Hampshire · England
Sand mastic for sash & case windows in Wallington, Hampshire
Problem with your window and door surrounds in Wallington? We remove the old material, prepare the joints and seal them properly.
- Window mastic to renew ahead of painting
- Failed mastic on an exposed elevation
- Old cement repairs round a window that have failed
What affects the cost of sand mastic
There’s no set price list. What we look at:
- How many areas need sealing
- Any working-time requirements on site
- The amount of work
- The type of sealant required
We don’t show prices on the website, because the cost depends so much on the job itself. Call for a quick quote and we’ll talk you through it.
What to tell us for a quote
To help us quote quickly, please include:
- If it’s domestic, commercial or a hotel
- How we’d reach the joints
- How many joints, rooms or windows are involved
- What the problem is, such as mould, gaps, leaks or cracking
Every job is quoted individually, so start by telling us what you need. Simply phone 0345 464 0079 or email us and describe the job and send pictures if you have them.
How we handle sand mastic in Wallington
Sand mastic suits most period window surrounds. Newer frames normally get a flexible sealant instead, and we will talk through which suits your home. Common call-outs are for gaps where the frame meets the masonry and cement or filler used on old window joints that has cracked, across timber door frames, brick reveals and period & listed homes.
Many houses in smaller places like Wallington have conservatories, garden rooms or patio doors. Their glazing joints and frame seals are as much a part of the job as the windows, and any older timber or sash windows need a sealant that suits them.
A one-year guarantee comes as standard, so you’re not left on your own once the job is done.
- Where
- Wallington (PO16, PO14, PO17)
- Wider area
- Hampshire
- Cover
- 12 months on all our work
- Quote
- A clear price before any work starts
- Call
- 0345 464 0079
- Page updated
- 26 October 2026
What we do, step by step
Once we’re on site, we compare the joints with what we discussed. If anything is different, we explain it before carrying on. Most jobs then take a few hours for a single window, longer for several. Parking around Wallington is generally easier than in a town centre, but mention any lanes, gates or long drives. For outside work, side access and the height of the joints help us plan.
- We check the window surrounds and agree which joints need renewing.
- Old, loose mastic is raked out and the joint cleaned.
- Deep voids are packed so the mastic is the right thickness.
- Sand mastic is mixed and applied by hand, then shaped to the joint.
- The mastic is finished to sit tidily against the stone or brick.
Getting ready for the visit
- Tell us about any water getting in
- Plan for the work area to be out of bounds to pets and children
- Where the joints are inside, avoid wetting them before we arrive
Getting a quote
If you are in Wallington and need sand mastic, ring 0345 464 0079 or email us. Tell us what the problem is and where, and we’ll agree the price before any work begins.
Advice
Aftercare tips
Simple care keeps the joints in good condition. We recommend:
- Avoid patching sand mastic with silicone
- Plan mastic work ahead of painting
- Don’t paint over the new mastic
- Ask a joiner to look at soft timber first
Leave the new mastic unpainted, which is the traditional advice. If you’re redecorating, ask us first.
Sound mastic protects the frame. Once it fails, water can sit against the timber and timber that stays wet can rot.
DIY versus a professional finish
A careful DIYer can reseal a simple joint, like a short, easy-to-reach joint indoors. The common mistakes are sealing over old sealant, sealing a damp joint and using far too much.
Sealing over old silicone is the commonest DIY error. Silicone doesn’t stick to old silicone, so it lifts and traps water and mould underneath. Everything old must be removed first.
Common questions in Wallington
Do you cover smaller places like Wallington?
Yes, Wallington is covered. Our work covers London and the South East, and smaller places are part of that. Longer journeys are simply planned in advance.
Does the coastal weather in Wallington 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.
Do I need permission for sand mastic on a listed building?
Speak to your local planning authority before work starts. Sand mastic is often favoured as like for like but the decision is theirs.
What do you need from me for a quote?
Just the basics: where it is, what you’ve noticed and how we reach it. After that, simply ring 0345 464 0079 or send us an email.
What sealant do you use?
Quality sealants from brands including Arbo and Everbuild, chosen to suit the joint. We explain the product when we quote.
What’s sand mastic made of?
A traditional pointing material made from sand and a linseed-oil-based binder for the joint between timber frames and masonry.
How long does sand mastic take?
Most jobs take anything from a few hours to a full day, depending on how many windows. Your quote will say how long we expect yours to take.
Can you quote for more than one area?
Yes, and it often makes sense. Doing several areas at once is normally more efficient.
When it is not the sealant
It helps to know what we can’t do too:
- Whether work needs listed building consent
- Putty and glazing repairs
- Decayed frames that need repair
If in doubt, call 0345 464 0079 or drop us an email and we’ll say what we think.
Surfaces we seal
- Tenement windows
- Brick reveals
- Stone surrounds
- Period & listed homes
- Sash and case windows
- Timber door frames
Towns and villages near Wallington
More services for Wallington
How the job changes by surface
Tenement and terrace windows
Windows above ground floor need the right access. Let us know the floor and we’ll confirm access.
Period and listed homes
Period homes look their best with traditional materials.
Work for landlords, hotels and businesses
Businesses can book us for washrooms, kitchens, offices and more. On commercial sites, working times can be discussed when we quote.
In hotels, rooms out of use cost money, so the work can be planned room by room around your bookings where we can. Hotel work is part of what we do, alongside homes and businesses.
What sand mastic looks like in Wallington
Wallington is within about 1 mile of 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.
If you look after a building such as Wykeham House School, its window and door frames need their mastic kept sound, just like a home’s. Letting a property close to Fareham station? Then older sash windows in a rental need their mastic kept sound to keep the weather out. Homes close to Parish Church of St Peter and St Paul include some older properties, and replacement windows fitted into old openings often leave uneven gaps that need backing and a flexible joint.
Wallington is about 1 mile east of Fareham, in Hampshire. Homes, rented property, offices and hotels in Wallington can book us for sand mastic, old or new, large or small. Every job comes with our one-year guarantee. 683 places in Hampshire are on our list, large and small.
Jobs for sand mastic in PO16, PO14 and PO17 is quoted and booked the same way as anywhere else. Local streets include Bath Lane, Drift Road and Osborn Road. Wallington sits on or near the A32, which makes travel easy. We also cover Fareham Common (1 mile south-west), North Fareham (1 mile north), Fareham (1 mile west), Boarhunt (2 miles north-east) and Crockerhill (2 miles north). Larger places within reach include Gosport (4 miles south), Havant (8 miles east), Eastleigh (11 miles north-west), Horndean (8 miles north-east), Totton (15 miles west) and Chandler's Ford (13 miles north-west).
What’s near Wallington
Typical jobs here are in homes near Harrison Primary School, Cams Hill School and The Golden Lion Public House and the streets around them. Wallington’s nearest station is Fareham station, roughly 1 mile west of the centre. Nearby you’ll also find Fareham Shopping Centre (within half a mile west) and Knowle Hospital (2.3 miles north-west). Green spaces nearby include Portsdown Hill and West of the River Alver.