walls Archives - AE Building Systems https://aebuildingsystems.com/tag/walls/ High Performance Building Materials Sat, 09 Dec 2017 00:14:38 +0000 en-US hourly 1 https://aebuildingsystems.com/wp-content/uploads/2017/02/logo1-100x100.png walls Archives - AE Building Systems https://aebuildingsystems.com/tag/walls/ 32 32 SIGA Majrex: A Skin Like the Cactus https://aebuildingsystems.com/siga-majrex-a-skin-like-the-cactus/ https://aebuildingsystems.com/siga-majrex-a-skin-like-the-cactus/#respond Sat, 09 Dec 2017 00:14:38 +0000 https://aebuildingsystems.com/?p=1813 What can we learn from the cactus related to building science? The cactus “skin” has essentially two perm ratings. The cactus absorbs vapor through its skin at night, and in the daytime when temperatures rise, that same skin prevents the moisture from escaping. The skin of the cactus allows moisture to migrate inward, but not […]

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