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Product Details

Interlux Interstain is both a wood filler and stain to serve two purposes: it fills the grain of the wood, and stains the wood to enhance its natural beauty.

Filling the wood reduces the number of varnish coats required. Available in Brown Mahogany, Red Mahogany, and Chris Craft Red Mahogany. Interstain can also be used to tint Interlux varnishes.

Out of the package, this product has a thick paste consistency and should be mixed with Interlux Brushing Liquid 333 to the consistency of thick house paint.

Info & Guides
APPLICATION AND USE

Preparation

BARE WOOD: Sand with 80 grade (grit) paper. Sand smooth. Sanding

Some Important Points If Interstain is not thoroughly dry before overcoating with varnish, the filler will "lift" from the grain and the stain will be apparent on the varnish brush. Product temperature should be minimum 10 deg C/50 deg F and maximum 29 deg C/85 deg F. Ambient temperature should be minimum 10 deg C/50 deg F and maximum 35 deg C/95 deg F. Substrate temperature should be minimum 10 deg C/50 deg F and maximum 29 deg C/85 deg F.

Compatibility/Substrates Apply to clean, dry, properly prepared surfaces only. Do not overcoat directly with unthinned epoxy resin.

Number of Coats As required

Coverage (Theoretical) - 0 (sq ft/Gal)

Application Methods Brush

Technical Information

  • Color Y42-Brown Mahogany, Y1579-Red Mahogany, Y573-CC Red Mahogany
  • Finish Matte
  • Specific Gravity 1.54
  • Volume Solids 80%
  • Typical Shelf Life 2 yrs
  • VOC (As Supplied) 80 g/lt
  • Unit Size 1 US Pint
  • Touch Dry Time: 50 Deg F: 3 hrs, 73 deg F: 2 hrs, 95 deg F: 1 hr.

TRANSPORTATION,STORAGE AND SAFETY INFORMATION

TRANSPORTATION: Interstain should be kept in securely closed containers during transport and storage.

STORAGE: Exposure to air and extremes of temperature should be avoided. For the full shelf life of Interstain to be realised ensure that between use the container is firmly closed and the temperature is between 5 deg C/40 deg F and 35 deg C/95 deg F. Keep out of direct sunlight. Safety DISPOSAL: Do not discard tins or pour paint into water courses, use the facilities provided. It is best to allow paints to harden before disposal. Remainders of Interstain cannot be disposed of through the municipal waste route or dumped without permit. Disposal of remainders must be arranged for in consultation with the authorities.

WARNING: Cancer - www.P65Warnings.ca.gov

Reviews

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8 reviews with 5 stars.
2 reviews with 4 stars.
0 reviews with 3 stars.
1 review with 2 stars.
1 review with 1 star.

Overall Rating

4.3

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Filter Reviews

1 to 10 of 12 Reviews
1 – 10 of 12 Reviews
Milwaukee WI
5 out of 5 stars.

Has something changed? Interlux 573 paste stain.

8 months ago
The Interlux 573 Mahogany stain doesn't seem to as far as it used to? We are on our 55th wood boat restoration. Of which 19 have been post war Chris Craft. Riva's, Capri's, Sportsman's, U22 and such like. Our finisher (22 yrs with us) always does the final line sanding himself, and we/he understand the absorbency of Philippine, African or Honduran after line sanding. However we noticed that the one pint can won't stretch as far. A 17ft Sportsman took one pint after reducer, but now we are on to our 3rd pint to complete a 19ft 1955 Capri? And there is a lot of blond on this one. Has anyone else noticed this? Any reason, or are we just getting old? Not complaining just an FYI and a drop in the bucket so far as cost goes. Many Thanks EM
Helpful?
Batavia NY
4 out of 5 stars.

Great product

a year ago
It took me awhile to get used to such a thick stain but once I did it it a great product.
Helpful?
Wantage, NJ
5 out of 5 stars.

Perfect match!

4 years ago
Easy to use, it fills and stains. The Color (Brown Mahogany) was a perfect match for the Philippine Mahogany on my deck. I used it on seat backs made from Marine Plywood (Fir?) that needed to match the Mahogany deck. I did some filling on the plywood using West System epoxy mixed with their wood flour filler. The stain colored it as well as the raw wood. Finished with 3 coats of varnish. Looks great.
Helpful?
Grosse Ile mi
5 out of 5 stars.

I would buy this product again

4 years ago
Follow the directions and this product does what it supposed to do.
Helpful?
Fairmont WV
2 out of 5 stars.

This is not ""Brown Mahogany""

5 years ago
The color is very orange, not even close to red and certainly not brown. Glad I used it on a piece of scrap to test prior to applying to my project. It appears to be good wood filler although it dries very quickly and needed to solvent-dampened rag to remove all of the excess.
Helpful?
Cape Cod
5 out of 5 stars.

Great stuff

7 years ago
You cant get the surfacing putty anymore to fill holes, so I had to fill with epoxy and of course was concerned that when it came time to use the 1579 filler/stain it would not work. To my delight both the mahogany wood and the places where I used epoxy stained identically....Yahoooo
Helpful?
Georgetown, ME
5 out of 5 stars.

Very easy to use

8 years ago
This product worked perfectly on my mahogany brightwork. The small can will cover a surprisingly large area when thinned with the recommended thinner. The stain is brushed on and then wiped off with a rag (you'll need lots of rags). The color produced is very consistent without any streaking or blotchiness. Fool proof IMO. I used a variety of mahogany stock on my boat, and this product made it look like it all came from the same tree.
Helpful?
Long Branch, NJ
5 out of 5 stars.

Great product from a dependable company

11 years ago
Used on my 1962 Grady White. Used in several applications to get desired color.
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North East
5 out of 5 stars.

Refinishing mahogany trim

14 years ago
I stripped the hatches and other trim components on my 1953 Hinckley. Thought about using a common household product until I noticed it wasn't for external use. Did a little research and purchased this product based on recommendations. It sealed nicely in one coat, and left a really smooth and nicely colored surface to start the varnish build-up which has gone very well.
Helpful?
So Cal
5 out of 5 stars.

Great product

14 years ago
Great stain fills the Mohag pores, The color is redish brown not red Must use the 0333 thinner
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1 – 10 of 12 Reviews

Questions

1 - 10 of 24 Questions

Q: Classic Whaler redoing mahogany seats what do yo recommend red mahogany or brown mahogany???

3 years ago
1 Answer

A: I have a 1965 Chris craft commander and I always use the brown because it's a toned down version of the red and not really brown

3 years ago
Helpful?

Q: do you sell Interlux filler stain 573 and1579? I cant find it on your site. Bob Bartlett

3 years ago
1 Answer

A: Hello, yes we do, here is the link to the product page, use the drop down menu to select the appropriate size, https://www.jamestowndistributors.com/product/product-detail/134

3 years ago
Helpful?

Q: How can I see the difference in the three Interlux stain fillers? I have a 65 Century Resorter. Do you have an online color chart??

4 years ago
1 Answer

A: I used this product on a Chris Craft Holiday 1962. and it was excellent.

4 years ago
Helpful?

Q: Is there a color chart anywhere that I could see the colors Y42,Y1579 and Y573cc Thinking of using on new mahogany. Will this filler eliminate natural grain lines.

5 years ago
2 Answers

A: It really depends on how much the product is thinned. I didn't thin it as much as I should have and came out very muddy. Ended up removing first effort and did it again - thinning it more.

5 years ago
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Q: I need to fill old screw holes and bolt holes in mahogany, which will then be varnished. Is this the right product, or what would you suggest?

5 years ago
3 Answers

A: I am not familiar with this product. I have used ""Famowood"" and mahogany ""Boat Bright"" for screw holes and imperfections and they both work well although for bolt holes you might have to go with actual mahogany bungs stained to match your boat. Steve

5 years ago
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Q: lyman boat color stain ?

5 years ago
1 Answer

A: Sorry, no idea.

5 years ago
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Q: I have a 1957 Chriscraft 17' utility. The coverboard is now the original Chriscraft red mahogany. I would like to change the coverboard to black. Should I use a black stain or black paint?

6 years ago
2 Answers

A: Richard Piatt Senior Technology Consultant - Federal Video: ****@***.*** Stain Walnut or Chestnut https://acbs-bslol.com/wp-content/uploads/2015/02/TwoToneStainJob.pdf

6 years ago
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Q: What Mahogany stain and filler should I use on my Windsor Craft?

6 years ago
2 Answers

A: I use it on my Amesbury Dory railings. It fills in nice sands nice and I cover it with polyurethane.looks great.

6 years ago
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Q: how is the compatibility with interlux perfection plus 2 part polyurethan ?

6 years ago
2 Answers

A: Interlux Perfection Plus preparation is to clean the surface well with their 2333N thinner to remove any oils. If you do that on the wood filler stain it will remove some color. You may need to test it first to achieve the right combination.

6 years ago
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Q: What is the difference between the 573 Cris Craft Red Mahogony and the 579 Red Mahogony? Is one more of a Dark Red?

9 years ago
3 Answers

A: The 573 is the proper color for Chris-Craft boats. It used to be called XP573. The name has changed, but the color is the same.

9 years ago
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1 - 10 of 24 Questions
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