Medway · England
Sand Mastic in St Mary Hoo
Our applicators work in St Mary Hoo 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 every job guaranteed for a year.
- Mastic worn away on windows facing the weather
- Draughts and rain around sash boxes
- Mastic dropping out of the joint
St Mary Hoo homes and the weather
St Mary Hoo 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. Both are hard on the mastic around older windows and doors, which can dry out and crack sooner where a building faces the weather. The South East is one of 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 Church of St Mary include some older properties, and the joint between an old wall and a newer frame is usually the first place rain gets in.
St Mary Hoo is about 4 miles south of Canvey Island, in Medway. Homes, rented property, offices and hotels in St Mary Hoo is covered for sand mastic, old or new, large or small. The work is guaranteed for a year. We cover 68 towns and villages across Medway, large and small. We also work in Chelmsford, around 20 miles away.
Here we cover the ME3 postcode area for sand mastic. If you are just outside St Mary Hoo, we cover Fenn Street (1 mile south-west), High Halstow (1 mile south-west), Sharnal Street (2 miles south-west), Tunbridge Hill (2 miles south) and Kingsnorth (2 miles south). Larger places within reach include Gillingham (6 miles south), Chatham (8 miles south), Rochester (6 miles south-west), Rainham (7 miles south), Strood (7 miles south-west) and Luton (7 miles south).
Local landmarks in St Mary Hoo
Well-known places in the area include Bay Museum (3.6 miles north) and Medway Maritime Hospital (6 miles south-west). Not far away are Bishop Saltings.
About our sand mastic in St Mary Hoo
Traditional burnt sand mastic that sits naturally against stone and brick. It suits period and listed homes, where modern sealant can look out of place. If you’re dealing with wind and rain getting in round a sash window and modern sealant on a period surround, we can help.
Mastic can only go onto a dry, clean joint, so window work in St Mary Hoo is booked around the forecast. Tell us about access to every side of the house, including upper-floor windows.
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.
- Location
- St Mary Hoo (ME3)
- Region
- Medway
- Guarantee
- One year on every job
- Quote
- Quoted before any work starts
- Telephone
- 0345 464 0079
- Page updated
- 26 October 2026
St Mary Hoo: your questions answered
Can you do sand mastic in St Mary Hoo?
Yes. We work across London and the South East, and St Mary Hoo is part of that. Just phone 0345 464 0079 or drop us an email with a few details of the job, and we’ll give you a clear price.
Will you come out to St Mary Hoo?
Yes, St Mary Hoo is covered. Our work covers London and the South East, from towns to the smallest places. Longer journeys are simply planned in advance.
Do you have insurance?
Yes. We’re fully insured, and we’ve been doing sealant work for more than 20 years.
Where is Mr Mastic based?
Our base is Crawley, with over 20 years’ experience. Our area covers South East England, London and Scotland.
Will the old sealant be removed?
Yes, always, and completely. New sealant will not bond properly to old, so the joint is cleaned back first.
Should I try DIY first?
Sometimes. Preparation is everything: all the old sealant out, and a clean, dry joint. We can always put it right if it fails.
Do you do commercial work?
Yes. We work in offices, washrooms, hotels and other commercial premises, as well as homes. Working times can be discussed when we quote.
Should I check with the council before work on a listed or conservation-area home?
Check with your local planning authority. They decide whether consent is needed.
Landlord and commercial work in St Mary Hoo
Landlords and agents in St Mary Hoo can book us as well as homeowners. Resealing between tenancies keeps a property looking cared for.
We also work for businesses, from offices to washrooms and kitchens. On commercial sites, working times can be discussed when we quote.
What affects the quote in St Mary Hoo
For a quick quote, just ask. The main things that affect it are:
- Which sealant suits the joint
- How much old sealant there is and how hard it is to remove
- Mould in or behind the old joints
- Access and height
A failed joint rarely gets cheaper to fix by waiting, as water and mould keep getting in. If you’re not sure whether it needs doing, ring 0345 464 0079 or send us an email and we’ll give you an honest view and a quote.
Asking for a quote
There’s no need for technical detail. Just tell us:
- How many joints, rooms or windows are involved
- Whether it’s a home or a business
- Where the property is
- The problem you’ve noticed
We do not publish a price list, because every job is different. Instead, your job gets its own clear quote. To arrange one, call 0345 464 0079 or send us an email.
How the visit works
Our applicators work methodically: protect, prepare, seal, tidy. Typically it takes anything from a few hours to a full day, depending on how many windows. Somewhere as small as St Mary Hoo, access is often the only tricky part. If the job is outside, mention outbuildings, exposed walls and how to reach them.
- We look at the surrounds with you and agree the joints to renew.
- Old mastic and any loose material are raked out.
- We pack any deep voids first.
- The sand mastic is mixed and pressed into the joint by hand.
- We dress the finish so it sits neatly against the masonry.
How to prepare
- Keep pets and children clear of the area while we work
- Let us know about parking restrictions
- Clear the area around the work
Get a quote
The more we know about the job, the more useful the quote. Tell us where the job is, what’s wrong and how much there is, and add photos by email if you can.
Read more
Aftercare tips
No joint lasts for ever, but care makes a real difference. A few tips:
- Clear gutters so water does not pour onto the windows
- Inspect the joints round the windows every year or so
- Go gently near the mastic when preparing windows
- Keep modern sealant off the mastic
Keep paint scrapers and sanders off the mastic when redecorating. It can be damaged by heavy scraping.
Sound mastic protects the frame. Failed mastic lets water reach the timber and timber that stays wet can rot.
Do you need sand mastic in St Mary Hoo?
Shallow joints are a common cause. A thin layer does not hold well, which is why we pack deep voids first and get the depth right.
Look out for any of the following:
- Mastic worn away on windows facing the weather
- Gaps round a timber door in stone or brick
- Open joints round the window box
- Draughts and rain around sash boxes
Around St Mary Hoo, as everywhere, sand mastic is only as good as the preparation behind it.
Comparing quotes
- Is the old sealant removed completely?
- How hidden problems are handled
- What guarantee comes with the work
- Whether the sealant suits the joint
Why deal with it now?
Gaps round a sash window let in rain and draughts. Water can get to the frame and the masonry, so dealing with it now protects both. In a small place like St Mary Hoo, homes can be exposed to wind and rain, which finds any gap, and older walls, once damp, take a long time to dry.
No two jobs are quite the same, so we quote each one individually. The number of joints, how easy they are to reach and the sealant needed all play a part.
What you get with us
- Any old sealant cut out fully, not covered over
- ARBOMaster approved applicator
- Arbo and Everbuild products
- We leave the area clean and tidy
Take a look at our cost guide or what customers say.
Also near St Mary Hoo
Other services in St Mary Hoo
What sealant work can’t fix
It helps to know what we can’t do:
- Sash cords, weights and draught-proofing of the sashes
- Whether work needs listed building consent
- Crumbling stone or brickwork round the window
If in doubt, phone 0345 464 0079 or send us an email and we’ll say what we think before booking.
Where we work in St Mary Hoo
- Brick reveals
- Timber door frames
- Stone surrounds
- Sash and case windows
- Tenement windows
- Period & listed homes