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Organization (Tables)
 12 Months Ended
Dec. 31, 2017
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Summary of Percentage of Net Revenue by Product Category

The following table sets forth the percentage of our net revenue by product category:

 

     Years ended December 31,  
     2017     2016     2015  

Insulation

      67 %      77 %      78 % 

Waterproofing

      8       2       2  

Shower doors, shelving and mirrors

      7       5       5  

Garage doors

      5       6       6  

Rain gutters

      4       4       5  

Other building products

      9       6       4  
  

 

 

    

 

 

    

 

 

  
     100 %      100 %      100 %