Sandura® Wallaba Shingles are sold by the bundle. 1 Bundle:  •Roofing Coverage based on 5.5" Exposure is 8.1 square feet or .081 roofing square •Wall Coverage based on 6" Exposure is 13.56 square feet 1 Roofing Square = 13 Bundles •Roofing Coverage based on 5.5" Exposure is 100 square feet or 1 roofing square •Wall Coverage based on 6" Exposure is 108.5 square feet 1 Pallet = 35 Bundles •Roofing Coverage based on 5.5" Exposure is 283.5 square feet or 2.835 roofing squares •Wall Coverage based on 6" Exposure is 322.782 square feet RFSQ stands for Roofing Square which is equal to 100 square feet. Defects in Competing Imitators BE EXTREMELY CAUTIOUS OF CHEAP WALLABA SHINGLES BEING OFFERED FOR SALE THERE ARE SOME IMPORTANT FACTORS TO CONSIDER ABOUT THE GRADE OF SHINGLES WHICH CAN CAUSE YOUR ROOF TO LEAK It is important to understand the grade defects in Wallaba shingles or wood shingles in general. If defective shingles are installed on roofs it can lead to leaks within months or even a few years after installation. Sandura® Wallaba Shingles represent only Premium Grade Wallaba Shingles. Wood is a natural product which has inherent defects in the tree. After the tree is cut, the log is converted to shingles. During the conversion process from logs to shingles there are many defects within the log which can become part of the finished product. Many architects, contractors, installers and home owners may not be familiar with such defects which can compromise the integrity of the roof.     Wallaba Cedar Hardness 2,050 lb 350 lb Crushing Strength 11,210 lb/in 4,700 lb/in Maintenance No oiling required Oil every 5 years Wind Resistance High Low Hail Resistance High Low Rot Resistance High Low Cup Resistance High due to quartersawn grain Low due to plainsawn grain Flame Spread Class A Class B Wallaba Shingles Bundle Specs: 15mm Thick: Sandura® Wallaba Shingles - Taper Sawn Clear, Heartwood, Mostly Quarter Sawn & Rift Sawn Grain, 15mm thick, 18" length, 3.5-9" width (1 bundle)