the formation of bone; the development of the bones. osteogenesis imperfecta. an inherited condition marked by abnormally brittle bones that are subject to fracture. Affected lambs and calves are normal in appearance but are unable to stand. There is a defect in formation of bone matrix caused by a deficiency of procollagen N-peptidase.
Drywall Costs. Drywall prices tend to vary less than framing prices. A relatively simple drywall job with 1/2-inch domestic drywall in a low labor cost area will run about $1 per square foot of drywall (rather than per square foot of plan).The building codes in many areas require 5/8-inch drywall, which will increase both material costs and labor costs by 10 to 15 percent.ave. Frame and drywall costs vary regionally. Framing costs depend upon the overall design--single story, multistory, complexity of architectural design--and upon the framing specifications in building plans. Other factors will also affect cost.
Standard, smooth drywall ceilings are the easiest to install as well as the most common and preferred type, appropriate for all rooms of a home. They also generally have the lowest installation costs, ranging from around $1.60-$2.13 per square foot of installation. The most prominent factor affecting drywall installation costs is the bulk of the materials, which require several workers to safely maneuver and hang. The thickness of the drywall is also a factor.