Half a gallon of wood glue, a pile of random, scattered resistors, or in [Ken]’s case, closed-cell silicone foam. Wanting to avoid this situation he set about trying to make his own silicone ...

Do I buy open-cell or closed-cell? Yes, there are two different types of spray foam, and they have two very different ...

Half a gallon of wood glue, a pile of random, scattered resistors, or in [Ken]’s case, closed-cell silicone foam. Wanting to avoid this situation he set about trying to make his own silicone ...

Open-cell spray foam insulation usually costs between $0.44 and $0.75 per board foot. It’s full of cells that aren’t entirely encapsulated, or closed, which allows air to fill spaces in the ...