East Sussex · England
Argos Hill Sand Mastic
Specialist sand mastic for Argos Hill: the right sealant, proper preparation and a neat finish. Ask us for a quick quote.
- Gaps round a timber door in stone or brick
- Draughty sash windows at the surround
- Silicone on a period window that looks wrong
FAQs for Argos Hill
Do you work for landlords with property near Crowborough station?
Yes, rental work is part of what we do. You can call 0345 464 0079 or email us with the address and a few details, and we’ll give you a fixed price before we start.
Is Argos Hill within the area you cover?
Yes, Argos Hill is covered. We work across London and the South East, and smaller places are part of that. Longer journeys are simply planned in advance.
Can I do it myself?
For a simple, easy-to-reach joint, a careful DIYer can do a reasonable job. The usual mistakes are sealing over old sealant, sealing a damp joint and using too much.
Can you do several jobs on one visit?
Yes. Just list everything you need.
Will the old sealant be removed?
Yes. Sealing over old sealant is the main reason resealing fails early, and it’s something we never do.
What is sand mastic?
It’s the traditional filler for the joint round timber windows and doors. It combines sand with a linseed-oil-based binder.
What does sand mastic cost?
Every job is different, so each one gets its own quote. To get one, phone 0345 464 0079 or email us with a short description of the job.
Does someone need to be in?
That depends on where the joints are. For work indoors, someone needs to let us in, and for outside work we’ll agree access with you when we book.
Sand mastic in Argos Hill, done properly
Silicone on a period window often looks wrong and does not suit the building. Sand mastic gives a finish that matches the age of the house, and we can replace one with the other. We work on timber door frames, tenement windows and brick reveals, and people most often call us about cracked mastic round a front door frame and old sand mastic that has cracked, crumbled or fallen out.
Homes in small places like Argos Hill often stand in the open, with little to shelter their windows from wind and rain. That exposure dries out and cracks the mastic around frames and sills faster.
A 12-month guarantee comes with the work, just as it does everywhere we cover.
- Where
- Argos Hill (TN6)
- Region
- East Sussex
- Guarantee
- A year, on every job
- Quote
- A clear quote up front
- Phone
- 0345 464 0079
- Page updated
- 26 October 2026
Windows and doors in Argos Hill
With historic houses such as Wadhurst Castle (about 4.4 miles north-east) nearby, there’s older building stock in the area around Argos Hill 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, but outside sealant still needs a dry, clean surface, so outdoor work is planned around the forecast.
Homes close to The Parish Church of St Denys include some older properties, and the windows may be timber, sash or later replacements, and each needs the right sealant against the wall. For site and facilities teams at buildings such as Rotherfield Primary School, the mastic around its windows and doors needs looking after like any other building’s.
Argos Hill is about 3 miles east of Crowborough, in East Sussex. Every kind of property in Argos Hill can book us for sand mastic, old or new, large or small. Every job comes with our 12-month guarantee. Argos Hill is one of 289 towns and villages in East Sussex we cover. We also work in Crawley, about 19 miles from Argos Hill.
We cover every part of the TN6 postcode area for sand mastic. Other places close to Argos Hill include High Cross (1 mile west), Town Row (1 mile north), Rotherfield (1 mile north-west), Woolbridge (1 mile south) and Mayfield (1 mile south-east). Larger places within reach include Lewes (15 miles south-west), Hailsham (12 miles south), Crowborough (3 miles west), Uckfield (8 miles south-west), Polegate (15 miles south) and South Malling (15 miles south-west).
Near you in Argos Hill
Locally, jobs take us to homes and businesses close to Jameah Islameah School. The closest station to Argos Hill is Crowborough station, about 2.3 miles west. Nearby you will also find Crowborough War Memorial Hospital (3.7 miles west). Green spaces nearby include Crowborough Country Park.
Why it’s worth doing now in Argos Hill
Not every draught comes from the sashes themselves. Open mastic joints round the box can let air in, and renewing the mastic closes them. Where a wall is exposed, as many are in small places like Argos Hill, wind-driven rain gets into any failed joint, and older walls, once damp, take a long time to dry.
What you pay reflects the work, not guesswork. That is why we ask a few questions first and give you a clear quote before any work starts.
Why book with us
- Rated 4.9 stars on Google
- An ARBOMaster approved applicator
- Neat joints and a tidy finish
- Sanitary silicone with an anti-fungal additive in wet areas
Read what affects the cost or what customers say.
DIY versus a professional finish
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 does not work out, we can still put it right.
The biggest DIY mistake is sealing over old sealant. New silicone will not bond to old, so it peels away and traps moisture behind it. All the old material has to come out first.
Places near Argos Hill
More services for Argos Hill
What we can’t put right
Honest advice matters more to us than a booking, so here’s what sealant cannot fix:
- Broken panes
- Damaged stone surrounds
- Sashes that rattle, stick or will not open
Not sure which it is? You can call 0345 464 0079 or send us an email and we’ll tell you honestly before you book.
Joints and surfaces we work on
- Brick reveals
- Sash and case windows
- Stone surrounds
- Timber door frames
- Tenement windows
- Period & listed homes
What happens on the day
You do not need to clear the whole room or building, just the space around the work. We protect the rest, and the work takes anything from a few hours to a full day, depending on how many windows for a typical job. For a village or hamlet like Argos Hill, the journey is planned in advance: tell us about narrow lanes, gates, long drives and where we can park. We bring what the job needs, so it can be finished in one trip where possible.
- We look at the surrounds with you and agree the joints to renew.
- We remove the old, loose mastic.
- We pack any deep voids first.
- The sand mastic is mixed and pressed into the joint by hand.
- The surface is finished to suit the stone or brick.
Preparing for the visit
- Mention any parking rules near the property
- Plan for the work area to be out of bounds to pets and children
- Let us know about stairs, lifts or work at height
Ask for a quote
Want a quote for sand mastic? Please ring 0345 464 0079 or drop us an email with a few details. We will explain what we’d do and give you a clear price before we start.
Read more
How to look after the new joints
Aftercare is simple, and it makes a real difference:
- Do not paint over the new mastic
- Sort the mastic before the decorators arrive
- Have rotten timber repaired before new mastic goes in
- Check with your local planning authority if your home is listed
Keep gutters and sills clear so water runs away from the surround. Constant wetting wears the mastic faster.
An open joint round the box lets weather through. Left, the gap tends to get bigger.
When to call us in Argos Hill
Some old mastic was never deep enough. A thin layer doesn’t hold well so we make sure the new mastic is the right thickness.
If you can see any of these, it’s time to have the joints looked at:
- Patchy fillers round a sash window
- Mastic that needs renewing before redecorating
- Open joints round the window box
- Silicone on a period window that looks wrong
Letting a property close to Crowborough station? Then any sash windows need sound mastic to keep draughts and rain out.
What to look for in a quote
- How long the guarantee is
- What the quote includes, VAT included or not
- Whether they seal over old material or remove it
- What insurance they hold
Landlord and commercial work in Argos Hill
We regularly work with letting and managing agents. Tell us the address, the job and how access works and we will quote.
Mouldy or split sealant often shows up at the end of a tenancy. Several properties can be quoted together.