BS FIXINGS THINGS TO KNOW BEFORE YOU BUY

Our house loses 25% of heat with the roof, 35% throughout the partitions, 15% in the ground, and rest by way of windows and gaps throughout the doorways. To build a much better thermal envelope, all you must do is look at the next law of thermodynamics.Mini-Cupped Weld Pins: These insulation pins really weld on the sheet steel duct and The top on