Hampshire · England
Monk Sherborne New Build Mastic
Plot mastic for developers and snagging failed sealant in new homes for homes and businesses in Monk Sherborne and across Hampshire. Fully insured, ARBOMaster approved and guaranteed for a year.
- Sealant work across a run of new homes
- Cracks appearing as a new home settles
- Cracked caulk along new skirting
New build mastic in Monk Sherborne, done properly
For builders and developers, we work through plots to the schedule you give us. Bathrooms, en suites, kitchens, frames and skirting are sealed ready for handover with a sealant suited to each area. We are often asked to deal with smeared, uneven beads picked up at snagging and skirting joints opening in the first winter, across show homes, plot handovers and skirting & floors.
Around Monk Sherborne, older homes often have timber floors that move through the year, so skirting and threshold joints need a flexible sealant rather than a rigid filler.
A one-year guarantee comes with the work, just as it does everywhere we cover.
- Where
- Monk Sherborne (RG26)
- Region
- Hampshire
- Guarantee
- 12 months on all our work
- Quotes
- Quoted before any work starts
- Telephone
- 0345 464 0079
- Page updated
- 26 October 2026

Different surfaces, different methods
Skirting and floors
Floors and skirting move as the house dries and the heating runs. Caulk cracks; a flexible sealant moves with it painted or coloured to suit.
Windows and doors
A draught at a new window can be a missed or failed joint. We look at the joints and reseal where needed.
What affects the quote in Monk Sherborne
The quote reflects the job in front of us. We take into account:
- Which sealant suits the joint
- The number of rooms or windows
- The old material and how stubborn it is
- Mould in or behind the old joints
Homes and businesses are quoted the same way: the amount of work, the access and the products needed. Call for a quick quote and we’ll explain what it covers.
Helping us quote
When you contact us, it’s useful to know:
- Where the property is
- The problem you’ve noticed
- Any access issues, like height or stairs
- The rough size of the job
Quotes start with a quick conversation. Tell us what’s wrong, where it is and how much there is, and we’ll talk you through what we’d do. When it suits you, ring 0345 464 0079 or send us an email.
What happens on the day
Before we leave, we go over the finished joints with you and tell you how long to leave it. The visit itself usually takes a few hours for most snagging lists, longer for a run of plots, depending on the size of the job. Somewhere as small as Monk Sherborne, access is often the only tricky part. For outside work, also let us know about exposed walls and any outbuildings involved.
- Each joint is checked for movement before we start.
- We remove the failed sealant and clean the joints.
- Joints are dried and primed where the product calls for it.
- Baths are filled with water, then the new sealant is applied.
- The finished joints are checked and the cure times given.
Getting ready for the visit
- Tell us if parking is tricky
- For indoor joints, keep the area dry beforehand if you can
- Clear the area around the work
How to get a quote
For a quote, call 0345 464 0079 or email us and tell us where the job is and what the problem looks like. We’ll send you a clear quote before any work starts.
Related advice
New build mastic in Monk Sherborne: local notes
Rainfall in the South East is lower than in much of the UK, though outdoor sealant still has to go onto a dry joint, so the forecast decides the day.
If you’ve bought a new home near Basingstoke station, the sealant around baths, showers and frames is worth checking in the first year or two.
Monk Sherborne is about 3 miles north of Basingstoke, in Hampshire. From the centre of Monk Sherborne to the outskirts, we cover new build mastic for every kind of property. Monk Sherborne is one of 683 places in Hampshire where we work for new build mastic. For nearby work, see our Reading page, about 12 miles away.
We cover every part of the RG26 postcode area for new build mastic and the streets around it. Local streets include The Close, Ramsdell Road and Salters Heath Road. We also cover Salters Heath (1 mile north-east), Charter Alley (1 mile north-west), Pamber End (1 mile north), Ramsdell (1 mile north-west) and West Heath (2 miles north-west). Further out, we also cover Basingstoke (3 miles south), Fleet (13 miles east), Alton (13 miles south-east), Yateley (13 miles east), Tadley (3 miles north) and Hook (7 miles east).
Local landmarks in Monk Sherborne
We work in homes and buildings around Everest Community Academy. For rail, the closest station is Basingstoke station, about 3.1 miles south-east. Nearby you’ll also find Park Prewett Hospital (1.8 miles south) and Basing House (4.1 miles south-east). Not far away are Daneshill Park Woods.
Looking after it afterwards
No joint lasts for ever, but care makes a real difference. Our tips:
- Watch for new gaps as the house dries out
- Avoid scourers and strong chemicals on sealant
- Ventilate bathrooms well, especially in the first year
- Get a leaking seal dealt with straight away
Clean the sealant with a mild detergent and a soft cloth. Avoid abrasive pads and strong solvents, which can damage the surface.
The sooner you deal with untidy or cracking sealant, the less there is to put right. Small faults turn into leaks if left in a busy bathroom.
Signs you need new build mastic in Monk Sherborne
If plaster or screed was still damp when it was sealed, the bond suffers. On a busy site, joints aren’t always given time to dry before the sealant goes on.
The most common problems we see are:
- Cracks appearing as a new home settles
- Cracked sealant around new window and door frames
- Kitchen sealant that has pulled off the wall
- Sealant applied over dusty or wet surfaces
In and around Monk Sherborne, as anywhere, good new build mastic starts with a clean, dry, properly prepared joint.
Comparing quotes
- How long to leave it before use
- How hidden problems are handled
- How the joint is cleaned and prepared
- How the colour is chosen
Landlords, agents and businesses in Monk Sherborne
Letting agents and landlords in Monk Sherborne can book us as well as householders. Resealing between tenancies keeps a property looking cared for.
For anyone letting property in or around Monk Sherborne, several properties can go on one quote. Send us the addresses and the work at each.
Common questions in Monk Sherborne
I let a flat near Basingstoke station. Can you help?
Yes, rental work is part of what we do. You can phone 0345 464 0079 or email us with the address and a few details, and we will give you a fixed price before we start.
Is Monk Sherborne within the area you cover?
Yes, Monk Sherborne is covered. We work across London and the South East, and smaller places are part of that. The journey is planned ahead, so it helps to know about access.
Which products do you use?
Each joint gets the product that suits it. Movement, water and weather all affect the choice.
Who should fix failed sealant in a new build?
While the snagging or warranty period runs, the builder should be your first contact. If it isn’t sorted, or keeps failing, get in touch with us.
What colour sealant will you use?
The colour is chosen to suit the tiles, worktop or frame. Let us know your preference when you ask for a quote.
Will the old sealant be removed?
Yes, always, and completely. New silicone does not stick to old silicone, so the joint is cleaned back first.
What should I tell you?
Just the basics: where it is, what you’ve noticed and how we reach it. After that, simply phone 0345 464 0079 or email us.
Will you just run a new bead over the existing one?
No. Sealing over old sealant looks fine for a few weeks, then lifts. We remove every bit of the old bead before resealing.
What we can’t put right
To be straight with you, some problems need a different trade:
- Plumbing faults behind the sealant
- Cracked trays, tiles or worktops
- Structural cracks in walls or ceilings
If in doubt, ring 0345 464 0079 or email us and we will say what we think.
What we seal
- Skirting & floors
- Bathrooms & en suites
- Show homes
- Kitchens
- Windows & doors
- Plot handovers
