Schist Rock Facts. Schist is a metamorphic rock that contains flakes of mica. Schist can originate as a sedimentary rock or igneous rock. It can contain different miners. Interesting Schist Rock Facts:Schist and slate are very similar in that they are made from the same rock types except schist is subjected to more heat and pressure.chist Rock Facts. Schist is a metamorphic rock that contains flakes of mica. Schist can originate as a sedimentary rock or igneous rock. It can contain different miners. Interesting Schist Rock Facts:
There are three types of insulation solution if you have a flat roof: 1  Warm deck or warm roof refers to a situation where the 'deck' of the roof, which is usually made of wood, is below the insulation. 2  Cold deck or cold roof is where the insulation is below the roof deck (and the associated joists).
Sisalation insulation is a key component of any roof space. It is manufactured in 3 specific gradings, light, medium and heavy duty.The job specification will determine the duty because some difficult jobs may require a more durable foil. The reflective properties of each duty are exactly the same.isalation Insulation Benefits. Typically used under metal roofs and bonded to an insulation blanket for commercial and retail applications, Sisalation is also widely found under tiled roofs in residential applications.