Product Data Sheet Show all documents
SikaWall®-80 MaxFlash®
SikaWall®-80 MaxFlash®
SikaWall®-80 MaxFlash®
SikaWall®-80 MaxFlash®
SikaWall®-80 MaxFlash®
SikaWall®-80 MaxFlash®

SikaWall®-80 MaxFlash®

Liquid Flashing Membrane

A one-component elastomeric material for use as a flexible waterproofing flashing membrane. SikaWall®-80 MaxFlash complies with building code requirements as listed in CCRR-0255 Code Compliance Research Report. 

  • Can be applied to damp substrates
  • Withstands rainfall immediately after application
  • Up to 180 days UV exposure
  • Fast cure and tack-free time
  • Bonds to a wide range of substrates
  • Does not contain solvents, phthalates or isocyanates.
Product Data Sheet Show all documents

Usage

Flashing membrane for rough openings, small penetrations and as a detailing compound for preparing static sheathing joins up to 1/2" wide for application of Sika Facades and air/water-resistive barrier membranes.   

Advantages

  • Can be applied to damp substrates
  • Withstands rainfall immediately after application
  • Up to 180 days UV exposure
  • Fast cure and tack-free time
  • Bonds to a wide range of substrates
  • Does not contain solvents, phthalates or isocyanates.

Packaging

  • 20 oz. Propack
  • 20 Propacks Per Case

Color

Dark Grey (Charcoal)

Product Details

Product Information

Shelf Life

One (1) year, when unopened and stored as directed.

Storage Conditions

  • Store in original, unopened containers in a cool, dry place away from sources of heat and direct sunlight at a minimum of 40 °F.
  • In cold weather, keep containers at room temperature for at least 24 hours before using.
  • Storage at elevated temperatures over 100 °F will reduce shelf life.

Solid content by volume

99% solids

Volatile organic compound (VOC) content

30 g/l or 0.25 lbs/gal less water and exempt solvents.

Application

Application Information

Substrates

For use over the following exterior wall substrates: Poured concrete/unit masonry, ASTM C1177 type sheathings, including DensGlass™ or DensElement exterior sheathing (sheathing only), eXP™ sheathing, GlasRoc® sheathing, Securock™ glass-mat sheathing, Weather Defense™ Platinum sheathing, GreenGlass® sheathing; PermaBase™ cement-board and other cement-boards (ASTM C1325 Type A Exterior); Untreated Exposure I or exterior plywood sheathing (grade C-D or better), Untreated Exposure I OSB, Zip Sheathing (sheathing only) Pressure and Fire Treated wood sheathing, steel, aluminum; and Sika Facades air/water-resisitve barriers.

Drying Time

Typically skins in 25 to 40 minutes and cures in 4 to 6 hours of application at 75 °F and 50% relative humidity.

  • Warmer and more humid conditions will accelerate curing.
  • Cure times will be extended in dry and cold conditions.
  • SikaWall MaxFlash can be applied to frostfree, dry substrates above 25 °F, but curing will not be initiated until temperature rises and remains above 32 °F.

Test Results

AAMA 714-15 VOLUNTARY SPECIFICATION FOR LIQUID APPLIED FLASHING USED TO CREATE A WATER-RESISTIVE SEAL AROUND EXTERIOR OPENINGS IN BUILDINGS

TEST/METHODCRITERIA RESULT

Peel Adhesion

ASTM C794           

Control AAMA 714 Sec 5.1  

UV Exposure Sec 5.3, ASTM G154
Elevated Temperature AAMA 714 Sec 5.4
Thermal Cycling AAMA 714 Sec 5.5
7 Day Water Immersion AAMA 714 Sec 5.7

Pass - tested over ASTM C1177 sheathing, plywood, OSB, concrete (mortar), CMU, galvanized steel, aluminum

Crack Bridging

AAMA 714 Sec  5.6

ASTM C1305

10 cycles with 1/8” gap and water holdout of 
21.7” (550 mm) for 24 hrs, tested at 60 mils

Pass, no failure

Nail Sealability

AAMA 714 Sec 5.2, modified
ASTM D1970 sec 7.9

No water penetration at galvanized roofing nail penetration under 1.25" (31 mm) head of water
after 24 hrs at 40°F (4°C)

Pass, before and after thermal cycling

Accelerated Aging

AAMA 714 Sec 5.3
ASTM G154, Cycle 1

14 days (336 hrs) to cycle 1 of G154: 8 hrs UV at 140°F (60°C), 4 hrs condensation at 122°F (50°C)

Pass, no deleterious effects such as wrinkling, distortion, blistering, expansion, shrinkage or warpage

Elevated Temperature

AAMA 714 Sec 5.4

Tested at 122°F (50°C), 149 °F (65°C) and 176°F (80°C) for 7 days each

Pass, no deleterious effects such as wrinkling, distortion, blistering, expansion, shrinkage or warpage

Thermal Cycling

AAMA 714 Sec 5.5

10 cycles: 8 hrs at 120°F (50°C) followed by 16 hrs at -40°F (-40°C)

Pass, no deleterious effects such as wrinkling, distortion, blistering, expansion, shrinkage or warpage

Water Immersion

AAMA 714 Sec 5.7

7 days immersed in tap water at 73°F (23°C)

Pass, no deleterious effects such as wrinkling, distortion, blistering, expansion, shrinkage or warpage

Adhesion to Damp Substrates

AAMA 714 Sec 6.1 and 6.2

Minimum 5 pli, over OSB and mortar (absorptive substrates), susbstrate submerged in water for 24 hrs prior to flexible flashing application

Pass

Water Vapor Permeability

AAMA 714 Sec 6.3,
ASTM E96 Method B

Report Value

19.9 perms @ 12 mils
7.2 perms @ 30 mils

Note: All testing with MaxFlash at 12 mils unless otherwise noted

 

ICC-ES AC212 ACCEPTANCE CRITERIA FOR WATER-RESISTIVE COATINGS USED AS WATER-RESISTIVE BARRIERS OVER EXTERIOR SHEATHING

TEST/METHODCRITERIA RESULT

Tensile Bond

ASTM C297, AC 212 Sec 4.1

Minimum 15 psi (103 kPa)

Pass - tested over ASTM C1177 sheathing, plywood, OSB, concrete (mortar), CMU, galvanized steel, aluminum.

Freeze-Thaw

ASTM E 2485 (Method B) AC212 Sec 4.2

No sign of deleterious effects after 10 cycles: 8 hrs at 120°F (49°C), water immersion for 8 hrs, then 16 hrs at-20°F (-29°C)

Pass -no deleterious effects such as cracking, checking, crazing or erosion, viewed at 5x magnification.

Water Resistance

ASTM D2247, AC212 Sec 4.3

No deleterious effects after 14-day Exposure to 100% RH at 100°F (38°C)

Pass -no deleterious effects such as cracking, checking, crazing or erosion.

Water Vapor Permeability

ASTM E96 Method B
AC212 Sec 4.4

Report Value

19.9 perms @ 12 mils
7.2 perms @ 30 mils

Water Penetration

ASTM E331, AC212 Sec 4.5

No water penetration at 2.86 psf (137 Pa) pressure differential for 15 minutes

Pass, testing performed with MaxFlash exposed over sheathing joints; also passes at 6.24 psf (299 Pa) and 12 psf (575 Pa)

Sequential Testing: AC212 Sec 4.7
1. Structural-ASTM E 1233 Procedure A
2. Racking- ASTM E 72
3. Restrained Environmental Conditioning-ICC-ES AC-212
4. Water Penetration-ASTM E 331

No Cacking at Joints or Interface of Flashing
No Water Penetration after 15 min @ 2.86 psf
(137 Pa) 

No cracking at joint or interface of flashing and no water penetration at 2.86 psf (137 Pa), 6.24 psf (299 Pa) or 12psf (575 Pa)

Sequential Testing - Weathering: AC212 Sec 4.8

1. UV Light Exposure -ICC-ES AC-212 Sec 4.8.1

2. Accelerated Aging-ICC-ES AC-212 Sec 4.8.2

3. Hydrostatic Pressure -AATCC 127-1985

No Cracking or Bond Failure After 210 hrs

  
No Cracking or Bond Failure After 25 cycles

  
No Water Penetration Under 21.7” (550 mm) Head of Water

Pass

Air Permeance of Building Materials

ASTM E2178

Report Value

0.00082 cfm/ft2 @ 1.57 psf (0.00410 L/s-m2 @ 75 Pa), performed

Note: All testing with MaxFlash at 20 mils unless otherwise noted

 

AAMA 711-13 VOLUNTARY SPECIFICATION FOR SELF ADHERING FLASHING USED FOR INSTALLATION OF EXTERIOR WALL FENESTRATION PRODUCTS

TEST/METHODCRITERIA RESULT

Tensile Strength

AAMA 711 Sec 5.1, ASTM D5034

Minimum 2.9 pli, at 12 and 30 mils

Pass

Nail Sealability

AAMA 711 Sec 5.2, modified
ASTM D1970 sec 7.9

No water penetration at galvanized roofing nail penetration under 1.25" (31 mm) head of water

Pass, before and after thermal cycling.

Accelerated Aging

AAMA 711 Sec 5.4
ASTM G154, Cycle 1

14 days (336 hrs) to Cycle 1 of G154: 8 hrs UV at 140°F (60°C), 4 hrs condensation at 122°F (50°C)

Pass, no deleterious effects such as wrinkling, distortion, blistering, expansion, shrinkage or warpage.

Elevated Temperature

AAMA 711 Sec 5.5

Tested at 122°F (50°C),  149°F (65°C) & 176°F ( 80°C) for 7 days each

Pass, no deleterious effects such as wrinkling, distortion, blistering, expansion, shrinkage or warpage.

Thermal Cycling

AAMA 711 Sec 5.6

10 cycles: 8 hrs at 120°F (50°C) followed by 16 hrs at -40°F (-40°C)

Pass, no deleterious effects such as wrinkling, distortion, blistering, expansion, shrinkage or warpage.

Cold Temperature Pliability

AAMA 711 Sec 5.7
ASTM D1970 Sec 7.6

No cracking of 12 or 30 mil samples bent around
1” (25 mm) mandrel at 0°F (-18°C) and -20°F (-29°C)

Pass

Water Immersion

AAMA 711 Sec 5.8

7 days immersed in tap water at 73°F (23°C)

Pass, no deleterious effects such as wrinkling, distortion, blistering, expansion, shrinkage or warpage.

Peeling Resistance

AAMA 711 Sec 5.9, Annex 2

No signs of peeling after 7 days exposure to elevated temperatures at 122°F (50°C), 149°F (65°C) and 176°F (80°C)

Pass

Peel Adhesion

ASTM D3330 Method F

Control AAMA 711 Sec 5.3
UV exposure Sec 5.4, ASTM G154
Elevated temperature AAMA 711 Sec 5.5
Thermal cycling AAMA 711 Sec 5.6
7 day water immersion AAMA 711 Sec 5.8

Pass - tested over ASTM C1177 sheathing, plywood, OSB, PVC, galvanized steel, aluminum

Note: All testing with MaxFlash at 12 mils unless otherwise noted

 

ADDITIONAL TESTING

TEST/METHODCRITERIA RESULT

Air Permeance of Building Materials

ASTM E2178

Report Value

0.00082 cfm/ft2 @ 1.57 psf (0.00410 L/s-m2 @ 75 Pa), performed on free film sample

Air Leakage of Air Barrier Assemblies

ASTM E2357

Report Value

0.00926 cfm/ft2 @ 1.57 psf (0.0463 L/s-m2 @ 75 Pa), tested over C1177 sheathing, sheathing joints and penetration details treated with MaxFlash, no other coating used

Nail Sealability

ASTM D1970 Sec 7.9

3 days at 40°F with 5” (127 mm) head of water

Pass, before and after thermal cycling

Surface Burning

ASTM E84

Report Value

Class A flame spread <25
Class A smoke developed <450                                                  

Tested at 30 mils
Consumption

Coverage

Per Propack 

  • Sheathing Joint: 35-60 Ln Ft at 20 mils (applied 1" on each side of joint)

  • Rough Openings: 12-20 ft2 at 20 mils 

Coverage is approximate, actual result may vary based on rough opening size, application thickness, surface roughness. 
 
Application steps

CLEANING OF TOOLS

Immediately after use, clean equipment with Xylene or other appropriate solvent. Use proper precautions when handling solvents. Remove cured membrane by cutting with a sharp-edged tool. Remove thin films by abrading.

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