R-value - Page 1 | Roofing Contractor

TimberSteel Premium Metal Roofing System

2025 Metal Special Section

October 2025 Product Focus: Metal Roofing

October 13, 2025

Metal continues to be a popular roofing system choice for homeowners and facility owners alike. Check out the latest products available from some of the biggest suppliers in roofing.

Manufacturer News

Kingspan Rebrands EPS with Aeroroof, Aerowall, Aeroslab

New brand structure simplifies product selection across roofing, wall, and structural insulation applications.

Roofing Contractor Staff

September 9, 2025

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Kingspan Insulation North America has rebranded its EPS portfolio under Aeroroof, Aerowall, Aeroslab, and Aerobloc to streamline selection and performance.

Roofing Technology

Gecko, NAES Introduce StratoSight AI-Powered Roofing Assessments

Roofing Contractor Staff

September 3, 2025

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AI and robotics company Gecko and NAES Corporation have launched StratoSight, an AI-powered inspection platform using drones to determine the status of roofs and rooftop equipment.

Kingspan said the new vacuum insulation panel addresses the growing demand for energy-efficient roofing solutions in new-build and retrofit applications with limited construction depth.

New Product News

Kingspan Launches OPTIM-R E, Encapsulated Vacuum Insulation Panel

Vacuum-insulated roofing system achieves optimum thermal performance in tight spaces without increasing roof height

Roofing Contractor Staff

April 28, 2025

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Kingspan Insulation North America introduces OPTIM-R E, a durable, ultra-thin vacuum insulation panel delivering an R-Value of 34.2 per inch for space-limited projects.

HD polyiso cover boards enhance roof durability, thermal performance and installation efficiency.

Guest Essay

HD Polyiso Cover Boards: High-Density for Superior Roof Protection

Advantages for maximizing roof protection and performance

Justin Koscher

February 7, 2025

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Want to know about cover boards, or expand your understanding of their role in roofing? Learn from Justin Koscher, PIMA's president, about how cover boards with insulation can save time and money on the job.

Johns Manville’s new ENRGY 3 HD Cover Board (pictured).

New Product News

JM Rolls Out New ENRGY 3 HD Cover Board

Company touts superior strength at desirable weight

Roofing Contractor Staff

July 24, 2024

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Johns Manville says its new ENRGY 3 HD cover board is 85% lighter than gypsum and offers superior R-value, strength, damage resistance, plus easier handling.

Roofing Products

Tubos Expands Line to Include 5-Inch Diameter Vent Pipe Extension

Roofing Contractor Staff

May 29, 2024

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Patented Tubos pipe extensions are now available in 2-, 3-, 4- and 5-inch diameters to accommodate most common vent stack sizes, saving time on the roof.

How Thick is Too Thick When Installing Polyiso Roof Insulation?

The answer may seem obvious, but understanding the reasons why are important to a roof's integrity

Marcin Pazera Ph.D.

May 20, 2024

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Polyiso roof insulation boards offer energy efficiency and versatility for commercial roofing; different thicknesses cater to various needs and codes, and multi-layered installation is key for performance and stability.

GAF EnergyGuard Non-Halogenated Polyiso

April 7, 2023

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GAF EnergyGuard NH Polyiso offers excellent thermal value and is free of potentially hazardous flame retardant chemicals, making it better for the environment.