Hello, can this be mixed with Portland cement since its a concentrate or should it just be mixed with water and be used as is?

Just mix with water and use as is, it has some Portland Cement in it already!

Can this be applied on top of hydraulic cement?

No, the concrete must have an open capillary system in order for the Concentrate to to enter the pores and do it's job, therefore there can be no previous coatings, paints or laitance on the surface.

Coverage is 1lb per 6sqft. Is that after mixing with water or dry mix?

https://www.youtube.com/watch?v=iCXf5QD7REM Xypex Concentrate's ideal coverage thickness is 1/16 in. uniformly applied. At that application rate 1lb powder mixed with appropriate amount of water will cover 6 sq. ft. For estimation purposes the total square footage to be covered divided by 6 will approximate the pounds of material necessary for the project.

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Generic Xypex Concentrate Concrete Sealer, Grey, Waterproof, Cement-based, 1 Count

Generic Xypex Concentrate Concrete Sealer, Grey, Waterproof, Cement-based, 1 Count

Product ID: 356493912

Details

Brand
Xypex
Item dimensions L x W x H
25.4 x 25.4 x
Item weight
20 Pounds
Style
Compact
Water resistance level
Waterproof

💧Waterproofs under extreme pressure

🧱Integrates into concrete substrate

🛠️Seals hairline cracks up to 0.4mm

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€ 867.24

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In stock

Sold byAmazon GreeceDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

💧 Seal the deal with concrete protection that lasts a lifetime!

SEAMLESS APPLICATION - No priming, sealing, or finishing needed—save time and cost
VERSATILE PERMANENT - Works on positive or negative sides, above or below grade, for permanent waterproofing
CRACK SEALING PRECISION - Seals static hairline cracks up to 0.4 mm for lasting durability
UNMATCHED HYDROSTATIC DEFENSE - Resists extreme water pressure to protect your concrete investment
CHEMICAL RESISTANT BREATHABLE - Highly resistant to aggressive chemicals while allowing concrete to breathe

Xypex Concentrate is a grey, cement-based waterproofing sealer that chemically integrates into concrete to form a permanent, crystalline barrier. It resists extreme hydrostatic pressure, seals hairline cracks up to 0.4 mm, and requires no surface priming or seam finishing. Ideal for demanding environments like reservoirs, tunnels, and swimming pools, it offers a cost-effective, durable solution for concrete protection.

Specifications

ASIN	B08XBX7Z7R
Brand	Xypex
Colour	grey
Compatible Material	Concrete, Metal
Item Dimensions	25.4 x 25.4 x 25.4 centimetres
Item Form	Liquid, Paste
Item Weight	9.07 kg
Item dimensions L x W x H	25.4 x 25.4 x 25.4 centimetres
Item form	Liquid, Paste
Item weight	9.07 kg
Manufacturer	Xypex Chemical Corporation
Manufacturer Part Number	CON-020
Model Number	CON-020
Number of Items	2
Style	Compact
Style Name	Compact
Surface Recommendation	Concrete
Water Resistance Level	Waterproof
Water resistance level	Waterproof

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