Architect and engineer . KESIDENCE. STOCKTON. CALn-ORNIA. LOSEKANN & CLOWDSLEY. ARCHITECTSShowing Back Plaster Between Studs of Extei-ior Wall. Sample 2—Poitland Cement Stucco on pound Diamond MeshMetal Lath furred out over % in. sheathing, nailed to 2x 1 studs. Insideplaster on pound Diamond Mesh Metal Lath. Sample 3—Back plastered construction using Portland Cement forexterior stucco and Gypsum plaster on metal lath for interior wall. The samples were standard constiuction by ordinary mechanics,sizes 42x42 inches, and were tested in an Olson machine with the directpressure on opposit
Architect and engineer . KESIDENCE. STOCKTON. CALn-ORNIA. LOSEKANN & CLOWDSLEY. ARCHITECTSShowing Back Plaster Between Studs of Extei-ior Wall. Sample 2—Poitland Cement Stucco on pound Diamond MeshMetal Lath furred out over % in. sheathing, nailed to 2x 1 studs. Insideplaster on pound Diamond Mesh Metal Lath. Sample 3—Back plastered construction using Portland Cement forexterior stucco and Gypsum plaster on metal lath for interior wall. The samples were standard constiuction by ordinary mechanics,sizes 42x42 inches, and were tested in an Olson machine with the directpressure on opposite corners, simulating diagonal sti-esses due to wind,earthquake or settlement, and were under a steady pressure. The final 94 THE ARCHITECT AND ENGINEER. Metliod of TestinK Back Plastered Slab byArmour Institute. Chicago. Te:^t Conducted by Armour Institute, showiny: superiority ofMetal Lath over other forms of construction. crushing strength of the three samples was—hollow building tile, 9600pounds; metal lath over wood sheathing, 10,000 pounds; back plasteredmetal lath construction, 14,200 pounds. A test very similar to the one conducted at Armour Institute wasrecently completed at Omaha before the Building Committee of that investigations again proved the great resistance of back plasteredconstruction to distortion. Where wood sheathing, lath and cementstucco showed cracks at 2100 pounds pressure, the txick plastered metallath sample showed no cracks at 3500 pounds, the limit of the at 2100 pounds for the back plastered construction was 3-16inches whereas for the sheathed construction it was V^ inches. Metal lath as a base for cement stucco construction needs no intro-duction. Its usefulness as a fire
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