This Icon identifies Armstrong BioBlock® Plus Ceilings.
Armstrong BioBlock Plus Ceilings:
- Contain a broad spectrum antimicrobial treatment on face and back
- Provides guaranteed resistance against the growth of mold/mildew and Gram-positive and Gram-negative odor/stain-causing bacteria
Ceiling panels treated with BioBlock Plus protection will not favor the development of micro-organisms.
- Controlled laboratory tests have demonstrated the effectiveness of BioBlock Plus application compared to standard, untreated
ceilings. Mold and mildew resistance tested pursuant to ASTM D 3273 method*). These tests are valid for the face and back
of the panel.
- Testing under controlled conditions confirms that BioBlock® Plus Ceilings resist Gram-positive, Gram-negative odor/stain-causing
bacteria
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| The standard “control” ceiling panels received a rating of 0, signifying “heavy growth” (on more than 60% of each specimen). |
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After a 28-day incubation period, a BioBlock Plus ceiling panel received a rating of 10 (D 3273 prescribed rating scale) or
0 (G-21 rating scale), signifying no visible mold growth.
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