Kent · England
Sand Mastic in Deerton Street
Specialist sand mastic for Deerton Street: careful preparation, the right product and tidy work. Ask us for a quick quote.
- Mastic worn away on windows facing the weather
- Modern sealant on a period surround
- Old sand mastic that has cracked, crumbled or fallen out
Windows and doors in Deerton Street
Deerton Street is within about 2 miles of the coast, where wind-driven rain is a fact of life and, nearer the shore, so is salt air. That is hard on the mastic around older windows and doors, especially on the side facing the sea. Compared with the north and west, the South East gets less rain, but outside sealant still needs a dry, clean surface, so outdoor work is planned around the forecast.
Letting a property close to Teynham station? Then older sash windows in a rental need their mastic kept sound to keep the weather out. If you live in an older home near Church of St Mary, the joint between an old wall and a newer frame is generally the first place rain gets in.
Deerton Street is about 3 miles west of Faversham, in Kent. Homes, rented property, offices and hotels in Deerton Street can book us for sand mastic. The work is guaranteed for a year. Deerton Street is one of 922 places in Kent where we work. Our Chelmsford page covers work nearby (32 miles or so).
All of ME9 is covered for sand mastic, from the main roads to the quietest streets. We cover properties on Deerton Street and Lower Road and the roads around them. Neighbouring places we cover for sand mastic include Norton Ash (1 mile south), Teynham Street (1 mile north), Lewson Street (1 mile south-west), Teynham (1 mile west) and Four Oaks (1 mile south-east). Further out, we also cover Maidstone (14 miles west), Ashford (13 miles south), Canterbury (11 miles east), Sittingbourne (4 miles west), Whitstable (9 miles east) and Faversham (3 miles east).
Near you in Deerton Street
For rail, the closest station is Teynham station, about 1 mile west of the centre. Other landmarks nearby include Newnham Castle (3.3 miles south) and Sittingbourne Heritage Museum (3.8 miles west).
How we handle sand mastic in Deerton Street
A silicone bead around a sash window can look out of place and isn’t always the right material. Sand mastic gives a finish that matches the age of the house and we can swap the silicone for it. Common call-outs are for mastic dropping out of the joint and a silicone bead on a sash window that spoils the look, on period & listed homes, sash and case windows and tenement windows.
Mastic can only go onto a dry, clean joint, so window work in Deerton Street is booked around the forecast. Let us know about access to all the frames, upstairs ones included.
A one-year guarantee comes as standard, so you are not left on your own once the job is done.
- Where
- Deerton Street (ME9)
- Wider area
- Kent
- Guarantee
- 12 months on all our work
- Quote
- A clear quote up front
- Phone
- 0345 464 0079
- Updated
- 26 October 2026
What we do, step by step
The work is kept neat and contained to the area we’re working on. Expect the work to take a few hours per window, depending on the condition of the joints. Somewhere as small as Deerton Street, access is often the only tricky part. If the job is outside, mention outbuildings, exposed walls and how to reach them.
- First we agree which joints need doing.
- We remove the old, loose mastic.
- We pack any deep voids first.
- We apply the mastic by hand and shape it.
- The surface is finished to suit the stone or brick.
Preparing for the visit
- For business premises, tell us about site rules or sign-in
- Let us know about earlier repairs to the joints
- Let us know about parking restrictions
Ask for a quote
We quote each job on its own. Simply ring 0345 464 0079 or drop us an email and describe the job.
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Questions from Deerton Street
Do you work for landlords with property near Teynham station?
Yes, we work for landlords and letting agents. Just ring 0345 464 0079 or send us an email and tell us about the property, and we will give you a clear price.
Does the coastal weather in Deerton Street affect outside sealant?
Near the sea, outside joints face more wind, rain and salt than they would inland, so preparation and the right sealant matter all the more. It’s worth checking the walls that face the sea first.
Will it make a mess?
No. We protect the surfaces around the joints, and we tidy up before we go.
Can you replace silicone on a period window with sand mastic?
Yes, it’s a common request. All the old silicone is removed first so the mastic can sit properly.
How do I get a quote for sand mastic in Deerton Street?
There’s no set price, as it depends on the job: its size, the old material, access and the product needed. You will get a clear quote before work begins.
What exactly is sand mastic?
It’s sand mixed with a linseed-oil-based binder, used between timber frames and stone or brick.
Are you an approved applicator?
Yes. We’re an ARBOMaster approved applicator, the approved applicator scheme for Arbo sealants.
What information do you need?
Let us know what needs doing and where, with pictures by email if possible. We’ll ask anything else we need to know.
Leave it or put it right?
If you are redecorating, renew the mastic first. Painting over failed mastic doesn’t seal it and traditional guidance is to leave the new mastic unpainted. Around Deerton Street, older homes often have timber in their floors and frames, and water through a failed joint can rot timber if it’s left.
Leaving a failed joint usually makes the job bigger, not smaller, because water and mould keep working on it. If you’re not sure whether it needs doing, call 0345 464 0079 or email us for an honest opinion and a quote.
What you get with us
- Anti-fungal silicone where joints get wet
- An ARBOMaster approved applicator
- 180+ five-star Google reviews
- Domestic, commercial and hotel work
Take a look at how sealant jobs are priced and customer reviews.
When it isn’t the sealant
Honest advice matters more to us than a booking, so here’s what sealant cannot fix:
- Whether work needs listed building consent
- Putty and glazing repairs
- Sash cords, weights and draught-proofing of the sashes
If you’re not sure, just phone 0345 464 0079 or drop us an email and we will give you a straight answer before booking.
Surfaces we seal
- Brick reveals
- Timber door frames
- Sash and case windows
- Period & listed homes
- Tenement windows
- Stone surrounds
How the job changes by surface
Brick reveals
We rake out the old mastic and pack deep voids before pointing.
Timber door frames
Door frames get knocked and soaked and the mastic can crack early. It’s renewed by hand.
Keeping the joints in good condition
After the cure time, these simple habits help:
- Plan mastic work ahead of painting
- Find out about consent before window work on a listed home
- Have rotten timber repaired before new mastic goes in
- Do not run silicone over sand mastic
Keep gutters and sills clear so water runs away from the surround. Water sitting against the mastic shortens its life.
Small cracks are a sign the mastic is ageing. It’s easier to renew it before it drops out.
DIY versus a professional finish
Not every job suits DIY: high-level joints, fire-rated gaps, external movement joints and big jobs need the right product, the right access and the right method.
The difference is mostly in the preparation and the product. We take joints back to clean, dry surfaces, and the sealant is chosen for how the joint moves and where it is, then guaranteed for a year.
Places near Deerton Street
More services for Deerton Street
Do you need sand mastic in Deerton Street?
Timber swells and shrinks with the weather. That movement opens up the mastic joint over time.
People usually contact us after spotting one of these:
- Draughts and rain around sash boxes
- Window mastic to renew ahead of painting
- Old cement repairs round a window that have failed
- Gaps where the frame meets the masonry
Schools such as Teynham Parochial Church of England Primary School are buildings too, and larger buildings have plenty of frames, and the mastic around each one ages.
Before you book anyone
- How long to leave it before use
- Is VAT in the price?
- How hidden problems are handled
- What insurance they hold