Rigid insulation can be installed on the interior surfaces of a ...

[xroflmao]

Rigid insulation can be installed on the interior surfaces of a foundation if the walls _____.
 
  a. are adequately waterproofed
  b. are poured concrete, not block
  c. have had furring strips applied
  d. have cured at least 72 hours

Question 2

Before a basement floor slab is poured, drainage to the perimeter drain should be ensured by installing a
  layer of coarse gravel with a depth of _____.
 
  a. 3
  b. 6
  c. 8
  d. 12

[maaaaaaaaaa]

Answer to Question 1

a

Answer to Question 2

b

[xroflmao]

TYSM

[aliotak]

Thanks for the timely response, appreciate it