Isle of Wight · England
Sand Mastic in Hulverstone
Our applicators work in Hulverstone on traditional burnt sand mastic around sash and case windows and doors in stone and brick. Old sealant removed completely, joints prepared properly and a 12-month guarantee.
- Failed mastic on an exposed elevation
- Wind and rain getting in round a sash window
- Open joints round the window box
About our sand mastic in Hulverstone
If your home is listed or in a conservation area, check with your local planning authority if consent is needed before window work. Sand mastic is often favoured as a like-for-like material. We are often asked to deal with gaps between timber frames and stone or brick and old sand mastic that has cracked, crumbled or fallen out, across stone surrounds, timber door frames and tenement windows.
Outdoor sealant needs dry, clean surfaces, so work on frames around Hulverstone is planned for dry weather. Let us know about access to all the frames, upstairs ones included.
We guarantee the work for a year. If there’s a problem with our work within the year, let us know and we will sort it.
- Where
- Hulverstone (PO30)
- Region
- Isle of Wight
- Cover
- 12 months on all our work
- Price
- Quoted before any work starts
- Telephone
- 0345 464 0079
- Updated
- 26 October 2026
Why act early in Hulverstone
New sash windows are a major, costly change, and in listed buildings it may need consent. Where the frames are in good order, new mastic seals the surround. Older cottages and farmhouses around Hulverstone can have timber floors and frames, where water from a failed joint can cause rot if it’s left.
The cost depends on the size of the job, how much old material has to come out and access to the work. We give a clear quote before work begins, so you know where you stand.
Why us?
- Trusted Arbo and Everbuild sealants
- 4.9 on Google from 180+ five-star reviews
- We leave the area clean and tidy
- A 12-month guarantee on all work
DIY sealant or a professional job?
A DIY attempt doesn’t rule out a professional job. We remove it and do the joint properly, so just mention it when you contact us.
If you do try it yourself, take your time over the preparation: take out all the old sealant, make sure the joint is clean and dry, and give it the full cure time. If it doesn’t work out, we can still put it right.
What the job involves on each surface
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.
Stone surrounds
The stone is treated with care while raking out the old mastic.
Looking after it afterwards
To keep the joints looking good and working properly:
- Have rotten timber repaired before new mastic goes in
- Renew mastic before redecorating the windows
- Ask the planning authority about consent for listed or conservation-area homes
- Look over the window mastic once a year
Leave the new mastic alone while it firms up. It skins over quickly but needs longer to fully harden.
Fine cracks show the mastic is starting to fail. It’s easier to renew it before it drops out.
Questions from Hulverstone
Does the coastal weather in Hulverstone affect outside sealant?
Near the coast, wind-driven rain and, nearer the shore, salt air make outside sealant work harder. The right product, a clean joint and the right depth all help it cope.
Can you do sand mastic in Hulverstone?
Yes, Hulverstone is within the area we cover. We work across London and the South East. Just ring 0345 464 0079 or email us with a few details of the job, and we will send you a clear quote.
What does sand mastic cost?
There’s no set price, as it depends on the job: its size, the old material, access and the product needed. We agree the price before any work begins.
Which is right for my windows, sand mastic or modern sealant?
For period timber windows in stone or brick, sand mastic is often the better fit. On modern frames, we’d normally use a flexible sealant.
I’m a tenant. Can you help?
Yes, but check with your landlord or agent first. Many landlords are glad to have it sorted.
What’s sand mastic made of?
It’s a mix of sand and a linseed-oil-based binder. It’s applied by hand and finished to sit neatly against the masonry.
Are you insured?
Yes. Full insurance covers our work, and we can confirm the details when we quote.
How long does sand mastic take to go off?
It takes a while. The skin forms first, and the full set comes later and we will give you an idea for your job.
Quotes for sand mastic in Hulverstone
Some jobs are bigger than they look, and some smaller. The main factors:
- The old material and how stubborn it is
- Mould in or behind the old joints
- The number of rooms or windows
- Any working-time requirements on site
A few things move the cost up or down: how much old sealant there is and how stubborn it is, whether mould needs treating, and whether the work is at height. We take all of that into account in your quote.
What to tell us for a quote
A few details help us give you an accurate quote. When you ask for a quote, tell us:
- How many joints, rooms or windows are involved
- Access, such as stairs, a lift or height
- Pictures of the joints, sent by email
- If it’s domestic, commercial or a hotel
There’s no standard price list. Instead, we send you a clear quote for your job. To arrange one, ring 0345 464 0079 or send us an email.
Landlord and commercial work in Hulverstone
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.
Water getting past a failed joint can damage the building, which is a bigger problem in a rented property. Resealing at the right time is simple maintenance that we can handle for you.
Hulverstone homes and the weather
Hulverstone is close to the coast, and homes near the sea take more wind-driven rain, with salt in the air closer to the shore. Both are hard on the mastic around older windows and doors, which can dry out and crack sooner where a building faces the weather. London and the South East are among 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 Hulverstone, as everywhere, sand mastic is only as good as the preparation behind it. In the older streets around St. Mary's Church, the windows may be timber, sash or later replacements, and each needs the right sealant against the wall.
Hulverstone is about 7 miles south-west of Newport, in the Isle of Wight. Whether you’re in the middle of Hulverstone or further out, we cover sand mastic for every kind of property, from flats and houses to offices and hotels. Our the Isle of Wight coverage runs to 125 places, Hulverstone among them. Southampton is on our list too, around 18 miles away.
Work in PO30 is quoted and booked the same way as anywhere else. Nearby, we also carry out sand mastic in Brookgreen (1 mile south-west), Brook (1 mile west), Dunsbury (1 mile north-west), Shalcombe (1 mile north) and Chilton Green (1 mile south-east). We also work in nearby towns such as Newport (7 miles north-east), Ryde (13 miles east), Cowes (9 miles north-east), Sandown (12 miles east), Shanklin (12 miles east) and Ventnor (11 miles east). Remote and island addresses need a little more planning, so tell us where you are when you ask for a quote.
Local landmarks in Hulverstone
Well-known places in the area include Brighstone Village Museum (2 miles east) and Yarmouth Castle (4.6 miles north-west). Open spaces near Hulverstone include Westover Down.
Towns and villages near Hulverstone
Also in Hulverstone
How it works
A visit follows a simple pattern: we check the joints, protect the area around them, carry out the job and tidy away. It generally takes a few hours per window, depending on the condition of the joints. Somewhere like Hulverstone 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.
- We check each window surround and the condition of the joint.
- The joint is raked out and cleaned.
- Large voids are packed out.
- We point the joint with sand mastic by hand.
- We finish the mastic to a tidy line.
Preparing for the visit
- Tell us about access, such as stairs, a lift or high-level joints
- Plan for the work area to be out of bounds to pets and children
- Tell us about any water getting in
How to get a quote
Every job is quoted individually, so start by telling us what you need. Simply call 0345 464 0079 or email us and describe the job and send photos if you have them.