Surrey · England
New-build mastic & snagging in Farnham, Surrey
Plot mastic for developers and snagging failed sealant in new homes for Farnham, backed by a one-year guarantee. Call for a quick quote.
- Messy sealant that spoils new finishes
- Gaps between new skirting and floors
- Joints pulling apart as timber shrinks
About our new build mastic in Farnham
Developers send us the plot schedule and we work through it. Bathrooms, en suites, kitchens, frames and skirting are sealed ready for handover using the right product for each joint. We work on skirting & floors, bathrooms & en suites and plot handovers, and common reasons people get in touch are messy sealant that spoils new finishes and skirting joints opening in the first winter.
Homes around Farnham move a little with the seasons, and skirting and floor joints show it first. Those joints need a flexible sealant, as rigid filler soon cracks out.
The work is covered for a year after we finish. If there’s a problem with it, please call 0345 464 0079 or email us.
- Where
- Farnham (GU9, GU10)
- Region
- Surrey
- Guarantee
- 12 months on all our work
- Quotes
- Quoted before any work starts
- Telephone
- 0345 464 0079
- Last updated
- 26 October 2026
What we cannot put right
New sealant can’t fix everything, and we will tell you before any work starts. Sealant won’t put right:
- Broken tiles or a split tray
- Leaks from pipes, valves or wastes, which need a plumber
- Baths and trays that move too much for sealant to cope with
If in doubt, phone 0345 464 0079 or send us an email and we’ll say what we think before booking.
What we seal
- Plot handovers
- Skirting & floors
- Windows & doors
- Bathrooms & en suites
- Show homes
- Kitchens
Questions from Farnham
What guarantee comes with new build mastic in Farnham?
Every job comes with our one-year guarantee, wherever it is. We are also fully insured and ARBOMaster approved.
Can you do new build mastic in Farnham?
Yes, Farnham is within the area we cover. We work across London and the South East. Just phone 0345 464 0079 or send us an email with a few details of the job.
Why has my new-build shower seal failed already?
Lots of new homes see sealant crack early, because the house is drying and settling. Poor preparation at handover adds to it.
Can you reseal over the builder’s sealant?
No. The old sealant is cut out fully, the joint cleaned and primed where needed, before resealing.
Can you quote for more than one area?
Yes, we can. More than one area can go on one quote.
Is it worth trying it myself?
For a simple, easy-to-reach joint, a careful DIYer can do a reasonable job. The usual mistakes are sealing over old sealant, sealing a damp joint and using too much.
Is it messy?
No. We protect the surfaces around the joints, and we clear up the old sealant and our materials before we leave.
What does new build mastic cost?
We don’t publish prices, because the cost depends on the job: its size, the old material, access and the product needed. We agree the price before any work begins.
How it works
The work is kept neat and contained to the area we are working on, so you can get on with your day. The job usually takes a few hours for most snagging lists, longer for a run of plots, and we explain the cure time before we leave. For a job in Farnham, we need access to where the work is and somewhere nearby to park. For outside work, let us know about side access, gates and any upper-floor joints.
- First, the list of joints is agreed from your snagging sheet or plot schedule.
- Every bit of the old builder’s sealant is cut out.
- Joints are vacuumed and cleaned of building dust.
- We prime where needed and apply a sealant suited to each joint.
- Each bead is tooled and the cure times explained.
Before we arrive
- For business premises, tell us about site rules or sign-in
- Where the joints are inside, avoid wetting them before we arrive
- Mention any parking rules near the property
Ask for a quote
For a quote, ring 0345 464 0079 or email us and tell us where the job is and what the problem looks like. We’ll give you a clear price before any work starts.
Read more
Common problems we fix in Farnham
Fresh sealant can be knocked or cut by trades finishing off. A bead disturbed before it has cured may never seal properly.
Most people get in touch when they notice one of these:
- Leaking shower tray seals in a new home
- Sealant applied over dusty or wet surfaces
- Internal frame sealant that has split
- Cracked caulk along new skirting
For new homes near Farnham station, it’s worth checking the sealant early, while snags are still fresh.
Comparing quotes
- When the joint can take water or movement
- What happens if the job turns out different
- How the joint is cleaned and prepared
- Whether VAT is included
Joints and finishes in Farnham homes
Compared with the north and west, the South East gets less rain, but outside sealant still needs a dry, clean surface, so outdoor work is planned around the forecast.
In and around Farnham, as anywhere, good new build mastic starts with a clean, dry, properly prepared joint.
Farnham is about 6 miles south of Farnborough, in Surrey. Wherever you are in the GU9 postcode area, we can carry out new build mastic at your property. Farnham is one of 395 places in Surrey we cover for new build mastic. Reading is on our list too, around 18 miles away.
We cover every part of GU9 and GU10 for new build mastic. Streets in the area include Barncroft, Approach Road and Saxon Croft, and we cover them all. You will find Farnham on the A31 and A287, so it’s easy for us to get to. Other places close to Farnham include Compton (1 mile east), Hale (1 mile north), Upper Hale (2 miles north), Runfold (2 miles east) and Heath End (2 miles north). Larger places within reach include Guildford (10 miles east), Woking (12 miles north-east), Camberley (9 miles north), Frimley (8 miles north), Haslemere (9 miles south) and Cranleigh (14 miles east). Being one of Surrey’s larger places, Farnham has homes, rented property and businesses of every kind.
What’s near Farnham
Typical jobs here are in homes near Moor Park, William Cobbett Public House and Weydon School and the streets around them. There’s a railway station in Farnham itself: Farnham station. Well-known places in the area include Museum of Farnham (less than half a mile north-west) and Farnham Castle (0.6 miles north-west). Not far away are Farnham Park and Aunt's Pool.
DIY sealant or a professional job?
Some sealant jobs are within reach of a careful DIYer, 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.
The biggest DIY mistake is sealing over old sealant. Silicone doesn’t stick to old silicone, so it lifts and traps water and mould underneath. All the old material has to come out first.
How we quote for new build mastic
We don’t publish a price list. What we look at:
- Access and height
- How many areas need sealing
- Whether there’s mould to deal with
- How much there is to do
Doing several joints on one visit is usually more efficient than separate visits, so tell us about everything that needs sealing. You will get one clear quote for the whole job.
Helping us quote
You don’t need to know the technical terms. Just tell us:
- How we’d reach the joints
- The address or postcode of the job
- Whether it has been sealed before
- The type of property
Asking for a quote is easy: let us know what needs doing and where. Photos by email help us understand the job, and we’ll come back to you with a quote.
What the job involves on each surface
Skirting and floors
Wet-area floor joints need a flexible seal. They get a flexible, water-resistant sealant.
Plot handovers
We work through plots to your schedule, sealing each room ready for handover. Each joint is cleaned and primed where needed to keep callbacks down.
For landlords and businesses
Housing providers, facilities teams and property managers book us too. Several sites can go on one quote, and we’re fully insured for the work.
Mouldy or split sealant often shows up at the end of a tenancy, and it’s quick to put right between tenancies. Several properties can go on one quote.