. School buildings, school grounds, and their improvement. Kansas, 1911. eel nails are eaten awayin two years by the acid in the cedar. Dipping shingles is at all timesadvisable in preference to painting them, and is of small cost. 86 State Superintendent of Public Instruction. Deadening of floors is not necessary in one-story houses, unless thebasement is used for class or study rooms. The only efficient deadeningthat I have found is made by first covering the joists with a floor ofsurfaced sheathing, then covering that with a blanket of degummed flaxfiber, Acme hair insulator or seaweed as a
. School buildings, school grounds, and their improvement. Kansas, 1911. eel nails are eaten awayin two years by the acid in the cedar. Dipping shingles is at all timesadvisable in preference to painting them, and is of small cost. 86 State Superintendent of Public Instruction. Deadening of floors is not necessary in one-story houses, unless thebasement is used for class or study rooms. The only efficient deadeningthat I have found is made by first covering the joists with a floor ofsurfaced sheathing, then covering that with a blanket of degummed flaxfiber, Acme hair insulator or seaweed as a sound absorbent; on this laystrips of lith board, one-half inch thick and four inches wide, placed six-teen inches apart on centers; on these lay strips of wood, 2x2 inches,without nailing, and on these lay the finished flooring. Care must betaken to not nail anything through into the rough flooring, as the vi-bration is carried through and the deadening effect is lost. This methodof deadening costs about thirty dollars per room of the ordinary size. .MY: .A i .-?,. Thi\<< PsOom jsboa/ Ventilating ducts should be lined with tin, to make them air-tight, andwhere possible should be connected together in the attic into a receivingchamber, from which the ventilator should go out. Valve registers shouldbe used at the foul-air inlet, so that the escape can be controlled inwindy weather. Otherwise the loss of heat will be to great. Floors are better made of edge-grained yellow pine, smoothed off, andgiven two coats of strictly pure boiled linseed oil. This will give bettersatisfaction than any prepared floor dressing. It will turn dark by re-peated use, but can be removed every three or four years with stronglye or Gold Dust, after which new coating can be applied. It is not nec-essary to put a wainscot on the walls, or a wood base. Instead of either,run a 1%-inch quarter-round at the bottom of the wall, and nail to thefloor. If desired, a Portland cement base can be run on the
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