Floor Types
Different solutions for different floors.
- Suspended Above-ground floors.
- Slab On-grade concrete.
- Crawl Space Ventilated areas.
- Basement Below-grade floors.
Climate Zones
Hot
Zones 1-2
Mixed
Zones 3-4
Cold
Zones 5-6
Very Cold
Zones 7-8
Thermal Properties
- Material Characteristics R-value/inch: 3.0-7.0. K-factor: 0.1-0.4 BTU·in/hr·ft²·°F. Density: 0.5-8.0 pcf. Specific heat: 0.2-0.5 BTU/lb·°F. Vapor permeance: 0.5-50 perms.
- Heat Transfer U-factor range: 0.02-0.10. Thermal mass: 0.1-2.0 BTU/ft²·°F. Heat flux: 2-8 BTU/hr·ft². Temperature differential: 30-70°F. Time lag: 2-8 hrs.
- Performance Metrics Energy efficiency: 80-95%. Heat retention: 60-85%. Thermal bridging: 5-15%. Surface condensation: 10-30% RH. Aging factor: 0.5-2%/year.
Installation Standards
- Application Methods Compression fit: ±1/4". Vapor barrier: 6 mil poly. Joint overlap: 6-12". Fastener spacing: 12-24". Edge sealing: continuous bead.
- Environmental Controls Substrate temp: 40-100°F. Ambient RH: 30-60%. Ventilation: 4-6 ACH. Cure time: 24-72 hrs. Weather protection: 48 hrs min.
- Quality Assurance Coverage verification: 100%. Thickness gauge: ±1/8". Thermal imaging: ΔT >10°F. Moisture testing: <19%. Bond strength: 20-40 psi.
Material Science
- Insulation Types Fiberglass: R-2.9-3.8/in. Cellulose: R-3.2-3.7/in. Foam board: R-4.0-6.5/in. Spray foam: R-3.6-6.8/in. Mineral wool: R-3.0-4.3/in.
- Physical Properties Compressive strength: 10-100 psi. Water absorption: 0.5-3.0%. Fire rating: Class A-C. Sound reduction: STC 35-60. Impact resistance: 2-8 lb/ft².
- Chemical Stability pH tolerance: 5-9. VOC emissions: <50 g/L. Chemical resistance: Good-Excellent. UV stability: 5-10 years. Oxidation resistance: Class 1-3.
System Integration
- Building Interface Floor assembly: R-19-38. Perimeter isolation: R-10 min. Thermal breaks: 1/2-2". Expansion joints: 20-30 ft. Penetration sealing: fire-rated.
- Mechanical Coordination HVAC clearance: 2-3". Electrical conduit: Schedule 40. Plumbing insulation: 1-2". Duct interaction: R-6-8. Equipment pads: R-5/inch.
- Performance Monitoring Temperature sensors: ±0.5°F. Humidity monitoring: ±2% RH. Heat flux meters: ±5%. Energy audit: annual. Thermal imaging: semi-annual.
Installation Tips
- Vapor Barrier Moisture control.
- Air Sealing Draft prevention.
- Support Proper installation.
- Ventilation Air circulation.
Maintenance
- Inspection Regular checks.
- Moisture Watch for signs.
- Pests Prevention.
- Repairs Timely fixes.