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OSI Quad Max 12 -Pack 9.5-oz Window and Door Gray 551 Paintable Advanced sealant Caulk

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4.5

641

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Manufacturer Color/Finish: Gray 551

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Discover mother nature’s worst nightmare: OSI QUAD MAX. The first line of defense against the elements, OSI QUAD MAX Window, Door & Siding Sealant delivers the toughness needed to make a job last. Designed for sealing around exterior/interior windows, doors and siding, QUAD MAX bonds to a wide variety of Primary Window, Door and Siding Building materials such as fiber cement, cedar, brick, stone, coated aluminum, fiberglass, vinyl, PVC, stucco, EIFS, wood, glass, and flashing tapes and Kynar coatings.

Tough Against All Weather: Maximum durability and application performance with strong adhesion to all materials with enhanced resistance to UV, dirt, dust, and extreme temperatures and proven wet surface application
Strong adhesion to primary window, door and siding building materials
100% waterproof with proven wet surface application
Better flexibility: 5x stretch and Class 50 Joint Movement capability
Long-term durability in any condition with no shrinkage or bubbling
24-hour fast cure for quicker protection
Enhanced resistance to UV, dirt, dust, and extreme temperatures (0 Degrees F to 140 Degrees F)
Match with any color: Free online OSI color match tool offers a match for 9,200+ manufacturer colors in 6 easy steps
Quad and Window Door System: Use in conjunction with OSI QUAD Foam and OSI Butyl Flash for the toughest air and moisture barrier to maximize energy efficiency

General
Color/Finish Family	Gray	Product Set Time	8-12 hours
Manufacturer Color/Finish	Gray 551	Paintable	Yes
Series Name	Quad Max	Container Type	Cartridge
Type	Advanced Sealant	Clean-up Method	Mineral spirits
Package Quantity	12	Fire Rated	No
Use Location	Exterior	Caulk Gun Needed	Yes
Unit of Measure Quantity	9.5	Heat Resistance in Degrees F	158
Unit of Measure	Ounce(s)	Paint Ready Time	30-60 minutes
Project Type	Window & door	Water Ready Time	30 minutes or less

Dimensions
Container Size	9.5-oz

Features
Dry to Touch	60 minutes	Sanded/Unsanded	Unsanded
Fire Resistant	No	Self Leveling	No
Mildew Resistant	Yes	Stain Resistant	Yes
Mold Resistant	Yes	Waterproof	Yes
Sandable	No

Certifications
CA Residents: Prop 65 Warning(s)	Prop 65 WARNING(S) -	ASTM Certified	Yes

Warranty
Warranty	None

Compatibility
For Use in Bathrooms	No	For Use on Vinyl	Yes
For Use in Kitchens	No	For Use on Masonry	Yes
For Use on Plastic	Yes	For Use on Doors	Yes
For Use on Stone	Yes	For Use on Tile	No
For Use on Metal	Yes	For Use on Siding	Yes
For Use on Wood	Yes	For Use on Windows	Yes
For Use on Concrete	Yes	For Use on Gutters	Yes
For Use on Drywall	Yes	For Use on Roofing	No
For Use on Glass	Yes	For Use on Trim/Moulding	Yes
For Use on Fiberglass	Yes	For Use on Marine	No

Miscellaneous
UNSPSC	31201600

Check out the Best Selling Caulk on Lowes.com

Review

4.5 out of 5

641 Reviews

91% Recommend this product

Ratings may include incentivized customer reviews.

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+ 16

What Customers Are Saying

Customers overwhelmingly praise this exterior sealant for exceptional durability, with many noting it lasts five times longer than traditional latex caulks and maintains integrity without cracking or shrinking. Reviewers highlight superior performance in cold, wet, and rainy conditions, strong adhesion, and impressive stretchability. Most find it easy to apply, smooth-flowing, and paintable within an hour. Some mention the thicker consistency requires proper tools or extra effort, and a few report isolated cases of dried-out tubes upon arrival. Overall, customers consider it a top-tier sealant that outperforms standard alternatives.

Customer review summary generated by AI, including incentivized reviews.

641 Customer Reviews

Sort By

Great!

It did not workSeptember 30, 2026
From Quad Max 9.5-oz Window and Door White Paintable Advanced sealant Caulk Verified Purchaser

Was this Review Helpful ?

Response from OSI - Henkel Corporation

Thank you for choosing OSI.

OSI - Henkel CorporationOctober 1, 2026

OSI

Sealant works great

Would Recommend

This sealant worked as I expected. Easy to apply and fast curing.

Moe1September 29, 2026
From Quad Max 9-oz Window and Door Clear 000 Paintable Advanced sealant Caulk Verified Purchaser

Was this Review Helpful ?

Response from OSI - Henkel Corporation

Thank you for choosing OSI.

OSI - Henkel CorporationSeptember 30, 2026

OSI

Would Recommend

GREAT STUFF!

QuadSeptember 28, 2026
From Quad Max 9.5-oz Window and Door White Paintable Advanced sealant Caulk Verified Purchaser

Was this Review Helpful ?

Response from OSI - Henkel Corporation

We are glad that you are happy with our product.

OSI - Henkel CorporationSeptember 29, 2026

OSI

Quadddd maxxxx

Would Recommend

I slapped some QUAD MAX on a job today and, by God, I think I just witnessed modern American engineering at its finest.

JimBobSeptember 28, 2026
From Quad Max 9.5-oz Window and Door White Paintable Advanced sealant Caulk Verified Purchaser

Was this Review Helpful ?

Response from OSI - Henkel Corporation

We are glad that you are happy with our product.

OSI - Henkel CorporationSeptember 28, 2026

OSI

Great clarity and cure strength

Would Recommend

The clarity and viscosity are top-tier.

Q SolutionsSeptember 26, 2026
From Quad Max 9-oz Window and Door Clear 000 Paintable Advanced sealant Caulk Verified Purchaser

Was this Review Helpful ?

Response from OSI - Henkel Corporation

Thank you for being a valued OSI customer.

OSI - Henkel CorporationSeptember 28, 2026

OSI

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		Name	Current Item OSIQuad Max 12 -Pack 9.5-oz Window and Door Gray 551 Paintable Advanced sealant Caulk
		Ratings	641
		Waterproof
		Type	Advanced Sealant
		Paintable
OSIQuad Max 12 -Pack 9.5-oz Window and Door Gray 517 Paintable Advanced sealant Caulk	OSIQuad Max 12 -Pack 9.5-oz Window and Door Brown 221 Paintable Advanced sealant Caulk	OSIQuad Max 12 -Pack 9.5-oz Window and Door Blue 857 Paintable Advanced sealant Caulk	OSIQuad Max 12 -Pack 9.5-oz Window and Door Blue 843 Paintable Advanced sealant Caulk	OSIQuad Max 12 -Pack 9.5-oz Window and Door Blue 844 Paintable Advanced sealant Caulk	OSIQuad Max 12 -Pack 9.5-oz Window and Door Beige 497 Paintable Advanced sealant Caulk	OSIQuad Max 12 -Pack 9.5-oz Window and Door Brown 236 Paintable Advanced sealant Caulk	OSIQuad Max 12 -Pack 9.5-oz Window and Door Brown 260 Paintable Advanced sealant Caulk	OSIQuad Max 12 -Pack 9.5-oz Window and Door Brown 203 Paintable Advanced sealant Caulk
687	641	641	641	641	641	641	641	641

Advanced Sealant	Advanced Sealant	Advanced Sealant	Advanced Sealant	Advanced Sealant	Advanced Sealant	Advanced Sealant	Advanced Sealant	Advanced Sealant

Caulk is a useful tool to seal out moisture, drafts and pests. Discover helpful caulking tips with this how-to article.

A man applying caulk to a white exterior door frame.

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OSI Quad Max 12 -Pack 9.5-oz Window and Door Gray 551 Paintable Advanced sealant Caulk

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Overview

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Name

Ratings

Waterproof

Type

Paintable

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