Siplast contractor wearing black gloves holding a Siplast bucket, mixing a Siplast product with a wooden tool

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 calculators1 for our most popular liquid products, including tools for estimating waste factors.2

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

Terapro Pedestrian Access Waterproofing - Reinforced

Terapro Pedestrian Access Waterproofing - Unreinforced

Terapro Vehicular Access Waterproofing

White papers and bulletins

White Papers & Bulletins

Check out in-depth coverage of roofing and waterproofing topics related to Siplast products, from SBS-bitumen hot weather application to vegetated roof systems and methods of installation that can help you meet your goals.