. Increasing efficiency and decreasing cost in school house construction with keystone gypsum blocks. es are willing tosacrifice other features in their public schools, and payincreased taxes, in order to insure the safety of theirchildren during school hours. But there are cases, nevertheless, where the lackof funds compels the use of non-fireproof construction,and in spite of the architects convictions, he is forcedto design his building to come within the availablemoney. Actual fires have shown that the greatest elementof danger in a non-fireproof building is the wood-stud-and-lath partitio


. Increasing efficiency and decreasing cost in school house construction with keystone gypsum blocks. es are willing tosacrifice other features in their public schools, and payincreased taxes, in order to insure the safety of theirchildren during school hours. But there are cases, nevertheless, where the lackof funds compels the use of non-fireproof construction,and in spite of the architects convictions, he is forcedto design his building to come within the availablemoney. Actual fires have shown that the greatest elementof danger in a non-fireproof building is the wood-stud-and-lath partitions. The surfaces of the heavy floorsand plastered ceilings will resist the attack of flamesfor a considerable time, as there are no angles to startthe combustion; but in the angle of the floor and ceil-ing with the partition, the fire finds the vulnerable pointto attack. As soon as the flames penetrate the jointbetween the floor and baseboard, the air-space be-tween the lath forming the partition acts as a flue, suck-ing the fire up through the partitions, and causing it to > a o oo w. Z n n n. i4 PARTITIONS mushroom out above the plastered ceiling and attackthe floor joists above. Hence the usual newspaperaccounts of fires that enveloped the entire buildingin flames five minutes after the smoke was first discov-ered. It is impossible to underestimate the value offireproof floor construction; but when its cost is pro-hibitive, the building can be made slow-burning, andpractically fireproof, by the use of KEYSTONEGYPSUM BLOCK PARTITIONS. The extremelightness of these blocks permit their use on woodfloors without overloading, and while their cost, aftertaking the saving in plastering into consideration, isabout 15% greater than wood stud partitions, this is inmost cases more than offset by the economy in the useof KEYSTONE FLUE BLOCKS. There are three questions that must be conclus-ivelv answered regarding any partition material as aprecedent to its consideration for school ho


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Keywords: ., book, bookcentury1900, bookdecade1910, booksubjectschoolbuildings