Windsor and Maidenhead · England
Sand mastic for sash & case windows in Woodside, Windsor and Maidenhead
Specialist sand mastic for Woodside: careful preparation, the right product and tidy work. Call for a quick quote.
- Window mastic to renew ahead of painting
- Mastic dropping out of the joint
- Cracked mastic round a front door frame
Sand mastic in Woodside, done properly
Our applicators renew the sand mastic around sash and case windows and doors set in stone or brick. Out comes the old, loose mastic, the joint is prepared and new mastic is shaped by hand. We work on period & listed homes, sash and case windows and timber door frames, and people most often call us about draughty sash windows at the surround and silicone on a period window that looks wrong.
Somewhere as small as Woodside, older homes often have timber frames set in stone or brickwork. Not every older frame suits a modern silicone bead, so the sealant has to be chosen to suit the building.
Each job carries a 12-month guarantee, whatever its size.
- Where
- Woodside (SL4)
- Wider area
- Windsor and Maidenhead
- Cover
- One year on every job
- Quote
- Quoted before any work starts
- Telephone
- 0345 464 0079
- Page updated
- 26 October 2026
What affects the quote in Woodside
Call for a quick quote. What matters most is:
- Any mould that needs treating
- How much there is to do
- How much old sealant there is and how hard it is to remove
- Working hours on commercial sites
Homes and businesses are quoted the same way: the amount of work, the access and the products needed, along with when we can work on site. Ask us for a quote and we’ll go through it with you.
What to tell us for a quote
Photos help, but a description is a good start. Please mention:
- Whether it’s a home or a business
- A few photos by email, if you can
- The address or postcode of the job
- The rough size of the job
We quote each job on its own. Simply ring 0345 464 0079 or send us an email and describe the job.
Landlord and commercial work in Woodside
Mouldy or split sealant often shows up at the end of a tenancy. We can quote for more than one property at once.
Letting agents often deal with us directly. Send the address, what’s needed and the access arrangements.
When to call us in Woodside
Rain on the window surround works into any crack and loosens it further. Exposed elevations normally fail first.
Look out for these signs:
- Mastic that needs renewing before redecorating
- Cracked mastic round a front door frame
- Gaps where the frame meets the masonry
- Old cement repairs round a window that have failed
Managing a site like Cranbourne Primary School? Then the mastic around its windows and doors needs looking after like any other building’s.
Comparing quotes
- Whether the sealant suits the joint
- What happens if they find a problem under the old sealant
- How the surfaces are prepared before sealing
- What guarantee comes with the work
Also near Woodside
What else we do in Woodside
How the job changes by surface
Period and listed homes
On a listed home or in a conservation area, the right material matters. Sand mastic is often the preferred finish.
Timber door frames
Period doors in stone or brick openings are often pointed with sand mastic. We renew it the same way as on windows.
Looking after it afterwards
How long the joints last depends on use and care. Here’s what we suggest:
- Go gently near the mastic when preparing windows
- Find out about consent before window work on a listed home
- Check the mastic when you check the paintwork
- Ask us before painting near the mastic
Leave the new mastic unpainted, as traditional guidance advises. Ask us before any decorating around it.
Good mastic helps keep the frame dry. Once it fails, water can sit against the timber, which can lead to rot.
When something else is needed
Sealant isn’t the answer to every problem, and we’d rather say so up front. It won’t solve:
- Broken panes
- Decayed frames that need repair
- Sashes that rattle, stick or will not open
If you’re not sure, just call 0345 464 0079 or send us an email and we will give you a straight answer.
What we seal
- Sash and case windows
- Timber door frames
- Brick reveals
- Stone surrounds
- Period & listed homes
- Tenement windows
Common questions in Woodside
Do you cover smaller places like Woodside?
Yes, Woodside is covered. 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 Ascot station?
Yes. We work for landlords and agents as well as householders, and several properties can go on one quote. You can ring 0345 464 0079 or email us with the details for a clear quote.
What do you put in the joint?
Quality sealants from brands including Arbo and Everbuild, chosen to suit the joint. We will tell you what we’re using and why.
When will the new mastic be hard?
A skin forms quite soon, but full hardening takes longer. We’ll tell you what to expect for your job.
Can you work on commercial sites?
Yes. Commercial and hotel work is a large part of what we do, as well as homes. We can talk about working times when we quote.
Does someone need to be in?
Access is agreed with you when the job is booked. For inside work, that normally means someone being in.
Is the work guaranteed?
You get our one-year guarantee to all our work.
How long does sand mastic take?
A typical job takes a few hours per window, depending on the condition of the joints, including preparation and clearing up. Your quote will say how long we expect yours to take.
How it works
We work through the job in order: protect, prepare, seal, tidy. Typically it takes a few hours per window, depending on the condition of the joints, and the area is left clean. Somewhere like Woodside needs a little journey planning: tell us about narrow lanes, gates, long drives and where we can park. Everything for the job comes with us, so a second trip is avoided where possible.
- First we agree which joints need doing.
- 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.
- The surface is finished to suit the stone or brick.
Before we arrive
- Tell us about any water getting in
- Tell us about any previous sealing or DIY attempts
- On commercial sites, let us know about site rules
How to get a quote
For a quick quote, get us on the phone, or email us if that’s easier. Tell us about the joints that need doing and we will explain what’s involved.
Related advice
Woodside 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 St Leonard's Hill (about 2.6 miles north) nearby, there’s older building stock in the area around Woodside as well as newer homes. Where a home is older, older frames set in brick or stone need a sealant that suits them, and sometimes that’s traditional sand mastic.
For an older house near a landmark such as Church of St Peter, the joint between an old wall and a newer frame is generally the first place rain gets in. For landlords with property near Ascot station, any sash windows need sound mastic to keep draughts and rain out.
Woodside is about 3 miles south-west of Windsor, in Windsor and Maidenhead. Every kind of property in Woodside is covered for sand mastic, old or new, large or small. The work is guaranteed for a year. Our area takes in 57 places across Windsor and Maidenhead, from the larger towns to small villages. Our Reading page covers work nearby, about 13 miles away.
Jobs for sand mastic in SL4 is quoted and booked the same way as anywhere else. Whether your property is on Woodside Road, Fydlers Close and Kiln Lane or a nearby road, our applicators can take on the job. Other places close to Woodside include Plaistow Green (1 mile north-west), Brookside (1 mile south-west), Cheapside (1 mile south-east), Cranbourne (1 mile north) and The Village (1 mile north-east). Larger places within reach include Maidenhead (7 miles north-west), Windsor (3 miles north-east), Boyn Hill (6 miles north-west), Cookham (9 miles north), Furze Platt (8 miles north-west) and Dedworth (3 miles north).
Landmarks near Woodside
We work in homes and buildings around Papplewick School, Silwood Park and Rose pub and the streets around them. Woodside’s nearest station is Ascot station, about 1.8 miles south of the centre. Other landmarks nearby include Windsor Castle (4.5 miles north-east) and Heatherwood Hospital (1.7 miles south-west). Green spaces nearby include Bray Pit and Virginia Water Lake.