R501 leads the industry in R-value
InsulMaster’s R-501 product has decades-long track record of proven success for customers like Autozone, WAL-MART, CVS, Lowe’s, Babies R Us, and many others. It is unique to the marketplace and provides superior performance than traditional urea-formaldehyde foams. NCMA Tek 6-2b publishes industry standard R-values for loose fill and polyurethane foams to range between 4.9 – 5.6 in 8″ cmu at 105 pcf. R501′s wall test for NON-GROUTED 8″ cmu reports an R-value of 11.05 and a structurally GROUTED 8″ wall with a R-value of 5.74.
R-501 is OSHA compliant, odor-free, CFC-free, and has no ozone depleting gasses, making installation environmentally safe. R-501 comes in recyclable containers and is installed by trained professionals.
Incylthane Spec info
InsulMasters has made R501’s third-party testing more accessible to users, so that users of R501 have full knowledge and confidence in the product’s performance claims. Our industry-leading ASTM C236 test, in partnership with The Northwest Concrete Masonry Association, is listed below. This test is now referred to as ASTM C-1363. Underneath the test result you will also find the supporting legal statement from the testing agency, Braun Intertec, supporting the validity and publication of the ASTM C-236 test results.
|ASTM C-236 (1363) Overall R-value of 8″ NON-GROUTED cmu with 100pcf is 11.05:
||Actual C236 Test
|• Extrapolated R-value of 10.5 in 8″ cmu & 19.1 in 12″ cmu at 140pcf:
|• Extrapolated R-value of 20.1 in 12″ cmu at 120pcf:
|ASTM C-518 R-value of 4.63 per inch @ 25°F (Ref “White Foam” page 2)
||Actual C518 Test
|ASTM E-84 Class 1(A) Flame spread 20 Smoke Developed 50 • Code Equivalent to UL 723, NFPA 255, or UBC 8-1
||Actual E84 Test
|ASTM E-119 2.75 hour Fire Rating in NONGROUTED 8″ cmu wall
||Actual E119 Test
|• Note to achieve 4-hour rating add grout according to NCMA Tek notes
|• 4 hour fire rating for 2 hour cmu has been achieved by another manufacture after using a specific GROUTED wall design and/or using a cmu with thicker than standard faceshells to achieve this rating. Please contact for clarity.
|ASTM D-5116 OSHA Compliant
||Actual D5116 Test