Frame Ceilings and Roofs
Any ceiling below an unheated space should be insulated with materials having a rating of R-19 or better. The ceilings should have
Table 3-6 Slab Edge Heat Loss
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Courtesy Electric Energy Association |
Figure 3-24 Ceiling and roof frame construction. |
A maximum U-value of 0.05. Some methods for providing such insulation are the following:
1. Staple blankets or batts to the joists before the finished ceiling is applied (Figure 3-24).
2. Blow or manually apply loose insulation between ceiling joists from above.
3. Spray on insulation between the joists from above.
Posted in Audel HVAC Fundamentals Volume 1 Heating Systems, Furnaces, and Boilers