At Certified Indoor Environmental, we understand your need to ensure proper building standards, safety, affordable pricing, and customer satisfaction.  We specialize in venting and limiting liability from mold growth in our challenging Pacific NW climate.  Our roofing partners prefer to work with us because we can offer a customized ventilation plan, installation, expert mold remediation, and priority scheduling for their projects. 

• Attic Mold video to share with clients
• National Roofing Contractors Association (NRCA) – Attic Ventilation Guideline
• Attic Mold – A Guide to Proper Remediation and Prevention
• Calculate Ventilation
• Recommended Bathroom Fan:  CFM rating of 110 or higher & an automatic humidity sensor.  We suggest Panasonic Whisper Sense DC fan with Dual Sensor
• Presentation:  Venting & Limiting Liability with Certified (video format)
• Contact Info Postcard – download & print OR call our office and we are happy to deliver to your office free of charge