1. Installation Instructions for Retlectix Inc Double Reflective Insulation Product consists of two 96 reflective layers of film bonded to two internal layers of heavy gauge polyethylene bubbles 5 16 thick The product is available in 16 24 and 48 widths Click here for additional product information Pdf Links click on the category below to be directed to detailed application webpages and installation instruction pdfs o Residential e Metal Building e Post Frame Building