#1 Home Improvement Retailer

Internet #313135888

Model # 21913

Store SKU #1005400093

0079941219130

Extreme 1 gal. Gray Masonry Waterproofer

  • Smooth, easy to apply by brush, roll or commercial sprayer
  • Interior/exterior, above/below grade, ready-mixed Gray
  • Withstands Cat 4 Hurricane force wind. 15psi Hydrostatic pressure
$ 32 48

Frequently Bought Together

Frequently Bought Together

Product Overview

  • Smooth, easy to apply by brush, roll or commercial sprayer
  • Interior/exterior, above/below grade, ready-mixed Gray
  • Withstands Cat 4 Hurricane force wind. 15psi Hydrostatic pressure
DRYLOK Extreme latex base masonry waterproof coating is ideal for interior, exterior, above or below grade masonry walls, basement walls, foundations, landscape walls, cinder blocks, concrete blocks, bare concrete swimming pools, stucco and brick. Features Flexible Encapsulated Polymers for a beautiful, smooth waterproof finish. Specially formulated to resist mildew growth, with the incorporation of a non-hazardous green biocide, on the dry paint film. DRYLOK Extreme withstands up to 15 lbs. of hydrostatic pressure, which is equivalent to a 33 ft. high wall of water. Fully transferable 15-years warranty. Tested to ASTM D-7088 Resistance to Hydrostatic Pressure and ASTM D-6904 Resistance to Wind Driven Rain.
  • Smooth, gray, ready-to-use formula needs no premixing
  • 1 gal. covers up to 100 sq. ft.
  • Resists mildew growth on the dry paint film
  • Withstands up to 15 psi of pressure, equivalent to a wall of water 33 ft. high
  • Fully transferable 15-years warranty, guaranteed to stop water, even under pressure
  • Reduces radon gas penetration
  • With stands 98 mph wind driven rain
  • Cleans up with soap and water
  • Online price includes PaintCare fee in the following states: CA, CO, CT, DC, ME, MN, OR, RI, VT, WA
  • California residents see Prop 65 WARNINGS

Product Overview

  • Smooth, easy to apply by brush, roll or commercial sprayer
  • Interior/exterior, above/below grade, ready-mixed Gray
  • Withstands Cat 4 Hurricane force wind. 15psi Hydrostatic pressure
Model #: 21913
Sku #: 1005400093
Internet #: 313135888

DRYLOK Extreme latex base masonry waterproof coating is ideal for interior, exterior, above or below grade masonry walls, basement walls, foundations, landscape walls, cinder blocks, concrete blocks, bare concrete swimming pools, stucco and brick. Features Flexible Encapsulated Polymers for a beautiful, smooth waterproof finish. Specially formulated to resist mildew growth, with the incorporation of a non-hazardous green biocide, on the dry paint film. DRYLOK Extreme withstands up to 15 lbs. of hydrostatic pressure, which is equivalent to a 33 ft. high wall of water. Fully transferable 15-years warranty. Tested to ASTM D-7088 Resistance to Hydrostatic Pressure and ASTM D-6904 Resistance to Wind Driven Rain.

  • Smooth, gray, ready-to-use formula needs no premixing
  • 1 gal. covers up to 100 sq. ft.
  • Resists mildew growth on the dry paint film
  • Withstands up to 15 psi of pressure, equivalent to a wall of water 33 ft. high
  • Fully transferable 15-years warranty, guaranteed to stop water, even under pressure
  • Reduces radon gas penetration
  • With stands 98 mph wind driven rain
  • Cleans up with soap and water
  • Online price includes PaintCare fee in the following states: CA, CO, CT, DC, ME, MN, OR, RI, VT, WA
  • California residents see Prop 65 WARNINGS

Info & Guides

You will need Adobe® Acrobat® Reader to view PDF documents. Download a free copy from the Adobe Web site.

Compare Similar

Compare Similar Products
Brand BEHR PREMIUM DRYLOK DRYLOK DRYLOK
Name 1 Gal. Concrete and Masonry Bonding Primer Extreme 1 gal. Gray Masonry Waterproofer 35 lb. White Powdered Masonry Waterproofer 1 gal. Floor and Wall Masonry Waterproofer
Price
$21.98
$32.48
$34.98
$39.98
Ratings (370) (23) (23) (52)
Container Size 1 Gallon 1 Gallon 3 Gallon 1 Gallon
Transparency Clear Solid Solid Clear
Surface Location Basement Floor,Basement Wall,Exterior Wall,Garage Floor,Garage Wall Basement Wall,Exterior Wall,Garage Wall,Pool Basement Wall,Garage Wall Basement Floor,Basement Wall,Exterior Wall,Garage Wall
Paint/Stain Features Dries Clear Mildew Resistant,Mold Resistant,Tintable,Waterproof Low Odor,Textured Abrasion Resistant,Dries Clear,High Foot Traffic,Mildew Resistant
Stain & Sealer In One No No No No
Base Material Acrylic Acrylic Other Acrylic
View Product View Product View Product View Product

Specifications

Dimensions

Container Size
1 Gallon
Coverage Area (sq. ft.)
100

Details

Application Method
Brush,Paint Sprayer,Roller
Base Material
Acrylic
Coating Product Category
Waterproofer/Sealer
Color/Finish
Gray
Dry To Touch Time (hh:mm)
00:45
Interior/Exterior
Exterior,Interior
Maximum Optimal Temperature (F)
90
Maximum hydrostatic pressure (lb.)
15
Minimum Optimal Temperature (F)
50
Number per Package
1
Paint/Stain Features
Mildew Resistant,Mold Resistant,Tintable,Waterproof
Paint/Stain/Waterproofer Product Type
Concrete Waterproofer/Sealer
Recommended Number of Coats
2
Returnable
90-Day
Stain & Sealer In One
No
Substrate/Surface Usage Type
Brick,Concrete,Stone,Stucco
Surface Location
Basement Wall,Exterior Wall,Garage Wall,Pool
Transparency
Solid
Vertical/Horizontal
Vertical

Specifications

Dimensions

Container Size
1 Gallon
Coverage Area (sq. ft.)
100

Details

Application Method
Brush,Paint Sprayer,Roller
Base Material
Acrylic
Coating Product Category
Waterproofer/Sealer
Color/Finish
Gray
Dry To Touch Time (hh:mm)
00:45
Interior/Exterior
Exterior,Interior
Maximum Optimal Temperature (F)
90
Maximum hydrostatic pressure (lb.)
15
Minimum Optimal Temperature (F)
50
Number per Package
1
Paint/Stain Features
Mildew Resistant,Mold Resistant,Tintable,Waterproof
Paint/Stain/Waterproofer Product Type
Concrete Waterproofer/Sealer
Recommended Number of Coats
2
Returnable
90-Day
Stain & Sealer In One
No
Substrate/Surface Usage Type
Brick,Concrete,Stone,Stucco
Surface Location
Basement Wall,Exterior Wall,Garage Wall,Pool
Transparency
Solid
Vertical/Horizontal
Vertical

Questions & Answers

Can it be used on outdoor patio?

Asked by: JoeYanks
Yes, if it is on concrete or brick.
Answered by: Mick
Date published: 2021-03-06

can it be applied in 30 degree temp

can it be applied in 30 degree temp
Asked by: Mike
Worked like a charm
Answered by: HAROLD
Date published: 2020-12-12

can I use this for floors? I need to seal my porch.

can I use this for floors? I need to seal my porch.
Asked by: Tim
For floors, we have DRYLOK Floor & Wall Masonry Waterproofer, you can find it here: https://www.homedepot.com/p/DRYLOK-1-gal-Floor-and-Wall-Masonry-Waterproofer-20913/205079075. (DRYLOK Original and Extreme are designed for vertical use only) If you decide that you want to paint the DRYLOK Floor & Wall, you can use DRYLOK Concrete Floor Paint or DRYLOK E1 1-Part Epoxy, all available on homedepot.com and in select stores.
Answered by: UGL Customer Care
Date published: 2020-11-08

can it be used inside a fountain? basically underwater?

Asked by: pete
Yes - DRYLOK® Extreme and Original be used for submersion projects. For pools, we recommend using DRYLOK® Extreme. For fish ponds, please use DRYLOK® Original. Be sure to follow all directions and allow an extended drying time before refilling the water.
Answered by: UGL Customer Care
Date published: 2021-01-12
  • y_2021, m_4, d_16, h_17CST
  • bvseo_bulk, prod_bvqa, vn_bulk_3.0.14
  • cp_1, bvpage1
  • co_hasquestionsanswers, tq_19
  • loc_, sid_313135888, prod, sort_[SortEntry(order=NUM_ANSWERS, direction=DESCENDING), SortEntry(order=SUBMISSION_TIME, direction=DESCENDING), SortEntry(order=LAST_APPROVED_ANSWER_SUBMISSION_TIME, direction=DESCENDING), SortEntry(order=LAST_APPROVED_ANSWER_SUBMISSION_TIME, direction=DESCENDING), SortEntry(order=BEST_ANSWER_FEEDBACK_COUNT, direction=DESCENDING), SortEntry(order=POSITIVE_ANSWER_FEEDBACK_COUNT, direction=DESCENDING), SortEntry(order=NUM_ANSWERS, direction=DESCENDING)]
  • clientName_homedepot
  • bvseo_sdk, java_sdk, bvseo-3.1.1
  • CLOUD, getContent, 29ms
  • QUESTIONS, PRODUCT