Coverage using a 515 spray tip was only 125 SF per gal on the first light coat on T-111 plywood. For being a white semi-transparent stain the pigment is very light with minimal color coverage. My estimate of 6 gal. has now increased requiring an additional 5 gal. to complete the project.
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Response from BehrMarch 12, 2019
Thank you for sharing your experience with Behr DECKplus. I'm sorry to hear that the spread rate was lower than expected. This is very odd; especially because you used the recommended-sized tip. I'd like to connect with you and gather more details about your project. Please contact Behr directly for further assistance with your project.
Since I bought this product I have had pollen and rain so I am just now applying the stain. I love the color. My only concern is that it cannot be applied in full sun. My deck gets full sun from 9 am until sunset. I have to be up early to apply the stain UGH