Show i Making Wood Fire Resisting Keeping wood wet Injecting certain t chemicals and coating with suitable t paints are the three methods method of In In- Ini Int i t t creasing resistance to fire that have d the United States forest forestI 4 been tested at 4 products laboratory Though not the I most roost effective painting Is the cheapest cheap cheap- ost est Bt and most practicable treatment for forwood forwood j wood In Ir small amount Ordinary calcimine calcimine cal cal- 1 cimine or whitewash proves to be as asS S i resistant to fire as any paint It Is cheap and convenient eon to use and while It does not prevent burning at high temperature It lessens the risk of f. f spreading a blaze blare from burning I sparks and matches A paint O of linseed oil zinc borate horat and chrome chrome has been tried for outdoor outdoor outdoor out out- gre green n which door use retained Its resisting fire properties during more than three years year of exposure to the weather |