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Titebond WeatherMaster Clear Elastomeric Polymers Door/Siding/ Window Sealant 9.5 oz

Made in America

Support American manufacturers + independent hardware retailers in one purchase.

Stays flexible through temperature swings and resists mildew, sealing siding, windows, and doors indoors or out.
Titebond MPN 43991 In Stock & Ready to Ship
Local Price Check i Local stores may price this as low as $12.99. Our online price is $13.99.
$13.99
Free shipping on orders over $75
Ships within 24 hours · most orders arrive in about 2 business days
Cases of 12 · Order in multiples of 12

Sold by the Case

$167.88 per case of 12

Save $25.20 on orders $75+. Spend $75 or more to unlock 15% off cases plus free shipping — applied automatically at checkout.

Ships as a complete case of 12. Free shipping on orders $75 and up.

About Product Overview

Titebond WeatherMaster siliconized acrylic caulk seals gaps around windows, doors, and siding without cracking or shrinking as temperatures swing. It stays permanently flexible, resists mildew and moisture, and can be painted once cured for a clean finish. Clear color works across siding, PVC, glass, fiberglass, masonry, and wood, making it a practical go-to for both indoor and outdoor sealing jobs.

  • 9.5 oz cartridge, clear, covers approximately 31 linear feet
  • Fire and high heat resistant, moisture and mildew resistant
  • Permanently flexible elastomeric polymer formula, paintable once cured
  • Works on siding, windows, doors, PVC, glass, fiberglass, masonry, and wood
  • Clean up with mineral spirits; made in the USA

The Details Specifications

Brand Titebond
UPC 037083439915
Case Pack Quantity 12 per case
Retail Unit Quantity 12
Dimensions (L × W × H) 9 × 6 × 13
Weight 10 lbs
Country of Origin USA
Safety Data Sheet (SDS) Manufacturer documentation · opens in new tab
Price check

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When you're over there, check four things before you click buy.

01

Who's actually selling it

The brand name is on the listing. A different company is in the seller field. Those aren't the same thing, and the second one is who you're buying from.

02

Whether the warranty survives

Most manufacturers only honor a warranty when the unit came through an authorized dealer. We're authorized for Titebond. A third-party marketplace seller usually isn't.

03

Where the box came from

Gray-market stock, returns repackaged as new, and outright fakes move through marketplaces constantly. It all looks identical in the photo. It stops looking identical when it fails.

04

Who you call when it breaks

Ours is a phone number with a person behind it who has held this product. M–F, 6 AM – 5 PM Pacific. (866) 469-8556

We're not always the cheapest.

Sometimes you'll find it for less. Sometimes you'll find it for more. On a lot of brands the number is identical everywhere it's sold legitimately — the manufacturer sets a minimum advertised price and every authorized dealer holds it. When a price sits well under that, it's worth asking why before it's worth celebrating.

How pricing actually works
Authorized dealer · Titebond

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Why we built NHG
You might find it for less locally. Independent retailers often offer competitive pricing — some products are even cheaper in-store than online.
Real expert advice — not search results. Independent hardware staff know their inventory and the local conditions you're working in.
Keep the neighborhood working. Every dollar spent at an independent retailer returns roughly 3x more to your local economy than at a national chain.

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