Level 3 4 Roofing

Approved laboratory roof class location.

Level 3 4 roofing.

Roof coverings that have passed the ul standard 2218 test are classified as either class 1 2 3 or 4. Durecorder live scienceandsuperhero pvz game durecorder live please like dislike subscribe comment share this video instagram. 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. A class 4 rating the material should not get damaged when hit twice in the same spot by 2 inch diameter steel ball.

The list of approved laboratories is shown below. Class 4 roofing shingles are considered to be a premium product and therefore may cost more than standard non impact resistant shingles. They re slightly thicker and made to resemble more expensive wood shakes. Architectural shingles are a step up from 3 tab shingles.

4 3 8 black epoxy 51605 pkg. Level 3 nvq diploma in roofing occupations roof slater and tiler level 3 nvq diploma in roofing occupations thatching use the form at the top of the page and get a quote on the price of the roofing nvq. Roofing screw 28 special interest promotional items 35 roofing screws. Ul class 1 2 3 and 4 tx only ul and fm class 3 and 4 all other states.

A class 4 roof covering receives the highest premium credit. Roof coverings that have passed the ul standard 2218 test are classified by ul as either class 1 2 3 or 4. Low profile head reduces damage to installation and single ply membrane when attaching to steel or timber. However due to the various benefits of class 4 impact resistant shingles the extra cost upfront may be a worthwhile investment if you live in an area where hail and wind storms frequently occur.

This steel ball must hit the field area of the shingle two times and the edge of the shingles two times without damaging the mat to qualify for a particular class rating. Standard entry level 3 tab shingles are the cheapest and thinnest. A fiberglass mat has proven to be a more sustainable effective product. Class 1 would be the lowest tested rating.