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Revenue Recognition - Summary of Revenues Disaggregated by End Market and Product (Detail) - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2018 | Mar. 31, 2017
Disaggregation of Revenue [Line Items] |  |
Net revenues | $ 301,728 | $ 255,669
Revenue [Member] | Customer Concentration Risk [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Percentage of Net revenues | 100.00% | 100.00%
Insulation [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net revenues | $ 202,275 | $ 175,623
Insulation [Member] | Revenue [Member] | Customer Concentration Risk [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Percentage of Net revenues | 67.00% | 69.00%
Waterproofing [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net revenues | $ 22,606 | $ 21,005
Waterproofing [Member] | Revenue [Member] | Customer Concentration Risk [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Percentage of Net revenues | 7.00% | 8.00%
Shower Doors, Shelving and Mirrors [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net revenues | $ 20,260 | $ 12,885
Shower Doors, Shelving and Mirrors [Member] | Revenue [Member] | Customer Concentration Risk [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Percentage of Net revenues | 7.00% | 5.00%
Garage Doors [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net revenues | $ 15,466 | $ 14,287
Garage Doors [Member] | Revenue [Member] | Customer Concentration Risk [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Percentage of Net revenues | 5.00% | 6.00%
Rain Gutters [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net revenues | $ 8,658 | $ 8,442
Rain Gutters [Member] | Revenue [Member] | Customer Concentration Risk [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Percentage of Net revenues | 3.00% | 3.00%
Other Building Products [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net revenues | $ 32,463 | $ 23,427
Other Building Products [Member] | Revenue [Member] | Customer Concentration Risk [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Percentage of Net revenues | 11.00% | 9.00%
Residential and Multi-family [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net revenues | $ 250,114 | $ 209,391
Residential and Multi-family [Member] | Revenue [Member] | Customer Concentration Risk [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Percentage of Net revenues | 83.00% | 82.00%
Commercial [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net revenues | $ 51,614 | $ 46,278
Commercial [Member] | Revenue [Member] | Customer Concentration Risk [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Percentage of Net revenues | 17.00% | 18.00%

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