1. takes note of rain-proof, waterproof, moisture-proof.
2. when the temperature is above a certain temperature, insulation must be suitable for the outside.
3. when the insulation is 90 degrees, and there is a certain height, rock wool insulation layer must have a locating PIN or support ring, spacing must not be greater than 3 m in case of insulation materials in vibration to the slide.
4. insulation equipment, insulation nails and pipes against corrosion, could accept the appropriate coating. Where there should be no leaks. So you can achieve better results.