Spectrem 1 is a low modulus, high-performance, one-part, moisture-curing silicone joint sealant.
Basic Uses Spectrem 1 has exceptional physical properties, making it an ideal sealant for sealing the most demanding dynamically moving joints. This includes material having a high coefficient of linear expansion such as aluminum curtainwalls, precast concrete panels, metal panels and window perimeters. Spectrem 1 is formulated for expansion, control, lap joints, and EIFS applications. It also acts as an adhesive used in conjunction with Spectrem Simple Seal™. Simple Seal is used as a bridge seal in both new construction and restoration work. (Please refer to the Simple Seal data sheet for more on this product.)