Steel Roof and Residence Ventilation
https://extra-wiki.win/index.php/Select_the_Right_Underlayment_Material_for_Your_Steel_Roof_ProjectEnglert,_Inc
We have a 1890's residence with a combination Mansard style roofing system and also standard sloped roof. We are selecting a mix roof (Malarkey Windsor Shingles on Mansard and standing joint on slope) on the substitute.