Ft for a 50sf room the cost triples to 1 500.
													
																	Closed cell insulation cost per square foot. 
									
	
		
	
																	A closed cell insulation product can cost roughly 1 00 to 1 50 per board foot. 
																	For open cell insulation the average price for a project this size would be 2 700. 
																	There is an economy of scale involved so the larger the square footage the smaller the per square footage cost. 
																	For an average 2 200 square foot home open cell foam insulation costs 1 254 for the minimum 1 5 thickness and 2 926 to spray the maximum 3 5 thickness on average while a closed cell foam installation costs 6 776. 
															
													
									
	
		
	
																	This cost is similar compared to fiberglass batting which costs between 0 64 and 1 19 per square foot or between 300 and 500 for 500sf of insulation. 
																	Open cell spray foam which usually costs 0 44 to 0 65 per board foot and closed cell spray foam which averages 1 to 1 50 per board foot the average total cost to have spray foam professionally installed is about 2 406 or between 1 278 and 3 677 spray foam insulation works as alternative to traditional fiberglass insulation during construction or. 
																	From there multiply the cost of the foam. 
																	Home if you need 3 inches of foam depth the price above would. 
															
													
									
	
		
	
																	Spray foam is available in two different types. 
																	The average cost to have spray foam professionally installed is about 2 400 for a 1 600 sq. 
																	On the same 2 200. 
																	For a general sense of what spray foam insulation costs if you choose an open cell product the cost can be roughly about 0 44 to 0 65 per board foot. 
															
													
									
	
		
	
																	Closed cell spray foam insulation total. 
																	The cost of the spray foam insulation has a number of factors that influence the final price. 
																	Expressed in terms of square feet spray foam installation cost is 1 50 to 3 00 per square foot for an average sized home between 2 000 to 2 500 square feet that s a total cost of 3 000 to 7 500. 
																	However if you need three layers of spray insulation or 1 500 bd. 
															
													
									
	
		
	
																	Spray foam is available in two types. 
																	Spray foam insulation costs 1 36 to 2 63 per square foot depending on if it s open or closed cell. 
																	So if you have a 1 200 square foot attic and are planning on spraying the foam 3 inches thick multiply these two numbers to get 3 600 board feet. 
																	For closed cell insulation the average cost works out to 5 400. 
															
													
									
	
		
	
																	Closed cell spray foam insulation installation cost. 
																	Closed cell spray foam costs 75 to 1 per board foot. 
																	Open cell spray foam which is usually 1 00 to 1 20 per square foot and closed cell spray foam which is about 1 25 to 1 50 per square foot 1 by 12 x 12 area of coverage.