Frequently Asked Questions

SchabelTech's Pool Pebbles are better because of:

• Smoother/Rounded, not crushed pebbles
• Consistent gradation / sizing
• Washed, dried, demagnetized
• Conveniently packaged in easy to handle 50# bags
• Sizes: Standard and Mini.

• SchabelTech provides both roofing granules and pool pebbles.
• SchabelTech is a distributor of 3M™ #11 Classic Roofing Granules from Little Rock, Arkansas. 
• SchabelTech Granules ships roofing granules and pebbles from multiple locations to decrease transit times across the United States.

Natural Select roofing granules typically offer a price advantage over 3M™ granules.

3M™ #11 Grade Ceramic Coated Roofing granules have a variety of colors and have been used on commercial flat roofs across the United States since 1929. SchabelTech's Natural Select Roofing Granules are larger in size than 3M™'s Classic Roofing Granules and have two standard color options, Gold and Supreme White. 

Natural Select Granules come packaged in standard 50# bags, but only 3M™ 9300 White can readily come in 50# bags, the most common packaging for 3M™ granules is 2,200# Totes, or bulk bags.

Through SchabelTech, you can get both Natural Select and 3M™ Classic Roofing Granules, by the truckload or the pallet, with shipping arranged for you.

SchabelTech's Natural Select Roofing Granules are a high quality natural aggregate used for commercial roofing projects using Spray Polyurethane Foam (SPF). They are:

• Washed
• Dried
• Screened
• Demagnetized
• Packaged in 50# bags to be easier to handle by your crew
• 56 bags / pallet, optimizing your freight per pallet
• Conveniently sized in 610 (larger) or 816 (smaller)
• Colored: Gold/Buff/Rainbow or Supreme White 

• Mitigates Bird Pecking
• Improves Aesthetics
• Provides Texture / Traction for Walking and Safety
• Improves Impact / Abrasion Resistance
• Reduces Impact of Hail Damage

Here is a link to the SPFA (Spray Polyurethane Foam Alliance) very helpful glossary of terms for the Spray Polyurethane Foam Industry: https://www.sprayfoam.org/glossary

While each roof is different, contractors typically apply somewhere between 30 - 50# of granules per square for SPF roofs, with 40 pounds of roofing granules per square being the most common.

A Roofing Square is a common unit of measure for commercial roofing jobs. One roofing square is 100 square feet.