... degree 3. sun-proof surface 4. soundproof, insul Russia style armored door Sun-proof, Sound-proof, shock-proof, warmth ... elegant, smooth and silent for openingSecurity Steel Door / Russia style armored door STANDARD SIZE (mm)HEIGHT2050WIDTH960 or 860THICKNESS(door leaf ... Sun-proofcan be used outdoor Infillingfoam plateor Rock Woolhoneycomb paperFCY Q'TY2050x860x70mm, 324/40'HQ;2050x960x70mm, 300/40'HQ; ...