ROCKWOOL’s Technical team provides product, application and building science support for architects, designers, specifiers, builders, and anyone seeking technical assistance with the use of stone wool insulation. Our teams can provide solutions to your design and constructability challenges and assist you in optimizing the thermal efficiency and durability of your building design, reaching far beyond insulation.

Technical Documentation & Construction Details

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Protection of Stone Wool Insulation for Foundation at Grade
Protection of Stone Wool Insulation for Foundation at Grade

Where foundation insulation is on the exterior of foundations and touches the ground it needs to be protected

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Resistance of ROCKWOOL Stone Wool Insulation to Termites
Resistance of ROCKWOOL Stone Wool Insulation to Termites

Construction materials used in North America, and more specifically in tropical and subtropical regions are exposed to severe risk of attack by subterranean termites.

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Resistance of ROCKWOOL Exterior Insulation to Ultraviolet Light
Resistance of ROCKWOOL Exterior Insulation to Ultraviolet Light

This technical bulletin addresses the impact of UV light on unfaced ROCKWOOL exterior stone wool insulation products, and on the ROCKWOOL Cavityrock® Black facer.

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Insulating Movement Joints - Technical Bulletin
Insulating Movement Joints - Technical Bulletin

This technical note applies to movement joints between the support structure and the superstructure, especially at floors.

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Industrial/Commercial Masonry Construction with Exterior Insulation up to 4 Stories
Industrial/Commercial Masonry Construction with Exterior Insulation up to 4 Stories

This document provides example key assembly interface details showing the use of ROCKWOOL ® products within an exterior insulated wall assembly for lowrise commercial and industrial masonry buildings up to 4 stories.

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Steel Frame Construction with Split Insulation up to 6 Stories - Lightweight Cladding
Steel Frame Construction with Split Insulation up to 6 Stories - Lightweight Cladding

This document provides example key assembly interface details showing the use of ROCKWOOL ® products within a split-insulated wall assembly for mid-rise residential and commercial buildings up to 6 stories.

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New Updates to NFPA 285 Could Affect Future Exterior Wall Assembly Designs
New Updates to NFPA 285 Could Affect Future Exterior Wall Assembly Designs

The 2019 changes to the NFPA 285 standard are designed to increase transparency and widen the scope of the test. See what these changes include and how ROCKWOOL stone wool products can help exterior wall assemblies achieve NFPA 285 compliance.

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California Department of Forestry & Fire Protection - Comfortboard 110 Listing
California Department of Forestry & Fire Protection - Comfortboard 110 Listing

ROCKWOOL Comfortboard® 110 has been tested in accordance with ASTM E84 to be listed as insulation for wall assemblies complying with the California Building Code and is therefore certified by the California State Fire Marshall's Building Materials Listing Program (BML).

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Cavityrock Open Jointed Rainscreen Systems - Technical Bulletin
Cavityrock Open Jointed Rainscreen Systems - Technical Bulletin

ROCKWOOL CAVITYROCK® is designed, tested and approved for use in cavity wall and rainscreen systems. It is not necessary to use any weather resistant, protective material overtop the insulation.

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Exposure to the Elements - Technical Bulletin
Exposure to the Elements - Technical Bulletin

ROCKWOOL insulation should be covered by the exterior cladding as soon as possible after installation, as the cladding will protect the insulation

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QAI Code Evaluation Report 2022
QAI Code Evaluation Report 2022

This report verifies that the listed ROCKWOOL products comply with the stated code requirements, while clearly indicating to code officials how to identify the products, the approved applications of the products and installation requirements.

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Storage of ROCKWOOL Stone Wool Insulation - Technical Bulletin
Storage of ROCKWOOL Stone Wool Insulation - Technical Bulletin

When storing ROCKWOOL stone wool insulation, consider these recommended best practices to avoid damaging the product.

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AFB® Acoustical Fire Batt Insulation - US Data Sheet
AFB® Acoustical Fire Batt Insulation - US Data Sheet

Lightweight, acoustical fire batt stone wool insulation specifically designed for steel stud and wood stud interior wall and floor applications where superior fire resistance and acoustical performance are required. For USA.

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AFB® Acoustical Fire Batt Insulation - CA Data Sheet
AFB® Acoustical Fire Batt Insulation - CA Data Sheet

Lightweight, acoustical fire batt stone wool insulation specifically designed for steel stud and wood stud interior wall and floor applications where superior fire resistance and acoustical performance are required. For Canada.

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AFB® evo Formaldehyde-Free Acoustical Fire Batt - Data Sheet
AFB® evo Formaldehyde-Free Acoustical Fire Batt - Data Sheet

Lightweight stone wool batt insulation that is UL validated to be Formaldehyde Free providing superior sound absorbency and fire protection for steel stud and wood stud interior wall and floor applications.

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Cavityrock® Cavity Wall and Rainscreen Insulation - Data Sheet
Cavityrock® Cavity Wall and Rainscreen Insulation - Data Sheet

Semi-rigid stone wool insulation boards available in mono and dual density designed for exterior cavity wall and rainscreen applications. This product is compatible with numerous cladding attachment systems and is available with a black mineral fleece facing for open-joint cladding systems.

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Comfortboard® 110 Continuous Insulation - Data Sheet
Comfortboard® 110 Continuous Insulation - Data Sheet

Rigid non-structural exterior sheathing stone wool insulation boards used as continuous insulation to hep create high-performance wall assemblies to improve the energy efficiency and fire resilience of buildings.

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Curtainrock® 40 Curtain Wall Thermal Insulation - Data Sheet
Curtainrock® 40 Curtain Wall Thermal Insulation - Data Sheet

Lightweight, semi-rigid stone wool insulation boards designed to provide enhanced fire protection in curtain wall and perimeter fire containment systems.

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Curtainrock® 80 Curtain Wall Thermal Insulation - Data Sheet
Curtainrock® 80 Curtain Wall Thermal Insulation - Data Sheet

Lightweight, semi-rigid stone wool insulation boards designed to provide enhanced fire protection in curtain wall and perimeter fire containment systems.

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Curtainrock® Curtain Wall Thermal Insulation - Data Sheet
Curtainrock® Curtain Wall Thermal Insulation - Data Sheet

Lightweight, semi-rigid stone wool insulation boards designed to provide enhanced fire protection in curtain wall and perimeter fire containment systems. Available in Canada only.

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Frontrock Exterior Insulation Finish System (EIFS) - Data Sheet
Frontrock Exterior Insulation Finish System (EIFS) - Data Sheet

Semi-rigid and non-combustible stone wool insulation boards engineered to be used in mechanically-fastened exterior insulation finish system (EIFS) designs.

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Rockboard® 40 Multi-Purpose Board Insulation - Data Sheet
Rockboard® 40 Multi-Purpose Board Insulation - Data Sheet

Premium, semi-rigid multi-purpose stone wool insulation boards used in walls, ceilings and floors for acoustic and thermal applications.

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Rockboard® 60 Multi-Purpose Board Insulation - Data Sheet
Rockboard® 60 Multi-Purpose Board Insulation - Data Sheet

Premium, rigid multi-purpose stone wool insulation boards used in walls, ceilings and floors for acoustic and thermal applications.

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ROCKWOOL Plus™ MB Metal Building Insulation - Data Sheet
ROCKWOOL Plus™ MB Metal Building Insulation - Data Sheet

Lightweight, semi-rigid mineral wool batt insulation designed for pre-engineered metal building construction where an hourly fire rating is not required.

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ROXUL Safe® 55 Metal Building Insulation - Data Sheet
ROXUL Safe® 55 Metal Building Insulation - Data Sheet

Stone wool insulation boards for exterior and interior non-load-bearing, steel-faced firewall applications where a fire resistance rating is required. It is approved for use in a 2-hour fire-rated system.

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ROXUL Safe® 65 Metal Building Insulation - Data Sheet
ROXUL Safe® 65 Metal Building Insulation - Data Sheet

Stone wool insulation boards for exterior and interior non-load-bearing, steel-faced firewall applications where a fire resistance rating is required. It is approved for use in a 1-hour fire-rated system.

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ROXUL Safe® Fire Safing Insulation - Data Sheet
ROXUL Safe® Fire Safing Insulation - Data Sheet

Semi-rigid, stone wool batt insulation that provides fire-stopping and acoustical properties. It is approved for use in fire rated joints, through penetrations and perimeter fire containment systems.

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Multifix™ Flat Roof Insulation - Data Sheet
Multifix™ Flat Roof Insulation - Data Sheet

Dual-density, stone wool insulation boards for flat roofing applications with a mineral-coated fiberglass facer that is compatible with multiple attachment methods including torched, hot-mopped, cold-adhered and liquid systems.

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Toprock® DD Flat Roof Insulation - Data Sheet
Toprock® DD Flat Roof Insulation - Data Sheet

Dual-density, stone wool insulation boards designed as a substrate board for all low-slope roof decks and is compatible as the substrate for mechanically attached membrane systems.

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TOPROCK DD PLUS Flat Roof Insulation - Data Sheet
TOPROCK DD PLUS Flat Roof Insulation - Data Sheet

ROCKWOOL TOPROCK® DD Plus is a high-density, bitumen-coated stone wool insulation board for low-slope roof applications. It is compatible as the substrate for the following membrane attachment types: torched and hot mopped.

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Cladding Attachment Solutions For Exterior Insulated Commercial Walls
Cladding Attachment Solutions For Exterior Insulated Commercial Walls

This guide will help with evaluating an appropriate cladding attachment strategy by providing details on the implications these decisions have on effective thermal performance, installation methods, sequencing and system costs. An overview of nine different cladding support systems utilizing ROCKWOOL insulation products is included.

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Cladding Attachment Solutions For Exterior Insulated Commercial Walls
Cladding Attachment Solutions For Exterior Insulated Commercial Walls

This guide will help with evaluating an appropriate cladding attachment strategy by providing details on the implications these decisions have on effective thermal performance, installation methods, sequencing and system costs. An overview of nine different cladding support systems utilizing ROCKWOOL insulation products is included.

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Board Insulation Attachment Guide
Board Insulation Attachment Guide

Get recommendations and view diagrams for attaching ROCKWOOL semirigid and rigid board insulation products for most common applications, including cladding attachment systems or plain board installation.

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CAL Fire Listed Products
CAL Fire Listed Products

The California Office of the State Fire Marshal's Building Materials Listing Program includes materials tested to confirm they meet stated performance and reliability features. Only ROCKWOOL has building insulation products certified by this program — see what they are.

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California Title 24 Part 6 2019 Energy Code Updates
California Title 24 Part 6 2019 Energy Code Updates

California’s state building code, Title 24, includes strict fire code requirements to address the vulnerability of buildings near wildfire-prone areas. Get the details you need on updates to this code and how ROCKWOOL insulation products and technical services can help.

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New Updates to NFPA 285 Could Affect Future Exterior Wall Assembly Designs
New Updates to NFPA 285 Could Affect Future Exterior Wall Assembly Designs

The 2019 changes to the NFPA 285 standard are designed to increase transparency and widen the scope of the test. See what these changes include and how ROCKWOOL stone wool products can help exterior wall assemblies achieve NFPA 285 compliance.

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LEED Submittal Guide
LEED Submittal Guide

ROCKWOOL provides project-specific LEED certificates for submission purposes. A range of stone wool thermal insulation products can be used to achieve the minimum energy performance and optimized energy performance credits. Use this guide to get started on your next submittal.

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ROCKWOOL Passive House Solutions Guide
ROCKWOOL Passive House Solutions Guide

Our guide fills you in on the principles of the Passive House standard and its requirements while also providing numerous construction details for mass wall and steel-framed wall assemblies incorporating our stone wool insulation products.

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Performance of Strapping Attachment on Walls with Long Screws though ROCKWOOL Rigid Insulation – Technical Bulletin
Performance of Strapping Attachment on Walls with Long Screws though ROCKWOOL Rigid Insulation – Technical Bulletin

Research and in-situ performance has shown that attaching exterior strapping with just screws directly through layers of ROCKWOOL rigid stone wool insulation is an efficient cladding attachment solution from a thermal, structural and moisture perspective.

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Moisture Durability of Stone Wool Insulation
Moisture Durability of Stone Wool Insulation

Constructing buildings with continuous exterior insulation reduces thermal bridging and heat loss through the enclosure. It has also been repeatedly shown to reduce moisture durability risks related to cold weather condensation.

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Wind Washing of Air Permeable Insulation
Wind Washing of Air Permeable Insulation

Modern enclosure design favors the use of exterior continuous insulation (ci) over the supporting structure.

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Safe Use Instruction Sheet
Safe Use Instruction Sheet

This document is provided by ROCKWOOL to communicate recommended safe handling and use instructions.

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