.
The work is guaranteed for twelve months. If there’s a problem with our work within the year, let us know and we’ll sort it.
Keeping the joints in good condition
Looking after new joints is easy:
- Leave the new mastic unpainted
- Don’t run silicone over sand mastic
- Get any rot dealt with first
- Inspect the joints round the windows every year or so
Avoid painting over the new mastic, as traditional guidance advises. Ask us before any decorating around it.
An open joint round the box lets weather through. The longer it’s left, the more the joint opens as more mastic falls out.
Why act early in Grays
Gaps round a sash window let in rain and draughts. Left, water can reach the timber and the wall, so dealing with it now protects both. In Grays, as anywhere, most leaks start as a small gap in a joint, and early is when they’re cheapest and quickest to sort.
There are no prices on our website, because each job is priced on what it involves. Call for a quick quote.
Why Grays customers choose us
- Neat joints and a tidy finish
- Fully insured
- 4.9 on Google from 180+ five-star reviews
- An ARBOMaster approved applicator
Read what affects the cost and customer reviews.
What sealant work can’t fix
Before you book, it’s worth knowing the limits too:
- Crumbling stone or brickwork round the window
- Broken panes
- Planning or listed building consent (your local planning authority decides)
If you’re not sure, just ring 0345 464 0079 or email us and we will give you a straight answer.
What we seal
- Brick reveals
- Timber door frames
- Sash and case windows
- Tenement windows
- Stone surrounds
- Period & listed homes
How it works
We keep the work tidy and contained to the joints we’re treating, so you can get on with your day. Expect the work to take a few hours per window, depending on the condition of the joints, and we explain the cure time before we leave. Parking in a town like Grays is usually straightforward, but tell us if there’s a driveway or any restrictions, and mention if the work is upstairs, in a flat or high on the outside.
- We start by checking each surround and agreeing the joints to renew.
- We rake out the old mastic and clean the joint.
- Deep voids are packed so the mastic is the right thickness.
- Sand mastic is mixed and applied by hand, then shaped to the joint.
- The finish is dressed so it sits neatly against the stone or brick.
Preparing for the visit
- Tell us about access, such as stairs, a lift or high-level joints
- Let us know about parking restrictions
- Let us know if you’ve seen damp or leaks
Getting a quote
If you’re in Grays and need sand mastic, call 0345 464 0079 or drop us an email. Tell us what the problem is and where, and you’ll get a clear quote before any work starts.
Advice
What the job involves on each surface
Stone surrounds
We take care not to mark the stone when the old mastic comes out.
Timber door frames
Sand mastic is used round timber door frames too. The method is the same as for windows.
Frames and glazing around Grays
Grays is close to the coast, where wind-driven rain is a fact of life and, nearer the shore, so is salt air. Both are hard on the mastic around older windows and doors, which can dry out and crack sooner where a building faces the weather. London and the South East are among the drier parts of the UK, though outdoor sealant still has to go onto a dry joint, so the forecast decides the day.
Homes close to St John the Evangelist include some older properties, and frames set in older brick or stone need a sealant that suits the wall as well as the frame. Letting a property close to Grays station? Then older sash windows in a rental need their mastic kept sound to keep the weather out.
Grays is about 5 miles north-east of Dartford, in Thurrock. We carry out sand mastic for homeowners, landlords and businesses in Grays. We cover 26 towns and villages across Thurrock, large and small. Our London page covers work nearby (18 miles or so).
Here we cover the RM17, RM16, RM20 and RM18 postcode area for sand mastic. We cover properties on London Road, College Avenue and Cresthill Avenue and the roads around them. Being close to the A126 and B149, Grays is easy for our applicators to reach for sand mastic. If you are just outside Grays, we cover Little Thurrock (1 mile north-east), Chafford Hundred (1 mile north-west), Orsett Heath (1 mile north-east), North Stifford (2 miles north-west) and Chadwell St Mary (2 miles east). Within a short drive, we also cover Stanford-le-Hope (5 miles north-east), South Ockendon (3 miles north-west), Balstonia (5 miles north-east), Corringham (6 miles north-east), Aveley (4 miles west) and Purfleet-on-Thames (4 miles west).
Local landmarks in Grays
In Grays, that means homes and buildings near Thurrock and Basildon College, Grays Convent High School and The Traitors Gate pub. The closest station to Grays is Grays station, roughly 0.6 miles south-west. Other landmarks nearby include Stone Castle (3.6 miles south-west) and Thurrock Community Hospital (0.9 miles north). Green spaces nearby include Chafford Gorges Nature Park and Sawyers Lake.
Places near Grays
Other services in Grays
Should I try it myself first?
Some sealant jobs are within reach of a careful DIYer, such as a straightforward joint indoors. Where it goes wrong is sealing over the old bead, working on a wet joint or overloading the gap.
Not every job suits DIY: high-level joints, fire-rated gaps, external movement joints and big jobs call for the right materials, safe access and experience.
FAQs for Grays
Do you work for landlords with property near Grays station?
Yes. We work for landlords and agents as well as householders, and several properties can go on one quote. You can phone 0345 464 0079 or drop us an email with the details for a clear quote.
Is sand mastic in a coastal place like Grays any different?
Near the coast, wind-driven rain and, nearer the shore, salt air make outside sealant work harder. The right product, a clean joint and the right depth all help it cope.
How long will you be here?
Most jobs take a few hours for a single window, longer for several. We’ll confirm how long when we quote.
Do you work for hotels and businesses?
Yes. Hotels, offices and other businesses use us and we are fully insured.
Are you an approved applicator?
Yes. We hold ARBOMaster approved applicator status, and we’re fully insured.
Should I use sand mastic or silicone?
We’ll help you decide. Period homes often look best with sand mastic, and modern sealants suit newer frames.
Can you match the sealant colour?
In most cases you can choose. We will explain which colours are available and agree one before any work starts.
Does someone need to be in?
We need access to the joints, so we’ll agree that with you when we book. Indoors, that normally means someone at home.
When to call us in Grays
Rain on the window surround works into any crack and loosens it further. Exposed elevations normally fail first.
These are the problems we are asked about most:
- Crumbling sand mastic round a window
- Draughts and rain around sash boxes
- Mastic that needs renewing before redecorating
- Old cement repairs round a window that have failed
For site and facilities teams at buildings such as Quarry Hill Academy, its window and door frames need their mastic kept sound, just like a home’s.
What to look for in a quote
- How the surfaces are prepared before sealing
- What product goes in the joint
- Who turns up on the day
- What happens if they find a problem under the old sealant