SEGMENT INFORMATION

The Company is organized into three reportable segments on the basis of the production process and products and services provided by each segment, identified as follows:


(i)	Residential Products, which primarily includes roof and foundation ventilation products, centralized mail systems and electronic package solutions, rain dispersion products and roofing accessories;


(ii)	Industrial and Infrastructure Products, which primarily includes expanded and perforated metal, expansion joints, structural bearings and perimeter security; and


(iii)	Renewable Energy and Conservation, which primarily includes designing, engineering, manufacturing and installation of solar racking systems and greenhouse structures.

When determining the reportable segments, the Company aggregated operating segments based on their similar economic and operating characteristics.

The following table illustrates certain measurements used by management to assess performance of the segments described above for the three and nine months ended September 30, (in thousands):



	Three Months Ended September 30,						Nine Months Ended September 30,
	2018			2017			2018			2017
Net sales:
Residential Products	$	125,839		$	129,501		$	360,915		$	361,304
Industrial and Infrastructure Products	56,033			57,162			172,218			165,806
Less: Intersegment sales	(272		)	(224		)	(861		)	(994		)
Net Industrial and Infrastructure Products	55,761			56,938			171,357			164,812
Renewable Energy and Conservation	98,486			88,135			229,187			202,690
Total consolidated net sales	$	280,086		$	274,574		$	761,459		$	728,806

Income from operations:
Residential Products	$	20,138		$	23,764		$	57,572		$	61,984
Industrial and Infrastructure Products	2,892			2,554			12,098			5,914
Renewable Energy and Conservation	15,072			11,549			28,690			18,381
Unallocated Corporate Expenses	(8,698		)	(2,174		)	(22,839		)	(15,977		)
Total income from operations	$	29,404		$	35,693		$	75,521		$	70,302

The following tables illustrate revenue disaggregated by timing of transfer of control to the customer for the three and nine months ended September 30 (in thousands):



	Three Months Ended September 30, 2018
	Residential Products		Industrial and Infrastructure Products		Renewable Energy and Conservation		Total
Net sales:
Point in Time	$	125,118	$	47,686	$	10,784	$	183,588
Over Time	721		8,075		87,702		96,498
Total	$	125,839	$	55,761	$	98,486	$	280,086



	Three Months Ended September 30, 2017
	Residential Products		Industrial and Infrastructure Products		Renewable Energy and Conservation		Total
Net sales:
Point in Time	$	129,501	$	56,938	$	7,659	$	194,098
Over Time	—		—		80,476		80,476
Total	$	129,501	$	56,938	$	88,135	$	274,574



	Nine Months Ended September 30, 2018
	Residential Products		Industrial and Infrastructure Products		Renewable Energy and Conservation		Total
Net sales:
Point in Time	$	358,960	$	145,657	$	25,128	$	529,745
Over Time	1,955		25,700		204,059		231,714
Total	$	360,915	$	171,357	$	229,187	$	761,459

	Nine Months Ended September 30, 2017
	Residential Products		Industrial and Infrastructure Products		Renewable Energy and Conservation		Total
Net sales:
Point in Time	$	361,304	$	164,812	$	18,835	$	544,951
Over Time	—		—		183,855		183,855
Total	$	361,304	$	164,812	$	202,690	$	728,806