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

Industrial and floor joint sealing in High Cross, Hertfordshire

Floor joint sealing for High Cross, from a contractor working since 2005. Fully insured, with a 12-month guarantee.

  • A gap opening alongside old joint filler
  • Broken arrises where pallet trucks cross
  • Saw-cut joints left open and packed with grit
1
Send details
Tell us about the site, with photos if you have them.
2
Get a quote
Scope agreed and priced before anything starts.
3
We seal
CSCS-carded applicators, the right product for each joint.
4
Guaranteed
Signed off, with 12 months’ guarantee.
London, the South East & Scotland
Constructionline member
Fully insured: £5m PL

Floor joint sealing for businesses in High Cross

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

Floor joint sealing in High Cross, done properly

Across High Cross and the rest of Hertfordshire, it runs the same way: you send details, we send a fixed quote, the joints are done and the 12-month guarantee follows. A rough length of joint, photographs of the worst areas and a site plan let us give a quick quote and a visit can be arranged where that is easier. We work on retail and showroom floors, construction joints and saw-cut induced joints, and the failures we’re asked to look at most are grimy joint lines spoiling a showroom floor and trucks and loads jolting over damaged joints. Sealant contractors, mastic applicators, sealant specialists: whatever the job title on the order, the work in High Cross is the same: failed joints cut out, faces prepared and the right sealant laid to the right depth.

Smaller community and commercial buildings around High Cross have their own movement joints in walls and floors. They’re easily forgotten until water gets in or an edge breaks.

Every job we finish is backed by a 12-month workmanship guarantee, wherever the site is. If our installation lets you down in that time, we return and fix it.

Place
High Cross (SG11)
Region
Hertfordshire
Cover
12 months on every job
Quote
A fixed quote before we start
Phone
01277 525 020
Updated
3 November 2026
Mastic Doctor team members lined up next to their branded vans outside an office building

How the quote is worked out

Each job is priced on its own details. The things that drive the figure:

  • Any access equipment needed
  • Backing rod, priming and other preparation
  • Working within restricted access windows
  • Site requirements such as inductions and permits

Pricing floor joints depends on how many there are, their condition and the access. Call for a quote.

What to include in your enquiry

A few photographs plus some basic facts will normally do. It helps to include:

  • Clear photographs of the problem areas
  • Access details, including height
  • When you need the work done
  • The asbestos register, for older buildings

Need a figure for a tender or a budget? Send the scope and any drawings, and we will return a fixed quote you can plan around. For a chat about it beforehand, ring 01277 525 020 or use the quote form.

Why act early in High Cross

Open joints are where dirt collects, out of reach of the floor cleaner. In shops, showrooms and clean production areas that matters for hygiene and appearance. Flush, filled joints leave nothing for cleaners to dig out. Converted and older buildings near places like High Cross tend to move, and aged sealant cracks. A sealant with the right movement capability, correctly sized, lasts far better.

Cost follows what’s involved: stripping out, preparation, sealing, access and phasing. Call for a quote.

Why us?

  • Specification-led, product-correct work
  • CHAS accredited contractor
  • 12 months’ guarantee on every job
  • One contact handling all your sites

See our cost guide and how we’re accredited.

Work for main contractors and building owners

We take on planned maintenance as well as one-off repairs: working through a building or an estate in stages that fit your budget. Sites in High Cross can sit alongside others in a wider programme across Hertfordshire.

Facilities managers want contractors who arrive with the paperwork sorted. Tell us what site paperwork you need, such as RAMS, an insurance certificate or CSCS details, and we’ll confirm with the quote.

General trades versus a specialist

Redoing a failed joint usually costs more than getting it right at the outset, because the whole bead must be removed and the faces cleaned back again. That’s why many clients bring in a specialist from the beginning.

General builders and handymen seal joints, but it isn’t their main trade. A specialist brings correct preparation, depth control with backing rod and a product suited to that particular joint, which is what makes a joint last.

Your questions answered

Is hospital work, at somewhere like Hertford County Hospital, something you do?

Yes, provided the work is planned with the site’s estates team. The estates team’s permit system and infection-control rules come first, and the work is planned around them.

Can you work at a site such as Thundridge Business Park, by High Cross?

Yes. Our area takes in High Cross and its surroundings, with estates and business parks such as Thundridge Business Park included. Send details of the unit and the work through our quote form for a quick quote.

Which is better for warehouse joints, filler or sealant?

There isn’t one answer for a whole floor. Where hard wheels cross, a semi-rigid filler is typically right, and movement joints or perimeters need something flexible. The quote sets out what goes where.

Can the warehouse stay open while you work?

We phase it. We work aisle by aisle or zone by zone so the rest of the floor stays in use around the site hours and access windows you give us.

Is High Cross in your area?

Yes. We cover High Cross, and the simplest way to start is to phone 01277 525 020 or email a schedule or drawings.

Who decides which product is used?

If the job is specified, we follow the specification. If not, we choose for the movement, the surfaces and the conditions, in line with the manufacturer’s guidance.

Will your applicators have CSCS cards?

Yes. We use CSCS-carded applicators.

Floor joint sealing in High Cross: the local picture

High Cross has at least three named business or industrial parks inside a 3-mile radius. That puts plenty of warehouse floors, service yards and car parks close by, all with joints under traffic. High Cross sits in one of the drier corners of the country, the South East. Outside joints in yards and car parks still have to be dry before sealing, while winter salting gets into any joint left open.

For a school such as Thundridge Church of England Primary School, playground and building joints can be done in the holidays. Office parks like Thundridge Business Park (1 mile south-west of High Cross) have decks, ramps and clad elevations whose joints take movement every day. A healthcare site such as Hertford County Hospital (4.6 miles south-west of High Cross) depends on car parks, ramps and service yards whose joints take traffic all day.

High Cross is about 2 miles north of Ware, in Hertfordshire. High Cross sits inside our coverage and the rest of Hertfordshire, with the same fixed quotes and 12-month guarantee as everywhere else. 371 places across Hertfordshire fall within our area, High Cross among them. For work in that direction, see our London page.

If you need floor joint sealing in SG11, the process matches everywhere else we work: details, then a fixed price, then sealing and a 12-month guarantee. Buildings on North Drive, Chestnut Grove and Poplar Close are within our area. We also cover Wadesmill (1 mile south-west), Standon Green End (1 mile north), Thundridge (1 mile south), Cold Christmas (1 mile south-east) and Barwick (1 mile north-east) for floor joints. Bigger towns within reach include Stevenage (8 miles north-west), St Albans (15 miles south-west), Bishop's Stortford (8 miles east), Welwyn Garden City (8 miles south-west), Harpenden (14 miles west) and Hitchin (13 miles north-west).

What’s near High Cross

Locally, jobs take us to sites close to The White Horse Inn and the streets around them. The closest station to High Cross is Ware station, about 2.8 miles south of the centre. Nearby you will also find Museum of Street Lighting (3.4 miles south) and Hertford County Hospital (4.6 miles south-west). Open spaces near High Cross include King's Meads.

Map of High Cross © OpenStreetMap contributors

Our process

We schedule the visit to fit the site hours and access windows you give us. While we are working, the area stays contained and tidy, and your contact hears from us before we move to the next area. Jobs in and around smaller places like High Cross are usually planned as a single visit, so we ask for photos and rough sizes first. That way the right products come on the day.

  1. First comes a walk of the floor to record joint sizes, broken edges and traffic routes.
  2. A fixed quote follows, listing the treatment for each area and the order of work.
  3. We remove failed material and packed debris until sound concrete is exposed on both faces.
  4. Dust is extracted from the joint and primer applied where the manufacturer specifies it.
  5. We fill each joint to depth and finish it flush so wheels roll straight across.
  6. The area is handed back once it has cured enough to take traffic.

Preparing the site

  • For older buildings, check the asbestos register before work
  • Point out parking and an unloading spot
  • Tell us which areas need to stay in use

Request a quote

Tell us about the building, the joints and when you need the work done, and we will put a fixed quote together. The easiest way is to speak to us on 01277 525 020 or email the details over.

Get a quick quote

Advice

Different surfaces, different methods

Isolation joints at walls and columns

Perimeter and column joints get forgotten, and they collect dust and debris. We record them with the rest of the floor joints.

Loading bays and dock areas

We normally work through dock areas a few bays at a time so deliveries keep moving. Tell us your site hours and access windows and we’ll plan around them.

Accreditations

Trusted. Accredited. Insured.