Building Envelope Technology & Research (BET&R) is a professional roofing, waterproofing, and cladding consulting firm specializing in building envelope design for new and retrofit construction projects, moisture intrusion investigation and remediation, dispute resolution, expert witness work for construction litigation projects, and materials and application testing, research, and technology. BET&R is committed to providing detailed and quality services, maintaining high standards for our company, and putting the client needs first. BET&R has worked extensively in the northwest and all over the United States on buildings of all shapes and sizes.