Rainproof-40™
Rainproof-40™ High Performance Roof Underlayment
Rainproof-40 High Performance Roof Underlayment is a cold applied self-adhering SBS modified, rubberized asphalt sheet waterproofing underlayment. Rainproof-40 is internally reinforced with a strong non-woven polyester fabric. The membrane has a white reflective fabric topping. It is used as a complete waterproof roofing underlayment on new and retro-fit* roofs under most roof coverings. Can be used at low slope areas, hip, ridge, valleys, rake edges, confined rake edges, around skylights and chimneys.
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Features & Benefits
- 6 month exposure rating
- Fully self adhered roofing underlayment system
- 2½” zip strip release liner for ease of edge overlap adhesion
- Durable White reflective topping for added footing safety and heat reduction
- Seals around properly installed fasteners
- Can be installed Horizontally or Vertically (as code allows)
- Florida Product Approval FL# 41542
- Miami Dade NOA #22-0425.02
- Can be installed on roof pitches down to 2”/12” (for lower slopes contact your Protecto Wrap Representative.)
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Technical Resources
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