About Astro-Tec

Originally founded in 1963, Astro-Tec has quickly become #1 when it comes to dome manufacturing. With multiple patents awarded for their seam technology, and countless installs around the world 50+ years in the industry they have definitely made a name for themselves in the planetarium community.

With high-quality installations on all of astro-tecs domes, you will get consistent seam lines, with no post install separation or buckling guaranteed. Other competitors domes show signs of separation and variances found that can lead to noticeable black lines in the projected image.

​Ash is a certified dealer for all  Astro-Tec domes

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Ulteria Seam

• High-Quality Installation
• Unsurpassed Strength
• One Row of Rivets on Both Axes
• No Unsightly Gaps or Buckles
• Larger panels than the competition resulting in less overall seams
• Flush Horizontal and Vertical Seams
• No Shiny Edge Lines from Trimming
• 5 Axis CNC Precision Cut Panels
• Superior performance under the most advanced and brightest projection

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Ultimate Seam

• High-Quality Installation
• Unsurpassed Strength
• One Row of Rivets on Both Axes
• No Unsightly Gaps or Buckles
• Larger panels than the competition resulting in less overall seams
• Minimal Horizontal and Vertical Seams
• Indistinguishable Edge Lines from Trimming
• Great performance under the most advanced and brightest projection

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Standard Seam

• High-Quality Installation
• Unsurpassed Strength
• One Row of Rivets on Both Axes
• No Unsightly Gaps or Buckles
• Typical Horizontal and Vertical Seams
• Some Edge Lines from Trimming
• Larger panels than the competition resulting in less overall seams
• Standard performance for all projection