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Information & Resources

North America’s Choice

Polymeric siding meets the stringent requirements of building codes across Canada and the United States, including Florida. When manufactured to the appropriate material standard and installed correctly, they meet these regulations’ demands, such as protection from the elements.

Polymeric Cladding Categories

Polymeric cladding offers versatile beauty and unbeatable strength.

Vinyl Siding

Cladding made primarily of polyvinyl chloride (PVC)

Insulated Vinyl Siding

Insulated cladding using vinyl siding combined with foam plastic insulation to produce an R-Value of 2.0 or greater

Polypropylene Siding

Cladding made primarily from polypropylene

Certified Products

As the first and only cladding product backed by an industry sponsored cladding program, with results verified by Intertek—one of the industry’s largest independent testing and certification bodies—all certified vinyl siding products are held to the highest testing and performance standards in the industry. From wind load to weatherability and fire performance, the VSI Mark represents quality and compliance you can depend on.

North American
Building Codes

These building codes impact polymeric cladding product performance and installation requirements for work in Canada and the United States, including Florida. These systems provide safety for single and multifamily structures and ensure cladding can withstand high winds and resist heat, cold, rain and moisture. Please note, the International Codes, or I-Codes, published by the International Code Council, provide a regulatory framework for the construction of homes and buildings and are adopted by every state in the United States.

What are I-Codes?

The International Codes, or I-Codes, published by the International Code Council, include considerations for resilient construction and safe use of cladding, as well as its role in protecting against water, wind and fire.

FIRE

Cladding may be required to be part of an assembly that provides necessary fire resistive construction, including use in high density settings and wildland-urban interface zones

WATER

Protection from both bulk and vapor

WIND

Tested and verified to meet the wind requirements for the U.S. and Canada; certain polymeric cladding is specially designed for coastal, high-wind areas

AIA and ICC Education Accreditation

Earn CEUs for credit with the American Institute of Architects as well as the International Code Council in our free courses. Become well-versed about vinyl siding's cladding properties in one of three ways: in-person, live online, or on demand. In addition, we present courses throughout the year at industry gatherings, including the Congress of the New Urbanism, Building Officials of Georgia and Ohio, and National Town Builders Association, among many others.

Code Reference Guide

Our at-a-glance, printable PDF guide provides a quick code resource for International, Florida and Canada building requirements, with installation and performance requirements, a helpful inspection checklist, and more to help you ensure code compliance.

Inspections to ensure code compliant installation

Use these quick tips for your inspections to ensure code compliant installations of polymeric cladding and soffit, especially in high-wind regions.

Frequently Asked Questions

Find the information you need fast about the Vinyl Siding Institute’s work—in advocacy, workforce training and certification, building code resources, sustainability and more—in our Frequently Asked Questions.