OCR Text |
Show Paints Retard Fire, but Give Little Protection From tests made at the bureau of standards it appears that while prac-, prac-, tienlly all paint coatings have some ' tire-retarding action, none of those ; so far tested affords great protection. 1 All the samples in question were materially ma-terially damaged by application of flame for a few seconds. Both sodium salieylnte and whitewash rank comparatively com-paratively high. These have the ad-i ad-i vantage of cheapness and can both be I used on the same surface. However, according to a recent bulletin of the hurciui, no treatment of wood after erection can be expected to serve as an effective fire protection, and the use of such materials should not be made an excuse for omitting any of the usual precautions against fire. |