Wall Heat Shield for flat wall stove installations. Made of 20gauge steel, these heat shields will enable you to put your stove and chimney pipe closer to your wall or corner during your installation. Clearance to combustibles 8” away from wall. Flat wall pieces are 47” long and 14” wide overall. If you need more than 4 ft of shield, order a “narrow” and a “wide” shield. These pieces are made to fit together with minimal gaps for a smooth looking installation. Available in Black or Stainless Steel.