William A. Radford · Radford Architectural Company · leaf 43
ork crudeoil often is used to grease the forms withbefore the concrete is placed. Soft soapand linseed oil also are employed for thispurpose. Not too much should be used,only enough to fill the grain of the wood. Proper Time to Move Forms. Manycontractors have adopted the following 44 CEMENT HOUSES… … Fig. 16—Simple method of constructing the forms for a foundation wall. Note the footing and the method of bracing the forms to prevent bulging. Thin walls—In summer, two days; incold weather, five days. Slabs up to six feet span—In summer,six days; in cold weather, two weeks. Beams and girders and…
