As long as you do NOT compress the insulation. If your wanting the area for storage your R-value (insulating value) will only be as good as the depth of the rafter you are covering.
The thin set you should use over plywood is called Durabond. Durabond is a water-based coating that dries to a hard, durable finish. It can be applied directly to new or old drywall and will not cause any harm if it comes in contact with insulation.
The best method for sealing a plywood floor to protect it from moisture and wear is to use a plywood floor sealer. This sealer should be applied according to the manufacturer's instructions, ensuring that the entire surface is covered evenly. This will create a protective barrier that helps prevent moisture damage and wear, extending the life of the plywood floor.
Refrigerated food should be covered to keep it from drying out and to keep odors from mingling in the fridge. Only if you want the food to dry out (like aging beef) should it be uncovered. Food in a pantry or cupboard should be covered to keep out dust or insects.
A screened vent, overflow pipe and insulation.
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In an event of a basement flood, one should notify their agency if the damage is covered. One should also remove and replace damaged drywall, insulation, mechanical fixtures, and electrical material.
Perennials that are sensitive to frost should be covered to protect them from freezing temperatures. Examples include tender perennials like begonias, impatiens, and fuchsias. Covering them with a fabric or light sheet can provide insulation and protect them from damage.
For a subfloor, typically 3/4 inch thick plywood is recommended for stability and durability.
For optimal support and durability, the plywood under a mattress should be at least 3/4 inch thick.
A dado in 3/4 plywood should be approximately 1/4 to 1/3 of the thickness of the plywood for a secure and precise fit in the intended project.
For 1/2 inch plywood, you should use 1 inch pocket hole screws.
Attic insulation plays an important role in balancing temperature in extreme hot and cold months. It not only maintains a constant temperature in the indoor environment but also provides us some extra storage space.