CORPS OF ENGINEERS SPECS   COMPOSEAL 40 meets the Corps of Engineering specifications for PVC plastic flexible shower pan membrane as specified in para 5.8.3.2 15 pl-18. COMPOSEAL 40 further meets the requirements of FHA Publication 4900.1 Appendix D, Chapter 615-5 per Corps of Engineers CE 300.01, for hydrostatic pressure, alkali, micro-organism, indentation and folding resistance. The testing on COMPOSEAL 40 was carried out as follows: (1) United States Testing Co., Inc. reports #LA 62554, 9/24/86; #LA 21280, 9/28/82; and #LA 20612, 4/26/82. (2) Smith-Emery Co., File #2747, 4/27/82. (3) Our research labs in Virginia. The results of the tests specified by the Corps of Engineers are as follows: 5.8.3.2 Standard COMPOSEAL 40 Testing done a. ASTM D638 Ultimate tensile strength 2600 psi 2609 psi (1) * Ultimate elongation (before breaking) 398% 398% (1) * b. ASTM D1004 Tear strength 300lbs 310 lbs (1) c. ASTM D568 Flammability non-burning non-burning (3) d. ASTM E96 0.008 0.008 (2) e. Other Properties Specific Gravity 1.29 g/cm 1.29 g/cm (3) PVC Solvent weldable weldable (2) Cold Crack -530 F -530 F (1) Dimensional Stability -2.5 % -2.5 % (1) f. ASTM D2240 Durometer Hardness (Shore A) 89 89 (1)   *ASTM D412 test procedure was used here in accordance with the ASTM D4551 overall revised standard for flexible PVC membrane, and is equivalent to D638 for these two tests. 5.8.3.2 Non plasticized Polyvinyl Chloride (PVC) Shower Pan Material. Material shall consist of a plastic waterproofing membrane in sheet form, which can be shaped into a shower pan. The material shall be 0.040 inch minimum thickness of non-plasticized PVC. The material shall have the properties listed above and meet the typical values for the listed ASTM Test Methods.

 

 

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