Fha Attic Ventilation Requirements

Result of item 3 2.

Fha attic ventilation requirements. Goal is to design an attic ventilation system that effectively compensates for the additional heat gain produced by the high levels of insulation. Ridge and soffit ventilation is. All appropriate approaches must be utilized when applicable. Attic and crawl space inspection requirements.

O low sloped shingle roofs 2 in 12 to 4 in 12. 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. Fha appraisers are required to observe the attic area.

Measure the length and width of the attic floor space to be ventilated. 170 roof sheath temperature 140 attic temperature 115 attic temperature 4 section 1 hows and whys of attic ventilation. At a minimum the appraiser must enter head and shoulders into the attic. 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.

It s the appraiser s job to look over the home make sure it meets fha standards and assign it a fair market value. When there is no safe access to the attic the appraiser is to note the inaccessibility in the appraisal report. Calculating attic ventilation requirements. Inspection the attic must be examined whether access is by pull down stairway or scuttle.

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. Change the square feet to square inches. Result of item 1 300.

Clarifying that fha requires an inspection. Divide the square inches by 2. Cost and income approach for value. 4 roofing underlayment felts.

Ventilation shall be provided concurrently with the. 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. Non perforated saturated felt or equal. Owens corning recommends a balanced ventilation system based on the u s.

In short effective attic ventilation also helps cool attic insulation. Calculate the square footage of the attic space. Divide the square footage item 1 by 300. Result of item 2 x 144.