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Pro Select R-Matte Plus-3, 0.5 in. x 48 in. x 8 ft. R-3.2 ISO Rigid Foam Board Insulation

  • Interested in purchasing a pallet? Buy 48
  • Thinnest profile & higher R-Value than other foam boards
  • Air & water-resistive barrier
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Product Details

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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From the Manufacturer

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Specifications

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Questions & Answers

96Questions
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Q:We just installed all new sheathing and Grace Ultra underlayment on my roof. Can I use this between the roof underlayment and the new metal roof we are putting on? Thank You.
by|Jan 26, 2023
0 Answer
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Q:Can you use this on concrete as a part of a subfloor?
by|Jan 20, 2023
0 Answer
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Q:Is it considered a structural panel ? Does it meet code for exterior wall bracing?
by|Jan 12, 2023
1 Answer
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A:  Mark, R-Matte Plus-3 is not a structural panel; stud walls insulated with R-Matte Plus-3 must be properly braced for lateral loads according to the requirements of local Building Codes.

by|Jan 13, 2023
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    Q:I?m installing plywood flooring in an RV compartment. Will this board compress if placed between two sheets of plywood?
    by|Jan 8, 2023
    1 Answer
    Answer This Question

    A:  TrailerParker, there is a possibility for some compression especially as use go through thicker layers of foam board. Our boards are 20 PSI, that should give you some idea of the amount of weight it can manage.

    by|Jan 9, 2023
      Showing 1-4 of 96
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      Customer Reviews

      4.6 out of 5
      (270)
      • 4.6
        out of 270 reviews
      • 93%recommend this product
      Filter by:
      Showing 1-10 of 270 reviews
      Window cutouts keep cold out
      Bought this to keep the cold out this 2021 artic blast and it worked. Husband cut the boards yo window size. I've also used this in the hot summer heat. My husband has numbered the boards with windows for future use.
      by
      Response from Sika Retail RepApr 8, 2021
      Thank you for being a Rmax customer. SikaRetail
        • Recommended
        6 found this review helpful
        Easy to cut and didn't make a mess. Used it for my garage door and didn't break when I slightly b...
        Easy to cut and didn't make a mess. Used it for my garage door and didn't break when I slightly bent it during installation. Cut the temperature down at least 10 degrees since my garage door faces south.
        by
        • Verified Purchase
        • Recommended
        7 found this review helpful
        I used the board to outline the floor of my John boat. I found out from b 4 that it is water and ...
        I used the board to outline the floor of my John boat. I found out from b 4 that it is water and weather proof. The plywood was worn out and i ralized it was 2 heavy. I came up with the idea to usr the foam board. I cut it 2 fit n between the ridges and use l clamps 2 hold it down. It really made me believe thst it csn b used 4 more than you think.
        by
        • Verified Purchase
        • Recommended
        3 found this review helpful
        good product...fixed my problem with easy install.
        good product...fixed my problem with easy install.
        by
        • Verified Purchase
        • Recommended
        1 found this review helpful
        I actually used this product to insulate three bedroom windows. It has really helped to insulate...
        I actually used this product to insulate three bedroom windows. It has really helped to insulate the room.
        by
        • Verified Purchase
        • Recommended
        6 found this review helpful
        We had not trouble at all installing this on the ceiling of our new building. We would buy it ag...
        We had not trouble at all installing this on the ceiling of our new building. We would buy it again for our next project.
        by
        • Verified Purchase
        • Recommended
        4 found this review helpful
        Installed under sheet metal deck roof. Effectively keeps the deck cool in direct sun and prevent...
        Installed under sheet metal deck roof. Effectively keeps the deck cool in direct sun and prevents condensation from wetting the framing and deck.
        by
        • DIY
        • Verified Purchase
        • Recommended
        8 found this review helpful
        Very deceptive. I live 2 hours away and purchased the item online and then drove to pick the item...
        Very deceptive. I live 2 hours away and purchased the item online and then drove to pick the item up. The way it is listed it certainly appears the borders is 3&1-2in board, I know this is not just my stupidity because when I went to pick it up the customer service person made the same analysis. certainly would not have driven 2 hours for 1/2in thick board.
        by
        • Verified Purchase
        7 found this review helpful
        Made a great Design Board!
        Used two boards and taped them together with duct tape, stood them up and pin my quilt fabrics to them so I can see my design before sewing it! Works out great!
        by
        • Pro
        • Verified Purchase
        • Recommended
        15 found this review helpful
        Good product
        Reading reviews of others' problems with this product, I wanted to go with GAF. Unfortunately it was not available and I had a time constraint and couldn't wait; I got the Rmax. Don't use a razor, you'll make a mess, doesn't cut well at all with razor. Can't score and snap either. Looked for alternatives; hand saw didn't work (some have said a circular saw worked - didn't try it), sharpened putty knife etc. didn't work. Nothing worked well till I tried a 9" serrated kitchen knife. Works like a charm! Clean cuts, very little mess Also, Rmax must have listened to quality complaints because I had no voids. They were square with consistent thickness. R value of 3.2 for 1/2", not bad at all. This also works well laid in front of a window. I helped cut down the heat till I could put window treatments back up. This product worked well for me, easy to work with, stayed flat, quality was good. Product is made in U.S.A. so shouldn't have to worry about toxic foreign products.
        by
        • DIY
        • Recommended
        60 found this review helpful
        Showing 1-10 of 270 reviews

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        Product Thickness (in.)0.5 in0.5 in1 in2 in
        Insulation R-ValueR3R3.2R5R10
        Insulation LocationExterior Sheathing2x4 Wall,2x6 Wall,Attic,Basement,Ceiling Insulation,Crawlspace,Exterior Sheathing,Garage,Re-SidingExterior WallExterior Sheathing
        Insulation FeaturesFormaldehyde FreeFormaldehyde FreeFormaldehyde FreeFormaldehyde Free
        Faced or UnfacedUnfacedFacedUnfacedUnfaced
        Sheathing TypeXPSISOXPSXPS
        Pack Size14848
        THD SO SKU192627 1000203202
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