Surrey · England
Gomshall Sand Mastic
Sand mastic for Gomshall and the surrounding area: careful preparation, the right product and tidy work. Ask us for a quick quote.
- Gaps round a timber door in stone or brick
- Draughty sash windows at the surround
- Open joints round the window box
The process
When we arrive, we look over the joints with you first, so you know exactly what we are doing. We protect the surfaces around the joints before work begins. Most jobs take anything from a few hours to a full day, depending on how many windows. In a small place like Gomshall, access is generally the main thing to plan. If the job is outside, mention outbuildings, exposed walls and how to reach them.
- Each surround is checked first.
- The joint is raked out and cleaned.
- Large voids are packed out.
- We point the joint with sand mastic by hand.
- The finish is dressed neatly.
How to prepare
- Mention any sign-in or site rules at work premises
- Let us know about stairs, lifts or work at height
- Mention any leaks or damp you’ve noticed
Get a quote
If you’re in Gomshall 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
Sand mastic in Gomshall
Old sand mastic cracks, crumbles and falls out over time, leaving gaps round the window. Renewing it closes the gap and tidies the surround. If you have mastic worn away on windows facing the weather and tired mastic found when preparing windows for paint, we can help, on stone surrounds, period & listed homes and tenement windows alike.
Homes in small places like Gomshall often stand in the open, with little to shelter their windows from wind and rain. That exposure dries out and cracks the mastic around frames and sills faster.
A one-year guarantee comes with the work, just as it does everywhere we cover.
- Place
- Gomshall (GU5)
- Wider area
- Surrey
- Cover
- A year, on every job
- Quote
- Quoted before any work starts
- Telephone
- 0345 464 0079
- Last updated
- 26 October 2026
FAQs for Gomshall
Do you work for landlords with property near Gomshall station?
Yes. We work for landlords and agents as well as householders. Just ring 0345 464 0079 or send us an email with the address and what needs doing, and we will send you a clear quote.
Do you cover Gomshall for sand mastic?
Yes. Our work covers London and the South East, and Gomshall is part of that. Just ring 0345 464 0079 or send us an email with a few details of the job.
Are you fully insured?
Yes. Mr Mastic is fully insured.
How long does the job take?
A typical job takes anything from a few hours to a full day, depending on how many windows, including the preparation. Your quote will say how long we expect yours to take.
Should I check with the council before work on a listed or conservation-area home?
It’s best to ask your local planning authority first. Sand mastic is often favoured as like for like but the decision is theirs.
Is it OK to seal over old sealant?
No. Fresh sealant does not stick to old sealant, and anything trapped underneath, including mould and water, stays there. We remove it all first.
What should I tell you?
Only a few details: the address or postcode, what’s wrong and any access issues. After that, simply ring 0345 464 0079 or drop us an email.
Is it worth trying it myself?
Some simple jobs can be done by a careful DIYer. Most DIY failures come from sealing over old material, wet joints or too much sealant.
How to look after the new joints
To keep the joints looking good and working properly:
- Go gently near the mastic when preparing windows
- Get any rot dealt with first
- Do not run silicone over sand mastic
- Keep sills and gutters clear so water drains away
Keep gutters and sills clear so water runs away from the surround. Water sitting against the mastic shortens its life.
Crumbling mastic lets rain into the joint. It can soak into the frame and the surrounding masonry, so renewing it early is worth it.
Do you need sand mastic in Gomshall?
Timber frames move with the seasons. The movement cracks the mastic over time.
Keep an eye out for any of the following:
- Crumbling sand mastic round a window
- Wind and rain getting in round a sash window
- Gaps where the frame meets the masonry
- Mastic worn away on windows facing the weather
If you let a flat or house near Gomshall station, cracked sand mastic around sash windows lets in the draughts tenants complain about.
Comparing quotes
- How hidden problems are handled
- What the cure time is
- What the quote includes, VAT included or not
- What insurance they hold
DIY sealant or a professional job?
If you’ve already had a go yourself, that’s fine. We cut it out and start again, so tell us about it when you ask for a quote.
The difference is mostly in the preparation and the product. Joints are cleaned back to sound surfaces and dried, and the sealant is matched to the joint and its conditions.
Gomshall homes and the weather
With historic houses such as Hatchlands Park (about 2.9 miles north) nearby, there’s older building stock in the area around Gomshall as well as newer homes. Where a home is older, older timber frames in brick or stone need a different approach from a modern uPVC window. 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.
Schools such as Shere CofE Aided Infant School are buildings too, and larger buildings have plenty of frames, and the mastic around each one ages. Homes close to The Church of St James include some older properties, and frames set in older brick or stone need a sealant that suits the wall as well as the frame.
Gomshall is about 5 miles west of Dorking, in Surrey. For sand mastic in and around Gomshall, it’s easy to get a quote: please ring 0345 464 0079 or drop us an email. We’re based in Crawley and cover Surrey, Gomshall included. Our Surrey coverage runs to 395 places, and Gomshall is one of them. We also work in Crawley, about 14 miles from Gomshall.
Jobs for sand mastic in GU5 works the same way as everywhere else we cover. You will find streets such as Station Road, High View and Queen Street, all of which we cover. Other places close to Gomshall include Shere (1 mile west), Abinger Hammer (1 mile east), Hoe (1 mile south), Albury Heath (1 mile west) and Little London (1 mile south-west). Further out, we also cover Guildford (6 miles west), Woking (9 miles north-west), Camberley (14 miles north-west), Epsom (11 miles north-east), Horley (12 miles east) and Redhill (12 miles east).
Near you in Gomshall
In Gomshall, that means homes and buildings near Black Horse pub and Colekitchen Down, among other places. There’s a railway station in Gomshall itself: Gomshall station. A little further out are Abinger Castle (2.2 miles south-east) and Shere Museum (0.6 miles west). For a walk, there’s Silent Pool and Combe Bottom.
How we quote for sand mastic
We quote each job individually. These are the things that affect it:
- When we can work, for business premises
- Which sealant suits the joint
- How many rooms, windows or areas are involved
- Any mould that needs treating
Combining jobs into one visit is usually more efficient than separate visits, so it’s worth mentioning everything you’d like done. You’ll get one clear quote for the whole job.
Helping us quote
To help us quote quickly, please include:
- Pictures of the joints, sent by email
- Where the job is, and your postcode
- Roughly how big the job is
- Access, such as stairs, a lift or height
Getting a quote is simple: let us know what needs doing and where, and roughly how big it is. A few photos by email make the job easier to understand, and we will come back to you with a quote.
When something else is needed
We’d rather tell you now than do work that won’t last, so here’s what sealant can’t put right:
- Putty and glazing repairs
- Timber that has rotted
- Masonry that needs repairing
If you are not sure, just call 0345 464 0079 or drop us an email and we will give you a straight answer before booking.
Surfaces we seal
- Brick reveals
- Sash and case windows
- Tenement windows
- Timber door frames
- Period & listed homes
- Stone surrounds
Nearby places to Gomshall
More services for Gomshall
How the job changes by surface
Timber door frames
Door frames get knocked and soaked, so their mastic can fail sooner. It’s renewed by hand.
Sash and case windows
A sash window’s box frame sits in the masonry opening. Sand mastic seals the joint round it.