Architects & Engineers

Our windows meet design criteria for Tilt-Up construction installation with standard wall widths, full glass options, and complete color options. IWS uPVC windows are designed for performance and building life cycle. Offering includes:

  • Meets or exceeds ASTM standards 
  • Integrated chamfer with built-in water diversion drip cap. 
  • Sills come standard with a 3-degree slope to eliminate pooling that causes water infiltration concerns. 
  • The high-performance polyacrylic paint, with low VOC, complements building elevation designs. 

Offer your clients more architectural appeal with IWS!

Long-Lasting Window Solutions with Long-Term Cost Savings

Meet the punch window solution that’s revolutionizing the Tilt-Up Construction world! Offer clients a premium performance window that meets or exceeds standard design criteria as a cost-effective Cast-In Place window alternative to the aluminum window norm. This includes eliminating aluminum corrosion in coastal markets! Our patented solutions decrease variability in today’s punch window installation process.

Let’s Get Started!

We’ll send you the specs, dimensions, and ASTM information you need to get started.

For immediate needs, please call Ken Stranz today at 515-782-9965 or email at kstranz@iwstilt.com.

complimentary Revit, cad, & Sketchup Files

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Integrated Window Systems

Custom sizes available.
Call for a quote!

We can meet your glass requirements, both functional and aesthetic.

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3 Simple steps

STEP 1: SET

STEP 2: PLACE

STEP 3: LIFT

Clean interface transition

“IWS Cast-In Place windows provide a clean interface transition appeal ridding of the appearance typical aluminum glazing provides over time.”

– Customer Review