The Mastic Doctor team standing beside their branded vans outside an office building
Hampshire · England

Industrial and floor joint sealing in Lower Green, Hampshire

Floor joint sealing and filling in warehouses, factories and industrial units across Lower Green, by CSCS-carded applicators. Fully insured and CHAS accredited.

  • Untidy open joints in a retail unit
  • Broken arrises where pallet trucks cross
  • Soft sealant dragged out of trafficked joints
1
Send details
Send the specification, photos or a marked-up plan.
2
Get a quote
A fixed quote for the work, with the scope in writing.
3
We seal
The right sealant, to the right depth, neatly finished.
4
Guaranteed
Backed by a 12-month workmanship guarantee.
South East, London & Scotland
CHAS & Constructionline
Fully insured: £5m PL

Floor joint sealing across Lower Green

Share the site address and what’s failing, and we’ll reply with a fixed quote or arrange a visit.

When to call us in Lower Green

Older fills harden, shrink and crack with age, particularly where cleaning machines and traffic work it daily. At that point it neither holds the edges nor keeps debris out.

Clients normally get in touch after noticing one or more of the following:

  • Old filler gone hard, cracked or loose
  • Sealant pulled out along a truck route
  • A rough ride across broken joints
  • Chipped and spalling edges along forklift routes

Phasing is what makes joint work possible on busy sites such as Longmoor Enterprise Park (2.6 miles east of Lower Green): one bay, aisle or car park row at a time.

What your quote should include

  • Their approach to joint depth and backing
  • How they handle RAMS and site documents
  • Their plan for phasing and protecting the area
  • Proof of insurance

Questions to ask before you appoint anyone

Floor joint sealing in Lower Green, done properly

Before quoting, we look at what the floor is telling us: how wide the joints are, signs of ongoing movement, the wheel types crossing them and the state of the arrises. That tells us whether semi-rigid filler or flexible sealant suits each run and the answer can differ from one zone to the next. Site teams most often ask us about chipped and spalling edges along forklift routes and flexible sealant torn out by wheels, on joints along racking aisles, forklift and pallet-truck routes and loading bays. Whoever orders the work in Lower Green, the brief is typically the same: a fixed quote, no surprises on site and a 12-month guarantee behind the result.

Jobs around smaller places like Lower Green are planned so the whole job is done in one visit, with the right materials on hand. Note joint widths and the traffic that uses them, and we will take it from there.

The 12-month guarantee covers our workmanship: the preparation, the sealing and the tooling. It doesn’t extend to damage, other trades’ later work or movement the joint was never designed to take.

Where
Lower Green (GU33)
Region
Hampshire
Cover
12 months on every job
Quotes
Quoted before any work starts
Call
01277 525 020
Updated
3 November 2026
The Mastic Doctor team beside their liveried vans in front of an office building

Maintenance after handover

Every sealant joint needs some looking after, and their life depends on movement, exposure, cleaning and use. Our advice:

  • Clear packed debris from open joints regularly
  • Check joint lines on busy aisles regularly
  • Record damaged joints with a photo and a location
  • Keep trucks off new joints until we say they’re ready

Young concrete carries on shrinking, so some fillers part slightly from one face. It is a known trait of new floors and a later top-up deals with it in most cases.

A broken joint on a main route is crossed by every truck on that route. Early treatment protects wheels, loads and drivers as much as the floor.

Lower Green: questions and answers

Is Ham Barn Business Park, near Lower Green, within your area?

Yes. Our area takes in Lower Green and its surroundings, with estates and business parks such as Ham Barn Business Park included. Photos and a short description are enough for a first look.

Do you take on work at healthcare sites like Petersfield Community Hospital?

Yes, hospitals are one of the sectors we cover. We follow the site’s permits, sign-in and infection-control procedures in every area.

What if there’s asbestos in the old mastic?

Some older mastics, especially in pre-2000 buildings, can contain asbestos. Before we disturb old sealant in an older building, we ask to see the asbestos register or survey, and work stops until any suspect material has been tested. We don’t remove asbestos-containing materials.

Can you send site paperwork?

Requirements differ from site to site, so tell us what you need and we will confirm it when we quote.

How many days will you need on site?

The duration is planned around your programme and the access we’re given. You’ll have an expected duration with the quote.

Are you insured?

Yes. Our insurance certificate can be sent alongside the quote.

Why is there a gap next to the joint filler?

Separation typically comes from slab shrinkage, poor preparation or the wrong product. We look at which it is before recommending anything.

On site: what to expect

Diagnose, treat, sign off: every visit follows that pattern. We inspect the joints and confirm what’s in scope, then we prepare and seal each joint with the specified product, and the job ends with a walk round and sign-off. For work around Lower Green, we aim to finish in one visit, so we ask for photographs and rough sizes first. That way the right products come on the day.

  1. We agree the traffic routes and phasing with your site team.
  2. We point out joints whose edges need repairing first.
  3. Failed material and debris are removed and the joint cleaned.
  4. The chosen filler or sealant goes in flush with the slab.
  5. You get a time for each zone to reopen.

Before we start on site

  • Point out parking and an unloading spot
  • Warn occupants and staff about the work
  • Make sure the joints can be reached

Getting a fixed quote

Send us photos, drawings or a joint schedule are often enough for a fixed quote. If the job needs a look first, we’ll arrange a site visit.

Get a price

Related advice

What the job involves on each surface

Saw-cut induced joints

Sawn joints make up most of the joint length in a typical industrial floor. We clear them back to clean concrete and fill them to the depth the product calls for with a flush finish.

Semi-rigid joint fillers

A semi-rigid fill can separate along one side while a slab is still shrinking. That is normally dealt with by topping up later, and we will explain it when we quote.

Slabs, ramps and loading bays in Lower Green

Two named trading, business or retail sites lie within about 3 miles of Lower Green. That puts plenty of warehouse floors, service yards and car parks close by, all with joints under traffic. The South East is one of the drier parts of the UK. Outside joints in yards and car parks still have to be dry before sealing, while winter salting gets into any joint left open.

For an estate such as Petersfield Community Hospital (4.1 miles south of Lower Green), the joints in ramps, decks and long building elevations all need attention over time. Office parks like Ham Barn Business Park, 1.5 miles to the east of Lower Green, have decks, ramps and clad elevations whose joints take movement every day.

Lower Green is about 4 miles north of Petersfield, in Hampshire. We cover Lower Green, and jobs here get the same fixed quote and 12-month guarantee as anywhere else. 723 places across Hampshire fall within our area, Lower Green among them. Portsmouth is covered too, around 19 miles from Lower Green.

We cover the GU33 postcode districts for floor joints. Just outside Lower Green, we also work in Hawkley (1 mile south), Oakshott (1 mile south), Empshott (1 mile north-east), Steep Marsh (2 miles south) and Selborne (3 miles north). Further afield, our area takes in Havant (14 miles south), Fleet (15 miles north), Horndean (11 miles south), Aldershot (15 miles north-east), Alton (6 miles north) and Waterlooville (13 miles south).

Near you in Lower Green

Locally, jobs take us to sites close to Hawkley Inn and the streets around them. For rail, the closest station is Liss station, roughly 2.3 miles south-east. Well-known places in the area include The Romany Museum (2.3 miles north) and Petersfield Community Hospital (4.1 miles south). The countryside around Lower Green includes Goleigh Hill and Liss Riverside Railway Walk North.

Map of Lower Green © OpenStreetMap contributors

Owners, agents and contractors

As a CHAS accredited contractor and Constructionline member, we’re straightforward to vet for your supplier list. Our insurance certificate can be sent along with the quote.

Planned maintenance programmes are welcome: working through a building or an estate in stages that fit your budget. Lower Green can form part of a wider programme.

What sealant work can’t fix

We seal joints; we don’t mend everything behind them. Sealant alone won’t deal with:

  • Unstable slabs moving under traffic
  • A failing floor coating, which is a flooring contractor’s job
  • Spalled arrises, which need an edge repair first

Not sure which it is? You can ring 01277 525 020 or send details through our quote form and we will tell you honestly.

Where we work in Lower Green

  • Forklift and pallet-truck routes
  • Saw-cut induced joints
  • Joints along racking aisles
  • Retail and showroom floors
  • Loading bays
  • Construction joints
Accreditations

Trusted. Accredited. Insured.