Hampshire · England
Sand mastic for sash & case windows in Ower, Hampshire
Problem with your window and door surrounds in Ower? We remove the old material, prepare the joints and seal them properly, with a 12-month guarantee.
- Wind and rain getting in round a sash window
- Silicone on a period window that looks wrong
- Patchy fillers round a sash window
Sand mastic for homes and businesses in Ower
Sand mastic doesn’t last for ever, leaving gaps round the window. Renewing it closes the gap and tidies the surround. We work on sash and case windows, timber door frames and tenement windows, and people most often call us about failed mastic on an exposed elevation and gaps round a timber door in stone or brick.
Somewhere as small as Ower, older homes often have timber frames set in stone or brickwork. Older buildings like these don’t always suit modern silicone, so the sealant has to be chosen to suit the building.
Big or small, you get the same one-year guarantee in Ower and across Hampshire.
- Location
- Ower (SO51)
- Region
- Hampshire
- Guarantee
- 12 months on all our work
- Quote
- A clear price before work begins
- Phone
- 0345 464 0079
- Last updated
- 26 October 2026
Ower: your questions answered
Do you work for landlords with property near Totton station?
Yes, we work for landlords and letting agents. Just phone 0345 464 0079 or email us and tell us about the property, and we will send you a clear quote.
Can you do sand mastic in Ower?
Yes, Ower is within the area we cover. Our work covers London and the South East. You can call 0345 464 0079 or drop us an email and let us know what needs doing, and we’ll give you a clear price.
Can you do several jobs on one visit?
Yes, we can. More than one area can be quoted together.
Can new sealant go over the old?
No, because it fails. The old sealant always comes out first, so the new joint bonds to clean surfaces.
Do you hold any approvals?
Yes. We’re an ARBOMaster approved applicator, which is run for the Arbo sealant brand.
How much does sand mastic cost in Ower?
Every job is different, so each one gets its own quote. To get one, call 0345 464 0079 or send us an email and tell us what needs doing and where.
Should I use sand mastic or silicone?
That depends on your windows. Period windows in stone or brick normally suit sand mastic and newer frames usually get a flexible sealant.
What information do you need?
Tell us what needs doing and where, with photos by email if possible. We will ask anything else we need to know.
Ower homes and the weather
Rainfall in the South East is lower than in much of the UK, but outside sealant still needs a dry, clean surface, so outdoor work is planned around the forecast. With historic houses such as Landford Manor (about 4.6 miles north-west) nearby, there’s older building stock in the area around Ower as well as newer homes. In older buildings, older frames set in brick or stone need a sealant that suits them, and sometimes that is traditional sand mastic.
Historic houses such as Landford Manor, about 4.6 miles north-west, show how far back building around Ower goes.
Ower is about 2 miles north-west of Totton, in Hampshire. If you need sand mastic in Ower, it’s easy to get a quote: please phone 0345 464 0079 or email us. We’re based in Crawley and cover Hampshire, Ower included. We cover 683 towns and villages across Hampshire, from the larger towns to small villages. We also work in Southampton, around 7 miles away.
We work across the SO51 postcode area for sand mastic and the streets around it. You will find streets such as Romsey Road and Salisbury Road, and we cover them all. Other places close to Ower include Wigley (1 mile north), Hillstreet (1 mile east), Copythorne (1 mile south-west), Winsor (1 mile south-west) and Newbridge (2 miles west). Within a short drive, we also cover Winchester (12 miles north-east), Eastleigh (8 miles east), Chandler's Ford (7 miles north-east), Hedge End (10 miles east), Lymington (13 miles south) and Romsey (4 miles north-east).
Local landmarks in Ower
The closest station to Ower is Totton station, roughly 3 miles south-east. Nearby you will also find Eling Experience (2.8 miles south-east) and Tatchbury Mount Hospital (1.1 miles south). Not far away are Copythorne Common.
When something else is needed
New sealant can’t fix everything, and we’d rather say so up front. It will not solve:
- Decayed frames that need repair
- Damaged stone surrounds
- Sash cords, weights and draught-proofing of the sashes
If in doubt, call 0345 464 0079 or send us an email and we’ll say what we think.
Joints and surfaces we work on
- Brick reveals
- Stone surrounds
- Sash and case windows
- Period & listed homes
- Tenement windows
- Timber door frames
Keeping the joints in good condition
How long the joints last depends on use and care. We suggest:
- Get any rot dealt with first
- Do not paint over the new mastic
- Find out about consent before window work on a listed home
- Check the mastic when you check the paintwork
Check the mastic when you check the paintwork. Catching cracks early keeps repairs small.
It’s best to renew mastic before painting the windows. Painting over failed mastic hides the problem for a while.
How the job changes by surface
Sash and case windows
A sash window’s box frame sits in the masonry opening. Sand mastic seals the joint round it.
Period and listed homes
On a listed home or in a conservation area, the right material matters. Like-for-like sand mastic is generally favoured.
Can I do it myself?
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.
The biggest DIY mistake is sealing over old sealant. New silicone will not bond to old, so it lifts and traps water and mould underneath. All the old material has to come out first.
Landlord and commercial work in Ower
We also work for property managers and facilities teams in Ower and across Hampshire. Several sites can go on one quote.
Water getting past a failed joint can damage the building, which matters even more when someone else lives there. Keeping joints in good order is simple maintenance.
How the visit works
We bring everything the job needs with us. Once we have agreed what’s being done, the area is protected and the work begins. It normally takes a few hours per window, depending on the condition of the joints. In a small place like Ower, access is generally the main thing to plan. 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.
Before we arrive
- Clear the area around the work
- Try not to wet indoor joints just before the visit
- Tell us if parking is tricky
Get a quote
Asking for a quote is easy: let us know the job and the location and its rough size. A few pictures by email make the job easier to understand, and we will come back to you with a quote.
Read more
Do you need sand mastic in Ower?
Paint, silicone or cement used over old mastic causes problems. They do not suit the joint and we normally remove them.
People normally contact us when they notice something like this:
- A silicone bead on a sash window that spoils the look
- Gaps where the frame meets the masonry
- Gaps round a timber door in stone or brick
- Draughty sash windows at the surround
Rented homes near Totton station change hands often, and any sash windows need sound mastic to keep draughts and rain out.
What your quote should include
- How hidden problems are handled
- Whether they’re fully insured
- Whether VAT is included
- Who turns up on the day