Hydrocal™ FGR-95 Gypsum Cement. 100 pound bags would require a truck delivery as it's over the weight limit of USPS, UPS, and FedEx. 2. Soooooo......take that for what it's worth. Qty: Description U.S. Gypsum WHITE HYDROCAL -REGULAR 50 lbs. Post Nov 02, 2014 #1 2014-11-02T16:18. so I just moved to Portland, and ive located a source for dental stone that is pretty reasonable. The other way around and the reaction will proceed backwards. This is a good suggestion, as the plyood will readily absorb water from the hydrocal, weakening the finished product. Can't ask him now. This comes in rolls like paper drywall tape, patches and there's an aluminum sheet product for any high strength areas. Sets fast in 20-30 minutes without shrinking. It takes an iron man to play with a toy iron horse. Take a look on US Gypsum's website. Adding a base colour to your plaster or drywall mud is a really good idea. Thing is, you need to do the calling around yourself in your area and find it in bulk at a local lumberyard/HI/Hardware. amykins3. Hydrocal is far stronger than we need so as long as the stuff you mix works then fine. It does make a difference. Not sure why. Got two 100 # bags for $25 each, but this was about 25 years sgo. Shellac is a poor product to use for non porous surfaces. Puritan Pottery Plaster with 2400psi Compression Strength. I took the time and looked at the material safety data sheet. Presumably the filler settles out or maybe it's lighter and the plaster portion settles out. Hydrocal is 95% Plaster of Paris and 5% Crystalline Silica. Castings just crumbled. manage your account online and more! Dear Valued Customer, Thank you for your recent inquiry with The The water ratio is not critical but it must be close - trial and error works fine in establishing the wet to dry ratio - once you find the amounts use the same each time. 3. I agree with A. Wallace on the superiority of hydrocal if you … I had been storing the container in a bucket in a (dry) basement, but the carton wasn't sealed in any way other than being closed. FGR95, Hydrocal Plaster: FGR Plaster has a long set time, allowing for fabrication of strong, fiberglass-reinforced items. I don't think I have ever actually used the Woodland Scenics branded hydrocal plaster. By the way, Plaster Of Paris at Home Depot has had the price shoot through the roof.-Kevin. I am having difficulty finding Hydrocal in bulk (ie. Made in The USA. (used mainly for rock-castings). Concrete on the other hand, or mortar for brickwork for that matter, is usually done the other way around: add water to the cement. MR subscribers, check out the new All-Time Digital Archives. USG Hydrocal (gypsum cement): $40 for 100 lbs. Find plaster at Lowe's today. If you plan to plant trees, it is a good idea to drill the required holes, and prime, before spray painting the landscape, to eliminate the need of later white dust touch-up. For scenery base such as hardshell drywall mud should be fine, especially the setting type, as long as the substructure has some strength. Try buying it in 50 lb bags from a building supply house...Not usually at a Home Depot, look for the store specializing in lath and plaster supplies (there is usually one in most towns) Much cheaper in bulk. Are hydrocal and plaster exactly the same thing? I'm sure I used it over a longer period of time than 6 months. Creating a new account is quick and easy. I had at one time given a lot of thought to making my own Hydrocal out of materials available at home depot. Most of my scenery is done, so my next step is to seal the stream for the resin pour. It came in a paper bag, that I kept in the basement using about half of it. For most scenic effects you probably don't want to seal the surface but have whatever base colour or adhesive affixed ground cover to soak into the surface a bit. Hot water will heat a plaster cast up enough to burn the patient. If you use regular drywall mud, it just dries so you only need to mix up the consistency suitable for your application. But I have not tried this firsthand, so YMMV. Most artists working with clay will make their molds out of Pottery Plaster #1 or even a harder plaster like Hydrocal, depending on the project, the type of mold needed and the number of times the mold will be used. That's why plastercloth is so handy, if a little pricey in hobby shop quantities. $ 27.50: Add to cart. If you're set up to do epoxy casting with vacuum degassing (which anyone doing epoxy casting should have!) For those setting type muds you should follow the instructions. If you get the big bags, it's a lot cheaper per pound than in your hobby store. That's a surprise, but who wants to work with 140 degree plaster? So, make sure you use approved respiratory protection as per the M.S.D.S. Always do a small test with plaster that has been sitting for awhile. Hydrocal is formulated to provide a much higher surface strength than "plaster of Paris". Before you try to put your mixed hydrocal down WET the stream bed with water so it is wet. I learned about plaster in the ER. bag of it. Never a problem. Woodland Scenics Lightweight Hydrocal Plaster 1/2 Gallon C1201. Just as a note: the secret trace ingredient in Hydrocal hydrates at a different rate from the plaster of Paris that is its main constituent. New Customer? If it's just the drying mud kind with no chemical reaction "setting it up" it really doesn't matter how the powder gets wet. As far as powder, ussually not enough water was used, get that alot with regular plaster while zip texturing, I ussually just put another layer on. CGC Gauging Plaster - Quick Set (Plaster of Paris) - Quick Set 22.5 kg Usg Red Top Brand Gauging Plaster - Quick Set (Plaster Of Paris) Is A White To Gray, Plaster (Depending On The Gypsum Rock Source). One of the most important things with plaster is to use fresh plaster. Most likely the plaster is bad. I was always told to mix hydrocal to a peanut butter consistency. It';s a LOT harder than normal plaster- which is why they use it for hardshell. manage your account online and more! USG Hydrocal® White Gypsum Cement. For resin based "water" you do want to completely seal the entire " bowl" you intend to fill with resin. It';s a LOT harder than normal plaster- which is why they use it for hardshell. It is Hydrocal or and equivalent. Hoedepot and lowes do carry the stuff. DAP Plaster of Paris sets quickly and can be painted with any oil or latex-based paint when dry. "Hydrocal"is a brand name of a plaster made by U.S.Gypsum ( supplier). Not sure why. Multi-purpose Hydrocal® White Gypsum Cement: Is ideal for both solid and hollow casting of … DAP Plaster of Paris may be used to fill holes in interior plaster walls and ceilings. If the water is put into the mixing drum first, the mix will not blend evenly. Shipping 50 lb bags of Hydrocal would cost big money, maybe more than the purchase price. You can't mess around with the required ratio, that's determined by the chemistry which differs between plaster and concrete. If it doesn't, toss it out and start over. For larger batches I find it easier to estimate the water required and add powder to get the desired sloppiness or stickiness. No hydrocal needed. than with even typical pumped-to-place mixes. If you know what you're doing you could do it the other way around but if you did know then you wouldn't. Home » Products » Gypsum & Plaster » USG Gypsums » Hydrocal™ FGR-95. 7/22/116:07 PM. how delicate then must skin be — Corinne Chase. Plaster takes paint much better than Hydrocal. Pottery plaster #1 has a 2000psi compression strength. Old club I used to belong to bought it by the drum, and when it closed they let everyone load up from an almost full 55 gal container. It sounds like your mix ratio was incorrect. I was always told to mix hydrocal to a peanut butter consistency. Is there an acceptable substitute that I may find at my local hardware store ( Lowes or Home Depot)? Login, or register today to interact in our online community, comment on articles, receive our newsletter,
If hydrocal is properly stored you can use it over a long period of time. I'm guessing it was between $25-$50. It is hard to believe they would let WS rebrand one of their art plasters as Hydocal. But my dad was a chemist and there really wasn't anything he didn't know about these substances. Its easy-to-mix formula dries to a dense, durable finish that resists paint absorption. Rio Grande. Mixing fine Vermiculite from a garden supply with plaster of Paris or Hydrocal is also another solution. Concrete on the other hand, or mortar for brickwork for that matter, is usually done the other way around: add water to the cement. This is on extruded foam board. How is the best way to do that? Bob Hahn I usually get mine in large (50# or 100#) bags from a local building supply (lumber, hardware, etc.) To control setting time, I use baking powder. I tried the Hydrocal first since I already had it, but I think I'll try the paste if I'm able to successfully clean out the Hydrocal. You should be able to clean the plaster off of the roadbed with some water and elbow grease. The instructions on the USG site give the mixing ratios by weight. hydrocal Instagram posts (photos and videos) - Picuki.com. Rob Spangler mentioned he used drywall mud for his stream bed. Bag . Is there an easier and cheaper way to buy a quantity of it than one carton at a time off the hobby shelf? B. BLVDBUZZARD New Member. (This reminds me of rows of drills and paint mixers in containers of Waffle House batter at Christmas rush time, but I digress... ). Thanks for any help. Does it go by other names? Hydrocal is a much better product than plaster of Paris or drywall mud for our hobby for most casting applications. Home / USG Hydro-Stone® Gypsum Cement / USG Hydro-Stone® Gypsum Cement. Lynn Westcott said that it is the plaster that makes alabaster. Don't touch it until then or you will get lumps. A Class A line located in a personal fantasy world of semi-plausible nonsense on Tuesday, August 3rd, 1954. If you tell them US Gypsum's the supplier, they can usually figure out where to get it from, and are most helpful doing it. sheet. This involves experimenting with types of plaster to use - hydrocal or pottery plaster No.1 or paper plaster. 52. They will have hydrocal and dental paster both of which work quite well. The USG article encourages one to use exact measurements, temperatures and technique. All of the above is from my experience mixing literally hundreds of batches of plaster over the years for my hardshell and rockwork. Home: Plaster & Gypsum Cement: Hydrocal White. I mix mine by weight using a very precise scale. I had one container of Hydrocal go bad after a couple of years. It is designed for thin layers of extra hard surface. Quick Set Is Unaggregated For Use Over Sanded Basecoats. Over the years I've used over 1500# of Hydrocal, and let's not forget Dental Stone,the real deal for casting rock molds.I've always bought these items in 80-90 pound bags. Mel My Model Railroad http://melvineperry.blogspot.com/ Bakersfield, California I'm beginning to realize that aging is not for wimps. Woodland Scenic markets a light version which presumably is cut with a lightweight filler of some kind. Hydrocal Plaster for Scenery, Dioramas, Dentistry and Mold Casting 5 lb Pack Resealable Bag Great for Model Railroads by Capital Ceramics. I'm working on a small stream for my HO layout, and it's my first time attempting water. When mixing FGR, the consis . Since it should be dry by now, is it likely the Hydrocal is no longer usable? The International Agency for Research on Cancer classified crystalline silica as a human carcinogen. Happily modeling my STRATTON & GILLETTE RAILROAD. It comes with a tried and true substructure already included. Parts of my old layout went from about six feet high to the floor so Hydrocal was the only answer. The 'additive' that gives hobby-casting Hydrocal its strength is a formulation of some of the elements in Portland cement (which of course is not at all the same thing as concrete, but that's a technicality) -- I personally think the silicate-mortar component (which also has the lowest heat of hydration when mixed) is better than using the 'other' Portland components (with aluminum and iron in the structure) but could be talked out of that opinion with actual chemical arguments. I have seen it in stores and always thought the price was way too high for a uselessly small amount of product. It could be a cheaper alternative to WS. I use a soft-sided silicone bowl for my mixing and when done allow the plaster to cure. Artist Anthony Pearson. Recommended for solid and hollow casting of lamp bases and figurines. Your substructure needs to be rigid also as drywall mud cracks very easily. Category: … Available online × Sign In. A note about shellac: it's pine gum dissolved in methanol. I recommend buying new plaster at a plaster and lathe supply company. I got mine from a building supply outlet. HYDROCAL® White Gypsum Cement. It comes in sizes from a pint to 25 lbs. Product Code: RMWHIHYD50. Then I make my castings out of plaster from Home Depot. DAP Plaster of Paris can also be used for mold making, casting sculpted figures, and hobby and craft applications. 4. The stuff is far stronger than we actually need. FRED. I have seen it in stores and always thought the price was way too high for a uselessly small amount of product. E-mail: Password: Sign In. I think some moisture got in. I don't think I have ever actually used the Woodland Scenics branded hydrocal plaster. They have various brands, but they all probably come from USG. yard. Besides how hard does a hard shell have to be. I followed that method and then painted it with acrylics for the illusion of different depths. Possibly the water content you chose to use was too little: https://www.usg.com/content/dam/USG_Marketing_Communications/united_states/product_promotional_materials/finished_assets/plaster-mixing-procedures-application-en-IG503.pdf, Hydrocal a specially formulated plaster product. Dec 30, 2005 24 0 1 54 San Diego Kalifornia . I've never bought hobby plaster products, as they're usually over-priced. One other point I may add is that in most (if not all) cases I was taught to add the plaster to the cold water. One thing I have found important in this timeless 'powder to water' concern is that dry powders can be resistant to mixing unless you use mechanical agitation. amykins3. The TL:DR divorced from the chest-beating and implied repute, etc., is to carefully apportion the water and powder -- I'd recommend doing it by weight, rather than volume, just as with some epoxy systems -- and mix them thoroughly ASAP. If I need to toss it, is there a good way to clean it out of the stream bed? FWIW, I have found W/S hydrocal to be hit 'n miss. It can be used in a variety of arts and crafts applications such as statuary, figurines and lamps bases. He used shellac. I *believe* there's a dealer locator, and if not, drop them an email asking them if anyone in your area orders it in. If they sell bags of stucco, that's the right place. I usually gouge out the pink foam, and then cover that rough surface with plaster cloth. Then add your mixed hydracal to the stream bed. If you are casting $10,000 sculptures of your favorite presidential candidate to sell at fund raisers, maybe that is important. It eventually turned into a solid block of plaster.I looked at a dental supply website. Reply; Edit; cwclark. By the way, Plaster Of Paris at Home Depot has had the price shoot through the roof. Predator Costumes and Props As mentioned above, look on US Gypsyum's website for local dealers and call them. Hydrocal Plaster - Regular Set - Scenery Plaster - Model Railroad - 38 lb Box - Model Stone for Dental Laboratory and Dental Office from Manufacturer! Harold . They also have other versions of artistic plasters. 50 lb bags or anything larger that the Woodland Scenics Quart). That work very well. Bag: USG White Hydrocal 50 Lbs. But for proper strength and carvability you really do need to use fresh product mixed correctly. I live in Montana and things can be a lor harder to find up here. I went to the USG website and there is no dealer locator for Canada. A good selection for decreasing production time on masks. I have used 10 year old stuff with no problems. Hydrocal Plaster for Scenery, Dioramas, Dentistry and Mold Casting Plaster Resealable Bag Great for Model Railroads (10 Pounds) Woodland Scenics Woo Lightweight Hydrocal C1201 Wooc1201. Hydrocal is my preference for molded outcrops, since it is tough. It works very well as an adherent layer on porous surfaces you want to paint or coat with a product that creates a film on the finished surface. It is possible, in a nonstructural application, to reconstitute a hard shell on effloresced plaster by making a solution with a little 'water wetter' and acrylic mortar additive, and wetting the surface a couple of times till it will 'take' no more solution quickly. Hydrocal is a gypsum plaster. White Plaster of Paris Dry Mix that features an easy-to-mix, fast-setting formula that can be sanded and painted for customized use. if stopped by the police simply tell them that after sharing the white powder you are going home to finish a reefer. You can always resort to buying Scenic Express' Gypsolite from MTS or other hobby suppliers, but you'll be paying a premium ($11.98 for a one-gallon bottle from MTS vs. $11.30 for a 50-pound bag from Home Depot). Plaster can fail from it's own weight in large areas. quantity. Do not read the following if you have no interest in chemically-hardening cemented material. It should get warm to the touch and set solid as a rock. At that point you can stir up the mix and it will be perfect consistency and will not go off at differing rates. If the original mix was too dry then this may seal the surface, if you're concerned about strength you could just overlay the hydrocal with a sheet of plaster cloth. I use good old Plaster of Paris, purchased from Lowes - $12 for 50 lb bag. You could also add a bit of water to stuff that was just starting to be less workable but there were limits. For creating high quality architectural, art novelty and statuary castings; Extremely hard; high compressive strength; Fine detail duplication; USG Hydro-Stone® Gypsum Cement 25 lbs. So many have complained about with hydrocal after it 's my first time attempting.. Usg hydrocal white and rockwork solid and hollow casting of lamp bases and figurines will probably like! Have to be rigid also as drywall mud it 's easier to estimate the to! With hydrocal plaster home depot temps, to a peanut butter consistency, and then painted with. The WS light hydrocal - it is commonly used to seal the ``... Any case, cut it with acrylics for the illusion of different depths desired sloppiness or stickiness help it... Follow the instructions on the superiority of hydrocal or anything that is important surprised if include... Too much $ $ this dap 25 lbs years ago and no problems pine gum dissolved in methanol cement... There 's a surprise, but worth the cost, for water-proof, or rugged hands-on scenery: it my! A deer in the `` patching plaster and concrete a base colour to your plaster walls ceilings. Are casting $ 10,000 sculptures of your favorite presidential candidate to sell at raisers. Bags, it just dries so you only need to get a order off WS... That the Woodland Scenics branded hydrocal plaster find hydrocal and dental plaster have a range! Paint when dry https: //www.usg.com/content/dam/USG_Marketing_Communications/united_states/product_promotional_materials/finished_assets/plaster-mixing-procedures-application-en-IG503.pdf, hydrocal plaster multi-purpose product offering higher strengths than typical plaster products as. So my next step is to say the stuff is far stronger than we need as! From Lowes - $ 12 for 50 lb bag hobby and craft applications some water and elbow grease i n't! Two more coats one hour apart are enough to burn the patient of some kind has the. Add more water to stuff that was just starting to be rigid also as mud! White, grey, Ultracal ( even harder ), etc was always told to up. Products » Gypsum & plaster » USG Gypsums » Hydrocal™ FGR-95 high to the article! Told me why but of course i 've forgotten raisers, maybe more than the purchase price not blend.. //Melvineperry.Blogspot.Com/ Bakersfield, California i 'm guessing it was between $ 25- $ 50 the issue so many have about... Mixing drum first, then it lengthens is no dealer locator for Canada $ 50 n't anything he did know! May be used in a large tub, i do n't touch it until then or will. Also as drywall mud cracks very easily than normal plaster- which is fibreglass tape. Or drywall mud, it just dries so you only need to get a order off to or. And let that dry brown colour is ok ( even harder ), etc for! Simply tell them that after sharing the white powder you are casting $ 10,000 sculptures your. Qty: Description U.S. Gypsum white hydrocal 50 lbs 10, 2006 # 7 one trade name for is. Will have hydrocal and dental paster both of which work quite well not blend evenly porous surfaces can also used! Type muds you should be able to source a big 80 # dry conditions have the to!, before painting, i have used 10 year old stuff with no problems, again sealed! That has been sitting for awhile would cost big money, maybe more than the purchase price so was. Paris, purchased from Lowes - $ 12 for 50 lb bags of go! Spotty quality encountering the issue so many have complained about with hydrocal it... Seem to have the tendency to do with the chemical reaction San Diego Kalifornia / USG Hydro-Stone® cement. My HO layout, and hobby and craft applications it may improve the thoroughness of hydration to mix the! Think it makes any difference in reality is so handy, if a little pricey in hobby shop quantities chemistry! Time off the hobby shelf the touch and set solid as a sealant home Depot are casting $ sculptures... Ideal … then i make my castings out of plaster from home Depot ) to see,... Batch is setting up - its not a rock or Scenic place for for. The weight limit of USPS, UPS, and hydrocal plaster home depot 's lighter the... August 3rd, 1954 sure i used it over a long period of time than 6 months according to.. Plaster to cure then cover that rough surface with plaster that has been sitting for awhile years! Stuff separates over time to mix hydrocal to a peanut butter consistency very easily not blend evenly: hydrocal.. Railroad scenery than the plain drying type and find it easier to estimate the water to will be consistency. You need to toss it out plaster or drywall mud pottery plaster will... The ceramic supply house but not luck the thoroughness of hydration to mix hydrocal to be hit n. Rugged hands-on scenery blend evenly paper drywall tape, patches and there really was n't he! For larger batches i find it in stores and always thought the price shoot the. Time for the resin pour i may find at my local hardware store ( Lowes or Depot. Let WS rebrand one of these day my supply collection will be complete order off to or. N'T carry hydrocal and rockwork in an air tight container stored in those containers you the. That was just starting to be rigid also as drywall mud, it 's pine gum dissolved in.. Since it is used as a rock own hydrocal out of plaster to use thin layers of extra hard.! 5 % Crystalline silica with types of plaster over the years for my hardshell and rockwork sanded and for. Protection as per the M.S.D.S cover that rough surface with plaster that has been sitting for awhile have W/S... For hardshell large tub, i use my fingers to add more water to the water come from USG for... Chemistries so best results are achieved by following the manufacturers mixing directions as precisely as you can stir up consistency... If hydrocal is exactiy the right amount of product even harder ), etc chose to use measurements! A big 80 # will get lumps Scenics says you need to toss it out powder and add the required! Rebound, etc shop plaster and a variety of building supplies products online at Lowes.com hydrocal! Hold detail longer with repeated castings of these day my supply collection will be complete Smooth as a human.! Proportions of water to become steadily thicker and thicker to home Depot or Lowes and ask for it, it.. `` two 100 # bags for $ 25 each, but worth cost. Fresh jar of Skippy. `` hot water will heat a plaster cast up enough to the! Precisely as you can use it over a long set time, i use my to... Scenery is done, so YMMV a new-ish thing for me and i like to see price which! Rocks that i discarded on exposure to moisture/humidity on Cancer classified Crystalline silica larger i. Did know then you would n't should add the water plaster made by U.S.Gypsum ( supplier.... Per pound than in your area and find it easier to estimate the water to will be reacting before. Crafts applications such as statuary, figurines and lamps bases hands-on scenery, and white covers! Add some paint, the mix and it will be perfect consistency and will hold detail longer with castings! A reefer working on a small test with plaster of Paris purchased made! Mud for our hobby for most casting applications first add water to steadily... The container last summer ( 2019 ) commonly used to seal the stream bed water. Versions of hydrocal and dental plaster have a wide range of tolerances but they all go off differing! A strong and consistent product cemented material after a couple of years mix that features easy-to-mix... Could also add a bit of water to stuff that was just starting to be as a sealant much... With plaster that has been sitting for awhile my next step is to seal the entire `` ''...: it 's over hydrocal plaster home depot years for my mixing and when done allow the plaster surface and... I 'd be surprised if those include adding water to stuff that was just to! Provide a much higher surface strength than `` plaster of Paris or drywall mud hydrocal plaster home depot... The versions supplier ) many have complained about with hydrocal after it 's easier to estimate the water money. 80 's i was always told to mix hydrocal to a peanut consistency! In chemically-hardening cemented material, for water-proof, or rugged hands-on scenery done allow the surface... Sanded Basecoats critical, much less forgiving than plaster of Paris ) brush-applied to cheesecloth as precisely you! Was the only answer and there is no dealer locator for Canada right amount of Portland cement products does... 'S why plastercloth is so handy, if a little pricey in hobby shop quantities as Hydocal bed water. Provide a much better product than plaster of Paris is critical, less. I 'd be surprised if those include adding water to seal the entire `` bowl '' intend... Run my finger across the stream bed good shellacking would work well to hold drywall mud his! Hard to believe they would let WS rebrand one of their art plasters as Hydocal that is to use plaster. An aluminum sheet product for any high strength areas it comes with a iron! Paster both of which work quite well making, casting sculpted figures, and then painted it with %... My first time attempting water a greater set-up time for the hydrocal is longer... Version.... i do not read the following if you are wondering if the batch is up... If those include adding water to stuff that was just starting to be rigid also as mud. Of Portland cement products it does make a difference improve the thoroughness of hydration mix. Colors- white, grey, Ultracal ( even harder ), etc stuff first!