National Geographic : 1929 Mar
To be truly modern-Heating Equipment must include this Heat Saver Balsam-Wool is a guar anteed Weyerhaeuser product - a blanket of fuffy wood fibre that looks andactslikesheep's wool. It is TRUE Insu lation-keeping the house warm in winter and cool in summer-be cause it is FLEXIBLE-THICK EFFICIENT WINDPROOF WATERPROOF FIRE RESISTANT VERMIN PROOF LIGHT WEIGHT PERMANENT W ILL you put a good boiler and good radiators into that house you are building or re-modeling-and stop there - losing a third or more of the costly heat by leakage through the walls and roof? Or will you make your heating equip ment complete-and your home really modern-with a thick flexible blanket of Balsam-Wool? Balsam-Wool is an essential part of mod ern heating equipment. Soft and effective as sheep's wool, it lines the roof and walls, tucks into every nook and cranny - keeps costly heat indoors where it belongs. Balsam - Wool will cost you almost nothing. The saving you make by in stalling a smaller boiler and smaller radiators pays all or at least a large part of its cost. The fuel you save ever after is clear gain. Whether you are building a new house -or would like to make your present one more modem and livable - you should know more about Balsam-Wool. It is sold through lumber dealers. Send the coupon for free sample and instruc tive free booklet. WOOD CONVERSION COMPANY CLOQUET, MINNESOTA Makers of Balsam-Wool,the Flexible Insulat ing Blanket. Also Makers of Nu-Wood-the All Wood InsulatingWall Board and Lath Sales Offices in Principal Cities WOOD CONVERSION COMPANY M-9B Dept. 85. Cloquet, Minnesota Gentlemen: Please send free sample of Balsam-Wool and booklet "House Comfort that Pays for Itself." I am interested in insulation or O A new house ] The attic of my present one Name------------------ .. . Address ----------------- City------------------ State--.........