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Manhole Rehabilitation > Manhole Rehab Products > Manhole Chimney Sealants

FLEX RIB SEALS
EPDM Rubber Chimney Seal


ADVANTAGES
  • Allows vertical and horizontal movement
  • Provides watertight seal
  • Stainless Steel expansion bands
  • Manual or Hydraulic installation tool
PHYSICAL PROPERTIES

Physical Property ASTM Specification Test Requirement EPDM Performance
Chemical Resistance
1 N Sulfuric Acid
1 N Hydrochloric Acid
D543, at 22ºC
for 48 hours
No Weight loss
No Weight loss
No Weight loss
No Weight loss
Tensile Strength D412 1200 psi 1580 psi
Elongation at Break N/A 350% minimum 500%
Hardness D2240 (shore A durometer) ± 5 from manufacturer's
specified hardness
48 ± 5
Accelerated Aging D573 70° for 7 days Maximum Decrease
15% tensile
20% elongation
10.1% tensile decrease
14.0% elongation
decrease
Compression Set D395, method B, at
70°C for 22 hours
25% maximum 13%
Water Absorption D471, immerse 0.75
by 2 inch specimen
in distilled water at
70°C for 48 hours
10% weight increase
maximum
0.8% weight increase
Ozone Resistance D1149 Rating 0 Rating 0
Low temp. Brittle Point D746 No fracture at -40°C No fracture at -40°C
Tear Resistance D624, method B 200 lb/in. Greater than 210 lb/in

Stainless Steel Expansion Bands - The expansion bands are made from either 304 or 316 stainless steel. Physical properties are listed below.

Physical Property 304 Stainless Steel 316 Stainless Steel
Tensile Strength (minimum) 75,000 psi 75,000 psi
Yield Strength (minimum) 30,000 psi 25,000 psi
Elongation in 2 inches (minimum) 40% 40%



DOWNLOADS
pdf-iconFlex Rib Seals Full Data Sheet
pdf-iconManhole Rehabilitation & Grouting Specifications

 
VIDEO


Manhole Rehabilitation - The Parson Process


IMAGES

FlexRib - Before
Before

FlexRib - AfterAfter

INTERACTIVE CHARTS

Inflow Cost Analysis


Infiltration Cost Analysis
 
 
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