Waterproofing Technology
Comprehensive technical specifications for basement waterproofing systems and materials.
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Membrane Systems
- Thickness: 40-60 mil
- Tensile Strength: 1,500 psi
- Elongation: 300-500%
- Hydrostatic Resistance: 100 psi
- Vapor Permeance: 0.1 perms
- Chemical Resistance: pH 3-11
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Crystalline Systems
- Penetration: 2-3 inches
- Compressive Strength: 7,000 psi
- Water Pressure: 460 ft head
- Set Time: 2-4 hours
- Bond Strength: 400 psi
- Coverage: 1.5 lb/yd²
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Drainage Components
- Flow Rate: 18 gpm/ft
- Compressive Strength: 15,000 psf
- Core Type: Dimpled HDPE
- Filter Fabric: 4.5 oz/yd²
- Transmissivity: 21 gpm/ft
- Service Life: 50+ years
Installation Standards
Critical specifications for proper waterproofing system installation:
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Surface Preparation
- Concrete Cure: 28 days min
- Surface Profile: CSP 3-5
- Moisture Content: <4%
- Crack Treatment: >1/16"
- pH Level: 7-9 optimal
- Temperature: 40-90°F
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Application Methods
- Primer Coverage: 200-300 ft²/gal
- Membrane Overlap: 6 inches
- Corner Treatment: 2" radius
- Termination Bar: 6" o.c.
- Protection Board: 1/8-1/4"
- Drainage Mat: 1/2" min
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Quality Control
- Film Thickness: ±10%
- Adhesion Test: 3.0 N/mm²
- Holiday Testing: 100V/mil
- Water Testing: 24 hours
- Documentation: ASTM D5957
- Inspection Points: 12 min
System Performance
Key specifications for waterproofing system effectiveness:
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Environmental Factors
- Groundwater Level: -4 ft min
- Soil pH Range: 5-8
- Frost Depth: Local code
- Radon Resistance: Class A
- UV Exposure: 30 days max
- Chemical Exposure: Class C
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Drainage Design
- Pipe Size: 4" minimum
- Slope: 1/8" per foot
- Sump Capacity: 25 gal/min
- Filter Fabric: AOS 70-100
- Gravel Layer: 12" depth
- Cleanout Access: 50' max
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Maintenance Requirements
- Inspection: Semi-annual
- Pump Testing: Quarterly
- Drain Cleaning: Annual
- Seam Check: 2 years
- Recoating: 10-15 years
- System Life: 25-30 years