Skip to content

Pi-Pi Blog

Practical articles about Pi-Pi waterless garden urinals and outdoor sinks: how to install them in a garden cottage, allotment, garage, and homes without plumbing, how to maintain them, and how to place a urinal next to a composting or separating toilet. Separate analyses include local regulations for garden associations and constructions in different countries and the cost of ownership calculations for rental toilet cabin parks.

How to Wash Your Hands in the Garden With No Tap and No Drain

5 min read

How to Wash Your Hands in the Garden With No Tap and No Drain

The Pi-Pi waterless garden sink washes the soil off your hands and rinses your produce right by the beds. You supply the water from your own butt or tank; the dirty water runs off by gravity into a bucket.

How to Wash Your Hands in the Garage With No Water Line or Drain

5 min read

How to Wash Your Hands in the Garage With No Water Line or Drain

A waterless garage sink from Pi-Pi: mount it on the wall, pour your own water, and the dirty water drains straight down into a bucket. No plumber, no water line, and it holds up in the cold.

Waterless Urinals in Bulgarian Mobile Toilet Rentals

7 min read

Waterless Urinals in Bulgarian Mobile Toilet Rentals

How a Bulgarian mobile toilet rental operator can add waterless urinals: fewer pump-outs, less water, and a stepped outlet that suits common hose diameters.

Waterless Urinal: How to Install, Clean and Maintain It

6 min read

Waterless Urinal: How to Install, Clean and Maintain It

A practical guide to the Pi-Pi waterless urinal: 5–7 minute installation, daily and weekly cleaning without water or odour, winter maintenance, and connecting the drain.

Regulation 4/2002 SzCsM-EüM and Site Facilities in Hungary

7 min read

Regulation 4/2002 SzCsM-EüM and Site Facilities in Hungary

What Regulation 4/2002 SzCsM-EüM requires from site facilities in Hungary: BSZK plan, safety coordinator, inspections, frost resistance, and compatibility with Hungarian cabins.

Regulation 591/2006 and Sanitary Units on Czech Construction Sites

7 min read

Regulation 591/2006 and Sanitary Units on Czech Construction Sites

What ‘Nařízení vlády č. 591/2006 Sb.’ requires from sanitary facilities on construction sites: BOZP plan, BOZP coordinator role, OIP inspections, frost resistance, and compatibility with TOI TOI cabins.

Waterless Urinal Guide for Scandinavian Garden Allotments

7 min read

Waterless Urinal Guide for Scandinavian Garden Allotments

How to install a waterless urinal in Danish, Swedish, and Finnish garden allotments without sewage connection: garden law, regulations, compost compatibility.

HG 300/2006 and Sanitary Units on Romanian Sites

7 min read

HG 300/2006 and Sanitary Units on Romanian Sites

What HG 300/2006 requires for site sanitation: PSS, safety coordinator, ITM checks, frost resistance for Carpathians, TOI TOI România compatibility and work abroad in Italy and Spain.

Waterless Urinal for Polish ROD Allotments

7 min read

Waterless Urinal for Polish ROD Allotments

What Poland’s 2013 allotment act and the PZD rules say about garden sheds and waste tanks, and how to fit a waterless urinal in a shed without sewerage and get it ready for winter.

Decree-Law 273/2003: Sanitary Facilities on Construction Sites in Portugal

7 min read

Decree-Law 273/2003: Sanitary Facilities on Construction Sites in Portugal

What Decree-Law 273/2003 and Portaria 101/96 require from sanitary facilities on temporary or mobile construction sites: PSS, preliminary notice, ACT control, climate of Algarve and Trás-os-Montes.

Workplace Safety in Poland Construction Sites

7 min read

Workplace Safety in Poland Construction Sites

Discover Poland’s construction site sanitary requirements, including BIOZ plans and PIP inspections, for compliance and safety.

Waterless Urinals for Urban Gardens in Spain

7 min read

Waterless Urinals for Urban Gardens in Spain

Waterless urinals for community gardens: garden rules and approvals, Iberian water scarcity, LLDPE under the Mediterranean sun, network procurement.

Waterless Urinals for Urban Gardens in Portugal

7 min read

Waterless Urinals for Urban Gardens in Portugal

How to install a waterless urinal in urban gardens without plumbing: coordination with management, water scarcity, municipal procurement.

Sanitation on Swedish Construction Sites AFS Guide

7 min read

Sanitation on Swedish Construction Sites AFS Guide

Discover AFS 1999:3 and AFS 2020:1 requirements for site facilities in Sweden: BAS-P and BAS-U roles, toilet calculations, inspections, frost resistance for Norrland.

Waterless Urinal for Garden Plots Guide for AVVN Members

6 min read

Waterless Urinal for Garden Plots Guide for AVVN Members

Learn how to install a waterless urinal in your garden plot without sewage connection: AVVN guidelines, municipal land use plan, compost toilet compatibility.

Urinal Cost of Ownership for Toilet Rental Fleets in France

7 min read

Urinal Cost of Ownership for Toilet Rental Fleets in France

Urinal cost of ownership for a French portable toilet rental fleet, line by line and without formulas: four climate zones, pump-out schedules and logistics between depot and site.

Real Decreto 1627/1997 and Site Facilities in Spain

7 min read

Real Decreto 1627/1997 and Site Facilities in Spain

What Real Decreto 1627/1997 and the construction industry agreement require from site facilities: calculations, ESS and PSS documents, ITSS checks, material behavior in sun and frost.

Waterless Urinal for a French Allotment: A Practical Guide

6 min read

Waterless Urinal for a French Allotment: A Practical Guide

Fitting a waterless urinal in the shed of a French allotment garden with no sewer connection: the 1976 law, the site rules, dry-toilet regulations, installation and winter.

D.Lgs 81/08 and Sanitary Units on Italian Construction Sites

7 min read

D.Lgs 81/08 and Sanitary Units on Italian Construction Sites

Discover D.Lgs 81/08 requirements for sanitary facilities on Italian construction sites, including calculations, safety documents, ASL checks, frost resistance, and Sebach compatibility.

French Labour Code R.4228 and Site Sanitary Facilities

7 min read

French Labour Code R.4228 and Site Sanitary Facilities

What the French Labour Code requires on a construction site: toilets and urinals per headcount, washbasins, drinking water, PPSPS, heating – and where a waterless urinal fits.

CDM 2015 and Site Welfare Facilities in the UK Guide

7min read

CDM 2015 and Site Welfare Facilities in the UK Guide

Discover CDM 2015 Schedule 2 and HSE requirements for site welfare facilities in the UK: assessment, risk management, HSE inspection compatibility.

Portable Toilets for Italian Festivals and Fairs

7 min read

Portable Toilets for Italian Festivals and Fairs

Discover how an Italian toilet rental company optimises festival service with separate urinals: peak load, pumping, and total cost of ownership.

Arbowet and Arbobesluit: Site Toilets in the Netherlands

7 min read

Arbowet and Arbobesluit: Site Toilets in the Netherlands

What Arbobesluit requires for site toilets: worker count, V&G plan, labour inspection checks, frost resistance, and Dixi fleet compatibility.

Installing a Waterless Urinal in a Garden Shed

5 min read

Installing a Waterless Urinal in a Garden Shed

How to install a waterless urinal in a garden shed without plumbing: correct setup, choosing a tank and what to do with the collected urine.

Urinal Cost of Ownership in a Rental Fleet: PP vs LLDPE

8 min read

Urinal Cost of Ownership in a Rental Fleet: PP vs LLDPE

How to work out the real cost of a urinal in a portable toilet rental fleet – a simple formula, a worked example and what PP and LLDPE change in it.

ASR A4.1 and Portable Toilets on German Construction Sites

6 min read

ASR A4.1 and Portable Toilets on German Construction Sites

Explore ASR A4.1 requirements for portable toilets on German sites, including urinal-toilet ratio, inspection documents, and winter operation.