Explain how to determine the R-value of your home’s present attic insulation.

What will be an ideal response?


To determine the R-value of your home’s present attic insulation, measure the thickness of the insulation and note
the type of insulation you have. Refer to the table to determine the R-value for the type of insulation in your attic
and multiply the per-inch R-value by the number of inches of insulation presently installed. Add to the insulation
figure the R-value of the sheathing material that encloses the insulation, but only for the thickness installed.

Trades & Technology

You might also like to view...

______________ are devices that can store electrical energy, similar to a battery.

a. Relays b. Motors c. Transformers d. Capacitors

Trades & Technology

____ are used extensively for fastening gypsum board to walls and ceilings with screws.

a.Screwguns b.Caulking guns c.Blowguns d.Heat guns

Trades & Technology

What part of the leaf cell contains chlorophyll and carries out photosynthesis?

a. mesophyll c. petiole b. epidermis d. chloroplast

Trades & Technology

When nonmetallic device boxes that are 2-gang or more are used, the installed Type NM cable must be secured no more than __________ inches from the box.

a. 8 b. 10 c. 12 d. 18

Trades & Technology