Test methods for external fire exposure to roofs algolia-search-ignore 100° countersunk normal head

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these values are used to fit a regression line of y on x by the method of least squares

Test methods for external fire exposure to roofs algolia-search-ignore 100° countersunk normal head1 Scope This Technical Specification specifies four methods for determining the performance of roofs to external fire exposure. The four methods assess the performance of roofs under the following conditions: test 1 with burning brands; test 2 with burning brands and wind; test 3 with burning brands, wind and supplementary radiant heat; test 4 with two stages incorporating burning brands, wind and supplementary radiant heat. The tests assess the fire