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Cut panels to shape, sand, wash and prep for masking: 1.5 hours To minimize waste, I cut three panels from a 4-by-10 sheet of SignFoam HDU board [www.signfoam.com]. Then I edge glued the last panel together from the off-cut piece, using West systems epoxy.

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Cut panels to shape, sand, wash and prep for masking: 1.5 hours To minimize waste, I cut three panels from a 4-by-10 sheet of SignFoam HDU board [www.signfoam.com]. Then I edge glued the last panel together from the off-cut piece, using West systems epoxy.

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Cut and apply masking: 3 hours After sanding we hosed off the panels, let them dry, then masked them with Hartco 425 sandblast mask that had been cut on our Graphtec plotter.

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Sandblast panels: 2 hours We sandblasted to the desired depth before adding the texture to the background.

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We laid the Grain-Fraim [www.signfoam.com] on the panel and blasted through it to add the texture. We had made sure that the glue joints in the laminated panel went the same direction as the wood grain texture.

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Spray ivory background color: 1 hour We sprayed the backgrounds with acrylic latex enamel.

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Brush two coats on all raised surfaces: 4 hours We sprayed the darker tan background color and removed all the masking. Then the raised areas got two coats of oil-based enamel, and wet sanded.

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Spray clear coat: .5 hour Once the painting was complete, the whole sign got a coat of PPG Matte clear automotive finish [www.ppgrefinish.com].

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What’s it cost to produce these 3-by-3-ft. sandblasted signs?

By Braun Bleamer

Posted on Monday, November 2nd, 2015

Materials:

4×10 ft. sheet of SignFoam
HDU board – $410
Sandblast mask – $75
Clear coat – $125
Paint and misc – $75
Total materials – $685

Labor:

Consult/design – 1 hours
Cut and prep panels – 1.5 hours
Cut and apply mask – 3 hours
Sandblast – 2 hours
Paint and clear coat – 6.5 hours
Install – 1.5 hours
Total man-hours – 15.5 hours

We do all the 3-D signs for this customer, and this particular project was for the entry to their new lodge. We worked closely with the wrought iron designer who did a lot of other work on the project, including the entry. Our task was to produce four 3-by-3-ft. sandblasted single-faced signs and a set of cutout letters.

There were four stone columns at the entry, and we did a sandblasted sign on 15-lb. SignFoam HDU board for each one. Two of the columns supported a beam structure that went over the entry road, and the letters went on that beam.

Our production approach on sandblasted signs like these is pretty straightforward. This job was on HDU board, so we blasted to the depth we wanted, then blasted through the Grain-Fraim to create the texture in the background.

We spray the backgrounds with acrylic latex enamel, and finish the raised areas with oil-based enamel, using a brush. We wet sand the raised surfaces then spray the whole sign with PPG Matte automotive clear. These projects go through the shop pretty smoothly, and make very durable graphics for the customer.


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Braun Bleamer

Braun Bleamer’s shop, Jet Signs Inc., is in Palmerton, Pennsylvania.