Unvented roofs - Closed cell vs Open cell Spray Foam Insulation which is better?

Many people want to know should they be placing closed cell spray foam up against the roof deck of a house, shop, barn, loft or some type of wood-framed shingled roof.
Well we get at that subject and hammer is down in 10 mins.

http://www.sprayjones.com/

Open cell foam    • What is Open Cell Spray Foam Insulati...  
5 failures and why    • 5 Spray Foam Insulation Failures and ...  
How much foam do I need?    • How Much Spray Foam Insulation do I n...  
What Conditions do we need to apply?    • What Conditions Are Needed To Apply S...  
Burning the SPF    • Burning Spray Foam Insulation - Seein...  
SPF in contact with ground    • Spray foam Insulation for In-Ground S...  
Shingle life and SPF    • Shingle Life and Spray Foam Insulatio...  
The most dangerous SPF installers    • Who are the most dangerous Spray Foam...  
Why is our foam purple?    • Why is our spray foam Insulation purple?  
Best practices for your basement    • Best practices for spray foam insulat...  
Why is spray foam insulation safe and effective?    • Why Is Spray Foam Insulation Safe And...  
The 10 Commandments of Spray Foam Insulation    • The 10 Commandments of Spray Foam Ins...  
Can we inject spray foam into walls?    • Can Foam Insulation Be Injected Into ...  
4 Pitfalls of spray foam insulation    • 4 Pitfalls Of Spray Foam Insulation T...  
Unvented roofs – Closed cell or Open cell    • Unvented roofs - Closed cell vs Open ...  
Spray foam insulation for metal buildings & Quonsets    • Spray Foam Insulation for Metal Build...  
Spray foam insulation for basements – Rigid SM or SPF?    • Basement Insulation - Rigid Board or ...  
Why put spray foam insulation under-slab?    • Why Put Spray foam Insulation Under S...  
How to know if you are talking to a Rogue SPF contractor    • How To Know If You Are Talking To A R...  
6 areas that need spray foam in your home    • 6 Areas That Need Spray Foam Insulati...  


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