For questions relating to the water system of a home or other building, including plumbing and fixtures, water heating, water filtering and treatment, and irrigation/sprinkler systems. Questions regarding swimming pools and spas should have the additional tags "pool" or "spa".
Related to improper placement of a vapour barrier within wall insulation, are there any tools or methods for measuring water/moisture content within a wall cavity?
I've seen the following perlator and similars (also plastic ones) on some shopping sites. They claim it can decrease water consumption up to 40%. Is it possible? Is it worth to try?