Fha Attic Ventilation Requirements

170 roof sheath temperature 140 attic temperature 115 attic temperature 4 section 1 hows and whys of attic ventilation.

Fha attic ventilation requirements.

One frequently asked question about the fha loan process is related to fha appraisals and the minimum requirements for the roof of the home. It s the appraiser s job to look over the home make sure it meets fha standards and assign it a fair market value. O roofing underlayment felts applied to a minimum. Result of item 2 x 144.

Divide the square inches by 2. In short effective attic ventilation also helps cool attic insulation. The attic must be entered at a minimum by head and shoulders whether access is by pull down stairway or scuttle. Cost and income approach for value.

Fha appraisers are required to observe the attic area. Calculate the square footage of the attic space. Attic and crawl space inspection requirements. Calculating attic ventilation requirements.

Inspection the attic must be examined whether access is by pull down stairway or scuttle. Divide the square footage item 1 by 300. 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. Change the square feet to square inches.

General acceptance criteria property eligibility and non residential use of property. Result of item 1 300. Ventilation shall be provided concurrently with the. 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 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. Owens corning recommends a balanced ventilation system based on the u s. Ridge and soffit ventilation is.

At a minimum the appraiser must enter head and shoulders into the attic. 4 roofing underlayment felts. Ensuring that mixed use properties comply with zoning. Result of item 3 2.

Sloped roof of 4 in l2 shall be 15 pound asphalt. 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. When there is no safe access to the attic the appraiser is to note the inaccessibility in the appraisal report. Clarifying that fha requires an inspection.