Hampshire · England
Sand Mastic in Trotton Marsh
We cover Trotton Marsh for traditional burnt sand mastic around sash and case windows and doors in stone and brick. Old sealant removed completely, joints prepared properly.
- Cement or filler used on old window joints that has cracked
- Gaps where the frame meets the masonry
- Mastic worn away on windows facing the weather
Sand mastic for homes and businesses in Trotton Marsh
Traditional burnt sand mastic blends with stone and brick surrounds. It suits period and listed homes where a modern sealant bead would stand out. We work on tenement windows, period & listed homes and sash and case windows, and people most often call us about a silicone bead on a sash window that spoils the look and old cement repairs round a window that have failed.
Somewhere as small as Trotton Marsh, older homes often have timber frames set in stone or brickwork. Older buildings like these do not always suit modern silicone, and sometimes a traditional sand mastic is the better choice.
Big or small, you get the same one-year guarantee.
- Place
- Trotton Marsh (GU30, GU31)
- Wider area
- Hampshire
- Cover
- A year, on every job
- Quote
- A clear price before we start
- Phone
- 0345 464 0079
- Last updated
- 26 October 2026
DIY sealant or a professional job?
A careful DIYer can reseal a simple joint, such as a straightforward joint indoors. Where it goes wrong is sealing over the old bead, working on a wet joint or overloading the gap.
A DIY attempt doesn’t rule out a professional job. We remove it and do the joint properly.
What sand mastic looks like in Trotton Marsh
The South East is one of the drier parts of the UK, though outdoor sealant still has to go onto a dry joint, so the forecast decides the day. Historic houses like Cowdray House (about 4.2 miles south-east) are a reminder that the area around Trotton Marsh has older buildings as well as new. In older buildings, older frames set in brick or stone need a sealant that suits them, and sometimes that is traditional sand mastic.
Letting a property close to Liphook station? Then any sash windows need sound mastic to keep draughts and rain out.
Trotton Marsh is about 5 miles east of Petersfield, in Hampshire. We provide sand mastic to householders, landlords and businesses in Trotton Marsh and the surrounding area. Our Hampshire coverage runs to 683 places, Trotton Marsh among them. We also work in Portsmouth, about 19 miles from Trotton Marsh.
All of GU30 and GU31 is within our area for sand mastic. We also cover the places around Trotton Marsh: Borden (1 mile west), Milland (1 mile north), Chithurst (1 mile south-east), Rogate (2 miles south-west) and Rake (3 miles north-west). Further out, we also cover Havant (13 miles south-west), Horndean (12 miles south-west), Alton (11 miles north-west), Waterlooville (13 miles south-west), Petersfield (5 miles west) and Purbrook (14 miles south-west).
Around Trotton Marsh
The nearest railway station is Liphook station, about 3.7 miles north. Other landmarks nearby include Midhurst Museum (4 miles south-east) and Midhurst Community Hospital (3.8 miles south-east). Green spaces nearby include Iping and Stedham Commons and Wheeler's Down.
More services for Trotton Marsh
What affects the quote in Trotton Marsh
Every job gets its own quote. These are the things that affect it:
- Whether old sealant or filler has to be cut out
- How easy the joints are to reach
- The size of the job
- Whether there’s mould to deal with
A few things move the cost up or down: the old material and how easily it comes out, whether mould needs treating, and whether the work is at height. We take all of that into account in your quote.
Asking for a quote
When you contact us, it’s useful to know:
- How we’d reach the joints
- The problem you’ve noticed
- If it’s domestic, commercial or a hotel
- Where the job is, and your postcode
For sand mastic in Trotton Marsh, call 0345 464 0079 or send us an email. Tell us what the problem is and where, and we’ll agree the price before any work begins.
Landlord and commercial work in Trotton Marsh
Letting agents often deal with us directly. Tell us the address, the job and how access works and we will quote.
In hotels, rooms out of use cost money, so we plan the work room by room around your bookings where we can. Hotel work is part of what we do, alongside homes and businesses.
Why deal with it now?
If you are redecorating, renew the mastic first. Painting over failed mastic does not seal it and traditional guidance is to leave the new mastic unpainted. Where a wall is exposed, as many are in small places like Trotton Marsh, wind-driven rain gets into any failed joint, and damp in older walls is slow to dry out.
A failed joint rarely gets cheaper to fix by waiting, because water and mould keep working on it. If you are unsure, call 0345 464 0079 or email us and we’ll give you an honest view and a quote.
What you get with us
- Every job guaranteed for a year
- Full insurance on every job
- Anti-fungal silicone where joints get wet
- Rated 4.9 stars on Google
See our cost guide and our reviews.
What we cannot put right
We’d rather tell you now than do work that won’t last, so here’s what sealant can’t put right:
- Timber that has rotted
- Damaged stone surrounds
- Planning or listed building consent (your local planning authority decides)
If in doubt, phone 0345 464 0079 or send us an email and we’ll say what we think before you book.
What we seal
- Tenement windows
- Period & listed homes
- Timber door frames
- Stone surrounds
- Sash and case windows
- Brick reveals
When to call us in Trotton Marsh
Most of it is simply age. Even well-laid mastic needs renewing in time, depending on exposure and upkeep.
Most people get in touch after spotting something like this:
- Open joints round the window box
- Failed mastic on an exposed elevation
- Draughty sash windows at the surround
- Mastic that needs renewing before redecorating
Cowdray House, about 4.2 miles south-east, is one of the historic houses in the wider area around Trotton Marsh, and older homes nearby need a sealant that suits their walls.
What to look for in a quote
- Who does the work, and how experienced they are
- The length of the guarantee
- Whether they seal over old material or remove it
- When the joint can take water or movement
The process
When we arrive, we start by going over the job with you, so you know exactly what we are doing. We protect the surfaces around the joints before any work starts. The work generally takes a few hours for a single window, longer for several. In a small place like Trotton Marsh, access is generally the main thing to plan. For outside work, also let us know about exposed walls and any outbuildings involved.
- Each surround is checked first.
- The joint is raked out and cleaned.
- We fill deep gaps so the new mastic isn’t too thick.
- New sand mastic is applied and shaped by hand.
- We finish the mastic to a tidy line.
Before we arrive
- Where the joints are inside, avoid wetting them before we arrive
- Mention any tricky access
- Move anything stored near the joints
How to get a quote
There’s no standard price list, as no two jobs are quite the same. Instead, your job gets its own clear quote. To get started, ring 0345 464 0079 or drop us an email.
Advice
Your questions about sand mastic in Trotton Marsh
Do you cover Trotton Marsh for sand mastic?
Yes, Trotton Marsh is within the area we cover. We work across London and the South East. You can ring 0345 464 0079 or drop us an email and let us know what needs doing.
Can you help a landlord with a rental near Liphook station?
Yes, landlords and agents are among the people we work for. You can phone 0345 464 0079 or drop us an email with the details for a clear quote.
What does sand mastic cost?
Every job is different, so each one gets its own quote. For a quick quote, phone 0345 464 0079 or drop us an email with a short description of the job.
Do you remove the old sealant?
Yes. Sealing over the old bead is the commonest cause of early failure, so we never do it.
How long does sand mastic take to harden?
A skin forms quite soon, but full hardening takes longer. We’ll explain what to expect before we leave.
Do you do commercial work?
Yes. We have worked for hotels, offices and other businesses.
Will there be a smell?
There can be a smell while the sealant cures, which fades as it sets. Opening a window helps.
Can sand mastic be painted?
It’s traditionally left unpainted, which is what traditional guidance recommends. Ask us before decorating.