BC chapter 5 Flashcards
Fire -retardant coatings
- intumescent coatings
- mastics
- gas-forming paint
- cementitious and mineral fiber coatings
Intumescent coating
coating or paintlike product that expands when exposed to the heat of the fire
mastics
heat resistant construction adhesive that bonds with most materials can be used as a fire retardent
ASTM E-84
Standard test used to measure the surface burning characteristics of various materials ….also known as Steiner Tunnel Test or Tunnel Test
International code council allows fire walls with fire-resisitive ratings ?
2,3,or 4 hours
Gap between combustible beams
4 inch minimum
Fire doors are rated in increments of time?
20 minutes to 4 hours….1/2 hour and 1/3 hour doors are primarily used in smoke barriers and openings to corridors
fire doors with ratingfs of 1-3 hours can have glass panels up to ?
100 square inches in area per door