Betekenis van:
crown fire
crown fire
Zelfstandig naamwoord
- a forest fire that advances with great speed jumping from crown to crown ahead of the ground fire
Hyperoniemen
Voorbeeldzinnen
- Panels with a profiled external metal facing incorporating:minimum thickness 0,4 mm for facings of steel and stainless steel;minimum thickness 0,9 mm for facings of aluminium;at each longitudinal joint between two panels an overlap of the external metal facing extending across the crown and a minimum 15 mm down the opposite face of the crown, or a metal cover cap completely covering the joint crown, or a raised standing metal seam along the joint;at each transverse joint between two panels an overlap of the external metal facing of at least 75 mm;a protective weather coating comprising a liquid applied PVC paint of maximum nominal dry film thickness 0,200 mm, a PCS of not greater than 8,0 MJ/m2 and a maximum dry mass of 300 g/m2;or any thin paint coating less than the above;minimum reaction to fire classification of D-s3, d0 without edge protection in accordance with EN 13501-1.