In this episode of “Ask This Old House Jenn sets a unique garden patio view for an owner who wants to grow vegetables all year round. How a frozen pipe burst Ask this old house’s plumbing and heating expert Richard Treteway how and why the frozen pipes burst. Jenn sets a unique indoor garden view for an owner who wants to grow vegetables all year round. Richard shows how and why frozen pipes burst, and Tom explains the basics of using a hole punching machine. Richard shows that when pipes freeze, they increase in volume, causing an exponential increase in water pressure and pipe burst. Richard shows how and why frozen pipes burst, and Tom explains the basics for using a hole punching machine. SoMark To attach the tiles to the fireplace, Mark used a standard material that includes a thin bed, gaskets, toothed spatula, mortar and sponges. Richard shows how and why frozen pipes burst. Jenn helped the owner assemble and plant the interior of Smart Garden 9, created by Click and Grow. To prevent pipes from freezing, Richard recommended keeping the cabinet doors open and isolating the pipes. Mark installed a 2×8″ sliding gray slate tile made by Roma Tile. Mark installed stone veneer in Avonlea and Joey’s house.