House Roof Strength Test

3 tab architectural laminated and multilayered architectural.

House roof strength test. Supplemental notice of proposed rulemaking snprm. The three types of asphalt shingles we test are. The most common type are 3 tab shingles. Calculating the load on a flat roof is a challenging task for the layperson that involves knowledge of building materials their weights and local building codes.

49 cfr parts 571 and 585216 as part of a comprehensive plan for reducing the risk of rollover crashes and the risk of death and serious injury in those crashes this final rule upgrades the agency s safety standard on roof crush resistance in several ways. The standard test for tear strength is called the elmendorf test. Roof strength test overview roof strength evaluations consist of a quasi static test conducted on a vehicle s roof in a manner similar to tests used to judge compliance with federal motor vehicle safety standard 216 office of the federal register 2009. These single layer shingles are typically.

Subaru forester given top rating in iihs roof strength test. 4 of 12 small suvs evaluated earn top marks arlington va the insurance ins. Federal motor vehicle safety standards. This rating only applies to the specific seat head restraint combination tested indicated on the vehicle details page.

The roof strength rating is based on a test in which a metal plate is pushed against one side of the vehicle s roof at a slow constant speed. The head restraints seats rating is based on a sled test of the vehicle s seat and head restraint. E695 test method of measuring relative resistance of wall floor and roof construction to impact loading e2126 test methods for cyclic reversed load test for shear resistance of vertical elements of the lateral force resisting systems for buildings. Designed to help consumers pick vehicles that will help protect them in rollover crashes twelve small.

The main differences between the procedure specified by the insurance institute for. Nail pull through resistance is the measurement of the number of pounds required to pull a shingle over the head of a roofing nail at a specific temperature. Roof crush resistance 222 13 kb final rule.