Wokingham · England
Sand mastic for sash & case windows in Barkham, Wokingham
Traditional burnt sand mastic around sash and case windows and doors in stone and brick for homes and businesses in Barkham and across Wokingham. Fully insured, ARBOMaster approved and guaranteed for a year.
- Mastic round period door frames that has failed
- Open joints round the window box
- Mastic worn away on windows facing the weather
What happens if it’s left?
If you’re redecorating, renew the mastic first. Paint over cracked mastic will not stop the gaps and traditional guidance is to leave the new mastic unpainted. Older cottages and farmhouses around Barkham can have timber floors and frames, and water through a failed joint can rot timber if it’s left.
Leaving a failed joint generally makes the job bigger, not smaller, because water and mould keep working on it. If you’re unsure, ring 0345 464 0079 or send us an email for an honest opinion and a quote.
Why us?
- Over 20 years’ experience
- We are fully insured
- Arbo and Everbuild products
- Every job guaranteed for a year
Take a look at what affects the cost and what customers say.
Sand mastic in Barkham
Old sand mastic cracks, crumbles and falls out over time, leaving gaps round the window. Renewing it closes the gap and tidies the surround. Common call-outs are for mastic that needs renewing before redecorating and cement or filler used on old window joints that has cracked, across sash and case windows, stone surrounds and timber door frames.
Around Barkham, 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 guaranteed for twelve months. If something isn’t right with it in that time, tell us and we will put it right.
- Location
- Barkham (RG40, RG41)
- Region
- Wokingham
- Cover
- One year on every job
- Quotes
- Quoted before any work starts
- Phone
- 0345 464 0079
- Page updated
- 26 October 2026
Common problems we fix in Barkham
Rain on the window surround works into any crack and loosens it further. Windows facing the weather tend to go first.
The most common problems we see are:
- Weathered mastic on the most exposed windows
- Crumbling sand mastic round a window
- Gaps round a timber door in stone or brick
- Mastic that needs renewing before redecorating
For landlords with property near Wokingham station, any sash windows need sound mastic to keep draughts and rain out.
What to look for in a quote
- What happens if they find a problem under the old sealant
- What guarantee comes with the work
- Who turns up on the day
- What the cure time is
What sealant work cannot fix
We’ll always be straight with you, so here’s what sealant cannot fix:
- Whether work needs listed building consent
- Broken panes
- Sashes that need overhauling
If in doubt, phone 0345 464 0079 or drop us an email and we’ll say what we think.
Where we work in Barkham
- Tenement windows
- Sash and case windows
- Stone surrounds
- Timber door frames
- Period & listed homes
- Brick reveals
Windows and doors in Barkham
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.
Managing a site like The Coombes Church of England Primary School? Then its window and door frames need their mastic kept sound, just like a home’s. In the older streets around Church of St James, frames set in older brick or stone need a sealant that suits the wall as well as the frame.
Barkham is about 2 miles south-west of Wokingham, in Wokingham. For sand mastic in and around Barkham, it’s easy to get a quote: please phone 0345 464 0079 or drop us an email. We are based in Crawley and cover Wokingham, Barkham included. 35 places in Wokingham are on our list, from the larger towns to small villages. Our Reading page covers work nearby, about 6 miles away.
Every address in RG40 and RG41 is within our area for sand mastic, from the main roads to the quietest streets. We cover properties on Barkham Road and Barkham Street and the roads around them. Close by, we work in Langley Common (1 mile west), Arborfield Garrison (1 mile south-west), California (1 mile south), Finchampstead (3 miles south) and Eversley (3 miles south). Further out, we also cover Reading (6 miles north-west), Woodley (4 miles north), Earley (3 miles north-west), Crowthorne (4 miles south-east), Lower Earley (3 miles north-west) and Newtown (5 miles north-west).
Local landmarks in Barkham
We work in homes and buildings around The Bull Public House And Smithy, Bohunt School Wokingham and Shepperlands Farm Nature Reserve and the streets around them. Barkham’s nearest station is Wokingham station, about 1.9 miles north-east. A little further out are Berkshire Library & Museum of Freemasonry (1.9 miles north) and Wokingham Hospital (1.7 miles north-east). For a walk, there’s Heath Lake and Holt Copse & Joel Park.
Places near Barkham
What else we do in Barkham
Questions from Barkham
Is Barkham within the area you cover?
Yes, we do. Our work covers London and the South East, and smaller places are part of that. The journey is planned ahead, so it helps to know about access.
Do you work for landlords with property near Wokingham station?
Yes, we work for landlords and letting agents. You can ring 0345 464 0079 or email us with the address and a few details, and we will give you a fixed price before work begins.
What do you put in the joint?
Quality sealants from brands including Arbo and Everbuild, chosen to suit the joint. We explain the product when we quote.
Where are you based?
Our base is in Crawley, West Sussex, and we cover South East England, London and all of Scotland.
Can I add another job to the visit?
Yes, and it often makes sense. Combining jobs makes good use of the visit, so mention them when you ask for a quote.
What should I tell you?
Just the basics: the address or postcode, what’s wrong and any access issues. Then ring 0345 464 0079 or drop us an email.
How do I get a quote for sand mastic in Barkham?
The cost depends on the size of the job, access and how much old sealant has to come out. Ask us for a quote.
Is it messy?
Not at all. We work neatly, protect the area around the joints and tidy up afterwards.
What the job involves on each surface
Sash and case windows
Sash windows are where we do most sand mastic work. Each joint round the box is raked out and renewed.
Stone surrounds
Sand mastic sits naturally against stone. It finishes to look like part of the surround.
How to look after the new joints
A little care helps the new joints last. We recommend:
- Clear gutters so water doesn’t pour onto the windows
- Check with your local planning authority if your home is listed
- Plan mastic work ahead of painting
- Get any rot dealt with first
Do not touch or press the mastic while it hardens. It forms a skin fairly soon but needs longer to fully harden.
Once mastic starts to crumble, rain gets in. That water can reach the timber frame and the wall so early renewal protects both.
Landlords, agents and businesses in Barkham
Whether it’s one flat or a portfolio, you get the same standard of work: old sealant fully removed, joints prepared properly and a 12-month guarantee.
We work for landlords and agents as well as householders. Sealant work between tenants is a simple way to keep a property in good order before the next move-in.
What we do, step by step
Before we leave, we go over the finished joints with you and explain the cure time. The work normally takes a few hours for a single window, longer for several, depending on the amount of work. Somewhere as small as Barkham, 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.
- We apply the mastic by hand and shape it.
- The surface is finished to suit the stone or brick.
Before we arrive
- Move anything stored near the joints
- On commercial sites, let us know about site rules
- Keep pets and children clear of the area while we work
Ask for a quote
For sand mastic in Barkham, phone 0345 464 0079 or drop us an email. Tell us what the problem is and where, and we’ll agree the price before any work begins.