21. To help keep the mildew away, ventilate the attic more by installing vents. 22. Ventilate the attic . . . 23. You may not need one if your attic is properly ventilated, but you do if it is not. |
21. To help keep the mildew away, ventilate the attic more by installing vents. 22. Ventilate the attic . . . 23. You may not need one if your attic is properly ventilated, but you do if it is not. |