Sashco® systems, Inc has some very high quality coatings and i have a couple of general contractors and architects. That specify that i use Sashco®
I have been applying Sikkens® wood coatings for over thirty years, in the enviroment that most log and timber structures are located be it mountain, lakes etc you need and my client's need a high performance coating that is going to perform well. And with the addition of a comprehensive maintenance program it is not unheard of to have a structure protected for 7-8 years with out extensive work needed - if you would like more info etc,, facebook.com/JPwoodcoatingservices
Jenkins Painting, llc