Protect Your Metal Roofing Investment . . .
HydroBlock™ Synthetic Felt Underlayment is designed to provide a quality product at an affordable price. HydroBlock™ provides a much higher resistance to tearing, water penetration, and UV radiation, while also providing for quicker and easier installation than traditional organic 30 pound felt.
Give HydroBlock™ a try, you will not be disappointed!
Specifications
| Width |
5 Feet |
4 Feet |
4 Feet |
| Length |
200 Feet |
250 Feet |
125 Feet |
| Thickness |
24 mils |
24 mils |
24 mils |
| Coverage |
10 square |
10 square |
5 square |
| Weight |
27 lbs. |
27 lbs. |
14 lbs. |
| Slip Resistant |
Yes |
Yes |
Yes |
Technical Data
| Waterproof |
BS EN 20811:1922 |
127 lbs/ft2 (6.1 kPa) |
| UV Resistance |
ASTM G154 |
PASS |
| Accelerated Weathering |
ASTM G154 |
PASS |
| Breathability |
ASTM E96-2000 (B) |
36.4g/m2/hr |
| Tensile Strength Longitudinal |
ASTM D4595-86 |
370 N |
| Tensile Strength Transverse |
ASTM D4595-86 |
625 N |
| Elongation @ Max Force (Longitudinal) % |
ASTM D4595-86 |
47.05% |
| Elongation @ Max Force (Transverse) % |
ASTM D4595-86 |
31.13% |
Send me a sample of HydroBlock.