GREAT STUFF 99112849 Smart Dispenser Pond & Stone, 12 oz, Black

Muy rendidor, fácil de aplicar

Building or maintaining a rock waterfall means constantly battling water loss. If water slips into the gaps under your flagstones, your waterfall loses its visual impact and drains your reservoir. I used this Great Stuff Pond & Stone Insulating Foam Sealant to bridge the voids between my landscape boulders.Historically, single-use spray foam cans are notorious for clogging permanently after one use. This "Smart Dispenser" version completely changes the game for multi-day DIY builds. Here is my field test of how it performs under direct water exposure.1. The Smart Dispenser (Is it actually reusable?)Standard red-straw spray foam cans seal themselves shut within two hours of your first spray.The Performance: The spring-loaded mechanism on this new clear-trigger assembly stops the flow instantly when you let go of the trigger, eliminating annoying, messy post-drip strings.Reusability Test: I deliberately left a half-empty can sitting on my workbench for 12 days mid-project. When I picked it up again, I simply scraped a tiny bit of cured foam off the very tip of the tip, tipped it over, and it immediately dispensed a smooth, uniform bead without sputtering or locking up. The 30-day reusability claim is completely accurate.2. Hydrodynamics and Placement StrategyWater Diversion: It is critical to note that expanding polyurethane foam is a water diverter, not a 100% waterproof rubber membrane. It expands beautifully into deep crevices (up to 1 inch thick) to form a dense, closed-cell barrier. By filling the voids beneath my spillway rocks, it forces 100% of the stream to flow visually over the top face.Color Blending: The foam cures to a dark charcoal/black hue. Against slate, granite, or river rock, it melts away seamlessly into the natural shadows of the structure.3. Material Bonding & Curing RealitiesIt clings aggressively to both porous concrete pavers and rough, natural stone.Application Prep: While the label states it can be applied to damp surfaces, I achieved far better adhesion by wire-brushing loose dirt and mud off the rocks first.The Cure: It expands with minimal force (so it won't push your heavy stones out of alignment) and cures to a touchable state within an hour, reaching full structural cure in about 8 hours. Once cured, it is completely inert and 100% safe for koi, goldfish, and aquatic plants.Pros & ConsPros: True 30-day reusability saves money on small touch-ups, black color blends perfectly into rock shadows, fish and plant safe.Cons: Like all polyurethane foams, it degrades under intense, direct sunlight over time; you must tuck it deep into shadows or paint/coat exposed edges to protect it from UV damage.Final VerdictIf you are tired of throwing away half-used cans of messy building foam, the upgraded Smart Dispenser makes this product worth every penny. It provides a fast, sturdy bond without the mess of mixing traditional mortar, drastically increasing waterfall flow performance. No odor easy to use. Wear gloves

海外のビバリウム制作動画を見て購入。 類似商品と比べたら、高いけど、国内製の黒色発泡ウレタンを探すことができなかったため、満足して使いました。 ただ、ウレタンの出力が均等ではなく向きによったりする傾向が強い。

Works great but wear gloves lol it stains the hands and even gas doesn't take it off.

El funcionamiento es bastante raro para sacar la espuma veces se escapa mucho aire y no tira espuma no se infla tanto y aparte tiene poco contenido Cabe destacar que he usado muchas espumas no es la primera vez