synthetic or latex rubber, gutta-percha, or gum, and asbestos and mica for use in the manufacture of windows, doors, verandas and shutters; semi-finished acrylic molded plastic substances, for use in residential and commercial building construction; insulation materials for use in residential and commercial building construction; foam insulation or glass fiber insulation for use in construction; silicone, plastic and rubber sealing joints for windows, doors, verandas and glass windows; glazie...