OPACI-COAT-300® spandrel is a water-based silicone coating that upon evaporation of water will cure to a tack-free silicone elastomeric film. After the glass goes through the heat-treatment process, the OPACI-COAT-300® is applied with a roll coater in a single coat application. A standard application consists of a minimum thickness of 8 mils wet or 4 mils dry. Should the product need to meet fall out protection (upon request), Manko can provide a double coat application to meet a minimum thickness of 13 mils wet or 6.5 mils dry. Each of Manko’s manufacturing locations provide OPACI-COAT-300® silicone coated spandrel glass.
Product Requirements, Glazing Applications, and Product Inspection
Manko provides industry standard, non-visionary spandrel glass, intended for use to mask materials or construction from view from the exterior of the building. The interior side of spandrel glass is not suitable for use as a finished wall, material such as sheetrock or insulation must be installed on the interior side at least 1″ from the surface of the glass.
Due to heat build-up on the spandrel glass, Manko requires the glass to be heat-treated. OPACI-COAT-300® silicone spandrel glass coating can be applied to the #2 surface in a monolithic application and is commonly placed on either the #2 or #4 surface of an insulated unit. This placement allows the smooth surface of the spandrel to be viewed from the exterior. OPACI-COAT-300® cannot share the airspace of an insulated unit with a soft coat low-e, if the makeup includes a soft coat low-e (i.e. if there is a soft coat low-e on the #2 surface, the OPACI-COAT-300® must be moved to the #4 surface).
Per ASTM C1048, spandrel glass should be inspected at a 90 degree angle from a distance of 10 feet or greater under uniform lighting conditions, and against an opaque substrate.
- Virtually unlimited opaque color palette
- Formulated for spandrel & wall-cladding
- Building façade & interiors
- Trained & certified applicators
- Lead free & ultra low VOC
- Fallout resistance capability
- Does not weaken tempered or heat-strengthened glass
Standard Color Options
Manko offers 12 standard OPACI-COAT-300® color options, however stock may vary at each branch. Manko can provide any color ICD offers as well as custom color options. Below is an image of the 12 standard colors. Also, click here for the brochure
*Colors may differ in shade based on your viewings screen—we recommend ordering a physical sample for in-person review.
OPACI-COAT 300® Harmonizing Color Capabilities
ICD offers a unique opportunity to harmonize the building’s spandrel product with the low-e selection. ICD has created custom spandrel colors that offer a close match to the look of the vision units selected. Below are clickable vendor logos with links to recommendations.