StonePly Panels vs Traditional Stone Cladding

StonePly Panels vs Traditional Stone Cladding


At StonePly, quality testing and technical and performance standards have been established to assure long-term durability and strength of the panels. These strict standards are designed to provide a beautiful, trouble-free, and virtually maintenance-free product. Since other stone panel products are available for construction, architects, or other specifiers who are looking for the strength and durability of StonePly, should specify a product that meets established codes and specifications for that level of performance.

Get downloadable StonePly specifications here.

Comparison Matrix

PropertyCommon Stone cladding (1 3/4" granite)StonePly HCStonePly ACM
Impact Resistance 60 ft lbs 3,200 ft lbs 1500 ft lbs over backup
Weight (approximate weight, varies by stone type) 27 lbs/sqft Less than 4 lbs/sqft Less than 4 lbs/sqft
Large Missile Impact Test   Passed Passed when adhered to solid substrate
Install Method Kerfs or slots in stone and steel anchors Z clips, concealed screws or structural silicone adhesive Adhesive
Install Speed Very slow Fast Fast
Weight per 4' × 4' Panel (approximate weight, varies by stone type) 432 lbs 54 lbs 40 lbs
Thickness of Assembly 4" to 6" 3/4" to 2" 1/4"
Fire Ratings Class A (NFPA Standard)
Class I (UBC Standard)
Class A (NFPA Standard)
Class I (UBC Standard)
Class A (NFPA Standard)
Class I (UBC Standard)