TLS Laboratories is the creator of the patented Corner Flash and Lightning Flash window and door flashing products. We also design training programs for the window and door installation industry as well as provide 3rd party inspection and expert witness services to the legal community.
TLS Laboratories is an industry leader in forensic window and door testing and leak detection. We specialize in tracking down and repairing difficult homeowner occupied leaks in windows, French doors, roofs, walls, decks, and chimneys. We also offer patented corner flashing products for both the commercial builder as well as the DIY homeowner.