GFRC AR Glass Scrim Fabric Mat

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Mapleton, UT 84664
Phone: 801-806-0529
Email: sales@expressions-ltd.com

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Home > CONCRETE > Concrete Mix | Overlays > GFRC > GFRC-SCRIM

GFRC AR Glass Scrim Fabric Mat
SKU: GFRC-SCRIM

Retail price: $50.00
Our Price:$35.95 You Save: $14.05 (28%)

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This Product is not eligible for use with any Store Promos or Discounts.

Product Detail:

Alkali resistant glass fibers, woven into a 'net'. Scrims are oriented continuous fiber fabrics. The continuous fiber is usually yarn or roving. The continuous strands are not inter-woven, but are laid over each other at ninety degree orientation and then a binder is applied which holds the fabric structure in place.
Highest zirconia content fiber available. Zirconia is what makes the glass fiber alkali resistant. The higher the zirconia content the better the resistance to alkali attack. This AR Scrim also has excellent acid resistance.
Sold in 25 linear feet (10x10 size only), or by the roll of 300 linear feet. Width: 36". Each roll is 900 square feet of scrim.
10x10 is $294.95 per roll ($1.02 per linear foot).
5x5 is $384.95 per roll ($1.28 per linear foot).
Scrim can be placed in GFRC and wet-cast concrete to greatly increase the flexible strength.
Ideal way to reinforce around difficult mold shapes, such as sink molds and forms.

Product Specifications:

Coverage: 25 linear feet sections are 36" wide: 75 sq. ft. total. Each roll is 300 linear feet, 36" wide: 900 sq. ft. total.
10x10 denotes 10mm (3/8 inch) spacing between strands. 5x5 denotes 5mm (1/4 inch) between strands.
When laying into concrete or GFRC, keep Scrim 1/2" away from the finished top of the concrete to avoid ghosting the fabric image.
Standard use: Place one sheet of fabric in the middle of the concrete/GFRC, and another sheet as the last step, then lightly roll or trowel the scrim into the cement.

Shipping Information:

Usually ships within 1-2 business days.

Sample Photos:

GFRC Basics:

GFRC (Glass Fiber Reinforced Concrete) is lighter, stronger, faster, and cheaper than most typical concrete mixes.
GFRC pieces can be de-molded after 24 hours.
A Typical GFRC mix 1:1 ratio means One 90 lb. sack of cement and One 100 lb. bag of sand.
For many countertop type applications, smaller batches are sufficient, such as 1/4 this amount.
The Expressions-LTD Basic GFRC Mix below works great for GFRC countertops, sinks, and furniture pieces.

Expressions-LTD Basic GFRC Mix:

Equipment Needed: 5 Gallon Bucket. Heavy Duty Electric Mixer and Paddle Mixing Blade. Scale. Measuring Cup. Hopper Sprayer and Air Compressor. Compaction Roller(s).

FACE COAT:

Add 6.5 lbs. water (about 3 quarts) to a clean 5 gallon bucket.
Add 2.5 lbs. of Polyplex Curing Aid.
Add 1 Fl. Ounce of SP 7000 Super Plasticizer.
Mix in 23.5 lbs. of #30 Silica Sand (#30 is the sand size, and available at your local hardware store).
Mix in 17.5 lbs. Portland Cement (white or gray, available at your local hardware store)
Mix in 6 lbs. Vitro Minerals Pozzolans (VCAS).
Optional: Mix in any Integral Color, if desired.
Add extra water if needed, in small amounts, until mix is creamy.
Let mix 'set' (usually about 5 minutes) and then remix briefly.
Spray Face Coat of this mix over the mold/form work using a Hopper Sprayer such as the MK3 GFRC Sprayer. Face coat should be 1/8" - 3/16" thick.
Allow face coat to sit long enough to stiffen, but remain moist (Time varies, usually 30-45 minutes).

BACKER LAYERS:

Mix another batch, same formula as above.
Slowly mix in 1.6 lbs. of 3/4" Length AR Glass Fibers.
Hand lay the fiber-rich backer layer mix over the surface of the mold/form at a 3/8" - 1/2" thickness.
Use Compaction Rollers to even out this layer, condense, and remove any air pockets.
Place a second backer layer, again 3/8" - 1/2" thickness, and compact with rollers.
Finished piece should be 3/4" - 1" thick at a minimum.
Additional layers can be added, or a slightly wetter mix can be used last to 'top off' the mold form, and level out the concrete.

EXTRA REINFORCING:

Extra Reinforcing: Fiberglass Scrim Fabric can be placed between GFRC Backer layers.
Fiberglass Scrim will help increase overall strength and flexibility. Ideal for reinforcing around integral concrete sinks.
Try to keep Scrim 1/2" away from the Face Coat, to avoid ghosting (faint lines showing an image of something buried in the concrete).
A second layer of Scrim can be laid down over the final coat of GFRC, and lightly rolled down into the cement surface.

COVERAGE, WEIGHT, and COSTS:

Face Coat Batch: Covers approx. 80 sq. ft. at 1/8" thickness.
Backer Layer Batch: Covers approx. 30 sq. ft. at 3/8" thickness.
Finished GFRC Piece Weight: At 3/4" thickness: 8 lbs per sq. ft. At 1" thickness: 10.5 lbs per sq. ft.
Material Cost Approximates: At 3/4" thickness: @$1.99 per sq. ft. At 1" thickness: @$2.65 per sq. ft.

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