Make allowances for waste. 2. Select the Right Sheet Type: Once the measurements are complete, the next step is to select the type of roofing sheet that best suits your needs. Corrugated steel, ...

Asphalt saturated shingles: include all shingles produced on the shingle machine. Smooth surfaced organic felt roll roofings: include all smooth roofings as produced on the roofing machine and all ...

But, asphalt isn’t going anywhere; in fact, the market is growing, likely to surpass $9.5 billion in size by 2025. So, for now, circular shingles are the way to make the most difference.