West Sussex · England
Sand mastic for sash & case windows in Minsted, West Sussex
Traditional burnt sand mastic around sash and case windows and doors in stone and brick for householders, landlords and businesses in Minsted. ARBOMaster approved applicators, fully insured, with a one-year guarantee.
- Silicone on a period window that looks wrong
- Weathered mastic on the most exposed windows
- Open joints round the window box
How we quote for sand mastic
The quote reflects the job in front of us. We take into account:
- Any working-time requirements on site
- Whether there’s mould to deal with
- The size of the job
- The number of rooms or windows
The cost depends on the amount of work, how much old material has to come out and how easy the joints are to reach. We give a clear quote before we start, so you know where you stand.
What to tell us for a quote
When you call or email, it’s useful to know:
- Whether it has been sealed before
- How we’d reach the joints
- How many joints, rooms or windows are involved
- The address or postcode of the job
It all starts with a short chat. Describe the problem, the location and the size of the job. Whenever you are ready, phone 0345 464 0079 or drop us an email.
Sand mastic in Minsted, done properly
Sand mastic suits most period window surrounds. Newer frames generally get a flexible sealant instead and we will explain which is best for yours. We work on sash and case windows, timber door frames and period & listed homes, and common reasons people get in touch are a silicone bead on a sash window that spoils the look and cracked mastic round a front door frame.
Outdoor sealant needs dry, clean surfaces, so work on frames around Minsted is planned for dry weather. Tell us about access to every side of the house, including upper-floor windows.
Our work is backed for twelve months, in Minsted and everywhere else we cover.

- Where
- Minsted (GU29)
- Wider area
- West Sussex
- Guarantee
- 12 months on all our work
- Quotes
- A clear quote up front
- Call
- 0345 464 0079
- Last updated
- 26 October 2026
What sand mastic looks like in Minsted
With historic houses such as Cowdray House (about 2.1 miles east) nearby, there’s older building stock in the area around Minsted 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 is traditional sand mastic. 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.
For an older house near a landmark such as The Parish Church of St James, the joint between an old wall and a newer frame is usually the first place rain gets in.
Minsted is about 7 miles east of Petersfield, in West Sussex. Every kind of property in Minsted can book us for sand mastic. The work is guaranteed for a year. Minsted is one of 371 places in West Sussex where we work. Portsmouth is on our list too, about 18 miles from Minsted.
Every address in GU29 is covered for sand mastic, from the main roads to the quietest streets. We cover properties on Andrews Lane and Minsted Road and the roads around them. Nearby, we also carry out sand mastic in Stedham (1 mile north-east), Bepton Common (1 mile east), Iping (1 mile north), Woolbeding (1 mile north-east) and Midhurst (2 miles east). Further out, we also cover Bognor Regis (14 miles south), Chichester (10 miles south), Emsworth (11 miles south-west), Storrington (15 miles east), Billingshurst (15 miles east) and Portfield (10 miles south).
Around Minsted
Around Minsted, our work takes us to homes and buildings near Midhurst Rother College, among other places. Other landmarks nearby include Midhurst Community Hospital (2.1 miles east) and Lodsworth Castle (4.8 miles east). Not far away are Wheeler's Down and Iping and Stedham Commons.
For landlords and businesses
Letting agents often deal with us directly. Send the address, what’s needed and the access arrangements and we’ll give you a quote.
Whether it’s one flat or a portfolio, the work is the same standard: old sealant fully removed, joints prepared properly and a one-year guarantee.
The process
On the day, we look over the joints with you first. Surfaces next to the work are protected before any work begins. Most jobs take anything from a few hours to a full day, depending on how many windows. Somewhere like Minsted needs a little journey planning: tell us about narrow lanes, gates, long drives and where we can park. We bring what the job needs, so it can be finished in one trip where possible.
- First we agree which joints need doing.
- We remove the old, loose mastic.
- We pack any deep voids first.
- The sand mastic is mixed and pressed into the joint by hand.
- We dress the finish so it sits neatly against the masonry.
Getting ready for the visit
- Mention any sign-in or site rules at work premises
- Try not to wet indoor joints just before the visit
- Tell us about any previous sealing or DIY attempts
Get a quote
We do not publish a price list, as no two jobs are quite the same. Instead, your job gets its own clear quote. To arrange one, phone 0345 464 0079 or send us an email.
Related advice
When to call us in Minsted
Age is the main cause. Even well-laid mastic needs renewing in time and how long it lasts depends on the weather it faces.
If you can see any of these, it’s time to have the joints looked at:
- Silicone on a period window that looks wrong
- Patchy fillers round a sash window
- Mastic dropping out of the joint
- Failed mastic on an exposed elevation
Schools such as Stedham Primary School are buildings too, and larger buildings have plenty of frames, and the mastic around each one ages.
What your quote should include
- How long the guarantee is
- What preparation is included
- What the quote includes, VAT included or not
- Who does the work, and how experienced they are
Honest limits
Before you book, it’s worth knowing the limits:
- Cracked or broken glass
- Timber that has rotted
- Masonry that needs repairing
Not sure which it is? You can phone 0345 464 0079 or email us and we will tell you honestly before you book.
Where we work in Minsted
- Stone surrounds
- Timber door frames
- Sash and case windows
- Brick reveals
- Tenement windows
- Period & listed homes
Why act early in Minsted
New mastic over crumbling mastic won’t hold. We remove the loose material first so the new mastic stays put. Older cottages and farmhouses around Minsted can have timber floors and frames, and water through a failed joint can rot timber if it’s left.
Commercial jobs are quoted on the same basis as homes: the amount of work, how we reach it and what it needs. Call for a quick quote and we’ll go through it with you.
Why choose Mr Mastic in Minsted
- ARBOMaster approved applicator
- Over 20 years’ experience
- We leave the area clean and tidy
- We never seal over old sealant
Read what affects the cost or customer reviews.
FAQs for Minsted
What guarantee comes with sand mastic in Minsted?
Every job comes with our one-year guarantee, wherever it is. We are also fully insured and ARBOMaster approved.
Is Minsted within the area you cover?
Yes, Minsted is covered. We work across London and the South East, from towns to the smallest places. The journey is planned ahead, so it helps to know about access.
How long does sand mastic take to go off?
Not right away. The skin forms first, and the full set comes later and we will give you an idea for your job.
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.
Will you leave a mess?
Tidy work is part of the job. Nearby surfaces are protected, and the area is left clean when we finish.
Are you fully insured?
Yes. Full insurance covers our work.
How long will you be here?
As a guide, most jobs take a few hours per window, depending on the condition of the joints. Larger jobs naturally take longer, and we’ll tell you how long to expect.
Can I do it myself?
Sometimes. Preparation is everything: all the old sealant out, and a clean, dry joint. If it doesn’t work out, we can redo it.
Also near Minsted
More services for Minsted
How the job changes by surface
Timber door frames
Door frames get knocked and soaked, so their mastic can fail sooner. We rake it out and renew it.
Tenement and terrace windows
Rows of sash windows on tenements and terraces often need renewing together. We work on single windows or whole elevations.
