Concrete & Masonry Sealers Q&A

Question 1

Hi! I'm renovating a vintage trailer and need to waterproof the plywood flooring that sits on the fiberglass. Which product should I use? Looking for eco, no off-gassing, long lasting, waterproof, mold/mildew proof. No sun exposure. View answer

Asked 6 ´years ago

Question 2

How much would I need to cover outside of new block basement walls 8'h x 50'l x 32'w? View answer

Asked 3 ´years ago

Question 3

I want to build a raised bed garden and am having trouble finding cedar wood where I live. The cost is more than I would like to spend if I would purchase the cedar lumber at Home Depot or in kits. I was wondering if any of your products would work on untreated lumber. My goal is to keep chemicals from leaching into the vegetable bed. Any thoughts? View answer

Asked 10 ´years ago

Question 4

I have an underground storage tank (kerosene) that had 2 copper pipes which were terminated and covered with cement and some type of epoxy patch. The patch failed after 13+ years (we bought home not knowing about the tank) - had the cement removed enough to see only one of the two copper pipes was crimped - the other one had a sliw frp - that has been crimped and epoxy applied but basement still smells of kerosene. Does your dynaseal product seal cement so we won't smell kerosene? View answer

Asked 1 ´year ago

Question 5

Do you recommend any waterproofing paint that can be applied to the inside of a raised garden bed made of two layers of concrete block? View answer

Asked 9 ´years ago

Question 6

Does this product contain and/or has this product been tested for Per- and polyfluoroalkyl substances (PFAS/PFOA)? View answer

Asked 4 ´years ago

Question 7

Can you use this on treated wood? View answer

Asked 6 ´years ago

Question 8

What primer can be used for painting plastic playground equipment? View answer

Asked 1 ´year ago

Question 9

I bought the product to apply to the interior of a raised garden bed. But in reading the surface prep notes on the can, it says to apply a transitional primer on new wood before the Dynoseal. I haven't seen any mention of this anywhere online. Is the primer really necessary? View answer

Asked 2 ´years ago

Question 10

Once this has been applied, and the exterior of a raised garden bed sealed with a waterproofing sealer, how long is this expected to last? Will it ever need to be reapplied to the same wood? View answer

Asked 4 ´years ago

Question 11

Can you paint over DynoSeal to make it not tacky? View answer

Asked 4 ´years ago

Question 12

Is this safe to use as a sealant for above ground veg garden bed frames? View answer

Asked 6 ´years ago

Question 13

Can this be used on the inside of ceramic pots? View answer

Asked 3 ´years ago

Question 14

Can this be applied over damp raw concrete? The exterior wall of the under-stair storage in my basement is below grade and has never been treated. It smells mouldy and there is gunk on the concrete (the house is 90 years old). Can I apply this product on the (cleaned) concrete? View answer

Asked 4 ´years ago

Question 15

Would this be appropriate to use on a new subfloor before laying cork waterproof flooring? View answer

Asked 3 ´years ago

Question 16

How do you apply it ? View answer

Asked 5 ´years ago

Question 17

Can I use it on bedroom walls over paint ? View answer

Asked 5 ´years ago

Question 18

If i get a sample and later i buy the gallon later, could you credit the sample cost towards the purchase of the gallon? View answer

Asked 5 ´years ago

Question 19

When using to coat exterior foundation walls, it this product compatible with foam insulation? View answer

Asked 5 ´years ago

Question 20

I am putting together a project with my contractor for a tiled shower. He is recommending we put a layer of Dynoseal beneath the thinset and tile. Is that nuts or brilliant? View answer

Asked 6 ´years ago

Question 21

Is this product paintable with automotive paints? View answer

Asked 5 ´years ago

Question 22

I want to seal and waterproof the cinder block walls of my basement walls. The home is located in the USA midwest Where we have significant rain in the spring months and slow water seepage through the cinder blocks has been an issue over the years. I want something nontoxic that will eliminate mold and mildew, existing and new. Which of your sealant products would you recommend? A non gloss, paintable product would be preferred if possible.Thank you. Ra View answer

Asked 2 ´years ago

Question 23

When using for AC ductwork, how does this hold up to possible moisture and mold growth? View answer

Asked 6 ´years ago

Question 24

Is this product safe to use to seal a leak where tar was used previously in a climate with long winters? View answer

Asked 3 ´years ago

Question 25

Will this sealer block radon from coming up into the living spaces if we seal our concslab with it??? View answer

Asked 1 ´year ago

Question 26

How many coats should I apply on raw concrete floors? View answer

Asked 2 ´months ago | AFM SafeCoat, MexeSeal

Question 27

The wall-to-wall carpet and padding in our lower-level living area developed a musty smell shortly after receiving six inches of rain within two hours. The carpet and pad were removed and discarded. The base floor is untreated concrete slab and we found no visual sign of mold, mildew or water entry on concrete slab or carpet/pad. Cleaning the floor with soap and water and running multiple dehumidifiers for 2 weeks eliminated the odor. We then applied Concrobium mold control (to be safe). We'd like to seal the concrete to prevent moisture vapor from migrating through the concrete in the future. The folks at AFM recommended using MexeSeal for this purpose. As you carry both MexeSeal and Green Building Supply Sealer. Which product do we use? View answer

Asked 7 ´years ago

Question 28

Does this work well on Travertine? Is it PFAS free? View answer

Asked 1 ´year ago

Question 29

How often does this need to be reapplied to limestone floor tiles? (some in a bathroom/laundry room with no shoes, and some in an entry area with shoes) View answer

Asked 1 ´year ago

Question 30

Where could I find a list of ingredients for this product? View answer

Asked 6 ´months ago

Question 31

Can this product be used to seal outdoor pavers after weeding and power washing, to prevent weeds invading vigorously? View answer

Asked 4 ´years ago

Question 32

Will this darken grout color? View answer

Asked 5 ´years ago

Question 33

Will this product work on a honed (not polished) granite bathroom countertop? View answer

Asked 5 ´years ago

Question 34

Is this good for a Terrazzo stone floor? Thank you! View answer

Asked 2 ´years ago

Question 35

May thinset or mastic be used on top of this product? View answer

Asked 6 ´years ago

Question 36

Can this product be used on cultured or veneered stone around a wood stove that gets daily warm ? View answer

Asked 3 ´years ago

Question 37

Is this good for saltillo after the tile has been stripped of all sealers? View answer

Asked 5 ´years ago

Question 38

Can I use this on my slate kitchen floors? View answer

Asked 5 ´years ago

Question 39

Is this product safe to use on flagstone that is being used as countertop in a bathroom? View answer

Asked 6 ´years ago

Question 40

Does this leave a scratch resistant surface on concrete? View answer

Asked 4 ´years ago

Question 41

Two questions. 1. The specs say 1 coat is recommended, but the description says it waterproofs and preserves in 3-4 coats. Am I missing something? 2. Is this suitable for interior concrete floors, or would it not be durable enough? View answer

Asked 4 ´years ago

Question 42

Will this product work in basements with a seeping leak? View answer

Asked 5 ´years ago

Question 43

I have some interior brick which is crumbling and creating dust. Would AFM Safecoat Grout Sealer be an appropriate product for this? View answer

Asked 7 ´years ago

Question 44

What are the ingredients? View answer

Asked 2 ´years ago

Question 45

Do you have something I can use to seal a concrete bird bath that is leaking? It would have to be non toxic to birds drinking the water. Would you like me to experiment with a free sample of your product and report back to you? View answer

Asked 7 ´years ago

Question 46

I need a non-toxic stain and sealer for the brick floors in my house. The floors are made from the same brick that is on the outside walls of my house. View answer

Asked 7 ´years ago

Question 47

Can this be used on tile and grout? View answer

Asked 1 ´year ago

Question 48

Will this work over concrete painted with acrylic concrete paint? View answer

Asked 1 ´year ago

Question 49

I'm looking at the product SafeCoat Hard Seal to cover up cat urine. The previous owner of my home had a cat and I'm looking for a way to cover the smell. How well does this product cover up cat urine that's on a concrete subfloor? Can this product be used on a concrete subfloor? Is there a better product that you are aware of that would do this?" View answer

Asked 9 ´years ago

Question 50

Can you use on exterior brick chimney? View answer

Asked 6 ´years ago

Concrete & Masonry Sealers Q&A

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