Fošna
Fošna určená k opravě lodi
Fošna je druh stavebního řeziva obdobného jako prkno, ale s větší tloušťkou. Vyrábí se strojním řezáním z kmenů poražených stromů pomocí strojních pil resp. katrů.
Fošny se používají na podlahy, konstrukce zárubní a další.
Obvyklé rozměry
Fošny jsou tlustší než prkna (ta mají tloušťku do 38 mm).
- šířka: 300–600 mm
- tloušťka: 40–100 mm
- délka: 3000–7000 mm
Související články
Externí odkazy
Obrázky, zvuky či videa k tématu Fošna na Wikimedia Commons 
Slovníkové heslo fošna ve Wikislovníku
Média použitá na této stránce
US Navy 090513-N-1060K-122 Ship restorers Chris Hanlon, bottom, and Paul Chiasson line up a new plank of white oak along USS Constitution's starboard side.jpg
BOSTON, Mass. (May 13, 2009) Ship restorers Chris Hanlon, bottom, and Paul Chiasson line up a new plank of white oak along USS Constitution's starboard side at the Naval History and Heritage Command Detachment. Restoration to Old Ironsides's hull, masts and main deck are part of a $7 million overhaul scheduled for completion by 2011. Constitution is at 211 years old ‚Äö is the oldest commissioned warship afloat in the world. It is manned by more than 70 active duty U.S. Navy Sailors, and visited by nearly half a million tourists annually. (U.S. Navy photo by Mass Communication Specialist Petty Officer 3rd Class Anna Kiner/Released)
BOSTON, Mass. (May 13, 2009) Ship restorers Chris Hanlon, bottom, and Paul Chiasson line up a new plank of white oak along USS Constitution's starboard side at the Naval History and Heritage Command Detachment. Restoration to Old Ironsides's hull, masts and main deck are part of a $7 million overhaul scheduled for completion by 2011. Constitution is at 211 years old ‚Äö is the oldest commissioned warship afloat in the world. It is manned by more than 70 active duty U.S. Navy Sailors, and visited by nearly half a million tourists annually. (U.S. Navy photo by Mass Communication Specialist Petty Officer 3rd Class Anna Kiner/Released)