The objective of insulation is to minimise radiant heat transfer and deliver a more comfortable climate inside the shed.
One of the most popular insulations today for Steel Sheds is the bubble wrap foil insulation or Polymer Foam types. This type of foil insulation is simple to install, effective and can be retrofit if you did not install it when the shed was built.
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When installing radiant barrier insulation it’s important to follow the manufacturers instructions. Whilst the thickness of the polymer foam or bubble wrap foil and the size of the bubble has a small influence on the effectiveness of the insulation what this product really requires is that it has an air space between the roofing/walling and the foil insulation.
This gap is usually a minimum of 40mm and vital in helping block the heat transfer from your cladding to your shed space by creating an air pocket or cell.
The high tech insulations work as radiant barriers (otherwise known as reflective technology). The function of ‘radiant barrier insulation’ is to form a shield that repels heat transfer indefinitely. ‘Radiant barrier insulation’ does not store unwanted heat within itself as it repels heat at all times and will keep your shed cooler in summer and warmer in winter by acting as a shield over your shed, especially if you insulate the walls.
With most insulations of this nature they need to be overlapped no less than 100mm or carefully butt joined with a quality foil tape. Most suppliers of insulation also have a compatible tape for their product.