Fiberglass

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Easily filling gaps with no adhesive or netting, Johns Manville Spider® Plus blow-in insulation uses interlocking fiber technology to fill all gaps and voids quickly.

Johns Manville Spider® Plus Formaldehyde-free™ blow-in fiberglass insulation uses interlocking fiber technology to fill all gaps and voids quickly with no adhesive or netting for a faster installation. Spider Plus provides complete coverage, with no shrinking or settling, resulting in superior thermal performance and sound control. Designed for use in wood- and metal-frame construction, engineered- wood construction and manufactured homes.

Spider Plus 190x122

Advantages
Fast Drying: Dries immediately once installed.
Complete Coverage: Effective in tight spaces, areas with large amounts of cross-bridging or small gaps and voids.
Thermally Efficient:
Effective resistance to heat transfer, with R-values up to R-25 in a 6'' cavity.
Formaldehyde-free: Will not off-gas formaldehyde in the indoor environment.
Sound Control: Reduces sound transmission through exterior and interior walls, floor and ceiling assemblies.
Fire-Resistant: Flame Spread of 25 or less and Smoke Developed of 50 or less.
Resilient Inorganic Glass: No rotting, mildew or deterioration. Also noncorrosive to pipes, wiring and metal studs.

  ASTM Standards   ASTM C764   Type I
  Flame Spread   ASTM E84   ≤ 25
  Smoke Development   ASTM E84   ≤ 50
  Critical Radiant Flux   ASTM E970   > 0.12 W/cm(0.11 Btu/ft2s)
  Water Vapor Sorption   ASTM C1104   5% or less by weight
  Odor Emission   ASTM C1304   Pass
  Corrosiveness   ASTM 665   Pass
  Fungi Resistance   ASTM C1388   Pass
  VOC Emissions   ASTM ES Section 011350   Pass
  Combustion Characteristics   ASTM E136   Pass

Data Sheet
Spider Plus Blow-In Data Sheet

SDS
Spider Plus Blow-In SDS
Spider Plus Blow-In SDS (ES)

Sell Sheet
Spider Plus Blow-In Sell Sheet

Installation Instructions
Spider Plus Consolidated Install Instructions
Spider Plus Consolidated Install Instructions (ES)
Spider Plus Full Install Instructions
Spider Plus Full Install Instructions (ES)

Literature
Product Selector Guide

Case Study
Sleeper House Case Study


JM Blow-In Video


JM Overview Video

Available Documents