Wokingham · England
Sand mastic for sash & case windows in Woodley, Wokingham
Sand mastic for Woodley, by sealant specialists with 20+ years’ experience. 180+ five-star Google reviews and a 4.9 rating.
- Tired mastic found when preparing windows for paint
- Silicone on a period window that looks wrong
- Draughty sash windows at the surround
How we handle sand mastic in Woodley
We renew sand mastic around sash windows and doors set in stone or brick. The old mastic is raked out, the joint is prepared and new mastic is shaped by hand. We work on stone surrounds, brick reveals and sash and case windows, and people most often call us about weathered mastic on the most exposed windows and patchy fillers round a sash window.
In a town like Woodley, older houses sit alongside newer estates, with windows of every age. In every case, the joint between frame and wall is what keeps water out.
Whatever the size of the job, you get the same 12-month guarantee in Woodley and across Wokingham.
- Place
- Woodley (RG5, RG6, RG10)
- Region
- Wokingham
- Guarantee
- One year on every job
- Quote
- Quoted before any work starts
- Phone
- 0345 464 0079
- Last updated
- 26 October 2026
Should I try it myself first?
Some sealant jobs are within reach of a careful DIYer, like a short, easy-to-reach joint indoors. The common mistakes are sealing over old sealant, sealing a damp joint and using far too much.
Not every job suits DIY: work at height, external movement joints, fire-rated sealant and large areas need the right product, the right access and the right method.
Surface by surface
Tenement and terrace windows
Tenements and terraces often have many sash windows with ageing mastic. We can do one window or several.
Sash and case windows
The mastic round a sash window is on show, so a neat, even finish matters.
What we’re called out for in Woodley
Rain on the window surround works into any crack and loosens it further. Exposed elevations generally fail first.
Common reasons people contact us are:
- Open joints round the window box
- Mastic that needs renewing before redecorating
- Modern sealant on a period surround
- Old sand mastic that has cracked, crumbled or fallen out
Letting a property close to Winnersh Triangle station? Then cracked sand mastic around sash windows lets in the draughts tenants complain about.
Before you book anyone
- How long to leave it before use
- Are they insured?
- How much experience the applicator has
- Is VAT in the price?
Why it’s worth doing now in Woodley
New sash windows are a major, costly change and on a listed home, consent may be needed. Where the frames are in good order, new mastic seals the surround. Black mould and gaps in sealant do not fix themselves, and in a busy household in Woodley they spread with every shower and every downpour. Replacing the sealant now is the simplest fix.
Commercial jobs are quoted on the same basis as homes: the amount of work, the access and the products needed, plus any working-time requirements on site. Ask us for a quote and we’ll go through it with you.
What you get with us
- 4.9 on Google from 180+ five-star reviews
- Trusted Arbo and Everbuild sealants
- Homes, businesses and hotels
- Old sealant always removed completely
See our cost guide or customer reviews.
What we do, step by step
We keep the work tidy and contained to the joints we are treating. The job normally takes a few hours for a single window, longer for several, and we tell you how long to leave it before we go. A visit in Woodley needs access to the work and a place to park close by. If the job is outside, mention gates, side access and anything above ground floor.
- First we agree which joints need doing.
- Old mastic and any loose material are raked out.
- We pack any deep voids first.
- We apply the mastic by hand and shape it.
- We dress the finish so it sits neatly against the masonry.
Getting ready for the visit
- On commercial sites, let us know about site rules
- Plan for the work area to be out of bounds to pets and children
- Tell us about any previous sealing or DIY attempts
Getting a quote
If you are in Woodley and need sand mastic, ring 0345 464 0079 or drop us an email. A short description of the job and where it is helps us quote, and you’ll get a clear quote before work begins.
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Nearby places to Woodley
Also in Woodley
Sand mastic in Woodley: local notes
Rainfall in the South East is lower than in much of the UK, though outdoor sealant still has to go onto a dry joint, so the forecast decides the day.
In the older streets around United Reformed Church, frames set in older brick or stone need a sealant that suits the wall as well as the frame. Managing a site like Rivermead Primary School? Then its window and door frames need their mastic kept sound, just like a home’s.
Woodley is about 3 miles east of Reading, in Wokingham. Woodley gets the same service as everywhere we cover: old sealant removed completely, careful preparation and a one-year guarantee. Woodley is one of 35 places in Wokingham we cover for sand mastic.
Our applicators cover all of the RG5, RG6 and RG10 postcode area for sand mastic. If you need sand mastic at a property on Church Road, Jasmine Square and London Road or anywhere close by, we can help. Woodley sits on or near the A4 and A3290. Other places close to Woodley include Charvil (2 miles north), Whistley Green (2 miles east), Winnersh (2 miles south), Hurst (2 miles east) and Twyford (2 miles north-east). We also work in nearby towns such as Reading (3 miles west), Wokingham (4 miles south-east), Crowthorne (7 miles south-east), Woosehill (3 miles south-east), Emmbrook (3 miles south-east) and Coley Park (4 miles west). As one of the bigger places in Wokingham, Woodley has every kind of property, from flats to offices.
What’s near Woodley
Around Woodley, our work takes us to homes and buildings near Waingels College, Ali's Pond Local Nature Reserve and The Bull And Chequers pub and the streets around them. The closest station to Woodley is Winnersh Triangle station, about 1.2 miles south of the centre. A little further out are Berkshire Library & Museum of Freemasonry (2.1 miles south) and Royal Berkshire Hospital (2.7 miles west). For a walk, there’s South Lake and Alder Moors.
Your questions about sand mastic in Woodley
Is Woodley in your area for sand mastic?
Yes, Woodley is within the area we cover. Our work covers London and the South East. Just ring 0345 464 0079 or email us with a few details of the job.
What guarantee comes with sand mastic in Woodley?
All our work, in Woodley and everywhere else, comes with a 12-month guarantee. We are fully insured, and an ARBOMaster approved applicator.
Can you replace silicone on a period window with sand mastic?
Yes, it’s a common request. All the old silicone is removed first so the mastic can sit properly.
What do you need from me for a quote?
The location, the problem and the rough size of the job. If you can, email a few photos.
Is sand mastic better than silicone for my windows?
We will help you decide. Sand mastic suits many period homes and newer frames suit modern sealant.
How long does the job take?
Most jobs take a few hours per window, depending on the condition of the joints, including the preparation. Your quote will say how long we expect yours to take.
Can you work on commercial sites?
Yes. Hotels, offices and other businesses use us, and we are fully insured.
How much does sand mastic cost in Woodley?
Size, access and the old material all affect the cost. Ask us for a quote and we will talk you through it.
How to look after the new joints
Joint life depends on how it’s used and looked after. We suggest:
- Clear gutters so water doesn’t pour onto the windows
- Ask the planning authority about consent for listed or conservation-area homes
- Renew mastic before redecorating the windows
- Ask us before painting near the mastic
Make sure water drains away from the window surround. Constant wetting wears the mastic faster.
Gaps round a sash box let in draughts and rain. The longer it’s left, the more the joint opens.
What sealant work cannot fix
It helps to know what we cannot do:
- Timber that has rotted
- Sashes that need overhauling
- Putty and glazing repairs
Not sure which it is? You can phone 0345 464 0079 or email us and we will tell you honestly.
Joints and surfaces we work on
- Stone surrounds
- Timber door frames
- Sash and case windows
- Brick reveals
- Period & listed homes
- Tenement windows