Level 4 Roof

On the roof hold the level perfectly level and measure the height from the roof to the level 12 inches away from where the level touches the surface this will be the rise.

Level 4 roof.

With class 4 shingles there are no splits or tears. The main level basement and upper level. Wind ratings are a separate classification. A single story house plan can be a one level house plan but not always.

Older class 4 roof systems can sustain damage from 2 1 2 stones. Class 4 roofing shingles do not necessarily feature a higher wind resistance. 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. However a story refers to a level that resides above ground.

These impact resistant beautiful shingles have been specially engineered to face some of the worst storms and extreme weather and still look their best. 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. Lawrence berkeley national laboratory and 3m. A class 4 roof covering receives the highest premium credit.

As asphalt ages it becomes less pliable and more brittle. 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. 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. The list of approved laboratories is shown below.

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. 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.