Table 1.23 ,,,,,,,,,,
 NUMBER OF OCCUPIED HOUSING UNITS BY CONSTRUCTION MATERIALS  ,,,,,,,,,,
 OF THE ROOF AND OUTER WALLS  ,,,,,,,,,,
 2010 ,,,,,,,,,,
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,, Construction Materials of the Roof ,,,,,,,,
 Construction , Total ,,, Half ,,, Makeshift ,,,
 Materials , Number of , Galvanized , Tile/ , Galvanized ,, Cogon/ , Salvaged/ ,,,
 of the , Occupied , Iron/ , Concrete/ , Iron/Half- ,, Nipa/ , Improvised , Asbestos/ , Not ,
 Outer Walls , Housing Units , Aluminum , Clay Tile , Concrete , Wood , Anahaw , Materials , Others , Reported ,
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 Philippines ," 19,715,695 "," 10,066,730 "," 138,050 "," 689,226 "," 306,121 "," 3,315,374 "," 107,786 "," 57,300 "," 210,540 ",
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   Concrete/brick/stone   ," 9,005,345 "," 8,574,214 "," 218,852 "," 103,369 "," 15,663 "," 79,064 "," 2,151 "," 12,032 ", - ,
   Wood ," 3,564,960 "," 2,561,642 "," 10,884 "," 74,214 "," 209,943 "," 688,539 "," 12,478 "," 7,260 ", - ,
   Half concrete/brick/   ,,,,,,,,,,
      stone and half wood ," 3,155,293 "," 2,516,688 "," 20,774 "," 454,113 "," 23,230 "," 133,625 "," 3,310 "," 3,553 ", - ,
   Galvanized iron/ ,,,,,,,,,,
      aluminum ," 168,644 "," 147,031 "," 1,125 "," 11,040 "," 1,964 "," 6,892 ", 409 , 183 , - ,
   Bamboo/sawali/ ,,,,,,,,,,
      cogon/nipa ," 3,566,085 "," 1,462,617 ", - ," 46,112 "," 34,279 "," 1,990,959 "," 15,052 "," 17,058 ", - ,
   Asbestos ," 9,334 "," 7,419 ", 110 , 321 , 196 , - , - ," 1,288 ", - ,
   Glass ," 1,372 "," 1,096 ", 127 , 67 , 59 , - , - , 23 , - ,
   Makeshift/salvaged/ ,,,,,,,,,,
       improvised materials ," 132,340 "," 55,281 ", 2 ," 2,040 ", 973 ," 27,294 "," 46,185 ", 565 , - ,
   Others/not reported ," 107,295 "," 61,381 ", 301 ," 1,804 "," 1,249 "," 24,413 "," 6,193 "," 6,615 "," 5,339 ",
   No walls ," 5,027 "," 1,980 ", 29 , 123 , 294 ," 1,751 ", 374 , 451 , 25 ,
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 Source: National Statistics Office ,,,,,,,,,,
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