You can also opt to measure from the middle of the spa, the corners do not interfere with your measurements. Skirt: The skirt is the flap that hangs from the bottom of your spa cover. It is usually 2 to 5 long. The skirt height is calculated based on customer preference and space. The perfect height is one that covers the acrylic, without being so long that it bunches and pushes the cover up and lets heat escape.
Noun. 1. berm-a narrow ledge or shelf typically at the top or bottom of a slope. ledge, shelf-a projecting ridge on a mountain or submerged under water.erm. 1. a level strip of ground at the summit or sides, or along the base, of a slope. 2. a nearly flat back portion of a beach formed of material deposited by the waves.
1 Properly constructed backstop berm Deinition: A backstop is a device constructed to stop or re-direct bullets ired on a range. Purpose/Use: A backstop is the key component providing range safety and use for people in the area in and beyond a rile or pistol range. berm is an earthen or concrete embankment or wall constructed to restrict bullet travel to a. Purpose: Walling off and isolating various distanced shooting bays at an outdoor range, so that concurrent. use of each range can take place, with independent activity at each range and iring line.