OCR Text |
Show Sinillt recommends very highly tho use of aawdii3t in mortar as superior oven to hair in preventing the cracking crack-ing and peeling oil of rough casting under the action of storai3 and frost His own house, exposed to prolonged storms on the seacoast, had patches of mortar to be renewed each spring, and alter trying without ell'-et a mini' ber of substances to prevent it, he found sawdust perfectly satisfactory. It was firs', thoroughly dried aud silted through an ordinary ir.iiu si-ve to remove the larger particles. The m-jrtar was made by mixing one part of cement, two of ' lime, two ol sawdust and five ol sharp sand, thP sawdust being first well rmxed dry witli the cement and sand. |