My non-scientific test of 1000+ ability to extend the life of paint brushes:
Several weeks ago I began remodeling the inside of a house top to bottom. I purchased (2) 2-1/2 inch Purdy brushes for the trim and cut-in painting. I used one of the brushes, and my son (who used to paint for a living) used the other. On all of the items listed below we applied 1 coat of Kilz primer, 3 coats of ultra gloss white latex, and all cut-in work was 2 coats of latex. The brushes were used 6-8 hours per day (with breaks included lol) for 5/6 days respectively. Every evening I washed both brushes myself using water on my sons brush, and 1000+ on my brush. In the mornings before starting to paint, the bristles on my brush were noticably softer and much more flexable. At the end of day (5) the bristles on his brush were seperating too bad to paint any molding, so it hit the trash can while my brush finished the painting work on day (6) and still has plenty of life remaining for the rest of the trim when the tile work is complete. In this un-scientific test it is aparent to me that using 1000+ definately extends the life of the brushes substantialy.
29 door casings (3 coats of ultra gloss latex + primer)
2 archways (3 coats of ultra gloss latex + primer)
approx. 300 feet of base boards (3 coats of ultra gloss latex + primer)
approx. 340 feet of crown molding (3 coats of ultra gloss latex + primer)
cut-in around all door casings and trim molding (2 coats latex + primer)
