Foam Spline longevity

Handy Person from Phoenix, AZ
Aug 19, 2011 6:10 pm
I have to replace some screening on a patio enclosure that faces south and is in the Phoenix, AZ area. My concern about the foam is whether it would hold up as well as the vinyl spline under the intense sun and heat we get here. I will need approx. 220' of spline for this project.
4 Replies

Dave Sr. from SWISCO
Aug 24, 2011 9:27 am


I have used this foam spline for re-screening window screen inserts in the New Jersey area for years and honestly no one has asked the question before. With the hot sun I guess it could turn brittle from the ultra violet rays.
I sent this query to the manufacturer but I have not heard back from them. If they get back to me with more info I will update this discussion.
I sent this query to the manufacturer but I have not heard back from them. If they get back to me with more info I will update this discussion.

Handy Person from Phoenix, AZ
Aug 24, 2011 1:41 pm
Dave from SWISCO,
Thank you for your reply. I would appreciate hearing what the manufacturer has to say.
Thank you for your reply. I would appreciate hearing what the manufacturer has to say.

Tom from SWISCO
Aug 25, 2011 12:55 pm


I spoke with the manufacturer today regarding this issue. They have had their foam spline tested according to the AAMA 702 Category 1 specifications for how the product would hold up to intense heat. They tested the product for twelve straight days alternating the temperature and light between roughly 120 and 113 degrees every four hours. The product did very well under these intense conditions. After twelve days the product had between 0.0% to 0.1% shrinkage.
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