Started the roof today. Trying a new method to affix. I am using Pl Premium Max. Its a modified silane polymer (SMP) type glue and not a Polyurethane. I won't bore you with the science, Google it and theres lots of info.. but it means its super strong, and is 100% Solid.. which has been my biggest beef with regular PL Premium and it doesn't expand, bubble up and ooze all over. It also doesn't crack... It has twice the shear strength as regular PL Premium.. at about 1200psi douglas fir to douglas fir.
So why am I using it??. its easy to apply and clean up. I can use natural turps to clean tools, and wipe off unwanted areas.
I also don't have to wait for the right weather conditions and can apply even in the rain with a leaky roof tarp.
In fact, it so easy. I just use a putty knife to scrape off the glue squeezeout after 20 minutes when its semi soft for a clean finish.
So here's the info on the product. Once I'm done. I will coat the roof after a quick sand with epoxy and glass. But there has been some discussion about epoxy alternatives for gluebup. I don't know if its the right choice.. but it is working great for me. I am securing with stainless screws as well.
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