CONTRACTOR RESOURCES

Material estimating calculators

Estimating calculators

As a contractor, you understand the importance of accurately estimating the materials needed for a project, especially with liquid products. This can be a challenging task, so we've provided easy-to-use calculators* for our most popular liquid products, including tools for estimating waste factors.

*These calculators are for guidance purposes only. Quantities provided are approximate and based solely on the information submitted to Siplast. Siplast has not verified the accuracy of the information submitted and therefore, users should use caution in relying upon quantities to provide project bids or estimates. You should always confirm quantities prior to ordering. Any Siplast pricing provided for use here is subject to the same terms and conditions set forth on the price quote.

Suggested waste factor depends upon a number of factors specific to a particular project. These figures are provided for guidance purposes only. You should confirm the appropriate waste factor prior to ordering.

Estimating guides

As a contractor, you know that accurately estimating the amount of materials you need is critical. This can be challenging with liquid products. To help, we've provided easy-to-use estimating guides for our most popular liquids products, including waste factor estimation tools, below.
Parapro Roof Membrane

Parapro Roof Membrane Estimating Guide

The estimating tools are for guidance purposes only, and contractors are ultimately responsible for ensuring sufficient quantities of materials are ordered.