| OCR Text |
Show Concrete Lumber Used in inFireproof inFireproof Fireproof Constmction Construction ConstructionWashington Const ! uction . Concretelumber Washington . - Concrete lumber usedfor is now being bemg used for fireproof construction , re- re reports reports re reports - - ports theUnited Oliver Ohver Bowles of the United States bureau ofmmes ofmines of mmes mines here mineshere mmeshere . One inch mch thick boards are coated coatedwIth coatedwith coatedwith wIth firmly bonded concrete . It is isused isused isused used for tor ceilings ceIlmgs , . floors , roofs and andpartitions andpartitions andpartitions partitions When applied appl1ed to a steel steelframe frame a typical typlcal American Amerlcan frame framehouse house may be constructed of ot fire fire- fireproof fireproof . - proof materials . , T r |
