Level 4 Roof

As asphalt ages it becomes less pliable and more brittle.

Level 4 roof.

A single story house plan can be a one level house plan but not always. For example if the level is 4 above the roof at a point 12 away from where the level is touching the surface then the pitch is 4 12. However a story refers to a level that resides above ground. Class 4 roofing shingles do not necessarily feature a higher wind resistance.

Single story house plans sometimes referred to as one story house plans are perfect for homeowners who wish to age in place. These impact resistant beautiful shingles have been specially engineered to face some of the worst storms and extreme weather and still look their best. The class 4 shingles weather the storm with the added impact resistance these shingles offer a level of added protection that you will want for the life of your roof. Older class 4 roof systems can sustain damage from 2 1 2 stones.

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. A class 4 roof covering receives the highest premium credit. With a regular shingle most of our competitors impact resistant shingles are only class 3 cracks and ruptures will appear from that kind of impact. One roof has the same smog fighting potential as 2 or more trees assuming standard roof of 30 squares catch up more with smog reducing granules and other malarkey roofing news.

Lawrence berkeley national laboratory and 3m. Wind ratings are a separate classification. With class 4 shingles there are no splits or tears. The list of approved laboratories is shown below.

The main level basement and upper level. People often talk about class 4 roofing shingles and wind resistance together because high winds may cause debris to go airborne impacting roofs and causing damage.