Hampshire · England
Upper Chute New Build Mastic
Plot mastic for developers and snagging failed sealant in new homes for homes and businesses in Upper Chute and across Hampshire. ARBOMaster approved applicators, fully insured, with a one-year guarantee.
- Shower seals failing in the first year or two
- Internal frame sealant that has split
- Sealant work across a run of new homes
New build mastic in Upper Chute: local notes
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.
Around Upper Chute, as everywhere, new build mastic is only as good as the preparation behind it.
Upper Chute is about 6 miles north-west of Andover, in Hampshire. We carry out new build mastic for householders, landlords and businesses in Upper Chute and nearby. Upper Chute is one of 683 towns and villages in Hampshire we cover. Our Southampton page covers work nearby, about 26 miles away.
Here we cover the SP11 postcode area for new build mastic. Close by, we work in Chute Forest (2 miles south-east), Tangley (2 miles east), Redenham (3 miles south), Faberstown (3 miles south) and Clanville (3 miles south-east). Within a short drive, we also cover Andover (6 miles south-east), Tidworth (5 miles south-west), Ludgershall (3 miles south-west), Whitchurch (11 miles east), East Anton (6 miles south-east) and Overton (14 miles east).
Local landmarks in Upper Chute
In Upper Chute, that means homes and buildings near Hatchet Inn and the streets around them. Nearby you will also find Andover War Memorial Hospital (5.8 miles south-east) and Ludgershall Castle (2.8 miles south-west).
How we handle new build mastic in Upper Chute
Dust is the enemy of new-build sealant. Each joint is cleaned of dust and primed where the product calls for it, so the new bead bonds properly. Common call-outs are for new-build shower sealant that has already split and cracks appearing as a new home settles, across bathrooms & en suites, kitchens and plot handovers.
Older homes in small places like Upper Chute often have timber floors that move with the seasons, which is why skirting and threshold joints need a flexible sealant, not filler.
Your job is guaranteed for a year, as with all our work.

- Place
- Upper Chute (SP11)
- Wider area
- Hampshire
- Guarantee
- One year on every job
- Price
- Quoted before any work starts
- Telephone
- 0345 464 0079
- Page updated
- 26 October 2026
Common problems we fix in Upper Chute
New homes are full of moisture from plaster, screed and concrete, and it dries out over the first couple of years. Drying timber shrinks and pulls joints apart.
Common reasons people contact us include:
- Worktop and upstand sealant coming away
- Cracked caulk along new skirting
- Gaps opening as the house dries out and settles
- Sealant work across a run of new homes
Whether the job is in Upper Chute itself or nearby, the right material for each joint matters as much as a neat finish.
Questions to ask before booking
- The length of the guarantee
- How the joint is cleaned and prepared
- How much experience the applicator has
- When the joint can take water or movement
Upper Chute: your questions answered
Is Upper Chute in your area for new build mastic?
Yes, Upper Chute is within the area we cover. We work across London and the South East. Just call 0345 464 0079 or drop us an email with a few details of the job.
What guarantee comes with new build mastic in Upper Chute?
Every job comes with our one-year guarantee, wherever it is. We are also fully insured and ARBOMaster approved.
Will you just run a new bead over the existing one?
No. New silicone will not bond to old silicone, so sealing over the top fails quickly. We cut the old bead out completely.
Do you take on second-fix sealing for builders?
Yes. We work through plots to your schedule ready for handover. Get in touch with the number of plots and the scope for a clear quote.
Should I go to my builder first?
While the snagging or warranty period runs, the builder should be your first contact. If it isn’t sorted, or keeps failing, get in touch with us.
Does someone need to be in?
If the work is inside, we need someone to let us in. Once we have agreed the job, you don’t need to watch us work.
Do the sealants smell?
Some sealants have a smell while they cure, which fades as it sets. Ventilation helps.
Can you quote for more than one area?
Yes. Just list everything you need.
Different surfaces, different methods
Plot handovers
Good preparation at handover saves snagging later. We clean out building dust before sealing.
Bathrooms and en suites
New-build bathrooms and en suites are where sealant fails most often. We cut out the failed bead, clean and prime, and reseal with anti-fungal sanitary silicone.
What sealant work can’t fix
In fairness, some problems need a different trade:
- Deciding who is responsible under a builder’s warranty
- Cracked trays, tiles or worktops
- Movement caused by a poorly fitted tray or bath
Not sure which it is? You can phone 0345 464 0079 or email us and we will tell you honestly.
Where we work in Upper Chute
- Windows & doors
- Bathrooms & en suites
- Plot handovers
- Skirting & floors
- Show homes
- Kitchens
For landlords and businesses
In hotels, rooms out of use cost money, so we plan the work room by room. Hotel work is part of what we do, alongside homes and businesses.
Failed sealant is one of the commonest items on a check-out report, and it’s easy to sort out between tenants. We can quote for more than one property at once.
What we do, step by step
Before we leave, we go over the finished joints with you and tell you how long to leave it. The work normally takes anything from a few hours to several days, depending on the number of plots, depending on the size of the job. Somewhere as small as Upper Chute, access is often the only tricky part. For outside work, also let us know about exposed walls and any outbuildings involved.
- We start by going through the snagging items or plot schedule with you.
- The failed sealant is removed completely down to clean surfaces.
- We clean out the dust and grit left from the build.
- Primer goes on where the surface and product need it, then the new sealant.
- Each bead is tooled and the cure times explained.
How to prepare
- Mention any sign-in or site rules at work premises
- Let us know about earlier repairs to the joints
- Clear items away from the joints we are working on
Get a quote
Asking for a quote is easy: let us know what needs doing and where and its rough size. Photos by email help us understand the job, and we will take it from there.
Advice
How we quote for new build mastic
We don’t publish a price list, because no two jobs are the same. The quote depends on:
- Any working-time requirements on site
- How many rooms, windows or areas are involved
- Mould in or behind the old joints
- How easy the joints are to reach
We do not show prices on the website, because the cost depends so much on the job itself. Call for a quick quote and we will talk you through it.
What we need to know
What to tell us when you ask for a quote:
- Whether it’s a home or a business
- Where the job is, and your postcode
- The problem you’ve noticed
- A few photos by email, if you can
Call for a quick quote, or email us if that is easier. Describe what needs sealing and we will talk you through the work and give you a clear price.
How to look after the new joints
Once the sealant has cured, a few habits help it last:
- Photograph failed sealant before it’s redone
- Look at the sealant regularly in the first couple of years
- Avoid scourers and strong chemicals on sealant
- Wait for the cure time before using a resealed shower
Wipe the sealant with warm soapy water. Keep scourers and harsh chemicals off it.
A failed seal in a new home lets water into joists, plasterboard and ceilings. Early resealing keeps the job small and protects the rest of the house.
