West Sussex · England
Mastic man in Henfield
Resealing and mastic work for Henfield’s High Street, old cottages and family homes, from Henfield Common to the edge of the Adur brooks.
- Fully insured
- Arbo and Everbuild sealants
- Clear quote before we start
Your local mastic man for Henfield
Henfield is a large village in Horsham District, sitting above the River Adur, where the western and eastern branches of the river meet at Betley Bridge just to the west. It has an old High Street with old inns, the 13th-century church of St Peter and a ring of commons and greens around it. Mr Mastic is based in Crawley and covers Henfield and the villages nearby for bath, shower and kitchen resealing, window mastic and external joints.
We are often called when a bath seal has started to peel, a shower is leaking at the corner, or a kitchen joint has turned dark by the sink. Each time, the failed bead is cut out entirely, the joint is cleaned and dried, and fresh sealant is laid. If yours goes black within months, our guide on why sealant goes mouldy explains the usual causes.
An old High Street and a village of greens
Henfield was already a sizeable place by the time of Domesday, and its historic core still runs along the High Street, with old inns and buildings that have been altered over centuries. Henfield Hall, home to the village museum since 1974, and a modern village hall just off the High Street sit among them. Around the village are small named greens and commons such as Pinchnose Green, Pokerlee, Broadmere Common and Henfield Common at the southern end of the High Street. By the 2001 census Henfield had over 2,100 households.
The older houses and cottages near the centre bring sloping floors, uneven walls and painted timber windows. Sealant here has to fill joints that are rarely straight and, on timber, sometimes needs to take paint. Around the edges of the village, newer family homes and bungalows have bathrooms and kitchens that have been refitted, with acrylic baths, shower trays and worktops that all rely on a good bead.
Shower enclosures are the job we see most. Where a tray has moved slightly or the original sealant was thin, water creeps under the edge and into the floor. Our shower resealing page explains how we put it right.

Low-lying ground, older frames and exposed edges
The fields south-west of the village, known as the Henfield brooks, are low-lying and prone to flooding, and homes on the western edge look out over open ground towards the Adur. Frames on those exposed sides take the wind and rain, and mastic that has hardened there soon cracks and lets damp in. We cut out the failed joint, clean back to sound brick, render or timber, and use a flexible weatherproof sealant, with backing rod where the gap is deep.
On older buildings along the High Street, we talk through the sealant choice before starting, as a paintable product may suit painted timber better than silicone. Parking on the High Street can be tight, so we plan where to leave the van when we book.
High Street premises and the business park
The High Street has inns, shops and cafés, and the business park south of the village on the road to Small Dole houses a Royal Mail delivery office and a range of small businesses. Staff toilets, kitchens and washrooms in premises like these need resealing from time to time, and out-of-hours working can be arranged so the working day is not interrupted.
We also work for landlords with rented homes in Henfield, often resealing between tenancies.
What happens when you book
- Tell us about the job. A quick call or email with what needs sealing and where. Photos help us quote accurately.
- 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.
- Leave it to cure. We tell you how long to leave it before use, and the work carries our one-year guarantee.
Jobs we take on in Henfield
- Bathroom & kitchen resealing: Every joint in the bathroom and kitchen, from the bath edge to the worktop, stripped back and resealed with anti-fungal silicone.
- Window & door mastic: Frame perimeters inside and out resealed with flexible, colour-matched sealant, with backing rod where the gap is deep.
- Commercial & hotel sealant: Sealant programmes for offices, hotels, care settings and schools, with early or late working where it helps.
- Remedial sealant & repairs: Second opinions on sealant that keeps failing: we strip it out, check for movement or leaks and reseal it properly.
- Fire-rated sealant: Intumescent and fire-rated joints around pipes, cables and frames, installed to the manufacturer’s tested specification.
- External & façade joints: Expansion joints in brick, render and cladding cut out and renewed at the right depth so they can move without splitting.
- New-build mastic & snagging: Early-failing sealant in new homes fixed properly, plus mastic packages and snagging for developers.
- Floor & skirting joints: Skirting-to-floor gaps, tiled floor movement joints and concrete floor joints sealed with the right product.
- Regrouting: Crumbling grout in showers and wet areas raked out and refilled, so water stays out of the wall behind.
- Glazing & conservatory sealant: Glazing joints on conservatories, roof lanterns and screens renewed with a sealant suited to glass and frames.
- Gutter, fascia & soffit sealing: Leaking gutter joints, end caps, fascia and soffit joints resealed with exterior sealant.
- Sand mastic for sash & case windows: Traditional burnt sand mastic renewed around sash and case windows and doors in stone and brick.
Why Mr Mastic in Henfield
Henfield is a straightforward drive south from our Crawley base, through the Mid Sussex lanes. The people doing the work have 20+ years of experience, are fully insured and ARBOMaster approved, and use Arbo and Everbuild sealants. We have finished more than 2,847 projects, and our Google rating sits at 4.9 stars from over 180 five-star reviews. Before we start you get a clear quote, and the finished job has a one-year guarantee.
Around Henfield
Well-known places nearby include Steyning Museum (3.7 miles south-west). Around the centre, our work takes us to homes, rentals and businesses close to St Peter's CofE Primary School, St Peter's Church and The Bell Inn. Green spaces within reach include Woods Mill and Truleigh Hill.
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!”
Areas of Henfield we cover
Find your area below, or call 07833 053749 or email us with your postcode and a few details.
Nearby towns we cover
Questions from Henfield
Do you cover all of Henfield?
Yes. We cover the whole village, from the High Street to Henfield Common and Pinchnose Green, plus Small Dole, Oreham Common and the lanes towards Shoreham-by-Sea and Burgess Hill.
My cottage has painted timber windows. Can you seal around them?
Yes. Where the joint needs painting we use a paintable sealant rather than silicone, and explain the choice first.
Water is getting under my shower tray. Is it the sealant?
Often it is. We remove the failed bead, check the tray is firm and reseal. If the tray moves, it needs fixing first.
Do you work at the business park on the road to Small Dole?
Yes. We reseal staff kitchens, toilets and washrooms, and out-of-hours working can be arranged.
My windows face the open fields and the mastic has cracked. Can you help?
Yes. Exposed frames take more weather. We cut out the old mastic and use a flexible weatherproof sealant.
Can you reseal a rented house between tenants?
Yes. It is the best time, as the bathroom can be left to cure before anyone uses it.
Is your work guaranteed?
Yes. Every job comes with a one-year guarantee.
