Insulation / Housewrap
Roxul Inc.

Roxul Inc. is part of Rockwood International, the world's largest producer of mineral wool insulation with 23 facilities in 14 countries. We have operated our Harrop Drive Head Office and manufacturing facility in Milton, Ontario since 1988.

Johns Manville

Johns Manville, a Berkshire Hathaway company, is a leading manufacturer and marketer of premium-quality building insulation, commercial roofing, and specialty products for commercial, industrial, and residential applications.

Typar House Wrap

If Typar House Wrap is ever damaged by weather or under normal construction conditions, we'll replace it at no charge. Labour is not included. Apply Typar immediately after framing is completed and insulation has been installed and before windows and doors are installed.


Dow is a leader in science and technology, providing innovative chemical. plastic and agricultural products and services to many essential consumer markets. With annual sales of $33 billion. Dow serves customers in more than 180 countries and a wide range of markets that are vital to human progress, including food, transportation, health and medicine, personal and home care, and building and construction, among others.