Minimum temps | Ask Mason Knowles - SPF Consultant | Spray Foam Technical Questions and Answers | SprayFoam Magazine Q&A Forums

Q&A Forums

Author	Comments
Posted: Nov 15, 2007 05:07 PM	Minimum temps What is the minimum ambient temp to spray BASF 2.7lb roofing foam with ample sun. It is getting chilly willy around here. We have a 200 years of combined experience and would like to have your opinion.
mason Posted: Nov 15, 2007 09:02 PM	I don't know BASF's low end substrate temperature required for good foam. But I presume it would require a substrate temperature above 50 degrees F. If you prime the substrate with a dark primer, you can get the substrate temperature on a sunny day 20 to 30 degrees higher than the ambient temperature. Ask your BASF rep for their recommendations.

Author

Comments

Posted: Nov 15, 2007 05:07 PM

Minimum temps

What is the minimum ambient temp to spray BASF 2.7lb roofing foam with ample sun. It is getting chilly willy around here. We have a 200 years of combined experience and would like to have your opinion.

mason

Posted: Nov 15, 2007 09:02 PM

I don't know BASF's low end substrate temperature required for good foam. But I presume it would require a substrate temperature above 50 degrees F. If you prime the substrate with a dark primer, you can get the substrate temperature on a sunny day 20 to 30 degrees higher than the ambient temperature.

Ask your BASF rep for their recommendations.

You need to login to reply to this topic. Please click here to login.