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GREAT STUFF Pond & Stone Gap Filler | Insulating Foam Sealant, 12 oz. Can – Black

GREAT STUFF Pond & Stone Gap Filler | Insulating Foam Sealant, 12 oz. Can – Black

Q: how does it hold up outside in cold (new england) weather?

I used it as glue to hold styrofoam to concrete under water to prevent puncturing a pond liner. It has been 3 years and it is still working. The pond freezes every up state NY winter.

Q: Is this essentially the same product as the yellow expanding foam, just a different color?

Chuksim, i don't know the yellow expanding foam is, but if you are looking for pond seal, then this product will good to bond plastic and rock, rubber together.

Q: can this waterfall foam freeze if it left out in the cold to long

This product has held up well in our waterfall and pond rocks during Ohio winters.

Q: Can this product stand up to hot sunlight? I need something to stop leaks on my solar pool heating system, the panels are made of black rubber

I bought this product, versus the normal, yellowish variety, to withstand ultra-violet deterioration. So far, it has performed as I had hoped for.

Product ID: 4215416

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Details

Material
Polyurethane
Brand
Great Stuff
Style
Pond & Stone
Item Weight
1 Pounds
Item dimensions L x W x H
2.63 x 2.63 x

💧Water-resistant & bonds on damp surfaces

🧱Expands up to 1" for perfect gap fill

⏱️Cures fast in 8 hours for same-day results

Frequently Bought Together

Great Stuff 283064 12OZ GS Pond&Stone Foam Sealant, Each, Black

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Riare 5.3OZ Premium Sphagnum Moss for Reptiles- 6QT Natural Reptile Moss Dried, Forest Live Moss for Terrarium, Frogs Snake Peat Moss Bedding for Leopard Gecko Turtle Anoles Salamanders Orchids Plants

Description

🖤 Seal the gap, not your style — blend in, stand out!

FAST TRACK YOUR DIY - Cures in just 8 hours and can be trimmed, sanded, stained, or painted for a flawless look
DURABLE OUTDOOR PROTECTION - Closed-cell polyurethane creates airtight, waterproof seals that last for years
SEAMLESS NATURAL INTEGRATION - Black foam blends invisibly with stones and shadows for a sleek finish
VERSATILE MOISTURE RESISTANCE - Bonds on both dry and damp surfaces—ideal for ponds, retaining walls, and landscaping
EFFORTLESS PRECISION APPLICATION - Straw applicator delivers exact foam amount even in tight spots

Great Stuff Pond & Stone Gap Filler is a black, closed-cell polyurethane foam sealant designed for outdoor use. Expanding up to 1 inch, it creates durable, airtight, and water-resistant seals on porous and nonporous surfaces without mortar. Its straw applicator ensures precise application even in hard-to-reach areas. The foam bonds on damp or dry surfaces, cures in 8 hours, and blends naturally with stones, making it perfect for ponds, retaining walls, and landscaping projects.

Specifications

Material	Polyurethane
Brand	Great Stuff
Style	Pond & Stone
Item Weight	1 Pounds
Item dimensions L x W x H	2.63 x 2.63 x 8 inches
Water Resistance Level	Water Resistant
Item Form	Foam
UPC	074985008580
Unit Count	12.0 Fluid Ounces
Global Trade Identification Number	00074985008580
Number of Items	1
Color	Black
Surface Recommendation	Wall
Manufacturer	Great Stuff
Part Number	283064
Item Weight	1 pounds
Product Dimensions	2.63 x 2.63 x 8 inches
Item model number	283064
Is Discontinued By Manufacturer	No
Size	Each
Pattern	Solid
Item Package Quantity	1
Batteries Included?	No
Batteries Required?	No

Have a Question? See What Others Asked

how does it hold up outside in cold (new england) weather?

Is this essentially the same product as the yellow expanding foam, just a different color?

can this waterfall foam freeze if it left out in the cold to long

Can this product stand up to hot sunlight? I need something to stop leaks on my solar pool heating system, the panels are made of black rubber

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