Siga / Green Building & Sustainable Home Renovation Information & Advice

...Siga Majrex typically offer a vast range of variable permeance, often shifting from less than 0.7 perm when dry (Class II vapor retarder) to over 13 perms when wet (vapor open). This large range provides the maximum safety and drying capacity for the wall assembly. The Perm rating: The perm rating tells you how much w...

...SIGA is the only company that uses solvent-free adhesives. That isn't true, and at this point the most respected manufacturers in the high-performance building field have all adopted this technology. That rumor probably has roots in the fact that Siga got thier product to market early, but they also had a brilliant mar...