401 storefront series

2” x 4 1/2” SECTION


The 400 Aluminum Storefront Series is a cost-effective center-glazed system meticulously crafted to meet industry-standard performance requirements efficiently. Notably, all components of this system are designed for interchangeability, rendering it well-suited for both interior and exterior applications.

Measuring 1 ¾” x 4”, the 400 Series is a robust glazing system capable of accommodating ¼” glass within a ½” glass pocket width, offering flexibility for both shop and field fabrication. Extrusions can be reinforced to adhere to more demanding performance standards. This aluminum storefront series seamlessly integrates with all standard entrance door hardware, accommodating various door types, including those with single or double-action door hardware.

The following precautions are recommended to protect the material against damage.
Following these precautions will help ensure early acceptance of your products and workmanship.

The mockup specimen for testing was a flat wall specimen, nominal one (1) story high, consisting of a 4 1/2″ deep, offset glazed, aluminum window wall system, measuring approx, 10´ wide by 10´ high (3 lites wide by 2 lites high). The system was glazed.

Compliance Statement: Results obtained are tested values and were secured by using the designated test method(s). The samples tested met the performance requeriments set forth in the referenced test procedures for a +1676/-2873 Pa (+35/-60psf) Design Pressure with missile impacts corresponding to Missile Level D and Wind Zone 3 for a basic protection rating.

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401-Series (1-3/4 X 4 Offset Glaze For 1/4 Glazing):

Performance: (Test sample of 10 feet (3048 mm) wide by 10 feet (3048 mm) high - 3 lites wide by 2 lites high).

  1. Do not begin installation until substrates have been properly
  2. If substrate preparation is the responsibility of another installer, notify Architect of unsatisfactory preparation before proceeding.
  1. Clean surfaces thoroughly prior to
  2. Prepare surfaces using the methods recommended by the manufacturer for achieving the best result for the substrate under the project conditions.
  1. Install in accordance with manufacturer’s
  1. All joints between metal and masonry shall be fully caulked and field tested to resist water leakage with provisions taken to drain infiltrated water.
  1. Protect installed products until completion of
  2. Touch-up, repair or replace damaged products before Substantial

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PRL Glass  Systems Inc
13644 Nelson Ave, Industry, CA. 91746
251 Mason Way, Industry, CA. 91746

PRL Aluminum Inc
14760 Don Julian rd, Industry, Ca. 91746

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