Hampshire · England
Sand mastic for sash & case windows in Hollywater, Hampshire
Sand mastic for Hollywater and the surrounding area: the right sealant, proper preparation and a neat finish. Call for a quick quote.
- Gaps round a timber door in stone or brick
- Modern sealant on a period surround
- Tired mastic found when preparing windows for paint
Sand mastic in Hollywater, done properly
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. If you’re dealing with mastic round period door frames that has failed and draughts and rain around sash boxes, we can put it right, whatever the surface.
Outdoor sealant needs dry, clean surfaces, so work on frames around Hollywater is planned for dry weather. Tell us about access to every side of the house, including upper-floor windows.
All of our work is guaranteed for twelve months, and the guarantee is the same wherever you are.
- Where
- Hollywater (GU35)
- Wider area
- Hampshire
- Cover
- A year, on every job
- Quote
- A clear price before any work starts
- Call
- 0345 464 0079
- Page updated
- 26 October 2026
What happens on the day
We work through the job in order: protection first, then preparation, sealing and a tidy-up. Typically it takes anything from a few hours to a full day, depending on how many windows and we leave things clean and tidy. For a village or hamlet like Hollywater, 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 check the window surrounds and agree which joints need renewing.
- The loose and crumbling mastic is raked out and the joint cleaned.
- Deep voids are packed so the mastic is the right thickness.
- The mastic is mixed, pressed into the joint by hand and shaped.
- We dress the surface so it sits neatly against the masonry.
Before we arrive
- Move anything stored near the joints
- Let us know about stairs, lifts or work at height
- Where the joints are inside, avoid wetting them before we arrive
How to get a quote
We don’t 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.
Related advice
Windows and doors in Hollywater
Compared with the north and west, the South East gets less rain, yet outdoor joints still have to be sealed dry, so jobs are booked with the weather in mind.
If you let a flat or house near Liphook station, any sash windows need sound mastic to keep draughts and rain out. For site and facilities teams at buildings such as Woodlea Primary School, the mastic around its windows and doors needs looking after like any other building’s. If you live in an older home near St Mark's Sacred Church, the windows may be timber, sash or later replacements, and each needs the right sealant against the wall.
Hollywater is about 6 miles south-east of Alton, in Hampshire. Hollywater gets the same service as everywhere we cover: the old material taken out, joints prepared properly and a 12-month guarantee. Across Hampshire, we cover 683 places, Hollywater among them. We also work in Portsmouth, about 23 miles from Hollywater.
Our applicators cover all of GU35 for sand mastic. Whether your property is on Hollywater Road and Liphook Road or anywhere close by, we can help. We also cover the places around Hollywater: Standford (1 mile north-east), Whitehill (1 mile west), Deadwater (1 mile north), Bordon (1 mile north-west) and Lindford (1 mile north). Larger places within reach include Farnborough (14 miles north), Fleet (12 miles north), Horndean (15 miles south-west), Aldershot (11 miles north), Alton (6 miles north-west) and Petersfield (8 miles south-west).
What’s near Hollywater
In Hollywater, that means homes and buildings near Mill Chase Academy, among other places. The closest station to Hollywater is Liphook station, about 3.1 miles south-east of the centre. Other landmarks nearby include The Romany Museum (3.9 miles west) and Chase Community Hospital (0.6 miles north-west). Green spaces nearby include Wheeler's Down and Deadwater Valley.
Landlords, agents and businesses in Hollywater
Hotels need rooms back in use, so the work can be planned room by room around your bookings where we can. Hotel work is part of what we do, alongside homes and businesses.
Letting agents often deal with us directly. Send the address, what’s needed and the access arrangements.
Leave it or put it right?
Silicone might seem the quicker option, but on period stone or brick it often looks out of place. Sand mastic suits the building and blends with the stone or brick. In a small place like Hollywater, homes can be exposed to wind and rain, which finds any gap, and older walls, once damp, take a long time to dry.
Rather than a set price list, we look at what your job involves: how many joints, what’s in them now and how we reach them. The price is agreed before we begin.
Why Hollywater customers choose us
- 12-month guarantee on every job
- 4.9 on Google from 180+ five-star reviews
- Anti-fungal sanitary silicone in wet areas
- Approved under the ARBOMaster scheme
Read what affects the cost and what customers say.
How to look after the new joints
Joint life depends on how it’s used and looked after. We suggest:
- Check with your local planning authority if your home is listed
- Check the mastic when you check the paintwork
- Avoid patching sand mastic with silicone
- Ask us before painting near the mastic
Avoid painting over the new mastic, as traditional guidance advises. If you’re redecorating, ask us first.
Good mastic helps keep the frame dry. Failed mastic lets water reach the timber and timber that stays wet can rot.
What affects the cost of sand mastic
The price is agreed before any work begins. It takes into account:
- How much old sealant there is and how hard it is to remove
- How many areas need sealing
- Any working-time requirements on site
- The number and length of the joints
There are no prices on our website, because the cost depends so much on the job itself. For a quick quote, please call 0345 464 0079 or email us.
Asking for a quote
What to tell us when you ask for a quote:
- What the problem is, such as mould, gaps, leaks or cracking
- A few photos by email, if you can
- Roughly how big the job is
- Whether it has been sealed before
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.
Surface by surface
Period and listed homes
Period homes look their best with traditional materials.
Tenement and terrace windows
Where a building is shared, window work may involve neighbours, so check who is responsible first.
Other services in Hollywater
Hollywater questions
Do you cover smaller places like Hollywater?
Yes, smaller places are covered as well as towns. Our work covers London and the South East. Just mention lanes, gates or anything else about the route when you book.
Do you cover Hollywater for sand mastic?
Yes, Hollywater is within the area we cover. We work across London and the South East. You can phone 0345 464 0079 or email us and let us know what needs doing, and we’ll send you a clear quote.
Does someone need to be in?
If the work is inside, we need someone to let us in. After that, you can carry on with your day.
How long does sand mastic take to go off?
A skin forms quite soon, but full hardening takes longer. We will tell you what to expect for your job.
Can sand mastic be painted?
The usual advice is to leave sand mastic unpainted. If you are redecorating the window, ask us first and we’ll talk you through it.
What information do you need?
Just the basics: where it is, what you’ve noticed and how we reach it. After that, simply call 0345 464 0079 or drop us an email.
Will there be a smell?
There can be a smell while the sealant cures, which fades as it sets. Ventilation helps.
Is it possible to take out silicone and use sand mastic instead?
Often, yes. Once the silicone is out and the joint prepared, sand mastic is applied by hand.
What sealant work can’t fix
In fairness, there are a few things sealant will not fix:
- Cracked or broken glass
- Whether work needs listed building consent
- Crumbling stone or brickwork round the window
If you’re not sure, just ring 0345 464 0079 or drop us an email and we will give you a straight answer before booking.
Where we work in Hollywater
- Timber door frames
- Period & listed homes
- Tenement windows
- Brick reveals
- Sash and case windows
- Stone surrounds