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).
Cold flat roof insulation. Lots of traditional flat roofs are of the âcold roofâ construction type. This means there is a vapour control layer in the ceiling and cross ventilation at the eaves or the top of the walls.This may help with condensation, but causes such a loss of heat that it has been banned in Scotland.ots of traditional flat roofs are of the âcold roofâ construction type. This means there is a vapour control layer in the ceiling and cross ventilation at the eaves or the top of the walls. This may help with condensation, but causes such a loss of heat that it has been banned in Scotland.