Do i have to pre soak these to have them work or do I just put them out before the rains start?

I learned the hard way that if the rain comes hard & fast, then you should have pre-soaked them. If it falls slow, then maybe the bags have time to swell.

How much do they weigh after they have been soaked in water and fully absorbed?

Thank you for our interest in the Sandless Sandbags. Each bag will absorb 4 gallons of water and weigh 32 lbs. If there is anything further we can assist you with please let us know.

What is the best placement to prevent watering from coming through the garage door (inside garage, outside, or both)?

Block/divert the route of the water. The pavement outside our garage rises with frost, so we pile bags on corner outside of door & also inside. Our condo assoc. refuses to pay to have the concrete lowered ( another reason not to buy a condo ), so every snow ice thaw we have a flood in our garage.

do they stay in place in a hurricane

We pre soaked ours to make sure they would stay put when the wind started

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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Quick Dam 水活性フラッドバッグ 1フィート x 2フィート 6個パック | これらの砂なしサンドバッグは水で活性化され、自己膨張式で、内側の吸収性はゲルに変わり、バリアを作ります。

Quick Dam 水活性フラッドバッグ 1フィート x 2フィート 6個パック | これらの砂なしサンドバッグは水で活性化され、自己膨張式で、内側の吸収性はゲルに変わり、バリアを作ります。

Product ID: 777775233

Details

Brand
Quick Dam
Style
6-Pack
Power Source
Manual
Color
Black
Product Dimensions
12.7D x 12.7W
Item Weight
2.6 Pounds

⚡Ready in minutes

👜Compact & lightweight

💧Water-activated expansion

¥24589

Duties & taxes included

In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

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Description

💦 Stay dry, stay ready—flood control that’s always on call!

RAPID EXPANSION - Grows to 3.5 inches high within minutes for immediate barrier creation.
COMPACT PORTABLE - Lightweight design fits easily in your emergency kit or garage.
STACKABLE STRENGTH - Combine multiple bags to build custom-height flood barriers on demand.
VERSATILE PROTECTION - Ideal for doorways, garages, and erosion control—indoors or outdoors.
INSTANT FLOOD DEFENSE - Activates with just water—no sand or heavy lifting needed.

Quick Dam 水活性フラッドバッグ is a sandless, water-activated flood barrier that self-expands into a gel-like absorbent within minutes. Measuring 1ft by 2ft and 3.5 inches high, these lightweight polypropylene bags provide fast, stackable flood protection for indoor and outdoor use without the mess or labor of traditional sandbags.

Specifications

ASIN	B0085S0612
Amazon.co.jp での取り扱い開始日	2017/4/27
おすすめ度	4.4 5つ星のうち4.4 (2,983) var
サイズ	8 x 4 x 8 inches
スタイル	6-パック
メーカー	Quick Dam
メーカーにより製造中止になりました	いいえ
仕上げ	ブラック。
商品の重量	1.18 Kilograms
商品寸法 (長さx幅x高さ)	20.3 x 10.2 x 20.3 cm
形状	形状
材質	ポリプロピレン。
特徴	軽量
色	ブラック
製品サイズ	20.32 x 10.16 x 20.32 cm; 1.18 kg
部品番号	QD1224-6
電池付属	いいえ
電池使用	いいえ
電源タイプ	マニュアル(日本語ではない場合があります)。

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¥24589

Duties & taxes included

In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Japan.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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