Search results
Results from the WOW.Com Content Network
Batter boards (or battre boards, Sometimes mispronounced as "battle boads") are temporary frames, set beyond the corners of a planned foundation at precise elevations. These batter boards [ 1 ] are then used to hold layout lines (construction twine) to indicate the limits [ 2 ] (edges and corners) of the foundation.
Flame spread, or surface burning characteristics rating, [1] is a ranking derived by laboratory standard test methodology of a material's propensity to burn rapidly and spread flames. There are several standardized methods of determining flame spread,
The output section of the NFDRS structure chart is the components or simply the outputs that are based in fire behavior description but expressed in the broader context of fire danger rating. [6] Spread Component – Displays a value numerically equivalent to the predicted forward rate of spread of a head fire in feet per minute.
The board foot or board-foot is a unit of measurement for the volume of lumber in the United States and Canada. [1] It equals the volume of a board that is one foot (30.5 cm) in length, one foot in width, and one inch (2.54 cm) in thickness, or exactly 2.359 737 216 liters. Board foot can be abbreviated as FBM (for "foot, board measure"), BDFT ...
As previously noted, less wood is needed to produce a given finished size than when standards called for the green lumber to be the full nominal dimension. However, even the dimensions for finished lumber of a given nominal size have changed over time. In 1910, a typical finished 1-inch (25 mm) board was 13 ⁄ 16 in (21 mm). In 1928, that was ...
Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!
In the harmonized Euroclass system of reaction to fire performance of building products, wood wool boards can be classified as A2-s1, d0 according to EN 13501-1 Fire classification of construction products and building elements; Part 1: Classification using data from reaction to fire tests. [8]
AOL Mail welcomes Verizon customers to our safe and delightful email experience!