Deep Pour Epoxy
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Deep Pour Epoxy


MAS Deep Pour Epoxy Resin System is the best epoxy for deep pour. It features a 100% solid, two-component, three to one by volume mix ratio formulated for deep pour casting, encapsulating and molding applications. It is a slow cure epoxy resin which will cure within 24-36 hours at 70 degrees F creating a clear, glass like finish that resists scratching and yellowing with an extended gel time to minimize exotherm and improved air release. If you are creating an ocean or river table Mas Deep Pour is the original and best deep pour epoxy resin!

(1 customer review)


PLEASE NOTE: This is an advanced deep pour epoxy resin system. DO NOT use Deep Pour resin in working temperatures above 75°F.
Please take into consideration the volume of epoxy you pour into a void. Pouring too much epoxy into a large area may result in shrinking, yellowing or cracking. Keeping the work area cool by adding a fan can help reduce the risk of the epoxy overheating. If you have any questions or concerns about the process please give us a call at 800 755 8568 or send us an email at

Working Conditions:

For best results, all materials and working conditions should be maintained at a constant 60°F-75°F. Epoxy is a temperature sensitive material. When cool, it’s thicker and sets slower. When warm, it’s thinner and sets faster. Working in a shop or with material above 75°F, Deep Pour may set too quickly and exotherm (become too hot) which could cause it to yellow, distort, shrink or crack.

Maximum Casting Thickness:

Max casting thickness can vary depending on a number of factors including shop temp, material temp, mixing quantity, mold material, project dimensions, etc. Larger slabs should be poured thinner than smaller castings to minimize exotherm. Every project is unique, but as a general guideline do not exceed 0.5” casting thickness for a full mixed 1.3 gallon kit, or 1” for a half mixed kit. Step pour multiple layers for thicker castings.

Exothermic Reaction:

CAUTION EXOTHERMIC REACTION: Mixed epoxy generates heat. The more you mix, the hotter it will be. Must use after mixing. Only mix what you are ready to pour. May fume and smoke. Please visit the online FAQ before starting your project. To learn more about exothermic reactions click here.

Prior to Use:

When casting materials like wood, leaves, rocks and other substrates, make sure the material is dry and sealed. We recommend sealing any wood or porous surfaces prior to using Deep Pour Epoxy. Penetrating Epoxy Sealer works great for sealing the wood to reduce the risk of air bubbles and foam appearing while curing.

How much will I need?

What are the dimensions of your project?
Here is the amount of epoxy resin you will need


Questions and answers of the customers

  1. 0 votes
    There are no answers for this question yet. Answer now
  2. 0 votes
    Answered by the admin

    The volume calculator determines how much epoxy you will need for the project. So it will give you the overall amount of epoxy not broken down into parts. 

  3. 0 votes
    Q How thin of layer can you poour using Deep Pour? answer now
    Asked by Barb on December 17, 2020 10:58 am
    Answered by the admin

    Deep Pour is designed for casting in volume. There isn't a set minimum depth because the volume of epoxy could be high but the layer could be thin. The more epoxy you mix the more heat it will generate and the faster it will cure. Pouring shallow low volume pours will take an extremely long time to cure. 

  4. 0 votes
    Answered by the admin

    For best results, all materials and working conditions should be maintained at a constant 70°F-80°F. Epoxy is a temperature sensitive material.  When cool, it’s thicker and sets slower.  When warm, it’s thinner and sets faster.  When working in conditions or with material below 70°F, epoxy may become to viscous to properly release air and self level.  Working in conditions or with material above 80°F, it may set too quickly and exotherm, become too hot, which could cause it to yellow, distort or crack. 

  5. 0 votes
    Q What is the time window for pouring another layer? answer now
    Asked by Nicholas Dalziel on September 14, 2020 10:42 am
    Answered by the admin

    The maximum casting depth of MAS Deep Pour is roughly 0.5”-1” per pour, but deeper castings can be achieved by step pouring multiple layers.  Each layer MUST be allowed to cool to room temperature (70-80°F) before adding additional layers.  Once cooled, you can pour the next layer without additional surface prep all the way up until you can no longer indent a fingernail into the previous coat.  No sanding necessary.  Warmer temperatures will set faster, and cooler temperatures will set slower.  Large batches of mixed epoxy will also cure much more quickly than small batches.  If allowed to cure past the point of being able to indent a fingernail, then you will want to lightly scuff sand between coats to promote adhesion.  As a general rule, if you can sand, you should. 

  6. 0 votes
    Q How heavy is your cured epoxy per cubic inch? answer now
    Asked by Jase Murphy on September 13, 2020 9:30 pm
    Answered by the admin

    The cured density of MAS Deep Pour is 0.0400 lbs/in3

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1 review for Deep Pour Epoxy

  1. Hailey Nolin

    I was lucky enough to try this out at the MAS HQ about a year ago and loved it! I can’t wait to try the newer version soon!

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Safety Data Sheets  & Technical Data

MAS Deep Pour Resin

MAS Deep Pour Hardener

Technical Data Bulletin