90 minute fire resistant inspection door (EI90).
Smoke proof, surface without sight screws.
Approved according to EN 1364-1e EN 1363-1.
Closure with square key (double size 500 x 500 mm). Individually Packaged in boxes.
USE
Used in crawl spaces and walls with fire protection EI90 (E = aptitude to block or produce flames, vapors or hot gases on the exposed side; I = aptitude to reduce heat transmission.)