Technical Reference
Complete Technical Specifications by Thickness
Plycem subfloor panels are available in four thickness variants (20mm, 22mm, 25mm, 30mm), all sharing identical composition and performance characteristics scaled to thickness.
Downloads & Resources
Access official product documentation, technical data sheets, and specification templates. Click the button to request any document via email.
| Document | Action |
|---|---|
BQXR.R15140 - Mineral and Fiber Boards (UL Product iQ) | |
Certificate ASTM E84 Costa Rica | |
CERZ.R15140 - Mineral and Fiber Boards (UL Product iQ) | |
Plycem Fiber Cement Panel Brochure (English) | |
Plycem Customer Pricing | |
R15140-Vol1-Sec5-20211005 | |
Technical Data Sheets - Plycem Subfloors |
Material Composition
Primary components: Portland cement (binder), calcium carbonate (filler), cellulose fibers (reinforcement), minor mineral aggregates. The product contains no asbestos and complies with environmental safety regulations.
ASTM C1186-08
Type A, Grade I
ISO 8336:2018
Category A, Class 1, Level 1
Mechanical Properties & Dimensional Stability
All thickness variants share identical composition and performance characteristics, offering superior dimensional stability with 0% moisture movement under tested conditions. Values below apply across the 20mm, 22mm, 25mm, and 30mm product lines.
| Property | Test Standard | Min Value | Max Value | Typical |
|---|---|---|---|---|
| Density | ISO 8336 | 1.00 kg/dm³ | 1.20 kg/dm³ | 1.10 kg/dm³ |
| Flexural Strength (equilibrium) | ISO 8336 / ASTM C1186 | 6.0 N/mm² | 7.0 N/mm² | 6.5 N/mm² |
| Flexural Elastic Modulus (wet) | ASTM C1186 | — | — | 3.5 kN/mm² |
| Total Water Absorption | ISO 8336 | 0% | 10% | 5% |
| Superficial Absorption (Cobb) | Proprietary | 0% | 2.0% | 1.0% |
| Water Absorption (Karsten, 24h) | Proprietary | 0 ml | 0.13 ml | 0.06 ml |
| Total Shrinkage | Proprietary | — | 4.0 mm/m | 2.0 mm/m |
| Moisture Content | Proprietary | — | 10% | 5% |
| Moisture Movement | Proprietary | 0% | 0% | 0% |
| Flame Spread Index | ASTM E-84 | 0 | 25 | 10-15 |
| Smoke Development Index | ASTM E-84 | 0 | 40 | 20-30 |
*ASTM E-84 indices are well within Class A limits (0-25 Flame Spread / 0-450 Smoke Developed).
Dimensions & Weights — 20mm (13/16")
Product Code(s): 960140 / 972254 (T&G)
Thickness
20mm (13/16")
Width
1219mm (48")
Length
2438mm (96")
Weight (kg)
67.88–67.90
Weight (lbs)
149.6
Panels/Pallet
50
Dimensions & Weights — 22mm (7/8")
Product Code(s): 960151 / 971677 (T&G)
Thickness
22mm (7/8")
Width
1219mm (48")
Length
2438mm (96")
Weight (kg)
74.67–74.69
Weight (lbs)
164.7
Panels/Pallet
45
Dimensions & Weights — 25mm (1")
Product Code(s): 960159 / 971829 (T&G)
Thickness
25mm (1")
Width
1219mm (48")
Length
2438mm (96")
Weight (kg)
84.85–84.87
Weight (lbs)
187.1
Panels/Pallet
40
Dimensions & Weights — 30mm (1-3/16")
Product Code(s): 960162
Thickness
30mm (1-3/16")
Width
1219mm (48")
Length
2438mm (96")
Weight (kg)
101.82
Weight (lbs)
224.5
Panels/Pallet
35
Product Codes Reference
Product codes ending in "MH" feature machined tongue-and-groove edges on all four sides, providing mechanical interlocking between adjacent panels. Standard edge panels have square edges suitable for butt joint applications.
| Product Code | Thickness | Edge Profile | Panels/Pallet |
|---|---|---|---|
| 960140 | 20mm | Straight Edge | 50 |
| 972254 | 20mm | Tongue & Groove | 50 |
| 960151 | 22mm | Straight Edge | 45 |
| 971677 | 22mm | Tongue & Groove | 45 |
| 960159 | 25mm | Straight Edge | 40 |
| 971829 | 25mm | Tongue & Groove | 40 |
| 960162 | 30mm | Straight Edge | 35 |