Best Caulks and Sealants

Natural Home reviews the best nontoxic caulks and sealants.

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AFM Safecoat MexeSeal

Pros
Sealer for porous tile and masonry; SCS-certified, LEED-qualified

Cons
Not for use on polished surfaces

OSI GreenSeries Acrylic Urethane Indoor/Outdoor Sealant

Pros
Smooth bead; easy to handle

Cons
May contain pockets of material that can splatter

OSI GreenSeries Draft and Acoustical Sealant

Pros
Inexpensive; easy to use in large quantities as interior gap-filler

Cons
Recycled paper cartridge is easy to damage

OSI Green Series Pro Foam II Minimally Expanding Sealant

Pros
Extrudes large beads fast

Cons
Acetone cleanup where necessary; top of can may break, rendering contens unusable

OSI GreenSeries Subfloor & Deck Adhesive

Pros
Very low in VOCs

Cons
Recycled paper cartridge is easy to damage

Titebond GREENchoice Subfloor and Drywall Adhesives

Pros
Fast, high-track performance

Cons
Tube may be unwieldy for DIYers

Titebond GREENchoice Weathermaster Sealant

Pros
Works in extremely cold weather; fills faps up to 1 inch

Cons
Produces great results but requires some skill

Read Natural Home's in-depth guide to theĀ best caulks and sealants.