Mastermax 3 Extra

Products: Mastermax 3 Extra | ShingleFol

Triple layer, quality high performance roof underlayment membrane that contains a polypropylene layer protection on both sides. Mastermax 3 Extra is strong, vapour-permeable and UV resistant, providing your property maximum protection against harsh weather conditions. It is tear resistant and extremely pliable, making installation an ease.

PROperties and size

Type	Available Size	Code
Mastermax 3 Extra Roofing	50 m X 1.5 m = 75 m² / 164.04’ X 4.92’= 807.29 ft²	MMR-3050

evaluation report

1.0 INTRODUCTION

Mastermax 3 Extra was evaluated for select physical properties in accordance with ASTM D226 and ASTM D4869 for screening criteria.

2.0 PROCEDURE

The sample was tested in general accordance with the following test methods:

Test Description	Test Method
Average Breaking Strength	ASTM D226 \referencing ASTM D146, Section 13 \referencing ASTM D828 with modification
Pliability at 25°C / 90° bend	ASTM D226
Loss on heating at 105°C	ASTM D226 \referencing ASTM D146, Section 15
Unroll test	Custom test
Tear Strength	ASTM D4860 \referencing ASTM D1922
Liquid Water Transmission Test	ASTM D4869, Section 8.3
Dimensional Stability	ASTM D4869 utilising ASTM F1087

3.0 RESULTS

A summary of test results is presented in Table 1. Detailed test results are described in Appendix
A. SI units are the primary units of measure.

Test Description	Requirement	Results	Comments
Table 1 -Summary of Physical Properties
Breaking Strength, KN/m	5.3 MD	5.3	Pass
Breaking Strength, KN/m	2.6 XD	2.9	Pass
Tearing Strength, N	4 MD	17 MD	Pass
Tearing Strength, N	4 XD	38 XD	Pass
Pliability at 25°C / 90° bend	No cracks when bent against 12.7 mm radius mandrel	No cracks	Pass
Loss on heating at 105°C	<4%	0.09%	Pass
Unroll test	Observe for visual defects	No visual defects	Pass
Liquid Water Transmission Test	No sign of liquid water transmission	None	Pass
Dimensional Stability	<1.75% for type 3 and 4	0.02%	Pass

Water vapour permeance (ng/Pa•s•m2)	≥170	2943

4.0 CONCLUSION

The sample submitted by Masterplast Inc., identified as "MasterMax 3 Extra", meets the breaking strength, pliability and lost of heating requirements set by ASTM D226, Table 1 as a type 1 material when tested as described in this report.

"MasterMax 3 Extra", meets the breaking strength and pliability requirements set by ASTM D4869, Table 1 as a type I material.

"MasterMax 3 Extra" meets the tear strength, loss on heating, liquid water transmission and dimensional stability requirements set by ASTM D4869, Table 1 as a type IV material.

3 Extra -- Roof Underlayment

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