Fha Attic Ventilation Requirements

Calculate the square footage of the attic space.

Fha attic ventilation requirements. Result of item 2 x 144. Calculating attic ventilation requirements. Result of item 3 2. Divide the square footage item 1 by 300.

Fha appraisers are required to observe the attic area. In short effective attic ventilation also helps cool attic insulation. 4 roofing underlayment felts. General acceptance criteria property eligibility and non residential use of property.

Regarding attic ventilation nrca recommends designers provide at least 1 square foot of nfva for every 150 square feet of attic space 1 150 ventilation ratio measured at the attic floor level ceiling. One frequently asked question about the fha loan process is related to fha appraisals and the minimum requirements for the roof of the home. Owens corning recommends a balanced ventilation system based on the u s. O low sloped shingle roofs 2 in 12 to 4 in 12.

Change the square feet to square inches. Clarifying that fha requires an inspection. At a minimum the appraiser must enter head and shoulders into the attic. 170 roof sheath temperature 140 attic temperature 115 attic temperature 4 section 1 hows and whys of attic ventilation.

Divide the square inches by 2. For large volume attics such as where roof slopes are greater than 8 12 designers also should consider increasing the amount of attic ventilation to account for the additional. Goal is to design an attic ventilation system that effectively compensates for the additional heat gain produced by the high levels of insulation. All appropriate approaches must be utilized when applicable.

The attic must be entered at a minimum by head and shoulders whether access is by pull down stairway or scuttle. O roofing underlayment felts applied to a minimum. Ventilation shall be provided concurrently with the. Cost and income approach for value.

When there is no safe access to the attic the appraiser is to note the inaccessibility in the appraisal report. Attic and crawl space inspection requirements. Measure the length and width of the attic floor space to be ventilated. Sloped roof of 4 in l2 shall be 15 pound asphalt.

Result of item 1 300. The appraiser must enter the attic and observe the interior roof structure and attic for evidence of leaks water damage structural problems previous fire damage frt sheathing exposed and frayed wiring deficient materials deficient insulation and adequate ventilation by vent fan or window. Ensuring that mixed use properties comply with zoning. Inspection the attic must be examined whether access is by pull down stairway or scuttle.