Edco (shown in the photo) and Tamko both make interlocking metal roofing panels that you can install with clips and roofing nails. The systems have specially designed starter strips, valleys ...

While the structural components are manufactured in the United States, the imported wood will still be hit with the tariffs.

The oil needed to make asphalt shingles comes from Canada, as American oil is just too rich. TAMKO can't get the oil anywhere else, Hartnett said. TAMKO could eat the cost, or it could raise prices.

For asphalt shingle producer TAMKO, the answer is that tariffs are going to hurt consumers. TAMKO's Stephen Hartnett was selling asphalt shingles on the basis that they're so sturdy, even most ...