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Old 04-25-07, 12:56 PM   #4 (Link)
Tiddler
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Update


Recent experiments with other Behr Latex paint products have lead to the following descriptions and comments:

For those looking for a simple solution that does not equire the use of the matte polyurethane top coat, at least not immediately here are some comments about Behr products:


Behr UPW Flat Latex #1050

This is what I recommend for application that involve a less than smooth substrate. It is worth applying 2 or more coats to fill in cracks and smooth out the bumps. The typical wall blemishes like poorly filled screw holes will not be visible in the image. It may even be possible to use a cement block wall assuming the grout lines are not too deep.

The UPW #1050 also works well as a base coat that will be top coated with a matte polyurethane that may or may not contain some pearl or metallic flakes. The durability of the surface is then determined by the polyurethane. Keep in mind that top coat will cause the wall blemishes to become visible though. If top coating is the eventual goal then the substrate must be flat and smooth.



Behr UPW-ULTRA Exterior Flat Latex #4850

This product is similar to the UPW #1050 in that it is flat and therefore will provide some blemish hiding. It is not quite as flat so it's ability to hide blemishes will be slightly less than the UPW #1050.. It is supposed to be a far more durable paint and therefore it would be a good choice where the matte screen surface is the goal and probably will be use that way for an indefinite period of time. Top coating with a matte polyurethane is still an option. The custom tints provided for the UPW #1050 are applicable to this product.



Behr UPW Flat Enamel #1850

This represents a nice choice for a one-can solution. It is more durable than the UPW #1050 and does have a low lustre sheen. That translates into a brighter image. It will show wall blemishes because of this sheen and therefore should be applied to a smooth flat blemish free substrate. The custom tints provided for the UPW #1050 are applicable to this product.


Behr Exterior Primer #436

This is a typical stain blocking primer. It is thin and has some translucent characteristics. It also has a sheen to it and so far has demonstrate some tendency to hot spot. It is a primer so therefore could replace the primer and latex paint in the basic EasyFlex solution. This product contains far less Titanium Dioxide (white pigment) therefore it tints darker than UPW. If it does prove to be a good screen paint choice I will provide alternate tint formulas.

NOTE: The Behr Exterior Primer #436 is still being tested for it's suitability as a base for a matte poly top coat or Pearl Clear Coat application.


Last edited by Tiddler; 07-05-07 at 02:20 PM.

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