Can I dilute this and apply it through apply a pressure washer to cover a screen patio?

Yes, follow the instructions that come with it. 1.5 oz per gallon mix. I've used it for 2 years now. Spray it on wall around house and 3 feet from base of home and up the sides of the home 6 Feet. Spray around all openings to home. Cable, electric, water, windows, vents, garage, every opening. Spray doors inside and out, door from garage to house. If you do all that every 90 days, you will not have any bugs in your home.

Will this work against asian beetles?

Under pests on the label it does work against "Asian Lady Beetles" if that helps.

Does this kills outside spiders in my backyard

I will kill spiders although they are harder to kill

Does it work on roaches outside.

Yes, mix 2 parts of product to 1 gallon of water

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Suspend Polyzone 16oz

Product ID: 30606380

Details

Brand
Bayer
Item Weight
1 Pounds
Liquid Volume
16 Fluid
Target Species
Insects
UPC
706927855043

🌿Broad-spectrum pest control

⚗️4.75% potent deltamethrin formula

🛡️90-day weatherproof protection

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€ 126.12

Duties & taxes included

In stock

Sold byAmazon NetherlandsDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🛡️ Defend your space with 90 days of unstoppable pest control!

EASY MIX USE - Concentrated formula mixes at 1.2oz per gallon, delivering professional-grade pest control with minimal effort.
LONG LASTING SHIELD - Proprietary polymer ensures up to 90 days of outdoor pest defense, rain or shine.
VERSATILE APPLICATION - Safe and effective for use in diverse environments from homes to industrial and food processing facilities.
TRUSTED BY PROFESSIONALS - Backed by Bayer and top-rated by users, making it the go-to solution for serious pest management.
POWERFUL ACTIVE INGREDIENT - Contains 4.75% deltamethrin for effective elimination of a wide variety of pests.

Suspend Polyzone 16oz by Bayer is a professional-grade pesticide featuring 4.75% deltamethrin with a proprietary polymer that protects the active ingredient from weather and abrasion. Designed for broad-spectrum pest control, it provides up to 90 days of continuous protection in diverse settings including homes, industrial sites, and food processing plants. Easy to mix and highly effective, it’s a trusted solution for long-lasting pest defense.

Specifications

ASIN	B01FY3RY5G
Best Sellers Rank	#167,069 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #596 in Pest Control Baits & Lures
Brand Name	Bayer
Customer Reviews	4.5 4.5 out of 5 stars (258)
Included Components	1 bottle
Item Weight	1 Pounds
Liquid Volume	16 Fluid Ounces
Manufacturer	BAYER
Model Number	2455
Part Number	2455
Target Species	Insects
UPC	706927855043

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