Concrete Sealer Discusion

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This topic contains 36 replies, has 2 voices, and was last updated by  Tex Rowe 6 months ago.

Viewing 7 posts - 31 through 37 (of 37 total)
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  • #511 Reply

    Tex Rowe

    if it's no longer tacky, can I stand on it to apply the second coat, without adversely effecting it?

    Yes

    Or is sunlight not an issue at all, with the application process?

    Film Forming Concrete Sealer WB is both an internal an external sealer… during the curing process this in not an issue. Temperature is more a concern when it comes to applying any sealer so substrate temperature must be below 28 degrees and above 10 degrees.

    #512 Reply

    CK

    Thank you.

    #36 Reply

    Rob

    Please feel free to discuss anything related to concrete sealer protection.

    Hello,
    From reading your school information, I will be chasing a water based penetrating sealer.  I apologise in advance if these questions are answered in earlier posts.

    The concrete has had oxide added to it to make it charcoal in colour. We are wanting the darker colour of the wet concrete look but without the gloss/ semi-gloss finish.  I am sorry it is not clear from the descriptions, will the penetrating sealer provide a darker matt / satin finish once applied and dried?

    Is there a time period between the pour of the driveway and sealant application?

    There is a mention of temperature in one of the posts and moisture / rain following application – needs to be between approx  10 – 28 degrees Celsius.  It has shade on parts of it for most of the day so the slab will have variation in temperature across it.  Am I best to apply the first coat i the morning before the sun hits parts of it or afternoon after the sun has moved on; or will it make little difference at all?

    Regards;

    Rob

    #514 Reply

    Tex Rowe

    Hi Rob,

    I will be chasing a water based penetrating sealer.

    will the penetrating sealer provide a darker matt / satin finish once applied and dried?

    No, a water based penetrating sealer will cure almost invisible. Our solvent based penetrating sealers may darken the surface though is totally dependent on the chemical reaction that takes place. A product like our Sealer Enhancer:
    https://cswcoatings.com.au/natural-stone-sealer-enhancer/
    while still dependent on a chemical reaction (ie: how much your surface has to give) will ensure a greater level of success.

    Is there a time period between the pour of the driveway and sealant application?

    Industry standard is 28 days.

    Am I best to apply the first coat i the morning before the sun hits parts of it or afternoon after the sun has moved on; or will it make little difference at all?

    Penetrating sealers must be applied wet on wet. Directions tab on main website for relevant product should elaborate further on this.

    #38 Reply

    Rob

    Hi Rob,

    I will be chasing a water based penetrating sealer.

    will the penetrating sealer provide a darker matt / satin finish once applied and dried?

    No, a water based penetrating sealer will cure almost invisible. Our solvent based penetrating sealers may darken the surface though is totally dependent on the chemical reaction that takes place. A product like our Sealer Enhancer:
    https://cswcoatings.com.au/natural-stone-sealer-enhancer/
    while still dependent on a chemical reaction (ie: how much your surface has to give) will ensure a greater level of success.

    Is there a time period between the pour of the driveway and sealant application?

    Industry standard is 28 days.

    Am I best to apply the first coat i the morning before the sun hits parts of it or afternoon after the sun has moved on; or will it make little difference at all?

    Penetrating sealers must be applied wet on wet. Directions tab on main website for relevant product should elaborate further on this.

    Thank you.  Raises more questions.
    Do you have sample pots /samples for trialling the effect of your products before committing? 
    Is the stone enhancer suitable for driveway surfaces?  I note also that there are some other driveway solvent solutions such as the penetrating solvent driveway product.  Are these worthy of consideration in this instance?

    Rob

    #1188 Reply

    Phillip Gilbert

    I am a commercial grower (Sunshine Coast Qld-sub tropical).
    Our picking & packing areas have concrete floors (brush finish so not smooth) that were never sealed.
    We sweep-up after every pck but a lot of leaf matter does get ground into the concrete.
    The concrete is NOT smooth. We move a pallet jack, and solid wheeled trolley’s over the area.
    Worst is probably someone dumping a hardwood pallet before they stop the jack.
    I want a surface that is easy to maintian, clean, and looks good.

    2nd Q. I have a concrete floored Tunnel (a Greenhouse covered in clear plastic). Again concrete floor was never smooth.
    I painted it white for light reflection. Every 3 months sweep & mop clean. Annually put a light coat of clear sealer over it.
    It is still sort of white.
    Can I go over it again with a stark white coating to increase my light levels without having to remove the clear sealer?
    Any help will be greatly appreciated.
    Cheers Phillip

    #1194 Reply

    Tex Rowe
    Keymaster

    Hi Phillip,

    I want a surface that is easy to maintian, clean, and looks good.

    Q1: In any commercial application like packing areas your best place to to start is with a 2 Pack Epoxy:
    https://cswcoatings.com.au/product-category/concrete/2-pack-epoxies
    If area is not exposed to direct UV sunlight then you could look at either the:
    Water Based Epoxy
    https://cswcoatings.com.au/product/water-based-epoxy/
    or 100% Solids Epoxy
    https://cswcoatings.com.au/product/100-solids-epoxy/
    If abrasion exposure to pallets, pallet jacks etc is a concern then 100% Solids has the highest abrasion resistance out of all epoxies.

    Can I go over it again with a stark white coating to increase my light levels without having to remove the clear sealer?

    Q2: Please see our Preparation Guide:
    https://cswcoatings.com.au/preparation/
    with reference to “Previously Painted…” section.

    If any above floor is exposed directly to UV then this limits product selection to:
    2 Pack Urethane
    https://cswcoatings.com.au/product/2-pack-urethane/

    Tex Rowe
    CSW Coatings Australia
    CSW Coatings USA

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