Rubber Mulch Formula:
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Rubber mulch is a recycled product made from shredded tires that provides a durable, low-maintenance surface for playgrounds. It offers excellent impact absorption and doesn't decompose like organic mulch.
The calculator uses the formula:
Where:
Explanation: The formula converts depth from inches to feet (dividing by 12) before multiplying by length and width to get cubic feet.
Details: Proper depth is crucial for safety and performance. For playgrounds, 6 inches is recommended for equipment up to 8 feet tall, while 9-12 inches is needed for higher equipment.
Tips: Measure your playground area accurately in feet. Enter depth in inches based on safety requirements for your equipment height.
Q1: How much area does one bag cover?
A: A standard 0.8 cubic foot bag covers about 1.6 square feet at 6" depth.
Q2: Does rubber mulch compact over time?
A: Rubber mulch settles about 10-15% initially but then remains stable, unlike organic mulch that decomposes.
Q3: How often does it need replacement?
A: Rubber mulch lasts 10+ years with minimal maintenance, just occasional raking to maintain even distribution.
Q4: Is rubber mulch safe for children?
A: Yes, when properly installed. It's non-toxic, doesn't splinter, and provides excellent fall protection.
Q5: Can I install it over existing surfaces?
A: It can be installed over dirt or existing mulch, but proper drainage and weed barriers are recommended.