Hertfordshire · England
Mastic man in Buntingford
From Georgian fronts on the High Street to new homes off Hare Street Road, Buntingford sealant work done properly, with a clear quote first.
- Anti-fungal silicone as standard
- 20+ years in the trade
- Guaranteed for a year
Mastic and sealant work in Buntingford
Buntingford is a small market town with two very different sides. Along the line of Ermine Street, the old High Street is full of Georgian and older buildings from its coaching days, while the edges of the town have filled with new homes over the last decade or so. Mr Mastic covers Buntingford and the villages around it from our base in Crawley, and the sealant jobs we do in each part of town are quite different.
In both, the basics are the same. We cut out every bit of old or builder’s sealant, clean and dry the joint, prime it where the surface needs it and lay a single neat bead. Where you’re not sure whether a joint needs replacing yet, our guide to how long silicone sealant lasts lists the signs to look for.
A coaching town and its new estates
The town’s conservation area runs along the High Street, up Baldock Road and part of Norfolk Road, and takes in medieval and Georgian buildings such as the Manor House and Layston Court, both listed, along with the almshouses and old coaching inns. In buildings like these, walls are thick and uneven, windows are often painted timber, and bathrooms have been fitted wherever there was room. Joints are rarely straight, so we use flexible sealants and paintable products where a frame will be decorated.
The newer side of Buntingford is larger than many people realise. The former railway station site and the old Sainsbury’s distribution centre, demolished in 2014, have both been redeveloped for housing, and estates such as The Maples on Ermine Street and the homes off Hare Street Road have added hundreds more.
New homes have their own pattern. As timber dries and the house settles, builder sealant around showers, baths and kitchen worktops often cracks or pulls away within the first year or two. Our guide to new build sealant snagging explains what to report to the developer and what to fix yourself.

Settling new builds and old High Street buildings
In a new-build shower, the joint between tray and wall is the one most likely to open, because a tray on a new floor flexes slightly every time someone stands in it. We cut the old bead out, check the tray is firm, prime where needed and reseal with sanitary silicone. If the developer’s snagging period has run out, we can simply put it right.
On the High Street, flats over shops and converted outbuildings mean a leaking seal can reach a ceiling or shop below. We check the usual leak points carefully, and outside we deal with the weathered mastic around old frames and sills. Buntingford sits beside the River Rib in open country, and exposed elevations take the weather, so external joints get a weatherproof, flexible sealant set at the correct depth.
Shops, schools and landlords
The High Street’s independent shops, restaurants and pubs all have kitchens and toilets where sealant wears out. We can arrange to work before opening or after closing so you aren’t losing trade. Freman College and the town’s primary schools have washrooms and changing areas that can be resealed in the holidays.
With so many newer homes in the town, there are plenty of rented houses too. We reseal for landlords and letting agents between tenancies and can quote for several properties at once.
How it works
- Call or email. Tell us what needs doing, where it is and anything about access. Photos by email help.
- Get a clear quote. We give you a clear price before any work starts, and agree a date with you.
- Preparation first. Old sealant out completely, surfaces cleaned, mould treated and the joint left dry.
- Neat new sealant. Each joint gets the sealant that suits it, laid and smoothed to a tidy finish.
- Guaranteed work. You’ll know the cure time before we leave, and every job comes with a one-year guarantee.
Our services in Buntingford
- Bathroom & kitchen resealing: Mouldy or split sealant around baths, shower trays, basins and sinks removed completely and replaced with a neat, hygienic bead.
- Window & door mastic: Window and door mastic that has dried out in the sun replaced with a weather-resistant joint that can move with the frame.
- Commercial & hotel sealant: Hotels, offices, washrooms and welfare areas resealed room by room, with out-of-hours working possible to arrange.
- Remedial sealant & repairs: Messy, layered or wrong-product sealant cut out and replaced with the right sealant, laid the right way.
- Fire-rated sealant: Fire-rated and intumescent sealant around gaps, frames and service penetrations, to the product’s tested details.
- External & façade joints: Split or perished joints in walls and cladding replaced with exterior sealant designed to stretch with the building.
- New-build mastic & snagging: Snagging sealant for new homes and plot-by-plot mastic for builders and developers.
- Floor & skirting joints: Movement joints in tiled and concrete floors, and skirting gaps, sealed so they stay tidy and keep dirt out.
- Regrouting: Cracked, stained or crumbling grout raked out and replaced, with corners resealed in silicone.
- Glazing & conservatory sealant: Conservatory, rooflight, glass panel and shower screen joints resealed with glazing silicone.
- Gutter, fascia & soffit sealing: Gutter unions, outlets and fascia joints that leak in heavy rain cleaned and resealed.
- Sand mastic for sash & case windows: Traditional sand mastic for period windows and doors where a modern sealant would look out of place.
What you get with Mr Mastic in Buntingford
Whether it’s a Georgian sash or a brand-new shower, we treat each joint on its own merits. Mr Mastic has been doing this for more than 20 years. We’re fully insured, we’re ARBOMaster approved applicators, and we use Arbo and Everbuild sealants. Our record runs to 2,847+ projects and a 4.9-star Google rating from 180+ five-star reviews. A clear quote comes first, and a one-year guarantee covers everything we do.
Landmarks near Buntingford
Well-known places nearby include Anstey Hales Farm (3.7 miles north-east). Closer in, we work on homes, rented flats and businesses near Millfield First and Nursery School, Freman College, Church of St Peter and The Jolly Sailors pub. For open space, Hawkins Wood is close by.
What customers say
Rated 4.9 on Google from 180+ five-star reviews. Read the reviews on Google.
“Harper Drive in Maidenbower — kitchen worktop had been leaking behind for a while. Came out the next day, sorted it properly. Really tidy job.”
“Called for a bathroom reseal and the mastic man showed up on time with all the right equipment. Brilliant attention to detail. The sealant looks perfect and they kept everything tidy.”
“We had old mastic that needed replacing throughout our kitchen and bathrooms. The mastic man professional was knowledgeable, quoted fairly, and delivered excellent quality work. Highly recommend!”
Where we work in Buntingford
Choose your part of town for local details, or call 07833 053749 or email us and tell us your postcode.
Towns near Buntingford
Buntingford: common questions
Do you cover all of Buntingford?
Yes. We cover the whole town, including the High Street and the newer estates, plus nearby villages such as Aspenden, Layston, Wyddial, Throcking, Hare Street and Great Hormead.
The shower seal in my new Buntingford home has cracked already. Is that normal?
It’s common. New houses settle and shower trays flex, so builder sealant often fails early. We remove it, prime and reseal.
Should I ask the developer to fix it first?
If you’re still within the snagging or warranty period, it’s worth reporting. If not, or if you’d rather not wait, we can put it right.
Can you work on a listed building on the High Street?
Yes. Indoor resealing is routine maintenance. Outside, we match the sealant to the building and use paintable products around painted frames.
Can you reseal a restaurant kitchen outside opening hours?
Yes. Out-of-hours working can be arranged for commercial jobs.
Can you reseal several homes for a letting agent?
Yes. We can quote for a list of properties and work around check-outs and inventories.
Do you need anything from me on the day?
Just clear access to the bath, shower or worktop. We bring everything else and tidy up afterwards.
Is the work guaranteed?
Yes. Every job comes with our one-year guarantee.
