can it be applied by brush?

Yes, this product can be applied by brush or spray but must be second coated before the first coat has dried in. So larger areas need to be broken down into smaller areas if brush applied.

Can this be used on a brick fireplace indoors please?

I can't see why not. I've only used it on the inside of a garage wall a concrete floor & rendering all of which have been successful. It can stain though so be careful of drips.

Can i use this on a slate roof? a roofer has said the slates are become porous, so it sounds ideal, but someone has said no in the q and a - why?

Hi. Unfortunately this is only intended as a water seal for wall applications and slate isn't porous enough for the 402 to soak in to create an efficient seal.

Can this be used to seal polished plaster ?

I would not have thought so as polished plaster has a none porous outer layer which would not let the water seal seep into!

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Everbuild 402 Water Seal – High Performance – Long Lasting Protection From Water Damage – Solvent-Free Formula – Water Repellant – 5 Litre

Product ID: 49471027

Details

Brand
Sika
Item dimensions L x W x H
18 x 20 x 24
Item weight
11.02 Pounds
Material
Silicone
Style
Single

⏳Long-lasting breathable waterproof coating

💧5L solvent-free water-based formula

🧱Protects brick, stone & concrete

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Description

💧 Seal the deal, protect your space, and never worry about water damage again!

DURABLE DEFENSE - Creates a tough, water-repellent barrier that stands up to rain and weather wear.
TRUSTED PROVEN - Highly rated with 4.4 stars from over 5,400 users—join the savvy pros who rely on Everbuild.
BREATHE EASY SEAL TIGHT - Water-based, solvent-free formula lets surfaces breathe while blocking moisture.
VERSATILE SURFACE SHIELD - Ideal for brick, concrete, stone, plaster, and more—one sealant for all your needs.
GENEROUS 5 LITRE CAPACITY - Enough product for multiple coats or larger projects—maximize your protection.

Everbuild 402 Water Seal is a premium, solvent-free, water-based sealant designed to protect brick, concrete, stone, and plaster surfaces from water damage. Its breathable formula forms a durable, water-repellent coating that prevents moisture penetration while allowing surfaces to breathe. Packaged in a convenient 5-litre size, it’s perfect for both DIY enthusiasts and professionals seeking long-lasting protection with easy application.

Specifications

ASIN	B0012LETNK
Best Sellers Rank	2,097 in DIY & Tools ( See Top 100 in DIY & Tools ) 50 in Sealers
Brand	Sika
Colour	Clear
Compatible Material	Brick, stone, plaster, concrete
Country Of Origin	China
Customer Reviews	4.4 4.4 out of 5 stars (5,462)
Global Trade Identification Number	05029347004255
Item Dimensions	18 x 20 x 24 centimetres
Item Form	Liquid
Item Weight	11.02 Pounds
Manufacturer	Sika Everbuild
Manufacturer Contact Information	Sika Everbuild 41 Knowsthorpe Way, Leeds LS9 0SW
Manufacturer Part Number	XWAT5LAB
Material	Silicone
Model Number	XWAT5LAB
Number of Items	1
Style Name	Single
Surface Recommendation	Wall, floor, roof
UPC	764210982531
Unit Count	5000.0 millilitre
Water Resistance Level	Water Repellent

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$171.38

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In stock

Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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

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