Use and Care Manual

2
• MIXING INSTRUCTIONS: Add DAP® Webpatch™ 90 to water in mixing container at a rate of three
parts powder to one part water. Do not mix more material than can be used in 15 minutes. After mixing,
the material will set in 20 to 30 minutes.
• APPLICATION: With a skim coat of DAP® Webpatch™ 90, fill all broken areas, depressions and cracks
in surface of substrate. Make sure that patch “wets in” properly and uniformly to ensure a good bond.
Level and smooth to a featheredge. For repairs greater than 1/2” in thickness, not to exceed 1”, apply two
coats allowing the first coat to set before applying the second. Do not over trowel.
Substrate Application Guide
Substrates Interior Exterior
Cementitious Surfaces
•
VCT Floor Tile
•
Old Cutback Adhesive
Embossed Tile Sheet Goods
Underlayment Grade Plywood
•
Tile/Terrazzo/Marble
Gypsum Board/Green Board
•
Laminates
Particle Board/Lauan/Chipboard
No products are recommended
Expansion
for use over these substrates
Physical & Chemical Characteristics:
Pot Life: 10 to 15 minutes
Working Time: 15 to 20 minutes
Initial Set: 20 minutes
Final Set: Floorcovering can be applied after 40 minutes
Final Cure: 3 days
Compressive Strength: 2400 psi at 3 days
Cleanup: With warm water immediately after use
Shelf Life: 1 Year when stored in original package and tightly sealed
Packaging:
UPC Size Color Container
10314 4 lb. Off White Tub
10316 8 lb. Off White Tub
63050 25 lb. Off White Bag
63057 32 lb. Off White Pail
63055 50 lb. Off White Bag
MSDS No.: 00071162001
Mixing Ratios and Coverage (sq. ft.):
Webpatch Water 1/16” Thickness 1/8” Thickness
1 lb 5 oz 3-3 1/2 1 1/4-1 3/4
4 lb 20 oz 12-14 5-7
8 lb 2 1/2 pts 24-28 10-14
25 lb 4 qts 75-80 30-45