How much am I suppose to be sanding? I took some 220 grit and then 400. The 400 felt like it was sliding on glass. Also I have an etching design on the bottom of the tub that is lots of circles. Is that a problem?

We used120 grit first to the whole area looked dull then we went over the whole are with 400 grit to make sure it was completly smooth before treatment.the bottom was rough when we started after the sanding and paint it was completely smooth .

what kind brush I have to use it?

I used Black China bristle, the product is like an oil based paint, a small foam roller would be better because you won't get brush strokes. The epoxy product is harder to work with, don't over brush if you do it with a brush. And reverse your stoke on the second application. Good luck, ventilate the room really well and wear a mask even though the directions don't require it.

why would the second coat bubble up and peal off. How do you repair the peeled off sections. Tried to recoat and bubbled up and peeled again.

Same problem. I believe the issue with me is that the bathroom temp was around 90. For this paint to dry properly the label says 65 - 90 degrees and less than 80% humidity. I turned my A/C down and monitored the temp in the bathroom. It was about 78 and no bubbling occurred, so I assume the temp was the problem. I assume with this type of paint, temperature is very important. Unless your a professional painting in really cold weather, who really pays attention to that aspect of the process? Not me.

What is a good roller to use with this product.

The box recommends a roller with a certain nap and to wrap the roller in painters tape before you start to remove any loose fibers. I used a 4" Purdy brand roller of the appropriate nap (purple-colored as recommend by Menard's paint staff). I used a new one for my 2nd coat. My rollers did not fall apart or lose any fibers, but I wonder if I would have had better coverage if I switched it partway through (as suggested in another question/answer). Make sure you get a good brush--it's annoying if the bristles come off in your paint surface.

Brand	Rust-Oleum
Color	Coastal Fog
Finish Type	Gloss
Size	32 Fl Oz (Pack of 1)
Item Volume	32 Fluid Ounces
Special Feature	Tub & Tile Paint
Unit Count	32.0 Fluid Ounces
Paint Type	Acrylic
Specific Uses For Product	Interior
Surface Recommendation	Porcelain
Indoor/Outdoor Usage	Indoor
Item Form	Liquid
Included Components	Rust-Oleum 384166 Tub and Tile Refinishing 2-Part Kit, Gloss Coastal Fog
Is Waterproof	True
Model Name	Tub & Tile Refinishing Kits
Package Information	Can
Color Code	Gray
Full Cure Time	3 Days
Coverage	110 sq ft
UPC	020066024192
Global Trade Identification Number	00020066024192
Manufacturer	Rust-Oleum
Part Number	384166
Item Weight	3.01 pounds
Product Dimensions	6 x 4.38 x 6 inches
Item model number	384166
Style	Gloss
Finish	Gloss
Material	Plastic
Pattern	Gloss
Item Package Quantity	1
Special Features	Tub & Tile Paint
Batteries Required?	No
Warranty Description	Warranty

Rust-Oleum 384166 Tub And Tile Refinishing 2-Part Kit, Gloss Coastal Fog

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