The surfaces shall be clean, smooth, and sound, free from any adhesion-inhibiting substances such as dust, oil, dirt, rust, detergents, etc. Any cracks and voids shall be repaired using appropriate SPEKTRON repair compounds.
SPEKTRON PUH-2K shall be applied 3–4 days after repair of cracks.
All embedded parts, grooves, and clamps shall be isolated using beveled strips.
The surface to be waterproofed shall be dry. Water stains, seepage, and excess moisture shall be removed.