Helping The others Realize The Advantages Of fire rated secondary glazing
Spacer: This separates The 2 panes of glass which is filled with desiccants to soak up dampness in the cavity.It is this gap that provides the insulation. It slows down thermal transfer (hot or cold) by conduction and since air won't be able to circulate freely from the slim hole among the panes convection is additionally slowed down additional cut