Sika Rmax Pro Select R-Matte foam insulation boards are versatile， multi-application boards with a durable white-matte (non-glare) reinforced aluminum facer on one side and a reflective reinforced aluminum facer on the reverse. This thermal insulation is designed for use in Stud walls， cavity walls， masonry walls， exterior stucco， re-siding， vaulted ceilings， attics/crawl space， concrete foundations， exterior ducting， and limited roofing. This product is an excellent choice for many do-it-yourself applications to add insulation value to any project. This ENERGY STAR qualified board provides R-3.2 with dimensions of 1/2 in. x 4 ft. x 8 ft. This product is designed for exterior and interior， non-structural uses.
Highest R-Value: thinner profile & higher R-Value than other foam boards
Continuous insulation: eliminates thermal bridging through the framing for improving thermal efficiency
Air & water-resistive barrier: preventing air infiltration and water intrusion
Radiant barrier: white on one side and reflective on the other for universal use
Exposure rated: can be left exposed in attics/crawl spaces
Easy to install: lightweight， durable and easy to handle
Suitable for above-grade & below-grade applications
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