Hampshire · England
Sand mastic for sash & case windows in Burkham, Hampshire
Traditional burnt sand mastic around sash and case windows and doors in stone and brick for homes and businesses in Burkham and across Hampshire. ARBOMaster approved applicators, fully insured, with a 12-month guarantee.
- Window mastic to renew ahead of painting
- Draughty sash windows at the surround
- Gaps round a timber door in stone or brick
When something else is needed
A few problems are outside what sealant work can do:
- Sashes that rattle, stick or won’t open
- Rotten sashes, sills or window boxes (a joiner’s job)
- Cracked or broken glass
Not sure which it is? You can call 0345 464 0079 or drop us an email and we’ll tell you honestly before you book.
Where we work in Burkham
- Stone surrounds
- Brick reveals
- Period & listed homes
- Sash and case windows
- Tenement windows
- Timber door frames
Sand mastic for homes and businesses in Burkham
Sand mastic suits most period window surrounds. Newer frames usually get a flexible sealant instead and we’ll explain which is best for yours. We work on timber door frames, brick reveals and stone surrounds, and the jobs we see most are open joints round the window box and mastic round period door frames that has failed.
Around Burkham, many homes face open ground, so their windows and doors take the full weather. That exposure dries out and cracks the mastic around frames and sills faster.
There’s a 12-month guarantee on every job, large or small.
- Place
- Burkham (GU34)
- Region
- Hampshire
- Cover
- One year on every job
- Quote
- A clear price before any work starts
- Call
- 0345 464 0079
- Page updated
- 26 October 2026
How the visit works
All our tools and materials come with us in the van. Once we have agreed what’s being done, we protect the area and start. Most jobs take a few hours per window, depending on the condition of the joints. In a small place like Burkham, access is usually the main thing to plan. For outside work, also let us know about exposed walls and any outbuildings involved.
- First, we look at the surrounds with you and agree what needs doing.
- We rake out the old mastic and clean the joint.
- Large voids are packed out first, so the mastic isn’t too thick.
- Sand mastic is mixed and applied by hand, then shaped to the joint.
- The finish is dressed so it sits neatly against the stone or brick.
Before we arrive
- Clear items away from the joints we’re working on
- Mention any leaks or damp you’ve noticed
- For business premises, tell us about site rules or sign-in
Getting a quote
We don’t publish a 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.
Read more
Work for landlords, hotels and businesses
We regularly work with letting and managing agents. Send the address, what’s needed and the access arrangements and we will quote.
We work for landlords and agents as well as homeowners. Sealant work between tenants is a simple way to keep a property in good order.
Quotes for sand mastic in Burkham
We quote each job individually. These are the things that affect it:
- Mould in or behind the old joints
- How easy the joints are to reach
- The size of the job
- The product the joint needs
Leaving a failed joint generally makes the job bigger, not smaller, because water and mould keep working on it. If you’re unsure, call 0345 464 0079 or drop us an email and we’ll give you an honest view and a quote.
What we need to know
The more you tell us, the more accurate the quote. When you ask for a quote, tell us:
- If it’s domestic, commercial or a hotel
- Any previous sealing or DIY work
- How many joints, rooms or windows are involved
- The problem you’ve noticed
Asking for a quote is easy: tell us what needs doing and where and its rough size. A few photos by email make the job easier to understand.
What sand mastic looks like in Burkham
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 Hall Place (about 1.9 miles south) are a reminder that the area around Burkham has older buildings as well as new. Where a home is older, older frames set in brick or stone need a sealant that suits them, and sometimes that’s traditional sand mastic.
Rented homes near Alton station change hands often, and any sash windows need sound mastic to keep draughts and rain out.
Burkham is about 4 miles north-west of Alton, in Hampshire. From the centre of Burkham to the outskirts, we cover sand mastic for every kind of property. We cover 683 towns and villages across Hampshire, large and small. We also work in Reading, about 19 miles from Burkham.
We work across GU34 for sand mastic and the streets around it. Nearby, we also carry out sand mastic in Bagmore (1 mile north-east), Bradley (1 mile south-west), Southrope (2 miles north-east), Bentworth (2 miles south) and Holt End (2 miles south). Within a short drive, we also cover Basingstoke (6 miles north), Winchester (14 miles south-west), Farnborough (15 miles north-east), Fleet (12 miles north-east), Aldershot (14 miles east) and Alton (4 miles south-east).
Around Burkham
Burkham’s nearest station is Alton station, about 4.7 miles south-east of the centre. Other landmarks nearby include Barton Castle (3.7 miles south-west) and Alton Community Hospital (4.4 miles south-east). Not far away are Farleigh Hill.
Other services in Burkham
Looking after it afterwards
Joint life depends on how it’s used and looked after. Here’s what we suggest:
- Leave the new mastic unpainted
- Ask the planning authority about consent for listed or conservation-area homes
- Avoid patching sand mastic with silicone
- Get any rot dealt with first
Do not run silicone over the new mastic. If anything cracks, get it looked at before trying a quick fix.
Fine cracks show the mastic is starting to fail. It’s easier to renew it before it drops out.
What we’re called out for in Burkham
Age is the main cause. Even well-laid mastic needs renewing in time and how long it lasts depends on the weather it faces.
Look out for these signs:
- Wind and rain getting in round a sash window
- Old cement repairs round a window that have failed
- Old sand mastic that has cracked, crumbled or fallen out
- Cracked mastic round a front door frame
Historic houses such as Hall Place, about 1.9 miles south, show how far back building around Burkham goes, and older homes nearby need a sealant that suits their walls.
Before booking anyone
- What happens if they find a problem under the old sealant
- Who turns up on the day
- Which colour the sealant will be
- What the cure time is
DIY sealant or a professional job?
Overfilling a joint is a classic DIY mistake. A heavy bead looks messy and copes badly with movement, and getting the depth right matters as much as the look.
Not every job suits DIY: high-level joints, fire-rated gaps, external movement joints and big jobs need the right product, the right access and the right method.
Questions from Burkham
Can you help a landlord with a rental near Alton station?
Yes, landlords and agents are among the people we work for. You can ring 0345 464 0079 or drop us an email with the details for a clear quote.
Can you do sand mastic in Burkham?
Yes. We work across London and the South East, and Burkham is part of that. You can ring 0345 464 0079 or drop us an email and let us know what needs doing, and we will give you a clear quote.
Can sand mastic be painted?
Traditional guidance is not to paint over sand mastic. Ask us before you decorate around it and we’ll talk you through it.
What guarantee comes with the work?
All our work has a one-year guarantee.
How long does sand mastic take to harden?
Not right away. The skin forms first, and the full set comes later and we will give you an idea for your job.
How long does sand mastic take?
It depends on the size of the job, but as a guide it takes a few hours for a single window, longer for several. We will give you a better idea when we quote.
What does sand mastic cost?
Every job is different, so each one gets its own quote. For a quick quote, ring 0345 464 0079 or drop us an email and let us know what needs doing and where.
Can I do it myself?
That depends on the joint. Work at height, movement joints, fire-rated gaps and large areas are best left to a professional.