Hampshire · England
New-build mastic & snagging in Bagmore, Hampshire
We cover Bagmore for plot mastic for developers and snagging failed sealant in new homes. Old material cut out, joints cleaned and sealed neatly and every job guaranteed for a year.
- Sealant applied over dusty or wet surfaces
- Gaps opening as the house dries out and settles
- Smeared, uneven beads picked up at snagging
About our new build mastic in Bagmore
If your new home has a leaking shower seal, open skirting joints or untidy sealant, we can help. If you’re still within the builder’s snagging or warranty period, tell them first, and if it isn’t put right, get in touch with us. We are often asked to deal with skirting joints opening in the first winter and cracks appearing as a new home settles, across kitchens, skirting & floors and show homes.
Around Bagmore, 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.
The work is covered for a year after we finish. If there’s a problem with it, please ring 0345 464 0079 or drop us an email.
- Location
- Bagmore (RG25)
- Wider area
- Hampshire
- Guarantee
- One year on every job
- Quotes
- A clear quote up front
- Call
- 0345 464 0079
- Page updated
- 26 October 2026
How the visit works
Our applicators work methodically: protect, prepare, seal, tidy. For most jobs that takes a few hours for most snagging lists, longer for a run of plots. For a village or hamlet like Bagmore, the journey is planned in advance: tell us about narrow lanes, gates, long drives and where we can park. We bring what the job needs, so it can be finished in one trip where possible.
- 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.
- We clean out the dust and grit left from the build.
- We prime where needed and apply a sealant suited to each joint.
- We tool every joint neatly and tell you when each area can be used.
How to prepare
- For business premises, tell us about site rules or sign-in
- Clear the area around the work
- Plan for the work area to be out of bounds to pets and children
Get a quote
For a quote, phone 0345 464 0079 or email us and tell us where the job is and what the problem looks like. You will have a clear quote before work begins.
Related advice
Should I try it myself first?
Sealing over old silicone is the commonest DIY error. New silicone will not bond to old, so it peels away and traps moisture behind it. Everything old must be removed first.
Too much sealant is as bad as too little. A heavy bead looks messy and copes badly with movement, and getting the depth right matters as much as the look.
Other services in Bagmore
For landlords and businesses
We also work for businesses, from offices to washrooms and kitchens. For commercial premises, we can talk through working times when we quote.
Housing providers, facilities teams and property managers book us too in Bagmore and across Hampshire. Several sites can be quoted together, and we’re fully insured.
When to call us in Bagmore
New homes are full of moisture from plaster, screed and concrete, which takes a year or two to dry out. As it does, timber shrinks and joints open.
Signs it’s time to call us include:
- Sealant work across a run of new homes
- Gaps between new skirting and floors
- Leaking shower tray seals in a new home
- Frame joints opening as the plaster dries
For new homes near Alton station, it’s worth checking the sealant early, while snags are still fresh.
What your quote should include
- What happens if they find a problem under the old sealant
- What insurance they hold
- Whether they seal over old material or remove it
- How long to leave it before use
What new build mastic looks like in Bagmore
Compared with the north and west, the South East gets less rain, though outdoor sealant still has to go onto a dry joint, so the forecast decides the day.
In and around Bagmore, as anywhere, good new build mastic starts with a clean, dry, properly prepared joint.
Bagmore is about 5 miles north-west of Alton, in Hampshire. Every kind of property in Bagmore can book us for new build mastic, old or new, large or small. The work is guaranteed for a year. Across Hampshire, we cover 683 places, Bagmore among them. Our Reading page covers work nearby, about 18 miles away.
Here we cover the RG25 postcode area for new build mastic. Close by, we work in Southrope (1 mile east), Burkham (1 mile south-west), Shalden Green (2 miles east), Bradley (3 miles south-west) and Bentworth (3 miles south). Larger places within reach include Basingstoke (5 miles north-west), Winchester (15 miles south-west), Farnborough (14 miles north-east), Fleet (11 miles north-east), Aldershot (13 miles east) and Alton (5 miles south-east).
Landmarks near Bagmore
The closest station to Bagmore is Alton station, roughly 4.9 miles south-east of the centre. Nearby you will also find Alton Community Hospital (4.9 miles south-east) and Gliding Heritage Centre (1.6 miles south-east). Open spaces near Bagmore include Farleigh Hill.
How the job changes by surface
Kitchens
New-kitchen sealant is often applied in a rush. We remove it and reseal with a kitchen-suitable sealant.
Skirting and floors
New homes often develop a gap between skirting and floor. A flexible sealant closes it without cracking like caulk.
When it is not the sealant
Honest advice matters more to us than a booking, so here’s what new sealant will not do:
- Settlement cracks that need a surveyor
- Movement caused by a poorly fitted tray or bath
- Your warranty claim itself, which is between you and the builder
If you are not sure, just phone 0345 464 0079 or send us an email and we will give you a straight answer.
What we seal
- Skirting & floors
- Show homes
- Windows & doors
- Kitchens
- Plot handovers
- Bathrooms & en suites
Aftercare tips
A little care helps the new joints last. We recommend:
- Report sealant problems to your builder during the snagging period
- Use the extractor fan every time you shower
- Photograph failed sealant before it’s redone
- Get a leaking seal dealt with right away
Do not stand on the bath edge or the lip of the tray. Report any movement in a bath or tray.
Don’t let the snagging period run out with sealant problems unreported. After that, putting it right may fall to you, so raise it early.
Your questions about new build mastic in Bagmore
Is Bagmore within the area you cover?
Yes, Bagmore 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.
Is Bagmore in your area for new build mastic?
Yes, Bagmore is within the area we cover. We work across London and the South East. Just ring 0345 464 0079 or send us an email with a few details of the job, and we will give you a clear quote.
Will there be a smell?
Sometimes, a little. Any smell clears as the sealant cures, and ventilation helps.
Do you work for developers?
Yes. Plot mastic and second-fix sealing for developers is part of our work. Send the schedule and any specification and we will give you a quote.
Can I do it myself?
It depends on the job. Work at height, movement joints, fire-rated gaps and large areas are best left to a professional, while a short indoor joint may be within reach.
Should I go to my builder first?
Your builder, if you’re still in their snagging or warranty period. After that, or if their repair keeps failing, we can do it.
Are you an approved applicator?
Yes. We’re approved under the ARBOMaster scheme.
Can tenants book the work?
Yes, but check with your landlord or agent first. Many landlords are glad to have it sorted.