| While it is important to look at Insulation bulk, and | | | | thermal break is very simple. It is basically a |
| R values, there is an often overlooked little detail | | | | composite material, about 3/8 of an inch thick, |
| that can save you a huge amount, for a tiny | | | | that is a heavy duty, but inexpensive insulator. It |
| additional outlay. That option is a simple thermal | | | | comes with countersunk screw holes, and teck |
| break along the Roof perlins. | | | | screws to secure to the outside face of the |
| The largest source of heat loss in a steel building | | | | perlins. When installed, it brings your roof insulation |
| is from convection. The heat loss occurs through | | | | up to it's full theoretical value, at a cost of a few |
| the roof perlins, which are typically exposed, or | | | | cents per square ft. of building. |
| lightly insulated on the interior of the building. Being | | | | The benefits of a thermal break are many, firstly |
| steel, the perlin carries the heat right through the | | | | it will help reduce your conductive heat loss by as |
| Insulation barrier to the roof cladding, where the | | | | much as 40% in the most extreme conditions. |
| heat is dissipated to the outside air. Because the | | | | When mounted to your steel buildings structure |
| roof insulation is compressed between the roof | | | | will also significantly reduce the winter ice buildup |
| cladding, and the perlin, there is a minimal thermal | | | | on your roof and gutters. In addition it will also |
| break at this point. | | | | help to meet LEEDS certification and save |
| The solution is to purchase a proper thermal | | | | thousands of dollars per year, for an initial outlay |
| barrier, or thermal break, and install it when | | | | of only hundreds. |
| erecting the building. A manufacturer supplied | | | | |