Glass experts at Read Consulting provide services as window experts. Read Consulting offers a wide spectrum of window testing and evaluation. Included are glass failure analysis, evaluation of window damage and window scratching, window performance (light transmission testing of low-E windows), problems with laminated glass, temper level of tempered and heat-strengthened glass, nickel sulfide induced failures of tempered glass and window distortion. These services are a natural outgrowth of continuous involvement with glass, glass properties and useable items made from glass.