Hampshire · England
Sand mastic for sash & case windows in Martyr Worthy, Hampshire
Specialist sand mastic for Martyr Worthy: the right sealant, proper preparation and a neat finish. Call for a quick quote.
- Mastic that needs renewing before redecorating
- Gaps between timber frames and stone or brick
- Draughty sash windows at the surround
FAQs for Martyr Worthy
Can you help a landlord with a rental near Winchester station?
Yes, we work for landlords and letting agents. Just call 0345 464 0079 or drop us an email and tell us about the property, and we’ll give you a clear price.
Can you do sand mastic in Martyr Worthy?
Yes. We work across London and the South East, and Martyr Worthy is part of that. Just phone 0345 464 0079 or email us with a few details of the job, and we will send you a clear quote.
Does someone need to be in?
That depends on where the joints are. For work indoors, someone needs to let us in.
Are you insured?
Yes. Full insurance covers our work.
Can I paint the new mastic?
Traditional guidance is not to paint over sand mastic. If you’re redecorating the window, ask us first and we will talk you through it.
Is it messy?
We keep the work tidy. We protect what’s around the joints.
Is there any odour?
Sometimes, a little. It fades as the sealant cures, and ventilation helps.
Can you do several jobs on one visit?
Yes, and it often makes sense. Combining jobs makes good use of the visit.
How we handle sand mastic in Martyr Worthy
Silicone on a period window often looks wrong and does not suit the building. Sand mastic gives a finish that matches the age of the house, and we can replace one with the other. Common call-outs are for draughty sash windows at the surround and failed mastic on an exposed elevation, across brick reveals, sash and case windows and period & listed homes.
Outdoor sealant needs dry, clean surfaces, so work on frames around Martyr Worthy is planned for dry weather. Tell us about access to every side of the house, including upper-floor windows.
Every job comes with our 12-month guarantee.
- Where
- Martyr Worthy (SO21)
- Wider area
- Hampshire
- Guarantee
- 12 months on all our work
- Quotes
- Quoted before any work starts
- Telephone
- 0345 464 0079
- Last updated
- 26 October 2026
Different surfaces, different methods
Tenement and terrace windows
Upper-floor windows need access planning. Tell us the height and we will confirm what’s needed.
Period and listed homes
Materials matter on listed and conservation-area homes. Sand mastic is often the preferred finish.
Towns and villages near Martyr Worthy
Also in Martyr Worthy
Aftercare tips
Joint life depends on how it’s used and looked after. Here’s what we suggest:
- Keep modern sealant off the mastic
- Make sure water runs off the sill
- Ask us before painting near the mastic
- Check with your local planning authority if your home is listed
Avoid sealing over the mastic with silicone. If anything cracks, get it looked at rather than patching it.
Gaps round a sash box let in draughts and rain. The longer it’s left, the more the joint opens as more mastic falls out.
Should I try it myself first?
Too much sealant is as bad as too little. A heavy bead looks messy and copes badly with movement, and the joint depth matters as much as the finish.
If you do try it yourself, take your time over the preparation: remove every trace of old sealant, clean and dry the joint, and follow the product’s cure time. If it fails, we can still redo it.
Landlord and commercial work in Martyr Worthy
If you manage several properties in or around Martyr Worthy, several properties can be quoted together. Just tell us the addresses and what each one needs.
Letting agents often deal with us directly. Tell us the address, the job and how access works and we’ll quote.
When something else is needed
We’ll always be straight with you, so here’s what new sealant won’t do:
- Broken panes
- Sashes that need overhauling
- Rotten sashes, sills or window boxes (a joiner’s job)
Not sure which it is? You can phone 0345 464 0079 or email us and we will tell you honestly.
Joints and surfaces we work on
- Tenement windows
- Stone surrounds
- Brick reveals
- Timber door frames
- Sash and case windows
- Period & listed homes
How the visit works
When we get to you, we compare the joints with what we discussed. If we find something unexpected, we talk it through with you first. After that, the work takes a few hours per window, depending on the condition of the joints. Somewhere as small as Martyr Worthy, access is often the only tricky part. For outside work, also let us know about exposed walls and any outbuildings involved.
- We start by checking each surround and agreeing the joints to renew.
- Old, loose mastic is raked out and the joint cleaned.
- Deep voids are packed so the mastic is the right thickness.
- We mix the sand mastic and apply it by hand, shaping it to the joint.
- The finish is dressed so it sits neatly against the stone or brick.
Preparing for the visit
- Plan for the work area to be out of bounds to pets and children
- Mention if the joints have been sealed before
- Where the joints are inside, avoid wetting them before we arrive
How to get a quote
For a quick quote, get us on the phone, or send an email if you’d rather. Describe what needs sealing and we will talk you through the work before giving you a price.
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Common problems we fix in Martyr Worthy
Most of it is simply age. Even well-laid mastic needs renewing in time and how long it lasts depends on the weather it faces.
Any of these means the joints need attention:
- Open joints round the window box
- Cement or filler used on old window joints that has cracked
- Modern sealant on a period surround
- Mastic worn away on windows facing the weather
Letting a property close to Winchester station? Then cracked sand mastic around sash windows lets in the draughts tenants complain about.
What your quote should include
- Is the old sealant removed completely?
- Who turns up on the day
- How the surfaces are prepared before sealing
- How hidden problems are handled
Sand mastic in Martyr Worthy: local notes
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.
If you live in an older home near Church of St Swithin, replacement windows fitted into old openings often leave uneven gaps that need backing and a flexible joint. For site and facilities teams at buildings such as Itchen Abbas Primary School, larger buildings have plenty of frames, and the mastic around each one ages.
Martyr Worthy is about 4 miles north-east of Winchester, in Hampshire. If you need sand mastic in Martyr Worthy, it’s easy to get a quote: please call 0345 464 0079 or drop us an email. We cover Hampshire from our Crawley base. Across Hampshire, we cover 683 places, and Martyr Worthy is one of them. We also work in Southampton, about 14 miles from Martyr Worthy.
Jobs for sand mastic in SO21 is quoted and booked the same way as anywhere else. Whether your property is on Chilland Lane and Bridgetts Lane or anywhere close by, we can help. We also cover the places around Martyr Worthy: Itchen Abbas (1 mile east), Easton (1 mile south-west), Abbots Worthy (2 miles west), Itchen Stoke (2 miles east) and Kings Worthy (2 miles west). Larger places within reach include Basingstoke (13 miles north-east), Winchester (4 miles south-west), Eastleigh (10 miles south-west), Andover (13 miles north-west), Chandler's Ford (10 miles south-west) and Alton (13 miles east).
Around Martyr Worthy
Typical jobs here are in homes near The Plough pub. The closest station to Martyr Worthy is Winchester station, roughly 3.5 miles south-west of the centre. Nearby you will also find Wolvesey Castle (3.5 miles south-west) and Royal Observer Corps Museum (2.8 miles south-west). Green spaces nearby include Winnall Moors and Twyford Down.