Product Introduction

Petro Sheet

Petro Sheet is a waterproof sheet made by cooling and forming at room temperature by adjusting thickness and length according to specifications after sufficiently penetrating specially pressed central gas into a highly concentrated and improved asphalt compound.

The Petro Sheet is formed with multi-layer waterproof structure and is developed considering work stability, construction feasibility, economy, durability, and deformability according to structure change, so it is a good waterproof sheet with very wide scope.

Petro Sheet has made inroads into the global waterproof material market under its own brand, and is a high-end waterproof sheet currently exported to countries around the world.

Characteristic
    1. Excellent Improved asphalt compound
  • Through a thorough experiment, the company produces the best improved asphalt compound that governs the materiality of the waterproof sheet by selecting the appropriate mixing cost Mix Proportions, the use of good raw materials, and the selection of special mixing facilities and mixing conditions.

    2. Excellent durability
  • With the most basic materials to have as a waterproof material, flexibility and elasticity are maintained as much as possible after a long period of time, so they can actively adapt to the changes around the universal structure, such as cracks, vibrations, shrinkage and expansion.

    3. Wide Thermo-sensitivity
  • It is most suitable for domestic climate conditions, where temperature changes are great because it is not broken at low temperatures or flowing at high temperatures.

    4. Excellent elasticity and elongation
  • As with ordinary vulcanized rubber, the restoration of external physical penetration is rapid and the change of structure with excellent extension force is highly adaptable to the change of structure, thus complementing the durability of waterproofing material according to seasonal changes.

    5. Affordable constructivity
  • Because construction is easy by manufacturing to a certain standard, it can produce waterproof effects with the lowest construction cost by minimizing the construction period and the number of people.
Quality Standard

- KS F 4917 (2016) : Improved asphalt waterproof sheet

Classification according to use Exposure Layer Waterproof and Non-exposure layer waterproof Exposure multiple layer waterproof and non-exposure multiple layer waterproof Test Items
Classification according to material composition TYPE A TYPE B TYPE A TYPE B

5.5

Tensile Strength

인장강도

N/

Untreated Above 8.0 Above 2.0 Above 5.0 Above 2.0
After heating Above 80% of untreated test value
After soaking alkali
Coefficient of Expansion % Untreated Above 15 Above 400 Above 15 Above 400
After heating Above 80% of untreated test value
After soaking alkali
Tensile Product N·%/㎜ Untreated Above 250 Above 1,200 Above 200 Above 1,200
Tearing Performance N Above 20

5.6

Heat-Resistance Performance Roll Down Length ㎜ Below 5

5.7

Appearance Will not spill or shoot out
Fatigue Resistance No cracks, no tear, no fracture

5.8

Dimensional stability Dimensional Change Rate %

0.0 ± 1.0

5.9

Appearance No creases, bending, or detachment between layers
Joint Performance N/㎟ Above 5.0 or above 70% of untreated tensile strength

5.10

Pitting Performance No hole

5.11

Type and Standard
Type Composition Standard
(Thickness ㎜×Width m×Length m)
Use Chracteristic

PS-T

2.0×1.0×10~4.0×1.0×10
(Changing sheet specifications)
Roof and Underground water Subway Structure Underground roadway, communal district parking lot Telecommunications, power outlets, excellent tensile strength,
Flexible sheet Suitable for high structures Powerful adhesion, perfect for the structure. Adhesive to form a permanent waterproof layer
1. Polyethylene film
2. Improved Asphaltic Compound
3. Central reinforcement (P.P. Fabric)
4. Improved Asphaltic Compound
5. Releasing Film
6. Overlap Releasing Film

PS-TP

2.0×1.0×10~4.0×1.0×10
(Change sheet specifications)
Important Structure Waterproof Roof and Underground Waterproofing Subway structure. Underground roadway, communal district Parking Lot Cable Tunnel, Power Excellent for fatigue resistance and index stability for repetitive construction of structures Asphalt-friendly by central reinforcement materials preventing separation of the middle
1. Polyethylene film
2. Improved Asphaltic Compound
3. Central reinforcement (Polyester Fabric)
4. Improved Asphaltic Compound
5. Releasing Film
6. Overlap Releasing Film

PS-S

2.0×1.0×10~4.0×1.0×10
(Change sheet specification)
Underground parking lot slabs Waterproof of the large part Waterproof of roof and underground of general buildings Waterproof for all structures Form waterproof layer that is independent from the structurewhile constructed as floating method of construction Excellent heat-resistance, Excellent workability
1. Polyethylene film
2. Improved Asphaltic Combs
3. Central reinforcement
4. Improved Asphaltic Compound
5. Releasing Film
6. Overlap Releasing Film

PS-B

1.6×1.0×10~2.0×1.0×10
(Change sheet specifications)
Roof waterproof construction It is easy to construct on slopes or narrow spaces and can be cut and used.
1. P-P Fabric
2. Improved Asphaltic Compound
3. Central reinforcement (P.P. Fabric)
4. Improved Asphaltic Compound
5. Releasing Film
6. Overlap Releasing Film
Construction Method
    1. Cleaning up the base
  • The base shall be completely dry and free from bumps.
  • The base must be flat and the water gradient should be at least above 1/100.
  • The corner, and the connection shall make an R base.
  • After V-CUT, fill the cracks with the mortar.
  • Do not expose the wires or nails. Clean up any foreign substances on the ground.

    2. Apply Petro Primer
  • Use a brush or roller to evenly apply the Petro Primer.
  • The applied Petro Primer shall not be smeared in the hands.
  • If it rains after applying primer, or left for a long period of time, the primer shall be applied again.

    3. Reinforcement attachment
  • Areas such as corners, drain parts, and Exp-Joints should be sufficiently reinforced before the sheet operation.
  • After verifying that the reinforcement sheet is perfect, perform the sheet work.

    4. Construction of Petro Sheet
  • The construction temperature of the sheet shall not be more than 0°C.
  • Before construction, dry the sheet by identifying the area of the pasting and the area of the construction site.
  • Clip the sheet from a low place to a high place, depending on the flow direction.
  • Extend the sheet, position it, and heat it up to 30cm with a torch, then peel off the sheet.
  • Make sure that the overlapping area of the sheet is not less than 10cm, then peel off the side overlap and use a torch to fully bond.
  • Use a torch to reattach by lifting the sheet with trowel on the parts that are not completely connected.
  • The area where the horizontal floor meets the vertical wall shall be attached at least 10cm above the vertical wall, and the vertical-downward seat shall be lowered by more than 10cm horizontally.
  • The vertical wall area shall be sealed after the sheet has been inserted into the groove of the vertical wall to prevent the sheet from flowing down or separating from the wall.
  • Be careful not to damage the sheet by excessive heat during thermal fusion, and it is ideal if asphalt melts within 2 to 3mm of the end of the overlap after bonding.
  • When the sheet construction is finished, the construction conditions must be re-checked before the protective molding construction.

    5. Finishing
  • When the sheet construction is complete, the horizontal floor shall be protected by at least 30 mm, and the vertical wall side shall be used to prevent damage to the sheet by stacking 0.5B bricks.
  • The slope of the surface shall be more than 1/100 so that the flow of water is smooth.