Hampshire · England
Sand mastic for sash & case windows in Durford Wood, Hampshire
Our applicators work in Durford Wood on traditional burnt sand mastic around sash and case windows and doors in stone and brick. Old sealant removed completely, joints prepared properly and a 12-month guarantee.
- Mastic worn away on windows facing the weather
- Old sand mastic that has cracked, crumbled or fallen out
- Gaps between timber frames and stone or brick
Sand mastic in Durford Wood
Sand mastic has long been used to fill the joint between timber frames and masonry. It’s a mix of sand and a linseed-oil-based binder and built up by hand. On older homes, it suits the building far better than silicone. Typical jobs include tired mastic found when preparing windows for paint and gaps round a timber door in stone or brick, across brick reveals, tenement windows and timber door frames.
Around Durford Wood, 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.
The work is covered for a year after we finish. If there’s a problem with it, please call 0345 464 0079 or email us.

- Location
- Durford Wood (GU33, GU31)
- Region
- Hampshire
- Cover
- 12 months on all our work
- Quotes
- A clear quote up front
- Call
- 0345 464 0079
- Page updated
- 26 October 2026
Common problems we fix in Durford Wood
Decorating can disturb tired mastic. Many people find it crumbling when they prepare the windows.
The problems people usually mention when they call include:
- Old sand mastic that has cracked, crumbled or fallen out
- Modern sealant on a period surround
- Draughty sash windows at the surround
- Mastic worn away on windows facing the weather
If you let a flat or house near Liss station, any sash windows need sound mastic to keep draughts and rain out.
Before you book anyone
- When the joint can take water or movement
- How the colour is chosen
- Whether they seal over old material or remove it
- Whether the sealant suits the joint
How to look after the new joints
Joint life depends on how it’s used and looked after. We suggest:
- Keep sills and gutters clear so water drains away
- Have rotten timber repaired before new mastic goes in
- Avoid patching sand mastic with silicone
- Find out about consent before window work on a listed home
Make sure water drains away from the window surround. Water sitting against the mastic shortens its life.
Renewing mastic before redecorating saves doing it twice. Painting over failed mastic hides the problem for a while.
What the job involves on each surface
Sash and case windows
The mastic round a sash window is on show so we finish it carefully.
Timber door frames
Doors face weather and wear and the mastic can crack early. It’s renewed by hand.
What happens on the day
We bring everything the job needs with us, so you do not need to buy or prepare anything. After a quick look at the joints together, the area is protected and the work begins. Most jobs take anything from a few hours to a full day, depending on how many windows. In a small place like Durford Wood, access is normally 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.
- Large voids are packed out.
- New sand mastic is applied and shaped by hand.
- The finish is dressed neatly.
Getting ready for the visit
- Move anything stored near the joints
- Where the joints are inside, avoid wetting them before we arrive
- On commercial sites, let us know about site rules
Getting a quote
If you’re in Durford Wood and need sand mastic, call 0345 464 0079 or send us an email. A short description of the job and where it is helps us quote, and we’ll agree the price before any work begins.
Advice
Places near Durford Wood
Also in Durford Wood
Common questions in Durford Wood
Do you work for landlords with property near Liss station?
Yes, landlords and agents are among the people we work for, and several properties can be quoted together. Just call 0345 464 0079 or email us with the address and what needs doing, and we’ll give you a clear price.
Do you cover smaller places like Durford Wood?
Yes. Durford Wood is within the area we cover, which takes in towns, villages and rural addresses. Our work covers London and the South East. Just mention lanes, gates or anything else about the route when you book.
Can I add another job to the visit?
Yes. Just list everything you need and we’ll quote it together.
Are you ARBOMaster approved?
Yes. We are an ARBOMaster approved applicator.
Should I use sand mastic or silicone?
For period timber windows in stone or brick, sand mastic is often the better fit. On modern frames, we’d normally use a flexible sealant, and we will explain why.
What guarantee comes with the work?
Our 12-month guarantee covers every job, sand mastic included.
Are you fully insured?
Yes. Mr Mastic is fully insured.
How long will you be here?
Typically it takes a few hours for a single window, longer for several. Larger jobs naturally take longer, and we’ll say how long yours will take.
DIY versus a professional finish
Overfilling a joint is a classic DIY mistake. A thick, smeared bead looks untidy and doesn’t move well, and getting the depth right matters as much as the look.
If you do try it yourself, take your time over the preparation: take out all the old sealant, make sure the joint is clean and dry, and give it the full cure time. If it fails, we can still redo it.
Landlords, agents and businesses in Durford Wood
Mouldy or split sealant often shows up at the end of a tenancy, and it’s easy to sort out between tenants. Several properties can be quoted together.
Hotels need rooms back in use, so we plan the work room by room around your bookings where we can. We have worked in hotels as well as homes and businesses.
Frames and glazing around Durford Wood
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.
Managing a site like Liss Infant School? Then its window and door frames need their mastic kept sound, just like a home’s. 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.
Durford Wood is about 3 miles north-east of Petersfield, in Hampshire. We provide sand mastic to homeowners, landlords and businesses in Durford Wood. 683 places in Hampshire are on our list, from the larger towns to small villages. We also work in Portsmouth, around 17 miles away.
All of GU33 and GU31 is covered for sand mastic. Whether your property is on Stodham Lane and Pruetts Lane or anywhere close by, we can help. Neighbouring places we cover for sand mastic include West Liss (1 mile north), Hill Brow (1 mile east), Liss (1 mile north), The Mint (2 miles north-east) and Liss Forest (2 miles north). We also work in nearby towns such as Havant (12 miles south), Horndean (10 miles south-west), Alton (9 miles north-west), Waterlooville (12 miles south-west), Petersfield (3 miles south-west) and Purbrook (13 miles south-west).
Around Durford Wood
In Durford Wood, that means homes and buildings near Whistle Stop pub. For rail, the closest station is Liss station, roughly 1 mile north. Other landmarks nearby include Bear Museum (2.7 miles south-west) and Petersfield Community Hospital (2.8 miles south-west). For a walk, there’s Wheatham Hill and Liss Riverside Railway Walk South.
Honest limits
It helps to know what we cannot do:
- Cracked or broken glass
- Sashes that need overhauling
- Whether work needs listed building consent
If you’re not sure, just call 0345 464 0079 or drop us an email and we will give you a straight answer.
What we seal
- Timber door frames
- Period & listed homes
- Stone surrounds
- Sash and case windows
- Tenement windows
- Brick reveals
