Level 3 Or 4 Metal Roof

Summarizing the result we would be looking at for a class 3 roof is earned if the sample does not crack when hit twice in the same spot by a 1 75 inch diameter steel ball.

Level 3 or 4 metal roof.

However nobody seems to agree on what the new code requires as far as bringing the 1950 s house up to current code. We will have to remove the roof down to roof joists on a flat roof 100 of the house. A class 4 rating the material should not get damaged when hit twice in the same spot by 2 inch diameter steel ball. Roof coverings that have passed the ul standard 2218 test are classified by ul as either class 1 2 3 or 4.

Type of assessment credits. The hail standard ul 2218 essentially encompasses four different sized metal balls being dropped from different heights to simulate hail more or less. In some states provinces use of qualifying impact resistant roofing products may qualify for significant premium discounts. Hurricane strap joists throughout gut interior.

Premium reductions are not available for roofs other than qualifying metal roofs which have been overlaid onto existing roofs. Insurers often factor the type of roof and quality of material into their rebuild costs. Effects of aging on a class 4 roof. Ul developed a test to rate the strength of roofing materials called the ul 2218 impact rating which is the test that determines if a roofing material is class 1 2 3 or 4.

Standard entry level 3 tab shingles are the cheapest and thinnest. Architectural shingles are a. Roof coverings that have passed the ul standard 2218 test are classified as either class 1 2 3 or 4. Roof coverings must be tested and approved by underwriters laboratories ul or factory mutual fm and be rated as a class 1 2 3 or 4.

Credit based qualification this is categorisation to help define qualification attributes e g. 88 credits are a measure of the size of the qualification. Roof type and material. Level 2 nvq diploma in roofing occupations construction roof slater and tiler.

As a result it no longer has the ability to transfer impact energy and the mat is damaged and or punctures occur to this system. An engineers review and the building official finally agree that this is a level 3 alteration. Class 4 roof covering is the most impact resistant roof and receives the highest premium discount. 600 7862 5 this is a reference number related to uk accreditation framework type.

The list of approved laboratories is shown below. A metal roof can last 50 years while slate roofs can last more than 100 with diligent upkeep. Older class 4 roof systems can sustain damage from 2 1 2 stones. Home insurance discounts are currently available in the following states and provinces.

Roofs made of slate tile concrete shingles or metal offer the best protection but also cost the most to replace.