Rain Load Calculator

Calculate Rain Load



Formula

The formula to calculate the Rain Load is:

\[ RL = 5.2 \times (ds + dh) \]

Where:

What is Rain Load?

A rain load is a measure of the pressure acting on a roof with a certain depth of water resting in the drainage system of the roof. It is crucial for determining the structural requirements and safety measures needed for roofs to withstand the pressure exerted by accumulated rainwater.

Example Calculation 1

Let's assume the following values:

Using the formula:

\[ RL = 5.2 \times (2 + 1) = 15.60 \text{ psi} \]

The Rain Load is 15.60 psi.

Example Calculation 2

Let's assume the following values:

Using the formula:

\[ RL = 5.2 \times (3 + 2) = 26.00 \text{ psi} \]

The Rain Load is 26.00 psi.