Hampshire · England
Red Post Bridge Sand Mastic
Sand mastic across Red Post Bridge and nearby, with every bit of old sealant taken out first and a one-year guarantee.
- Gaps between timber frames and stone or brick
- Mastic dropping out of the joint
- Gaps round a timber door in stone or brick
Sand mastic in Red Post Bridge
Sand mastic does not last for ever, leaving gaps round the window. Renewing it closes the gap so the surround looks right again. If you have patchy fillers round a sash window and cracked mastic round a front door frame, we can help.
Somewhere as small as Red Post Bridge, older homes often have timber frames set in stone or brickwork. Older buildings like these do not always suit modern silicone, so the sealant has to be chosen to suit the building.
You’re covered for a year from the day we finish. If there’s a problem with it, please phone 0345 464 0079 or drop us an email.
- Where
- Red Post Bridge (SP11)
- Region
- Hampshire
- Cover
- A year, on every job
- Quote
- A clear price before any work starts
- Phone
- 0345 464 0079
- Updated
- 26 October 2026
Surface by surface
Brick reveals
An open joint at a brick reveal lets weather in. New mastic seals the gap.
Sash and case windows
The box of a sash and case window sits in the stone or brick opening. The gap round it is pointed with sand mastic.
How the visit works
On the day, we look over the joints with you first, so you know exactly what we are doing. We protect the surfaces around the joints before any work begins. Most jobs take a few hours for a single window, longer for several. In a small place like Red Post Bridge, access is generally the main thing to plan. 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.
- Deep gaps are packed so the mastic sits at the right depth.
- The sand mastic is mixed and pressed into the joint by hand.
- We dress the finish so it sits neatly against the masonry.
Preparing for the visit
- Mention any parking rules near the property
- Try not to wet indoor joints just before the visit
- Clear the area around the work
Getting a quote
To get a quote, ring 0345 464 0079 or send us an email and tell us where the job is and what the problem looks like. You’ll have a clear quote before we start.
Advice
What sand mastic looks like in Red Post Bridge
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.
For landlords with property near Andover station, cracked sand mastic around sash windows lets in the draughts tenants complain about. Schools such as John Hanson Community School are buildings too, and the mastic around its windows and doors needs looking after like any other building’s.
Red Post Bridge is about 2 miles west of Andover, in Hampshire. Our applicators cover sand mastic for householders, landlords and businesses in Red Post Bridge and nearby, as part of our work across Hampshire. 683 places in Hampshire are on our list, from the larger towns to small villages. Our Southampton page covers work nearby, about 21 miles away.
Postcode districts we cover here for sand mastic: SP11. Whether your property is on Newall Road, Andover Road and Red Post Lane or anywhere close by, our applicators can take on the job. If you are just outside Red Post Bridge, we cover Penton Corner (1 mile north), Weyhill (1 mile north-west), Penton Grafton (1 mile north), Penton Mewsey (2 miles north) and East Cholderton (2 miles west). We also work in nearby towns such as Winchester (14 miles south-east), Romsey (15 miles south), Hyde (13 miles south-east), Tidworth (6 miles north-west), Weeke (13 miles south-east) and Stanmore (14 miles south-east).
Around Red Post Bridge
Typical jobs here are in homes near The Black Swan Public House and the streets around them. Red Post Bridge’s nearest station is Andover station, roughly 1.9 miles east. A little further out are Andover Museum (2.6 miles east) and Andover War Memorial Hospital (2 miles north-east). Not far away are Mill Lake and Anton Lakes.
Places near Red Post Bridge
What else we do in Red Post Bridge
How we quote for sand mastic
We don’t publish a price list. What we look at:
- Mould in or behind the old joints
- The product the joint needs
- Whether the work is at height
- The old material and how stubborn it is
Combining jobs into one visit usually makes better use of the time than several visits. We will give you a clear quote for the lot.
Asking for a quote
Photos by email are helpful but not essential. Please mention:
- A few pictures by email, if you can
- Whether it has been sealed before
- The type of property
- What the problem is, such as mould, gaps, leaks or cracking
Want a quote for sand mastic? Please phone 0345 464 0079 or send us an email with a few details. You will know what we plan to do, and what it will cost, before any work begins.
Looking after it afterwards
Joint life depends on how it’s used and looked after. Here’s what we suggest:
- Plan mastic work ahead of painting
- Look over the window mastic once a year
- Don’t run silicone over sand mastic
- Check with your local planning authority if your home is listed
Look at the mastic when you look over the windows. Small cracks are easier to deal with early.
Renewing mastic before redecorating saves doing it twice. Paint over cracked mastic only covers it up.
Red Post Bridge: your questions answered
Do you cover Red Post Bridge for sand mastic?
Yes. We work across London and the South East, and Red Post Bridge is part of that. Just ring 0345 464 0079 or drop us an email with a few details of the job.
Is Red Post Bridge within the area you cover?
Yes. Red Post Bridge 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.
Do you work for letting agents?
Yes. We work in homes, commercial premises and hotels, and we are fully insured.
How long does sand mastic take?
That depends on the amount of work, but as a guide it takes a few hours per window, depending on the condition of the joints. We will tell you when we quote.
Do you offer different sealant colours?
We will suggest a colour to suit the surroundings. The choice depends on the product the joint needs.
Is sand mastic better than silicone for my windows?
It depends on the window. Period windows in stone or brick normally suit sand mastic and newer frames generally get a flexible sealant.
Can I do it myself?
That depends on the joint. Work at height, movement joints, fire-rated gaps and large areas are best left to a professional, while a short indoor joint may be within reach.
Do you take out the old sealant first?
Yes. All of the old material is cut out and the joint cleaned before applying anything new.
Landlords, agents and businesses in Red Post Bridge
Letting agents and landlords in Red Post Bridge can book us as well as homeowners. Sealant work between tenants keeps a property looking cared for before the next move-in.
Whether it’s one flat or a portfolio, you get the same standard of work: the old material taken out, careful preparation and a 12-month guarantee.
When to call us in Red Post Bridge
Sand mastic slowly weathers. It hardens, cracks and starts to come away on the stone or timber.
It’s worth asking for a quote if you see:
- Gaps where the frame meets the masonry
- Mastic dropping out of the joint
- Mastic round period door frames that has failed
- Weathered mastic on the most exposed windows
If you live in an older home near Church of St Mary, frames set in older brick or stone need a sealant that suits the wall as well as the frame.
Comparing quotes
- Whether you can choose the colour
- How long to leave it before use
- Is the old sealant removed completely?
- What insurance they hold
Leave it or put it right?
Replacing sash windows is a big decision for a period home and on a listed home, consent may be needed. Where the frames are in good order, new mastic seals the surround. Older cottages and farmhouses around Red Post Bridge can have timber floors and frames, where water from a failed joint can cause rot if it’s left.
A few things move the cost up or down: the old material and how easily it comes out, any mould to treat, and whether we need extra access for height. Your quote takes all of that into account.
Why Red Post Bridge clients choose us
- We never seal over old sealant
- Homes, businesses and hotels
- One-year guarantee on every job
- Quality sealants from Arbo and Everbuild
Take a look at how sealant jobs are priced or our reviews.