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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.