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Asphalt, Concrete & MasonryBathroom PlumbingCaulking & SealantsEmergency SuppliesExterior PaintGreat StuffInsulationInterior PaintPaint PrimersPaint Supplies & ToolsProjectsRoofingSealants, Fillers and AdhesivesSpecialty PaintSpray PaintStorm & Flood PrepTile Tools & MaterialsWaterproofers and SealersWinter PrepWood Stains, Coatings & Finishes
Block Sealer(381)
Uses item details. Price when purchased online
Black Diamond Granite Sealer – Seals and Protects Stone Countertops Without Changing Appearance – Guards Against Food, Oil & Water Stains – For Granite, Marble, Travertine & More – 1 Gallon $96.65
Sponsored
$9665
current price $96.65Black Diamond Granite Sealer – Seals and Protects Stone Countertops Without Changing Appearance – Guards Against Food, Oil & Water Stains – For Granite, Marble, Travertine & More – 1 Gallon
Seal it Green Extreme Grout Sealer and Tile Sealant Heavy Duty Clear Stain Blocker Zero VOC Non Toxic Granite Sealer Half Gallon From $49.77
Sponsored
From$4977
Seal it Green Extreme Grout Sealer and Tile Sealant Heavy Duty Clear Stain Blocker Zero VOC Non Toxic Granite Sealer Half Gallon
44 out of 5 Stars. 4 reviews
Seal Spray Fire/Flame, Smoke, and Sound Block 23.4oz Gun Foam - Case Of 12 $134.99
Sponsored
$13499
current price $134.99Seal Spray Fire/Flame, Smoke, and Sound Block 23.4oz Gun Foam - Case Of 12
33.7 out of 5 Stars. 3 reviews
Seal Spray Fire/Flame, Smoke, and Sound Block 23.4oz Gun Foam - Case Of 12, 1 Gun, 1 Can Of Cleaner $174.99 Was $204.00
Sponsored
Now$17499
current price Now $174.99, Was $204.00$204.00
Seal Spray Fire/Flame, Smoke, and Sound Block 23.4oz Gun Foam - Case Of 12, 1 Gun, 1 Can Of Cleaner
Hapco 616, Block Sealer Industrial Sealant $34.99
$3499
current price $34.99Hapco 616, Block Sealer Industrial Sealant
15 out of 5 Stars. 1 reviews
1 gal UGL 27513 White Drylok Original Concrete & Masonry Waterproofer $56.37
$5637
current price $56.371 gal UGL 27513 White Drylok Original Concrete & Masonry Waterproofer
164.7 out of 5 Stars. 16 reviews
Best seller KILZ 2® All-Purpose Interior/Exterior Water-Based Stainblocking Primer, Quart From $9.97
5 options
Available in additional 5 optionsFrom$997
KILZ 2® All-Purpose Interior/Exterior Water-Based Stainblocking Primer, Quart
37784.6 out of 5 Stars. 3778 reviews
500+ bought since yesterday GE Big Gaps & Cracks Insulating Foam, Pack of 1, Yellow 12 oz Can From $4.48
11 options
Available in additional 11 optionsFrom$448
GE Big Gaps & Cracks Insulating Foam, Pack of 1, Yellow 12 oz Can
16314.5 out of 5 Stars. 1631 reviews
United Gilsonite Drylok Extreme Masonry Waterproofer Concrete Sealer $61.54
$6154
current price $61.54United Gilsonite Drylok Extreme Masonry Waterproofer Concrete Sealer
214.2 out of 5 Stars. 21 reviews
Best seller Clear-Seal, Seal-Krete Gloss Concrete Protective Sealer-607001, Gallon From $38.97
2 options
Available in additional 2 optionsFrom$3897
Clear-Seal, Seal-Krete Gloss Concrete Protective Sealer-607001, Gallon
2384.3 out of 5 Stars. 238 reviews
Stormdry Brick Sealer (1.5 Gallon) - Clear Exterior Brick, Stone, Concrete & Masonry Waterproofer - 25-Year Certified Waterproofing Protection Against Penetrating Damp From $44.99
Sponsored
From$4499
Stormdry Brick Sealer (1.5 Gallon) - Clear Exterior Brick, Stone, Concrete & Masonry Waterproofer - 25-Year Certified Waterproofing Protection Against Penetrating Damp
354.4 out of 5 Stars. 35 reviews
Rainguard Water Sealers Brick Sealer, Penetrating Protection Against Rain and Moisture Damage, For All Brick and Mortar Surfaces, Silane/Siloxane Waterproofer, Natural Finish, Makes 1 Gallon From $18.99
Sponsored
From$1899
Rainguard Water Sealers Brick Sealer, Penetrating Protection Against Rain and Moisture Damage, For All Brick and Mortar Surfaces, Silane/Siloxane Waterproofer, Natural Finish, Makes 1 Gallon
94.6 out of 5 Stars. 9 reviews
Best seller Olympic Quick Cover 1 Gallon Clear Exterior Wood Sealer $14.84 $14.84/gl
$1484
current price $14.84$14.84/gl
Olympic Quick Cover 1 Gallon Clear Exterior Wood Sealer
1354.5 out of 5 Stars. 135 reviews
Quikrete Mortar Repair 10 Oz Pack of 1
2 options
Available in additional 2 optionsQuikrete Mortar Repair 10 Oz Pack of 1
164.8 out of 5 Stars. 16 reviews
UGL - Drylok - Gray -Basement & Masonry Waterproofer - for Stopping Water Leaks & Dampness - Interior - Exterior Latex Base - Sandy Texture, Tintable 1 Gallon $52.84
$5284
current price $52.84UGL - Drylok - Gray -Basement & Masonry Waterproofer - for Stopping Water Leaks & Dampness - Interior - Exterior Latex Base - Sandy Texture, Tintable 1 Gallon
114.3 out of 5 Stars. 11 reviews
100+ bought since yesterday Würth 12oz Expanding Foam Sealant for Big Gaps up to 3 inches - Insulating Spray Foam From $4.48
6 options
Available in additional 6 optionsFrom$448
Würth 12oz Expanding Foam Sealant for Big Gaps up to 3 inches - Insulating Spray Foam
12064.5 out of 5 Stars. 1206 reviews
Masonry Defender, Satin Acrylic, Clear Reducing Brick Dust Industrial Sealant, 8.75 lbs 1 Gal $37.49
$3749
current price $37.49Masonry Defender, Satin Acrylic, Clear Reducing Brick Dust Industrial Sealant, 8.75 lbs 1 Gal
KILZ 3 Premium Multi-purpose Interior/Exterior Wall and Ceiling Primer - Water-Based 1 Gallon From $14.97
3 options
Available in additional 3 optionsFrom$1497
KILZ 3 Premium Multi-purpose Interior/Exterior Wall and Ceiling Primer - Water-Based 1 Gallon
14264.7 out of 5 Stars. 1426 reviews
Best seller Olympic Quick Cover 1 Gallon Clear Exterior Multi-Surface Sealer $13.84 $13.84/gl
$1384
current price $13.84$13.84/gl
Olympic Quick Cover 1 Gallon Clear Exterior Multi-Surface Sealer
944.5 out of 5 Stars. 94 reviews
GE Gaps & Cracks Insulating Foam, Pack of 1, Yellow 12 oz Can From $4.48
6 options
Available in additional 6 optionsFrom$448
GE Gaps & Cracks Insulating Foam, Pack of 1, Yellow 12 oz Can
11814.4 out of 5 Stars. 1181 reviews
Rainguard Brick Sealer - Ready to Use Penetrating Water-Based Silane Siloxane Waterproofer for Brick, Mortar & Masonry - Water and Salt Repellent - Natural Finish, 1 Gallon From $16.78
Sponsored
From$1678
Rainguard Brick Sealer - Ready to Use Penetrating Water-Based Silane Siloxane Waterproofer for Brick, Mortar & Masonry - Water and Salt Repellent - Natural Finish, 1 Gallon
74.9 out of 5 Stars. 7 reviews
Rainguard Water Sealers Brick Sealer, Penetrating Protection Against Rain and Moisture Damage, For All Brick and Mortar Surfaces, Silane/Siloxane Waterproofer, Natural Finish, Makes 1 Gallon From $18.99
2 options
Available in additional 2 optionsFrom$1899
Rainguard Water Sealers Brick Sealer, Penetrating Protection Against Rain and Moisture Damage, For All Brick and Mortar Surfaces, Silane/Siloxane Waterproofer, Natural Finish, Makes 1 Gallon
94.6 out of 5 Stars. 9 reviews
Stormdry Brick Sealer (1 Quart) - Clear Brick, Stone, Concrete & Masonry Waterproofer - 25-Year Certified Waterproofing Protection Against Penetrating Damp From $44.99
2 options
Available in additional 2 optionsFrom$4499
Stormdry Brick Sealer (1 Quart) - Clear Brick, Stone, Concrete & Masonry Waterproofer - 25-Year Certified Waterproofing Protection Against Penetrating Damp
354.4 out of 5 Stars. 35 reviews
Uni-Seal Max Concrete & Masonry Sealant - Water Based Siliconate, Clear, 1 Gal Residential Use, Standard Application $46.85
$4685
current price $46.85Uni-Seal Max Concrete & Masonry Sealant - Water Based Siliconate, Clear, 1 Gal Residential Use, Standard Application
Drylok Clear Latex Masonry Waterproof Sealer 1 gal. $47.50
$4750
current price $47.50Drylok Clear Latex Masonry Waterproof Sealer 1 gal.
Quikrete Gray Mortar Sealant 5.5 oz $9.19 Was $36.47
Now$919
current price Now $9.19, Was $36.47$36.47
Quikrete Gray Mortar Sealant 5.5 oz
124.8 out of 5 Stars. 12 reviews
Rain Guard Concrete Sealer Concentrate | Makes 1 Gallon | Natural Finish | Deep Penetrating Protection Against Water and Salt Damage for All Concrete Surfaces | Silane/Siloxane Waterproofer From $16.14
5 options
Available in additional 5 optionsFrom$1614
Rain Guard Concrete Sealer Concentrate | Makes 1 Gallon | Natural Finish | Deep Penetrating Protection Against Water and Salt Damage for All Concrete Surfaces | Silane/Siloxane Waterproofer
504.3 out of 5 Stars. 50 reviews
MasonryDefender Brick, Stone & Concrete Sealer - Transparent Waterproof Masonry Sealer - 2.5 Gallon $83.98
$8398
current price $83.98MasonryDefender Brick, Stone & Concrete Sealer - Transparent Waterproof Masonry Sealer - 2.5 Gallon
14 out of 5 Stars. 1 reviews
Sakrete Tube Siliconized Concrete & Mortar Repair Industrial Sealant, 10.3 Oz. $10.91
$1091
current price $10.91Sakrete Tube Siliconized Concrete & Mortar Repair Industrial Sealant, 10.3 Oz.
64.7 out of 5 Stars. 6 reviews
Rainguard Brick Sealer Spray, Penetrating Water-Based Silane Siloxane Waterproofer, Water & Salt Repellent for Brick, Mortar & Masonry, Natural Finish, Ready to Use, 16 Oz From $16.78
4 options
Available in additional 4 optionsFrom$1678
Rainguard Brick Sealer Spray, Penetrating Water-Based Silane Siloxane Waterproofer, Water & Salt Repellent for Brick, Mortar & Masonry, Natural Finish, Ready to Use, 16 Oz
74.9 out of 5 Stars. 7 reviews
Olympic Wood Protector Cedar Solid Exterior Wood Stain and Sealer, 1 Gallon From $34.94
From$3494
Olympic Wood Protector Cedar Solid Exterior Wood Stain and Sealer, 1 Gallon
3054.3 out of 5 Stars. 305 reviews
Best seller WaterGuard 11 oz. Clear Exterior Waterproofing Wood Sealer Spray From $6.48
3 options
Available in additional 3 optionsFrom$648
WaterGuard 11 oz. Clear Exterior Waterproofing Wood Sealer Spray
724.4 out of 5 Stars. 72 reviews
White, Zinsser HIDZ Multi-Purpose Primer & Sealer-373358, 1 gal $23.98 Was $40.90 $23.98/gl
Now$2398
current price Now $23.98, Was $40.90$40.90
$23.98/gl
White, Zinsser HIDZ Multi-Purpose Primer & Sealer-373358, 1 gal
604.8 out of 5 Stars. 60 reviews
Thompson's WaterSeal Transparent Wood Sealer, Desert Tan, 1 Gallon From $25.94
From$2594
Thompson's WaterSeal Transparent Wood Sealer, Desert Tan, 1 Gallon
2854.4 out of 5 Stars. 285 reviews
Eco Advance Concrete/Masonry Siloxane Waterproofer, Ready-to-Use, 1 Gallon $30.39
$3039
current price $30.39Eco Advance Concrete/Masonry Siloxane Waterproofer, Ready-to-Use, 1 Gallon
184.5 out of 5 Stars. 18 reviews
Thompson's WaterSeal Transparent Wood Sealer, Chestnut Brown, 1 Gallon From $29.94
2 options
Available in additional 2 optionsFrom$2994
Thompson's WaterSeal Transparent Wood Sealer, Chestnut Brown, 1 Gallon
2744.5 out of 5 Stars. 274 reviews
Ames Research Laboratories BWRF5 Water Base Block & Wall Liquid Rubber Coating - 5 Gallon, White $179.00 Was $214.04
Now$17900
current price Now $179.00, Was $214.04$214.04
Ames Research Laboratories BWRF5 Water Base Block & Wall Liquid Rubber Coating - 5 Gallon, White
Ames Block & Wall Liquid Rubber Coating 5 Gallon
Ames Block & Wall Liquid Rubber Coating 5 Gallon
33.7 out of 5 Stars. 3 reviews
Miracle Sealants Grout Sealer, 6 oz- GRTSLR6OZ12
5 options
Available in additional 5 optionsMiracle Sealants Grout Sealer, 6 oz- GRTSLR6OZ12
564.3 out of 5 Stars. 56 reviews
Eco Advance Concrete/Masonry Siloxane Waterproofer, Liquid Concentrate, 16 oz $25.99
$2599
current price $25.99Eco Advance Concrete/Masonry Siloxane Waterproofer, Liquid Concentrate, 16 oz
84.9 out of 5 Stars. 8 reviews
Olympic Wood Protector Cedar Semi-Transparent Exterior Wood Stain and Sealer, 1 Gallon From $34.94
From$3494
Olympic Wood Protector Cedar Semi-Transparent Exterior Wood Stain and Sealer, 1 Gallon
3754.4 out of 5 Stars. 375 reviews
UGL Drylok Clear Natural Look Concrete Sealer - Acrylic Masonry Sealer - 1 Gal Exterior Wood Surfaces, UV-Resistant Formula $48.26
$4826
current price $48.26UGL Drylok Clear Natural Look Concrete Sealer - Acrylic Masonry Sealer - 1 Gal Exterior Wood Surfaces, UV-Resistant Formula
45 out of 5 Stars. 4 reviews
GOODTAKE Polymer Cement & Concrete Waterproof Coating Concrete Sealer for Roof, Basement, Bathroom & Kitchen Fast-Curing, Permanent Waterproof Repair for Concrete & Masonry - 16 oz (500 ml) $27.99
$2799
current price $27.99GOODTAKE Polymer Cement & Concrete Waterproof Coating Concrete Sealer for Roof, Basement, Bathroom & Kitchen Fast-Curing, Permanent Waterproof Repair for Concrete & Masonry - 16 oz (500 ml)
United Gilsonite Lab Drylok Basement & Masonry Waterproofer Concrete Sealer - Single Pack $61.62
$6162
current price $61.62United Gilsonite Lab Drylok Basement & Masonry Waterproofer Concrete Sealer - Single Pack
Drylok 28915 Wet Look Concrete & Masonry Sealer $174.99
$17499
current price $174.99Drylok 28915 Wet Look Concrete & Masonry Sealer
23 out of 5 Stars. 2 reviews
United Gilsonite Lab Drylok Concrete Sealer Protector - Single Pack $48.52
$4852
current price $48.52United Gilsonite Lab Drylok Concrete Sealer Protector - Single Pack
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