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Product Introduction

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Exposed Urethane (PUW)

Petro-exposed urethane is a waterproof material developed by supplementing many defect factors such as smell, fire hazard, difficulty of work, and reduced water-resistance reliability in adhering parts of buildings such as apartments, buildings, and houses through waterproof and finishing techniques.

Strengths

Convenient construction.
Less load on the structure.
Creates continuous and seamless waterproof layer.
Durable and water-resistant.
Beautiful color.

Use

Waterproofing of rooftop exposure on buildings such as apartments.
Waterproof for exposures in parking floors
Waterproof for inside and outside walls of buildings

Packaging Unit

Motif(A) : 7kg / CAN
Hardener(B) : 21kg / CAN

Mix Proportion

Motif(A) : Hardener(B) = 1 : 3 = Weight Ratio

Construction Floor Plan

Quality Standard

- KS F 3211 (2015) : Construction Film Waterproofing material

Item				Performance Standard
Tensile Performance Tensile Performance	Tensile Strength Tensile Strength (N/㎜²)			Above 2.5
	Coefficient of Expansion (%)			Above 450
	Tensile Product (N/㎜)			Above 294.2 More than 294.2
Tearing Performance	Tearing Strength (N/㎜)			Above 14.7
Reliability on Temperature	Tensile Strength Ratio (%)	-20 ℃		Above 100 Above 100
	Tensile Strength Ratio (%)	60 ℃		Above 60
	Coefficient of Expansion between engagement portion during ruptureduring Rupture(%)	-20 ℃		Above 250 Above 250
		20 ℃		Above 300 Above 300
		60 ℃		Above 200 Above 200
Heat Expansion Characteristic		Expansion Rate (%)		Above -4, Below 1 Above -4, Below 1
Tensile Performance	Tensile Strength Ratio (%)	Heat Treatment		Above 80, Below 150 Above 80, Below 150
		Promotional Exposure Distance		Above 80, Below 150 Above 80, Below 150
		Alkali Treatment		Above 60, Below 150 Above 60, Below 150
		Acid Treatment Acid Treatment		Above 80, Below 150 Above 80, Below 150
	Coefficient of Expansion (%)	Heat Treatment		Above 400
		Promotional Exposure Treatment		Above 400
		Alkali Treatment		Above 400
		Acid Treatment		Above 400
Deterioration during Elongation		Heat Treatment		There shall be no fractured balance or apparent deformation of any test.
		Promotional Exposure Treatment		There shall be no fractured balance or apparent deformation of any test.
		Ozone Treatment		There shall be no fractured balance of apparent deformation on any test specimen.
Adhesion Performance		Untreated	N/㎜²	Above 0.7
		After Repeated Cold Temperature Treatment	N/㎜²	Above 0.5
		After Repeated Cold Temperature Treatment	Coating State	No lifting or detachment of the coating shall be allowed on any test specimen.
Fatigue Resistance				There shall be no perforation, tear, or fracture of the coating on any test specimen.
Flow Resistance Performance		Flow Length (㎜)		No more than 3 on any test specimen
Flow Resistance Performance		Crease Formation		Not on any test specimen.
Solid (%)				Indicator Value ±3

Construction Method

1. Arranging Grounding Impregnation

Dry enough.
Remove foreign substances such as rust, remains, dust, sand, grease, paint, and etc. by adversely affecting the adhesion of urethane Waterproofing material to the grounding impregnation.
Since there is high risk of leakage around the penetration pipes and drains, remove 3-5 cm groove for sealing.
The drain should be protected with plastic to prevent clogging.
Seal the cracks in the slab and attach the insulation tape.

2. Apply Primer

After arranging the grounding impregnation, apply primer with rollers, brushes, and sprays.
Make sure to not over-apply the primer.
Sufficiently dry and harden to avoid detachment.

3. Mixing Urethane

Combine the subject matter and hardener with the specified mixture ratio.
Use a plastic container with a round bottom and a container with a capacity of appropriately 1.2 times the total amount to mix.
If necessary, add 3-10 percept of the specified solvents according to season and weather. Then, mix sufficiently.
Use a motor stirrer for 5 or more minutes to stir the combined subject and hardener.

4. Apply urethane

Apply urethane from the vertical within the pot time with trowel, brush, or roller.
Second application shall start immediately after the texture dries up (There is a risk of interlayer detachment if the surface becomes contaminated or completely hardened.)
Apply evenly so that bubbles are not created.

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Seoul Office : Tera Tower 2 B-dong, #1304, Munjeong-dong, Songpa-gu, Seoul TEL : 02-3462-9891~5 FAX : 02-3462-7572 EMAIL : petro1@bill36524.com

Yedang Factory : 77 Yedangsandan 4-gil, Godeok-myeon, Yesan-gun, Chungnam TEL : 041-337-9071 FAX : 041-338-9071

Gyeongsan factory : Gongdan 2-ro, Jinryang-eup, Gyeongsan-si, Gyeongsangbuk-do TEL : 053-856-0135 FAX : 053-856-0134