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  • SEM High Build Primer Surfacer Gray Aerosol
SEM High Build Primer Surfacer Gray Aerosol is rated 4.4 out of 5 by 5.
Rated 5 out of 5 by from Smooth Primer I have been using a different high from Eastwood, I have been happy with it but it tended to be chalky but covered very well with a thick build. When I switched to this High Build I was blown away, Using a over lap pattern this primer goes on smooth and thick. I intend to use this as a base before laying down the base coat.
Date published: 2013-08-11
Rated 5 out of 5 by from Top quality SEM primer is the exact primer I was getting from the pro paint shop, which cost more plus the drive to and from. Now it is delivered to my home andcosts less!
Date published: 2013-07-23
Rated 4 out of 5 by from Got ya' covered Sem high build primer fits the bill when you dont' want the hassle of cleaning up your spray equipment. Goes on smooth and covers well. Sanding is a breeze too!
Date published: 2014-12-09
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Can this be used over Eastwood Rust Encapsulator and then top coated with Eastwood Underhood Black? I am looking to cover pitting on Radiator Support, Headlight Buckets and the like. Thank you.

Asked by: 73 Blue RT
You can certainly apply this product over our Rust Encasulator to allow you to block sand the area smooth in preparation for our underhood black.
Answered by: Scott C
Date published: 2018-06-01

Will this stick to bare plastic ?

Asked by: Lizkid
This will adhere to properly sanded and cleaned plastic.
Answered by: Scott C
Date published: 2018-04-30

Does this come in black ?..

Asked by: Scottjg
We only carry the SEM high build in a gray color.
Answered by: Scott C
Date published: 2018-03-22

Can body filler be applied on top of this primer?

Asked by: DonP_71
We do not recommend applying body filler over a non catalyzed primer such as this. The only one we sell you can do it over is our Epoxy primer.
Answered by: Scott C
Date published: 2017-12-14

Can this product be used on fiberglass? If so, does the fiberglass need to be prepped in some way before using?

Asked by: ChrisAllen
This can certainly be used on fiberglass. Just sand the surface with some 320 grit to put some scratches in for this to adhere to.
Answered by: S Church
Date published: 2017-10-02

Can I spray urethane color base coats directly on to this without sanding within a certain time frame?

Asked by: JAZE101
Since this is a high building primer it is designed to be sanded prior to color coat to achieve proper film build.
Answered by: S Church
Date published: 2017-08-09

For spot repairs, can this primer be applied over existing automotive finishes, and/or body filler, and glazing putty?

Asked by: Indian mb
This can certainly be applied over top of all you have listed as long as properly scuffed first.
Answered by: S Church
Date published: 2016-12-09

Can I spray this on top of SEM Self-Etching Primer?

Asked by: RAZE
This can certainly be used over SEM Self-etching primer.
Answered by: S Church
Date published: 2016-10-04
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SEM High Build Primer Surfacer Gray Aerosol

SEM High Build Primer Surfacer Gray Aerosol

Item #50056Z Brand: SEM

Touch-up surface imperfections before priming and top-coating
Quantity:
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In stock

Only $19.99
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Details

SEM High-Build Primer Surfacer provides superior adhesion with fast film build and flexibility

  • Provides superior adhesion
  • Excellent filling properties
  • Works on flexible or rigid substrates
  • Easy to sand
  • Topcoat with most refinish material

High-Build Primer Surfacer is a flexible acrylic coating for priming steel, aluminum, urethane, fiberglass and plastics.

If you've ever block sanded down to bare metal, here's an easy way to touch up. The SEM High Build Primer Surfacer provides superior adhesion with fast film build and flexibility when priming steel, aluminum, urethane, plastic and other similar surfaces. Sands easily with 320 - 400 grit. One 16 oz net wt. aerosol can covers about 15 square feet.


More info...
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Contents

One 16-oz. aerosol can of SEM High-Build Primer Gray


Instructions

Click here for Technical Data Sheet

Click here for Safety Data Sheet


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Customer Reviews

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Questions & Answers

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