Specify with Confidence. Build with Wool.

Frequently Asked Questions

• What insulation qualifies for LEED credits?

  LEED does not automatically award credits for choosing a particular insulation product. Insulation can contribute when it supports the requirements of applicable credits, such as material ingredient disclosure, environmental product declarations, responsible sourcing, or low-emitting materials. Project teams should review the current LEED rating system and confirm that the manufacturer's documentation satisfies the selected credit pathway.

• What LEED credits does wool insulation contribute to?

  Natural wool insulation may support LEED strategies related to Building Product Disclosure and Optimization, including material ingredients and responsible sourcing, and may also support low-emitting-material goals when the required documentation is available. A Declare label or other accepted ingredient disclosure can help with material transparency. The exact contribution depends on the LEED version, project type, selected credit pathway, and current product documentation.

• Is wool insulation suitable for multi-family buildings?

  Yes. Wool insulation can be considered for walls, floors, ceilings, roof assemblies, interior partitions, and acoustic applications in multi-family construction. The project team must still confirm thermal targets, fire and smoke requirements, acoustic assemblies, moisture design, local code requirements, and the details of the specific wall or floor system.

• Can wool insulation be specified for commercial projects?

  Yes. Architects and specifiers can include wool insulation in commercial project specifications when its tested properties and installation requirements meet the needs of the assembly. Review the appropriate product data, R-value, dimensions, coverage, fire-testing information, material disclosures, and installation guidance, then coordinate the specification with the architect, engineer, contractor, and code official.

• How do I specify wool insulation for a green building project?

  Begin by identifying the required thermal, acoustic, moisture, fire, and indoor-air-quality performance for each assembly. Select the appropriate wool product and include its product data, installation instructions, testing information, and available material-transparency documentation in the submittal package. Then map those documents to the project's LEED, WELL, Living Building Challenge, or other sustainability requirements with the project's credentialed professional.

• What is a DECLARE label and why does it matter?

  Declare is a building-product transparency program from the International Living Future Institute. A Declare label discloses product ingredients and identifies how the product relates to the Living Building Challenge Red List. It helps architects, owners, and contractors evaluate material contents more efficiently and can support material-transparency documentation for green-building programs. Always verify the label's current status and expiration date before using it for a project submittal.

• Is natural wool insulation code compliant for commercial construction?

  Code compliance depends on the specific product, assembly, occupancy, installation, and adopted local code. Havelock Wool reports Class A performance under ASTM E84 for flame spread and smoke development, but that test result does not by itself approve every commercial assembly. The design team should review current technical documents and confirm acceptance with the authority having jurisdiction.

• What certifications should architects look for in healthy insulation?

  Useful documentation may include a Declare label, Health Product Declaration, environmental product declaration, Red List status, VOC-emissions testing, responsible-sourcing information, thermal-performance data, and fire and smoke testing such as ASTM E84. The required documents vary by rating system and project, so architects should confirm current versions, expiration dates, testing scope, and whether each document satisfies the intended credit or code requirement.

• Is wool insulation suitable for healthcare or educational buildings?

  Wool insulation can be considered for healthcare and educational projects where thermal comfort, acoustic control, material transparency, and indoor environmental quality are priorities. Suitability must be evaluated within the complete assembly, including infection-control or cleaning protocols, fire and smoke requirements, acoustic targets, moisture design, and applicable institutional and local codes.

• How does wool insulation support WELL Building Standard certification?

  Wool insulation may support WELL strategies involving low-emitting materials, material transparency, moisture management, acoustic comfort, and indoor air quality. However, WELL certification applies to the overall project rather than a single product. The project team should compare current product documentation with the requirements of the WELL version and features being pursued.

• Can I cut wool insulation without a respirator?

  Havelock Wool states that its insulation is safe to handle and does not require specialized protective equipment for normal installation. A respirator is not typically required for cutting the wool itself. Contractors should still follow site-specific safety requirements, control unrelated construction dust, use appropriate cutting tools, and wear optional eye or respiratory protection when conditions or individual sensitivities warrant it.

• Can wool insulation be used in commercial buildings?

  Yes. Wool is suitable for a wide range of commercial applications, including offices, retail spaces, and multi-unit housing.

• Does wool insulation meet green building standards?

  Wool supports green certifications like LEED and WELL thanks to its natural composition, air quality benefits, and durability.

• Is wool effective for sound control in offices or public spaces?

  Absolutely. Wool provides excellent acoustic absorption, making it ideal for interior partitions and spaces where sound insulation and soundproofing matter.

• What makes wool different from mineral wool, stone wool, or fiberglass insulation?

  Wool performs without added chemicals, resists mold and moisture, and maintains integrity over time. It also contributes to healthier indoor air.

• Can commercial builders install wool insulation using standard methods?

  Yes. Wool can be installed using traditional framing practices, and they handle easily without special gear or safety precautions.

• Is wool a cost-effective choice for long-term building value?

  Wool’s durability and air quality benefits contribute to lifecycle value by reducing maintenance needs and supporting occupant wellness.