Reading · England
New Build Mastic in Caversham
Problem with your new-build sealant joints in Caversham? We remove the old material, prepare the joints and seal them properly, with a 12-month guarantee.
- Frame joints opening as the plaster dries
- Untidy sealant flagged on a snagging list
- Gaps between new skirting and floors
About our new build mastic in Caversham
For builders and developers, we work through plots to the schedule you give us. We seal bathrooms, kitchens, windows, doors and skirting so plots are ready to hand over using the right product for each joint. We work on show homes, kitchens and skirting & floors, and the jobs we see most are cracked sealant around new window and door frames and gaps between new skirting and floors.
In a town like Caversham, skirting and floor joints open up as homes settle and floors move with the seasons. Those joints need a flexible sealant, as rigid filler soon cracks out.
Each job carries a 12-month guarantee, whatever its size.
- Location
- Caversham (RG4)
- Wider area
- Reading
- Cover
- One year on every job
- Price
- Quoted before any work starts
- Call
- 0345 464 0079
- Page updated
- 26 October 2026
Keeping the joints in good condition
Simple care keeps the joints in good condition. Our advice:
- Open a window or run the fan after bathing
- Wait for the cure time before using a resealed shower
- Report sealant problems to your builder during the snagging period
- Look at the sealant regularly in the first couple of years
Don’t stand on the bath edge or the lip of the tray in the first few weeks. Report any movement in a bath or tray.
Early snagging is easier snagging. Left alone, a small crack can become a leak.
Also near Caversham
What else we do in Caversham
New build mastic around Caversham
The South East is one of the drier parts of the UK, yet outdoor joints still have to be sealed dry, so jobs are booked with the weather in mind.
If you’ve bought a new home near Reading station, the sealant around baths, showers and frames is worth checking in the first year or two. In and around Caversham, as anywhere, good new build mastic starts with a clean, dry, properly prepared joint.
Caversham is about 2 miles north of Reading, in Reading. We carry out new build mastic for householders, landlords and businesses in Caversham and the surrounding area, as part of our work across Reading. Caversham is one of 34 towns and villages in Reading we cover.
All of RG4 is within our area for new build mastic, from the main roads to the quietest streets. Streets in the area include Marshland Square, Church Road and Buckingham Gate, all of which we cover. Caversham is on the B3345, so it’s easy for us to get to with everything needed for new build mastic. Close by, we work in Emmer Green (1 mile north-east), Caversham Park Village (1 mile north-east), Lower Caversham (1 mile south), Caversham Heights (1 mile west) and Littlestead Green (1 mile north-east). Further out, we also cover Norcot (3 miles south-west), Tilehurst Within (3 miles south-west), Shinfield (5 miles south), Arborfield Garrison (7 miles south-east), Horncastle (3 miles south-west) and Whitley Wood (4 miles south). Being one of Reading’s larger places, Caversham has homes, rented property and businesses of every kind.
Local landmarks in Caversham
We work in homes and buildings around Chiltern Nursery Nurse Training School, The White Horse pub and Eldon Square. For rail, the closest station is Reading station, about 1.3 miles south. A little further out are Royal Berkshire Hospital (1.9 miles south) and Broad Street Mall (1.6 miles south). Not far away are South Lake and Sonning Hill.
Work for landlords, hotels and businesses
Failed sealant is one of the commonest items on a check-out report. We can quote for more than one property at once.
For anyone letting property in or around Caversham, several properties can go on one quote. Just tell us the addresses and what each one needs, and photos by email help.
Your questions about new build mastic in Caversham
What guarantee comes with new build mastic in Caversham?
Every job comes with our 12-month guarantee, wherever it is. We are fully insured, and an ARBOMaster approved applicator.
Do you work for landlords with property near Reading station?
Yes, we work for letting agents and landlords. Just call 0345 464 0079 or send us an email and tell us about the property, and we will give you a clear quote.
Where are you based?
Mr Mastic is based in Crawley. Our applicators cover Caversham, along with the rest of our area.
Can you match the sealant colour to my new kitchen or bathroom?
It depends on the joint: white or clear for most sanitary joints, colours for worktops, floors and frames. We agree the colour before work begins.
Do you work through snagging lists?
Yes. Send it with pictures and we’ll quote for the sealant items. If something is not sealant, we will say so.
Do you do commercial work?
Yes. Larger jobs can be planned room by room or area by area.
Will there be a smell?
Sometimes, a little. It fades as the sealant cures, and ventilation helps.
How long will you be here?
Typically it takes anything from a few hours to several days, depending on the number of plots. Bigger jobs take longer, and we will tell you how long to expect.
How the job changes by surface
Kitchens
Worktops in new homes can move slightly as the house dries, opening gaps behind the upstand. We reseal them with a flexible sealant.
Plot handovers
Developers can send the plot schedule and specification and we will quote. Sealant work across the plot is covered as agreed.
Quotes for new build mastic in Caversham
Jobs vary more than people expect. The main factors:
- How many areas need sealing
- Mould in or behind the old joints
- The amount of work
- The old material and how stubborn it is
Instead of a standard rate, we price the job in front of us: how many joints, what’s in them now and how we reach them. The price is agreed before we begin.
What to tell us for a quote
Before you ask for a quote, have a think about:
- Any previous sealing or DIY work
- The address or postcode of the job
- The problem you’ve noticed
- How many joints, rooms or windows are involved
The more we know about the job, the more useful the quote. Let us know the location, the problem and roughly how many joints, and email pictures if that’s easy.
What we cannot put right
Before you book, it’s worth knowing the limits:
- Cracking that points to a structural problem
- Disputes or warranty claims with your builder
- Broken tiles or a split tray
If you are not sure, just ring 0345 464 0079 or drop us an email and we’ll give you a straight answer.
What we seal
- Show homes
- Plot handovers
- Windows & doors
- Bathrooms & en suites
- Skirting & floors
- Kitchens
How the visit works
We work through the job in order: protection first, then preparation, sealing and a tidy-up. For most jobs that takes anything from a few hours to several days, depending on the number of plots. In Caversham, parking is rarely complicated, though it helps to know about driveways or restrictions, and let us know if the work is upstairs, in a flat or up high outside.
- Each joint is checked for movement before work begins.
- We remove the failed sealant and clean the joints.
- Joints are dried and primed where the product calls for it.
- Baths are filled with water, then the new sealant is applied.
- The finished joints are checked and the cure times given.
Preparing for the visit
- On commercial sites, let us know about site rules
- Where the joints are inside, avoid wetting them before we arrive
- Let us know about earlier repairs to the joints
Get a quote
For a quick quote, get us on the phone, or send an email if you’d rather. Describe what needs sealing and we will talk you through the work.
Related advice
Leave it or put it right?
For developers, getting the sealant right first time saves return visits. Snagging visits for failed sealant cost time on every plot, and they’re avoidable with good preparation. In a family home in Caversham, a failed seal around a bath or a frame lets water into places you cannot see, such as under the floor, behind a panel or into a wall. Left alone, that means rot, damp and a bigger repair.
What it costs depends on how much there is to do, how much old material has to come out and access to the work. You’ll have a clear quote before any work starts, so you know where you stand.
Why Caversham customers choose us
- Quality sealants from Arbo and Everbuild
- We never seal over old sealant
- We’re fully insured
- Homes, businesses and hotels
Take a look at how sealant jobs are priced or our reviews.