RLI Building Envelope Specialists Ltd.

We are a full service insulation company servicing the Lower Mainland and out reaching areas since 2008. We pride ourselves on being customer focused to provide quality workmanship at affordable prices.

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Insulation and Air Sealing Manual

The Insulation and Air Sealing Manual provides contractors with up to date best practices, building science foundations, and summaries of codes.

Insulation Training - BC

NOTE TO USERS: This training has a new and updated version - the 2022 Insulation and Air Sealing: National edition. Click on Module 1.1 to learn more...

Learning Centre

Passive House

Practical example for the application of the Passive House method to house construction.