Show insulation saves coal adds comfort in summer thousands of homes throughout the united states prove needlessly uncomfortable for table in summer and costly to maintain in winter because the builders bull derx in trying to economize have ignored ono one essential item of proper construction the unseen but very important insulation between the walls G W alder aider construction expert makes this warning observation lor for the benefit of home owners in an article published in home and field I 1 magazine in id many homes from one third to one half of the heat supplied in winter escapes through the roof and walls especially the former it la Is estimated ti and tho the seme same houses in summer sumal er permit the suns rays raya to penetrate until the heat inside la Is many de grees higher than it need be in coal bills alffie such a house gosts costs more than the price of effective Insulat insulation ibn within a few winters mr alder points out 11 he advises using any of the tar lar insulating materials as sheathing between inside and outside walls in homes under construction the tha insulating board type of material and tile tha quilted kind ednd are perhaps most effective but the defect t of the improperly insulated house cun can also bo be remedied by use of a loose bulk insulating material which Is injected between the walls by menris means of an air hose especial attention should be paid to walls exposed to the cold i winds says the homo home field elpe expert rt wind VInd has much to do with the rate into of heat beat loss and andia if th there erets Is an exposed north wall additional insulation should to be considered for it the roof Is particularly important Imp ortanS ip in some cases the heat loss from the root roof may exceed the loss from any wall or in exceptional c cases a ses from all the walls twice the amount of insulation put into the walls Is frequently advisable for the roof |