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TPO waterproof membrane

Details:

Description

TPO is a waterproofing sheet, consisting of thermoplastic polyolefin compound resin materials as the base stock, reinforced with polyester mesh fabric. There have two kinds of thickness: 1.2mm and 1.5mm.

Where to use

1>Various roofing waterproof projects, such as industrial and civil buildings, public constructions;

2>Mechanically attached waterproofing system.

Advantages

1>Weather resistance and durability;

2>Excellent weld ability;

3>No any crisp agents to prevent materials brittleness;

4>Intermediate enhanced polyester mesh fabric to have high tensile strength, fatigue resistance and penetrating resistance suitable for mechanically attached roofing systems;

5>Excellent the same high and low temperature resistance as rubber materials which can keep  flexible at -50° C and keep mechanical strength in high temperature;(-60° C----130° C)

6>Excellent chemical resistance to acids, bases, and restaurant exhaust emissions;

7>Dimension stability;

8>White-based light-color and smooth surface with high reflection, energy saving and anti-dust functions;

9>Use heat welding for the seam areas to form a reliable seamless waterproof layer.

Standards(ASTM D6878) 

Typical properties 

Have three type :

type I: no reinforced and surface no non-woven fabric

no.

item

requirement

1

Tensile strengthMPa

12

2

Elongation at reinforcement break%

500

3

Rate of change of heat treatment size%

2.0

4

Brittleness point, max, °C

-40No crack

5

Impermeability

0.3MPa,2h Impermeable

6

Puncture resistance

0.5kg.m Impermeable

type II: surface have non-woven favric

no.

item

requirement

1

Tensile strengthN/CM

200

2

Elongation at reinforcement break%

250

3

Rate of change of heat treatment size%

1.0

4

Brittleness point, max, °C

          -40No crack

5

Impermeability

0.3MPa,2h Impermeable

6

Puncture resistance

0.5kg.m Impermeable

type III:  Internal reinforcedwith tread base

Item

Requirement

Test Method

Thickness, min, mm

Sheet-overall

1.0

ASTM D6878

Coating over fabric or scrim, weathering side only

0.305

ASTM D751

Breaking strength, min, N

976

ASTM D751

Elongation at reinforcement break, min, %

15

ASTM D751

Tearing strengthmin, N

245

ASTM D751

Brittleness point, max, °C

-40

ASTM D2137

Ozone resistance

no cracks

ASTM D1149

Properties after heat aging

Breaking strength, % min

90

ASTM D573

Elongation at reinforcement break, % min

90

ASTM D573

Tearing strength, % min

60

ASTM D573

Weight change (mass), max %

≤±1

ASTM D573

Linear dimensional change, max, %

≤±1

ASTM D1204

Water absorption, max, mass %

≤±3.0

ASTM D471

Factory seam strength, min, N

290

ASTM D751

Weather resistance

Visual inspection

-

Packaging

Rolled with hard materials and packed with plastic bags or woven bags.

Thickness

Roll Size

Rolls / Pallet

Pallets / 20’ Container

1.2 mm

15 m

25

20

20 m2

25

30 m2

25

1.5 mm

15 m

25

20 m2

25

30 m2

23

Above quantities are indicative only. We can produce it according to your demands.

Storage

TPO material should be stored in well-ventilated place and avoid being exposed to the sun or rain. The temperature in stored places can not be higher than 45° C. It only can be put horizontally in five-level. It has to be avoided acid, alkali, oil and organic solvents. The shelf life is 1 year. 

Transportation

TPO material should avoid inclination or lateral drift during transportation. When necessary, covering with felted fabric. 

Application System

Mingqun not only provides TPO waterproofing membrane, but also dedicates to integrated roofing systems. mingqun TPO single ply roofing waterproof system includes mechanically attached roofing system, fully adhered roofing system and ballasted roofing system. But TPO only can be applied by mechanically attached roofing system.  

Oriental mingqun provides the completed line of compatible accessories and components, including fasteners, sealants, adhesives for membrane, cleansers, insulation, vapor retarders and flashing, etc.

Oriental mingqun also provides economical and reliable roofing system designs for our customers according to their demands.

Application Methods

For Mechanically Attached Roofing System

Before application, spread TPO membranes on substrate in advance. Install TPO membranes perpendicular to steel deck ribs on the substrate without distortions according to the flange. The overlapping width is 120 mm. The minimum overlapping distance of membrane short side direction is 50 mm. Fasteners are installed according to designed position. Hot-air welding is adopted for laps with 40 mm welding width.

Attentions

1>TPO membranes reflect heat and light, wearing protective clothing (long-sleeved shirt, long-barreled trousers), and wearing a filter to protect the skin and eyes from UV-induced damage.

2>Security measures for roof perimeter are necessary when application. Sheet surface is slippery when wet, taking care to avoid slide.

3>Sealants and adhesives are flammable containing solvents. They will be dangerous when exposure to heat, even have the possibility to catch fire and explode.

4>Sealants, adhesives, cleaners should be avoided contacting with skin and eyes.

5>No smoking during application.