Show roofs flading having read the inquiries of a correspondent and the remarks of tho the editor upon the subject I 1 offer joehow to show mine opinion within two tn 0 vears years I 1 have llave re shingled two garns barns and seve several rai ral ehens and out buildings and ilava have used for the purpose both hemlock hind and chestnut half inch boards cut two feet in length and laid eleven inches to the weather unseasoned and add fastened with sixpenny nails instead of lading by line hue I 1 use usa straight edged boards eleven inches wide and extending the length of the roof these thesa are kept in place by means of a quarter inch bit and spikes two to each board and the holes are afterwards plugged with a broom and thick whitewash in which salt forms an important ingredient gridi ent that part of the shingles which lies above the board is saturated this course is followed with each successive layer of shingles until the tha roof rooi is completed when the whole surface should be brushed over beginning at the top if the above method is adopted there is no danger of tuo tup evil i il consequences which attend painted aln roofs I 1 see not why the same method method will not be of equal advantage where the ordinary oid inary shaved or sawed shingles are used I 1 the advantages of whitewashing ara are I 1 it prevents checking 3 2 it prevents the rot in the part which Is is not exposed to sight and 3 it prevents the growth of moss on the sur face I 1 was led to adopt the use of whitewash fo for r the above purpose br by hearing an old mason masons s say y that where lime mortar had on the topping lopping out a chamne chimney y he had found fou nd the shingles that had been thus spattered remaining re in aiudi sound bound when the rest of the roof was d decayed er ayed it is ia known that in england timber that lat is is tobe to be exposed to the M weather is first saturated in in iline lime vat vatz new england farmer v |