Topics: Eco Ice Grip wood chip slip protection; Whistling noise from faucet when toilet is flushed – it’s the faucet washer; Do aluminum wiring connectors work; Mystery ABS pipe from basement to attic – combustion air for a fuel burning furnace, the Hoyme Damper; Air quality testing for mould; Low pressure in shower hot water – clean shower head – clean faucet – check for steel pipe corrosion.