Inventories

Inventories, net of the allowance for obsolete inventory, were comprised of:



	December 31, 2014		December 31, 2013
Aluminum and steel coil	$	72,587	$	58,153
Raw materials	16,427		15,291
Work in process	2,467		1,936
Finished products	14,904		14,380
Total inventories, net	$	106,385	$	89,760

The Company has disclosed aluminum and steel coil inventory separately, as it represents inventory that can be classified as raw material, work in process or finished product. Aluminum and steel coil represent both painted and bare coil. Inventories are net of related reserves totaling $2.5 million and $2.4 million at December 31, 2014 and December 31, 2013, respectively.

Activity in the allowance for obsolete inventory was as follows:



	2014			2013			2012
Balance, beginning of year	$	2,441		$	2,911		$	3,009
Charges to costs and expenses	4,037			3,972			4,386
Write-offs	(3,883		)	(4,487		)	(4,534		)
Foreign currency translation	(129		)	45			50
Balance, end of year	$	2,466		$	2,441		$	2,911